// Code generated from gen/ARM64.rules; DO NOT EDIT. // generated with: cd gen; go run *.go package ssa import "fmt" import "math" import "cmd/internal/obj" import "cmd/internal/objabi" import "cmd/compile/internal/types" var _ = fmt.Println // in case not otherwise used var _ = math.MinInt8 // in case not otherwise used var _ = obj.ANOP // in case not otherwise used var _ = objabi.GOROOT // in case not otherwise used var _ = types.TypeMem // in case not otherwise used func rewriteValueARM64(v *Value) bool { switch v.Op { case OpARM64ADD: return rewriteValueARM64_OpARM64ADD_0(v) || rewriteValueARM64_OpARM64ADD_10(v) || rewriteValueARM64_OpARM64ADD_20(v) case OpARM64ADDconst: return rewriteValueARM64_OpARM64ADDconst_0(v) case OpARM64ADDshiftLL: return rewriteValueARM64_OpARM64ADDshiftLL_0(v) case OpARM64ADDshiftRA: return rewriteValueARM64_OpARM64ADDshiftRA_0(v) case OpARM64ADDshiftRL: return rewriteValueARM64_OpARM64ADDshiftRL_0(v) case OpARM64AND: return rewriteValueARM64_OpARM64AND_0(v) || rewriteValueARM64_OpARM64AND_10(v) case OpARM64ANDconst: return rewriteValueARM64_OpARM64ANDconst_0(v) case OpARM64ANDshiftLL: return rewriteValueARM64_OpARM64ANDshiftLL_0(v) case OpARM64ANDshiftRA: return rewriteValueARM64_OpARM64ANDshiftRA_0(v) case OpARM64ANDshiftRL: return rewriteValueARM64_OpARM64ANDshiftRL_0(v) case OpARM64BIC: return rewriteValueARM64_OpARM64BIC_0(v) case OpARM64BICshiftLL: return rewriteValueARM64_OpARM64BICshiftLL_0(v) case OpARM64BICshiftRA: return rewriteValueARM64_OpARM64BICshiftRA_0(v) case OpARM64BICshiftRL: return rewriteValueARM64_OpARM64BICshiftRL_0(v) case OpARM64CMN: return rewriteValueARM64_OpARM64CMN_0(v) case OpARM64CMNW: return rewriteValueARM64_OpARM64CMNW_0(v) case OpARM64CMNWconst: return rewriteValueARM64_OpARM64CMNWconst_0(v) case OpARM64CMNconst: return rewriteValueARM64_OpARM64CMNconst_0(v) case OpARM64CMNshiftLL: return rewriteValueARM64_OpARM64CMNshiftLL_0(v) case OpARM64CMNshiftRA: return rewriteValueARM64_OpARM64CMNshiftRA_0(v) case OpARM64CMNshiftRL: return rewriteValueARM64_OpARM64CMNshiftRL_0(v) case OpARM64CMP: return rewriteValueARM64_OpARM64CMP_0(v) case OpARM64CMPW: return rewriteValueARM64_OpARM64CMPW_0(v) case OpARM64CMPWconst: return rewriteValueARM64_OpARM64CMPWconst_0(v) case OpARM64CMPconst: return rewriteValueARM64_OpARM64CMPconst_0(v) case OpARM64CMPshiftLL: return rewriteValueARM64_OpARM64CMPshiftLL_0(v) case OpARM64CMPshiftRA: return rewriteValueARM64_OpARM64CMPshiftRA_0(v) case OpARM64CMPshiftRL: return rewriteValueARM64_OpARM64CMPshiftRL_0(v) case OpARM64CSEL: return rewriteValueARM64_OpARM64CSEL_0(v) case OpARM64CSEL0: return rewriteValueARM64_OpARM64CSEL0_0(v) case OpARM64DIV: return rewriteValueARM64_OpARM64DIV_0(v) case OpARM64DIVW: return rewriteValueARM64_OpARM64DIVW_0(v) case OpARM64EON: return rewriteValueARM64_OpARM64EON_0(v) case OpARM64EONshiftLL: return rewriteValueARM64_OpARM64EONshiftLL_0(v) case OpARM64EONshiftRA: return rewriteValueARM64_OpARM64EONshiftRA_0(v) case OpARM64EONshiftRL: return rewriteValueARM64_OpARM64EONshiftRL_0(v) case OpARM64Equal: return rewriteValueARM64_OpARM64Equal_0(v) case OpARM64FADDD: return rewriteValueARM64_OpARM64FADDD_0(v) case OpARM64FADDS: return rewriteValueARM64_OpARM64FADDS_0(v) case OpARM64FMOVDfpgp: return rewriteValueARM64_OpARM64FMOVDfpgp_0(v) case OpARM64FMOVDgpfp: return rewriteValueARM64_OpARM64FMOVDgpfp_0(v) case OpARM64FMOVDload: return rewriteValueARM64_OpARM64FMOVDload_0(v) case OpARM64FMOVDloadidx: return rewriteValueARM64_OpARM64FMOVDloadidx_0(v) case OpARM64FMOVDstore: return rewriteValueARM64_OpARM64FMOVDstore_0(v) case OpARM64FMOVDstoreidx: return rewriteValueARM64_OpARM64FMOVDstoreidx_0(v) case OpARM64FMOVSload: return rewriteValueARM64_OpARM64FMOVSload_0(v) case OpARM64FMOVSloadidx: return rewriteValueARM64_OpARM64FMOVSloadidx_0(v) case OpARM64FMOVSstore: return rewriteValueARM64_OpARM64FMOVSstore_0(v) case OpARM64FMOVSstoreidx: return rewriteValueARM64_OpARM64FMOVSstoreidx_0(v) case OpARM64FMULD: return rewriteValueARM64_OpARM64FMULD_0(v) case OpARM64FMULS: return rewriteValueARM64_OpARM64FMULS_0(v) case OpARM64FNEGD: return rewriteValueARM64_OpARM64FNEGD_0(v) case OpARM64FNEGS: return rewriteValueARM64_OpARM64FNEGS_0(v) case OpARM64FNMULD: return rewriteValueARM64_OpARM64FNMULD_0(v) case OpARM64FNMULS: return rewriteValueARM64_OpARM64FNMULS_0(v) case OpARM64FSUBD: return rewriteValueARM64_OpARM64FSUBD_0(v) case OpARM64FSUBS: return rewriteValueARM64_OpARM64FSUBS_0(v) case OpARM64GreaterEqual: return rewriteValueARM64_OpARM64GreaterEqual_0(v) case OpARM64GreaterEqualU: return rewriteValueARM64_OpARM64GreaterEqualU_0(v) case OpARM64GreaterThan: return rewriteValueARM64_OpARM64GreaterThan_0(v) case OpARM64GreaterThanU: return rewriteValueARM64_OpARM64GreaterThanU_0(v) case OpARM64LessEqual: return rewriteValueARM64_OpARM64LessEqual_0(v) case OpARM64LessEqualU: return rewriteValueARM64_OpARM64LessEqualU_0(v) case OpARM64LessThan: return rewriteValueARM64_OpARM64LessThan_0(v) case OpARM64LessThanU: return rewriteValueARM64_OpARM64LessThanU_0(v) case OpARM64MADD: return rewriteValueARM64_OpARM64MADD_0(v) || rewriteValueARM64_OpARM64MADD_10(v) || rewriteValueARM64_OpARM64MADD_20(v) case OpARM64MADDW: return rewriteValueARM64_OpARM64MADDW_0(v) || rewriteValueARM64_OpARM64MADDW_10(v) || rewriteValueARM64_OpARM64MADDW_20(v) case OpARM64MNEG: return rewriteValueARM64_OpARM64MNEG_0(v) || rewriteValueARM64_OpARM64MNEG_10(v) || rewriteValueARM64_OpARM64MNEG_20(v) case OpARM64MNEGW: return rewriteValueARM64_OpARM64MNEGW_0(v) || rewriteValueARM64_OpARM64MNEGW_10(v) || rewriteValueARM64_OpARM64MNEGW_20(v) case OpARM64MOD: return rewriteValueARM64_OpARM64MOD_0(v) case OpARM64MODW: return rewriteValueARM64_OpARM64MODW_0(v) case OpARM64MOVBUload: return rewriteValueARM64_OpARM64MOVBUload_0(v) case OpARM64MOVBUloadidx: return rewriteValueARM64_OpARM64MOVBUloadidx_0(v) case OpARM64MOVBUreg: return rewriteValueARM64_OpARM64MOVBUreg_0(v) case OpARM64MOVBload: return rewriteValueARM64_OpARM64MOVBload_0(v) case OpARM64MOVBloadidx: return rewriteValueARM64_OpARM64MOVBloadidx_0(v) case OpARM64MOVBreg: return rewriteValueARM64_OpARM64MOVBreg_0(v) case OpARM64MOVBstore: return rewriteValueARM64_OpARM64MOVBstore_0(v) || rewriteValueARM64_OpARM64MOVBstore_10(v) || rewriteValueARM64_OpARM64MOVBstore_20(v) || rewriteValueARM64_OpARM64MOVBstore_30(v) || rewriteValueARM64_OpARM64MOVBstore_40(v) case OpARM64MOVBstoreidx: return rewriteValueARM64_OpARM64MOVBstoreidx_0(v) || rewriteValueARM64_OpARM64MOVBstoreidx_10(v) case OpARM64MOVBstorezero: return rewriteValueARM64_OpARM64MOVBstorezero_0(v) case OpARM64MOVBstorezeroidx: return rewriteValueARM64_OpARM64MOVBstorezeroidx_0(v) case OpARM64MOVDload: return rewriteValueARM64_OpARM64MOVDload_0(v) case OpARM64MOVDloadidx: return rewriteValueARM64_OpARM64MOVDloadidx_0(v) case OpARM64MOVDloadidx8: return rewriteValueARM64_OpARM64MOVDloadidx8_0(v) case OpARM64MOVDreg: return rewriteValueARM64_OpARM64MOVDreg_0(v) case OpARM64MOVDstore: return rewriteValueARM64_OpARM64MOVDstore_0(v) case OpARM64MOVDstoreidx: return rewriteValueARM64_OpARM64MOVDstoreidx_0(v) case OpARM64MOVDstoreidx8: return rewriteValueARM64_OpARM64MOVDstoreidx8_0(v) case OpARM64MOVDstorezero: return rewriteValueARM64_OpARM64MOVDstorezero_0(v) case OpARM64MOVDstorezeroidx: return rewriteValueARM64_OpARM64MOVDstorezeroidx_0(v) case OpARM64MOVDstorezeroidx8: return rewriteValueARM64_OpARM64MOVDstorezeroidx8_0(v) case OpARM64MOVHUload: return rewriteValueARM64_OpARM64MOVHUload_0(v) case OpARM64MOVHUloadidx: return rewriteValueARM64_OpARM64MOVHUloadidx_0(v) case OpARM64MOVHUloadidx2: return rewriteValueARM64_OpARM64MOVHUloadidx2_0(v) case OpARM64MOVHUreg: return rewriteValueARM64_OpARM64MOVHUreg_0(v) || rewriteValueARM64_OpARM64MOVHUreg_10(v) case OpARM64MOVHload: return rewriteValueARM64_OpARM64MOVHload_0(v) case OpARM64MOVHloadidx: return rewriteValueARM64_OpARM64MOVHloadidx_0(v) case OpARM64MOVHloadidx2: return rewriteValueARM64_OpARM64MOVHloadidx2_0(v) case OpARM64MOVHreg: return rewriteValueARM64_OpARM64MOVHreg_0(v) || rewriteValueARM64_OpARM64MOVHreg_10(v) case OpARM64MOVHstore: return rewriteValueARM64_OpARM64MOVHstore_0(v) || rewriteValueARM64_OpARM64MOVHstore_10(v) || rewriteValueARM64_OpARM64MOVHstore_20(v) case OpARM64MOVHstoreidx: return rewriteValueARM64_OpARM64MOVHstoreidx_0(v) || rewriteValueARM64_OpARM64MOVHstoreidx_10(v) case OpARM64MOVHstoreidx2: return rewriteValueARM64_OpARM64MOVHstoreidx2_0(v) case OpARM64MOVHstorezero: return rewriteValueARM64_OpARM64MOVHstorezero_0(v) case OpARM64MOVHstorezeroidx: return rewriteValueARM64_OpARM64MOVHstorezeroidx_0(v) case OpARM64MOVHstorezeroidx2: return rewriteValueARM64_OpARM64MOVHstorezeroidx2_0(v) case OpARM64MOVQstorezero: return rewriteValueARM64_OpARM64MOVQstorezero_0(v) case OpARM64MOVWUload: return rewriteValueARM64_OpARM64MOVWUload_0(v) case OpARM64MOVWUloadidx: return rewriteValueARM64_OpARM64MOVWUloadidx_0(v) case OpARM64MOVWUloadidx4: return rewriteValueARM64_OpARM64MOVWUloadidx4_0(v) case OpARM64MOVWUreg: return rewriteValueARM64_OpARM64MOVWUreg_0(v) || rewriteValueARM64_OpARM64MOVWUreg_10(v) case OpARM64MOVWload: return rewriteValueARM64_OpARM64MOVWload_0(v) case OpARM64MOVWloadidx: return rewriteValueARM64_OpARM64MOVWloadidx_0(v) case OpARM64MOVWloadidx4: return rewriteValueARM64_OpARM64MOVWloadidx4_0(v) case OpARM64MOVWreg: return rewriteValueARM64_OpARM64MOVWreg_0(v) || rewriteValueARM64_OpARM64MOVWreg_10(v) case OpARM64MOVWstore: return rewriteValueARM64_OpARM64MOVWstore_0(v) || rewriteValueARM64_OpARM64MOVWstore_10(v) case OpARM64MOVWstoreidx: return rewriteValueARM64_OpARM64MOVWstoreidx_0(v) case OpARM64MOVWstoreidx4: return rewriteValueARM64_OpARM64MOVWstoreidx4_0(v) case OpARM64MOVWstorezero: return rewriteValueARM64_OpARM64MOVWstorezero_0(v) case OpARM64MOVWstorezeroidx: return rewriteValueARM64_OpARM64MOVWstorezeroidx_0(v) case OpARM64MOVWstorezeroidx4: return rewriteValueARM64_OpARM64MOVWstorezeroidx4_0(v) case OpARM64MSUB: return rewriteValueARM64_OpARM64MSUB_0(v) || rewriteValueARM64_OpARM64MSUB_10(v) || rewriteValueARM64_OpARM64MSUB_20(v) case OpARM64MSUBW: return rewriteValueARM64_OpARM64MSUBW_0(v) || rewriteValueARM64_OpARM64MSUBW_10(v) || rewriteValueARM64_OpARM64MSUBW_20(v) case OpARM64MUL: return rewriteValueARM64_OpARM64MUL_0(v) || rewriteValueARM64_OpARM64MUL_10(v) || rewriteValueARM64_OpARM64MUL_20(v) case OpARM64MULW: return rewriteValueARM64_OpARM64MULW_0(v) || rewriteValueARM64_OpARM64MULW_10(v) || rewriteValueARM64_OpARM64MULW_20(v) case OpARM64MVN: return rewriteValueARM64_OpARM64MVN_0(v) case OpARM64MVNshiftLL: return rewriteValueARM64_OpARM64MVNshiftLL_0(v) case OpARM64MVNshiftRA: return rewriteValueARM64_OpARM64MVNshiftRA_0(v) case OpARM64MVNshiftRL: return rewriteValueARM64_OpARM64MVNshiftRL_0(v) case OpARM64NEG: return rewriteValueARM64_OpARM64NEG_0(v) case OpARM64NEGshiftLL: return rewriteValueARM64_OpARM64NEGshiftLL_0(v) case OpARM64NEGshiftRA: return rewriteValueARM64_OpARM64NEGshiftRA_0(v) case OpARM64NEGshiftRL: return rewriteValueARM64_OpARM64NEGshiftRL_0(v) case OpARM64NotEqual: return rewriteValueARM64_OpARM64NotEqual_0(v) case OpARM64OR: return rewriteValueARM64_OpARM64OR_0(v) || rewriteValueARM64_OpARM64OR_10(v) || rewriteValueARM64_OpARM64OR_20(v) || rewriteValueARM64_OpARM64OR_30(v) || rewriteValueARM64_OpARM64OR_40(v) case OpARM64ORN: return rewriteValueARM64_OpARM64ORN_0(v) case OpARM64ORNshiftLL: return rewriteValueARM64_OpARM64ORNshiftLL_0(v) case OpARM64ORNshiftRA: return rewriteValueARM64_OpARM64ORNshiftRA_0(v) case OpARM64ORNshiftRL: return rewriteValueARM64_OpARM64ORNshiftRL_0(v) case OpARM64ORconst: return rewriteValueARM64_OpARM64ORconst_0(v) case OpARM64ORshiftLL: return rewriteValueARM64_OpARM64ORshiftLL_0(v) || rewriteValueARM64_OpARM64ORshiftLL_10(v) || rewriteValueARM64_OpARM64ORshiftLL_20(v) case OpARM64ORshiftRA: return rewriteValueARM64_OpARM64ORshiftRA_0(v) case OpARM64ORshiftRL: return rewriteValueARM64_OpARM64ORshiftRL_0(v) case OpARM64RORWconst: return rewriteValueARM64_OpARM64RORWconst_0(v) case OpARM64RORconst: return rewriteValueARM64_OpARM64RORconst_0(v) case OpARM64SLL: return rewriteValueARM64_OpARM64SLL_0(v) case OpARM64SLLconst: return rewriteValueARM64_OpARM64SLLconst_0(v) case OpARM64SRA: return rewriteValueARM64_OpARM64SRA_0(v) case OpARM64SRAconst: return rewriteValueARM64_OpARM64SRAconst_0(v) case OpARM64SRL: return rewriteValueARM64_OpARM64SRL_0(v) case OpARM64SRLconst: return rewriteValueARM64_OpARM64SRLconst_0(v) || rewriteValueARM64_OpARM64SRLconst_10(v) case OpARM64STP: return rewriteValueARM64_OpARM64STP_0(v) case OpARM64SUB: return rewriteValueARM64_OpARM64SUB_0(v) || rewriteValueARM64_OpARM64SUB_10(v) case OpARM64SUBconst: return rewriteValueARM64_OpARM64SUBconst_0(v) case OpARM64SUBshiftLL: return rewriteValueARM64_OpARM64SUBshiftLL_0(v) case OpARM64SUBshiftRA: return rewriteValueARM64_OpARM64SUBshiftRA_0(v) case OpARM64SUBshiftRL: return rewriteValueARM64_OpARM64SUBshiftRL_0(v) case OpARM64TST: return rewriteValueARM64_OpARM64TST_0(v) case OpARM64TSTW: return rewriteValueARM64_OpARM64TSTW_0(v) case OpARM64TSTWconst: return rewriteValueARM64_OpARM64TSTWconst_0(v) case OpARM64TSTconst: return rewriteValueARM64_OpARM64TSTconst_0(v) case OpARM64TSTshiftLL: return rewriteValueARM64_OpARM64TSTshiftLL_0(v) case OpARM64TSTshiftRA: return rewriteValueARM64_OpARM64TSTshiftRA_0(v) case OpARM64TSTshiftRL: return rewriteValueARM64_OpARM64TSTshiftRL_0(v) case OpARM64UBFIZ: return rewriteValueARM64_OpARM64UBFIZ_0(v) case OpARM64UBFX: return rewriteValueARM64_OpARM64UBFX_0(v) case OpARM64UDIV: return rewriteValueARM64_OpARM64UDIV_0(v) case OpARM64UDIVW: return rewriteValueARM64_OpARM64UDIVW_0(v) case OpARM64UMOD: return rewriteValueARM64_OpARM64UMOD_0(v) case OpARM64UMODW: return rewriteValueARM64_OpARM64UMODW_0(v) case OpARM64XOR: return rewriteValueARM64_OpARM64XOR_0(v) || rewriteValueARM64_OpARM64XOR_10(v) case OpARM64XORconst: return rewriteValueARM64_OpARM64XORconst_0(v) case OpARM64XORshiftLL: return rewriteValueARM64_OpARM64XORshiftLL_0(v) case OpARM64XORshiftRA: return rewriteValueARM64_OpARM64XORshiftRA_0(v) case OpARM64XORshiftRL: return rewriteValueARM64_OpARM64XORshiftRL_0(v) case OpAbs: return rewriteValueARM64_OpAbs_0(v) case OpAdd16: return rewriteValueARM64_OpAdd16_0(v) case OpAdd32: return rewriteValueARM64_OpAdd32_0(v) case OpAdd32F: return rewriteValueARM64_OpAdd32F_0(v) case OpAdd64: return rewriteValueARM64_OpAdd64_0(v) case OpAdd64F: return rewriteValueARM64_OpAdd64F_0(v) case OpAdd8: return rewriteValueARM64_OpAdd8_0(v) case OpAddPtr: return rewriteValueARM64_OpAddPtr_0(v) case OpAddr: return rewriteValueARM64_OpAddr_0(v) case OpAnd16: return rewriteValueARM64_OpAnd16_0(v) case OpAnd32: return rewriteValueARM64_OpAnd32_0(v) case OpAnd64: return rewriteValueARM64_OpAnd64_0(v) case OpAnd8: return rewriteValueARM64_OpAnd8_0(v) case OpAndB: return rewriteValueARM64_OpAndB_0(v) case OpAtomicAdd32: return rewriteValueARM64_OpAtomicAdd32_0(v) case OpAtomicAdd32Variant: return rewriteValueARM64_OpAtomicAdd32Variant_0(v) case OpAtomicAdd64: return rewriteValueARM64_OpAtomicAdd64_0(v) case OpAtomicAdd64Variant: return rewriteValueARM64_OpAtomicAdd64Variant_0(v) case OpAtomicAnd8: return rewriteValueARM64_OpAtomicAnd8_0(v) case OpAtomicCompareAndSwap32: return rewriteValueARM64_OpAtomicCompareAndSwap32_0(v) case OpAtomicCompareAndSwap64: return rewriteValueARM64_OpAtomicCompareAndSwap64_0(v) case OpAtomicExchange32: return rewriteValueARM64_OpAtomicExchange32_0(v) case OpAtomicExchange64: return rewriteValueARM64_OpAtomicExchange64_0(v) case OpAtomicLoad32: return rewriteValueARM64_OpAtomicLoad32_0(v) case OpAtomicLoad64: return rewriteValueARM64_OpAtomicLoad64_0(v) case OpAtomicLoadPtr: return rewriteValueARM64_OpAtomicLoadPtr_0(v) case OpAtomicOr8: return rewriteValueARM64_OpAtomicOr8_0(v) case OpAtomicStore32: return rewriteValueARM64_OpAtomicStore32_0(v) case OpAtomicStore64: return rewriteValueARM64_OpAtomicStore64_0(v) case OpAtomicStorePtrNoWB: return rewriteValueARM64_OpAtomicStorePtrNoWB_0(v) case OpAvg64u: return rewriteValueARM64_OpAvg64u_0(v) case OpBitLen32: return rewriteValueARM64_OpBitLen32_0(v) case OpBitLen64: return rewriteValueARM64_OpBitLen64_0(v) case OpBitRev16: return rewriteValueARM64_OpBitRev16_0(v) case OpBitRev32: return rewriteValueARM64_OpBitRev32_0(v) case OpBitRev64: return rewriteValueARM64_OpBitRev64_0(v) case OpBitRev8: return rewriteValueARM64_OpBitRev8_0(v) case OpBswap32: return rewriteValueARM64_OpBswap32_0(v) case OpBswap64: return rewriteValueARM64_OpBswap64_0(v) case OpCeil: return rewriteValueARM64_OpCeil_0(v) case OpClosureCall: return rewriteValueARM64_OpClosureCall_0(v) case OpCom16: return rewriteValueARM64_OpCom16_0(v) case OpCom32: return rewriteValueARM64_OpCom32_0(v) case OpCom64: return rewriteValueARM64_OpCom64_0(v) case OpCom8: return rewriteValueARM64_OpCom8_0(v) case OpCondSelect: return rewriteValueARM64_OpCondSelect_0(v) case OpConst16: return rewriteValueARM64_OpConst16_0(v) case OpConst32: return rewriteValueARM64_OpConst32_0(v) case OpConst32F: return rewriteValueARM64_OpConst32F_0(v) case OpConst64: return rewriteValueARM64_OpConst64_0(v) case OpConst64F: return rewriteValueARM64_OpConst64F_0(v) case OpConst8: return rewriteValueARM64_OpConst8_0(v) case OpConstBool: return rewriteValueARM64_OpConstBool_0(v) case OpConstNil: return rewriteValueARM64_OpConstNil_0(v) case OpCtz32: return rewriteValueARM64_OpCtz32_0(v) case OpCtz32NonZero: return rewriteValueARM64_OpCtz32NonZero_0(v) case OpCtz64: return rewriteValueARM64_OpCtz64_0(v) case OpCtz64NonZero: return rewriteValueARM64_OpCtz64NonZero_0(v) case OpCvt32Fto32: return rewriteValueARM64_OpCvt32Fto32_0(v) case OpCvt32Fto32U: return rewriteValueARM64_OpCvt32Fto32U_0(v) case OpCvt32Fto64: return rewriteValueARM64_OpCvt32Fto64_0(v) case OpCvt32Fto64F: return rewriteValueARM64_OpCvt32Fto64F_0(v) case OpCvt32Fto64U: return rewriteValueARM64_OpCvt32Fto64U_0(v) case OpCvt32Uto32F: return rewriteValueARM64_OpCvt32Uto32F_0(v) case OpCvt32Uto64F: return rewriteValueARM64_OpCvt32Uto64F_0(v) case OpCvt32to32F: return rewriteValueARM64_OpCvt32to32F_0(v) case OpCvt32to64F: return rewriteValueARM64_OpCvt32to64F_0(v) case OpCvt64Fto32: return rewriteValueARM64_OpCvt64Fto32_0(v) case OpCvt64Fto32F: return rewriteValueARM64_OpCvt64Fto32F_0(v) case OpCvt64Fto32U: return rewriteValueARM64_OpCvt64Fto32U_0(v) case OpCvt64Fto64: return rewriteValueARM64_OpCvt64Fto64_0(v) case OpCvt64Fto64U: return rewriteValueARM64_OpCvt64Fto64U_0(v) case OpCvt64Uto32F: return rewriteValueARM64_OpCvt64Uto32F_0(v) case OpCvt64Uto64F: return rewriteValueARM64_OpCvt64Uto64F_0(v) case OpCvt64to32F: return rewriteValueARM64_OpCvt64to32F_0(v) case OpCvt64to64F: return rewriteValueARM64_OpCvt64to64F_0(v) case OpDiv16: return rewriteValueARM64_OpDiv16_0(v) case OpDiv16u: return rewriteValueARM64_OpDiv16u_0(v) case OpDiv32: return rewriteValueARM64_OpDiv32_0(v) case OpDiv32F: return rewriteValueARM64_OpDiv32F_0(v) case OpDiv32u: return rewriteValueARM64_OpDiv32u_0(v) case OpDiv64: return rewriteValueARM64_OpDiv64_0(v) case OpDiv64F: return rewriteValueARM64_OpDiv64F_0(v) case OpDiv64u: return rewriteValueARM64_OpDiv64u_0(v) case OpDiv8: return rewriteValueARM64_OpDiv8_0(v) case OpDiv8u: return rewriteValueARM64_OpDiv8u_0(v) case OpEq16: return rewriteValueARM64_OpEq16_0(v) case OpEq32: return rewriteValueARM64_OpEq32_0(v) case OpEq32F: return rewriteValueARM64_OpEq32F_0(v) case OpEq64: return rewriteValueARM64_OpEq64_0(v) case OpEq64F: return rewriteValueARM64_OpEq64F_0(v) case OpEq8: return rewriteValueARM64_OpEq8_0(v) case OpEqB: return rewriteValueARM64_OpEqB_0(v) case OpEqPtr: return rewriteValueARM64_OpEqPtr_0(v) case OpFloor: return rewriteValueARM64_OpFloor_0(v) case OpGeq16: return rewriteValueARM64_OpGeq16_0(v) case OpGeq16U: return rewriteValueARM64_OpGeq16U_0(v) case OpGeq32: return rewriteValueARM64_OpGeq32_0(v) case OpGeq32F: return rewriteValueARM64_OpGeq32F_0(v) case OpGeq32U: return rewriteValueARM64_OpGeq32U_0(v) case OpGeq64: return rewriteValueARM64_OpGeq64_0(v) case OpGeq64F: return rewriteValueARM64_OpGeq64F_0(v) case OpGeq64U: return rewriteValueARM64_OpGeq64U_0(v) case OpGeq8: return rewriteValueARM64_OpGeq8_0(v) case OpGeq8U: return rewriteValueARM64_OpGeq8U_0(v) case OpGetCallerPC: return rewriteValueARM64_OpGetCallerPC_0(v) case OpGetCallerSP: return rewriteValueARM64_OpGetCallerSP_0(v) case OpGetClosurePtr: return rewriteValueARM64_OpGetClosurePtr_0(v) case OpGreater16: return rewriteValueARM64_OpGreater16_0(v) case OpGreater16U: return rewriteValueARM64_OpGreater16U_0(v) case OpGreater32: return rewriteValueARM64_OpGreater32_0(v) case OpGreater32F: return rewriteValueARM64_OpGreater32F_0(v) case OpGreater32U: return rewriteValueARM64_OpGreater32U_0(v) case OpGreater64: return rewriteValueARM64_OpGreater64_0(v) case OpGreater64F: return rewriteValueARM64_OpGreater64F_0(v) case OpGreater64U: return rewriteValueARM64_OpGreater64U_0(v) case OpGreater8: return rewriteValueARM64_OpGreater8_0(v) case OpGreater8U: return rewriteValueARM64_OpGreater8U_0(v) case OpHmul32: return rewriteValueARM64_OpHmul32_0(v) case OpHmul32u: return rewriteValueARM64_OpHmul32u_0(v) case OpHmul64: return rewriteValueARM64_OpHmul64_0(v) case OpHmul64u: return rewriteValueARM64_OpHmul64u_0(v) case OpInterCall: return rewriteValueARM64_OpInterCall_0(v) case OpIsInBounds: return rewriteValueARM64_OpIsInBounds_0(v) case OpIsNonNil: return rewriteValueARM64_OpIsNonNil_0(v) case OpIsSliceInBounds: return rewriteValueARM64_OpIsSliceInBounds_0(v) case OpLeq16: return rewriteValueARM64_OpLeq16_0(v) case OpLeq16U: return rewriteValueARM64_OpLeq16U_0(v) case OpLeq32: return rewriteValueARM64_OpLeq32_0(v) case OpLeq32F: return rewriteValueARM64_OpLeq32F_0(v) case OpLeq32U: return rewriteValueARM64_OpLeq32U_0(v) case OpLeq64: return rewriteValueARM64_OpLeq64_0(v) case OpLeq64F: return rewriteValueARM64_OpLeq64F_0(v) case OpLeq64U: return rewriteValueARM64_OpLeq64U_0(v) case OpLeq8: return rewriteValueARM64_OpLeq8_0(v) case OpLeq8U: return rewriteValueARM64_OpLeq8U_0(v) case OpLess16: return rewriteValueARM64_OpLess16_0(v) case OpLess16U: return rewriteValueARM64_OpLess16U_0(v) case OpLess32: return rewriteValueARM64_OpLess32_0(v) case OpLess32F: return rewriteValueARM64_OpLess32F_0(v) case OpLess32U: return rewriteValueARM64_OpLess32U_0(v) case OpLess64: return rewriteValueARM64_OpLess64_0(v) case OpLess64F: return rewriteValueARM64_OpLess64F_0(v) case OpLess64U: return rewriteValueARM64_OpLess64U_0(v) case OpLess8: return rewriteValueARM64_OpLess8_0(v) case OpLess8U: return rewriteValueARM64_OpLess8U_0(v) case OpLoad: return rewriteValueARM64_OpLoad_0(v) case OpLocalAddr: return rewriteValueARM64_OpLocalAddr_0(v) case OpLsh16x16: return rewriteValueARM64_OpLsh16x16_0(v) case OpLsh16x32: return rewriteValueARM64_OpLsh16x32_0(v) case OpLsh16x64: return rewriteValueARM64_OpLsh16x64_0(v) case OpLsh16x8: return rewriteValueARM64_OpLsh16x8_0(v) case OpLsh32x16: return rewriteValueARM64_OpLsh32x16_0(v) case OpLsh32x32: return rewriteValueARM64_OpLsh32x32_0(v) case OpLsh32x64: return rewriteValueARM64_OpLsh32x64_0(v) case OpLsh32x8: return rewriteValueARM64_OpLsh32x8_0(v) case OpLsh64x16: return rewriteValueARM64_OpLsh64x16_0(v) case OpLsh64x32: return rewriteValueARM64_OpLsh64x32_0(v) case OpLsh64x64: return rewriteValueARM64_OpLsh64x64_0(v) case OpLsh64x8: return rewriteValueARM64_OpLsh64x8_0(v) case OpLsh8x16: return rewriteValueARM64_OpLsh8x16_0(v) case OpLsh8x32: return rewriteValueARM64_OpLsh8x32_0(v) case OpLsh8x64: return rewriteValueARM64_OpLsh8x64_0(v) case OpLsh8x8: return rewriteValueARM64_OpLsh8x8_0(v) case OpMod16: return rewriteValueARM64_OpMod16_0(v) case OpMod16u: return rewriteValueARM64_OpMod16u_0(v) case OpMod32: return rewriteValueARM64_OpMod32_0(v) case OpMod32u: return rewriteValueARM64_OpMod32u_0(v) case OpMod64: return rewriteValueARM64_OpMod64_0(v) case OpMod64u: return rewriteValueARM64_OpMod64u_0(v) case OpMod8: return rewriteValueARM64_OpMod8_0(v) case OpMod8u: return rewriteValueARM64_OpMod8u_0(v) case OpMove: return rewriteValueARM64_OpMove_0(v) || rewriteValueARM64_OpMove_10(v) case OpMul16: return rewriteValueARM64_OpMul16_0(v) case OpMul32: return rewriteValueARM64_OpMul32_0(v) case OpMul32F: return rewriteValueARM64_OpMul32F_0(v) case OpMul64: return rewriteValueARM64_OpMul64_0(v) case OpMul64F: return rewriteValueARM64_OpMul64F_0(v) case OpMul64uhilo: return rewriteValueARM64_OpMul64uhilo_0(v) case OpMul8: return rewriteValueARM64_OpMul8_0(v) case OpNeg16: return rewriteValueARM64_OpNeg16_0(v) case OpNeg32: return rewriteValueARM64_OpNeg32_0(v) case OpNeg32F: return rewriteValueARM64_OpNeg32F_0(v) case OpNeg64: return rewriteValueARM64_OpNeg64_0(v) case OpNeg64F: return rewriteValueARM64_OpNeg64F_0(v) case OpNeg8: return rewriteValueARM64_OpNeg8_0(v) case OpNeq16: return rewriteValueARM64_OpNeq16_0(v) case OpNeq32: return rewriteValueARM64_OpNeq32_0(v) case OpNeq32F: return rewriteValueARM64_OpNeq32F_0(v) case OpNeq64: return rewriteValueARM64_OpNeq64_0(v) case OpNeq64F: return rewriteValueARM64_OpNeq64F_0(v) case OpNeq8: return rewriteValueARM64_OpNeq8_0(v) case OpNeqB: return rewriteValueARM64_OpNeqB_0(v) case OpNeqPtr: return rewriteValueARM64_OpNeqPtr_0(v) case OpNilCheck: return rewriteValueARM64_OpNilCheck_0(v) case OpNot: return rewriteValueARM64_OpNot_0(v) case OpOffPtr: return rewriteValueARM64_OpOffPtr_0(v) case OpOr16: return rewriteValueARM64_OpOr16_0(v) case OpOr32: return rewriteValueARM64_OpOr32_0(v) case OpOr64: return rewriteValueARM64_OpOr64_0(v) case OpOr8: return rewriteValueARM64_OpOr8_0(v) case OpOrB: return rewriteValueARM64_OpOrB_0(v) case OpPopCount16: return rewriteValueARM64_OpPopCount16_0(v) case OpPopCount32: return rewriteValueARM64_OpPopCount32_0(v) case OpPopCount64: return rewriteValueARM64_OpPopCount64_0(v) case OpRotateLeft32: return rewriteValueARM64_OpRotateLeft32_0(v) case OpRotateLeft64: return rewriteValueARM64_OpRotateLeft64_0(v) case OpRound: return rewriteValueARM64_OpRound_0(v) case OpRound32F: return rewriteValueARM64_OpRound32F_0(v) case OpRound64F: return rewriteValueARM64_OpRound64F_0(v) case OpRoundToEven: return rewriteValueARM64_OpRoundToEven_0(v) case OpRsh16Ux16: return rewriteValueARM64_OpRsh16Ux16_0(v) case OpRsh16Ux32: return rewriteValueARM64_OpRsh16Ux32_0(v) case OpRsh16Ux64: return rewriteValueARM64_OpRsh16Ux64_0(v) case OpRsh16Ux8: return rewriteValueARM64_OpRsh16Ux8_0(v) case OpRsh16x16: return rewriteValueARM64_OpRsh16x16_0(v) case OpRsh16x32: return rewriteValueARM64_OpRsh16x32_0(v) case OpRsh16x64: return rewriteValueARM64_OpRsh16x64_0(v) case OpRsh16x8: return rewriteValueARM64_OpRsh16x8_0(v) case OpRsh32Ux16: return rewriteValueARM64_OpRsh32Ux16_0(v) case OpRsh32Ux32: return rewriteValueARM64_OpRsh32Ux32_0(v) case OpRsh32Ux64: return rewriteValueARM64_OpRsh32Ux64_0(v) case OpRsh32Ux8: return rewriteValueARM64_OpRsh32Ux8_0(v) case OpRsh32x16: return rewriteValueARM64_OpRsh32x16_0(v) case OpRsh32x32: return rewriteValueARM64_OpRsh32x32_0(v) case OpRsh32x64: return rewriteValueARM64_OpRsh32x64_0(v) case OpRsh32x8: return rewriteValueARM64_OpRsh32x8_0(v) case OpRsh64Ux16: return rewriteValueARM64_OpRsh64Ux16_0(v) case OpRsh64Ux32: return rewriteValueARM64_OpRsh64Ux32_0(v) case OpRsh64Ux64: return rewriteValueARM64_OpRsh64Ux64_0(v) case OpRsh64Ux8: return rewriteValueARM64_OpRsh64Ux8_0(v) case OpRsh64x16: return rewriteValueARM64_OpRsh64x16_0(v) case OpRsh64x32: return rewriteValueARM64_OpRsh64x32_0(v) case OpRsh64x64: return rewriteValueARM64_OpRsh64x64_0(v) case OpRsh64x8: return rewriteValueARM64_OpRsh64x8_0(v) case OpRsh8Ux16: return rewriteValueARM64_OpRsh8Ux16_0(v) case OpRsh8Ux32: return rewriteValueARM64_OpRsh8Ux32_0(v) case OpRsh8Ux64: return rewriteValueARM64_OpRsh8Ux64_0(v) case OpRsh8Ux8: return rewriteValueARM64_OpRsh8Ux8_0(v) case OpRsh8x16: return rewriteValueARM64_OpRsh8x16_0(v) case OpRsh8x32: return rewriteValueARM64_OpRsh8x32_0(v) case OpRsh8x64: return rewriteValueARM64_OpRsh8x64_0(v) case OpRsh8x8: return rewriteValueARM64_OpRsh8x8_0(v) case OpSignExt16to32: return rewriteValueARM64_OpSignExt16to32_0(v) case OpSignExt16to64: return rewriteValueARM64_OpSignExt16to64_0(v) case OpSignExt32to64: return rewriteValueARM64_OpSignExt32to64_0(v) case OpSignExt8to16: return rewriteValueARM64_OpSignExt8to16_0(v) case OpSignExt8to32: return rewriteValueARM64_OpSignExt8to32_0(v) case OpSignExt8to64: return rewriteValueARM64_OpSignExt8to64_0(v) case OpSlicemask: return rewriteValueARM64_OpSlicemask_0(v) case OpSqrt: return rewriteValueARM64_OpSqrt_0(v) case OpStaticCall: return rewriteValueARM64_OpStaticCall_0(v) case OpStore: return rewriteValueARM64_OpStore_0(v) case OpSub16: return rewriteValueARM64_OpSub16_0(v) case OpSub32: return rewriteValueARM64_OpSub32_0(v) case OpSub32F: return rewriteValueARM64_OpSub32F_0(v) case OpSub64: return rewriteValueARM64_OpSub64_0(v) case OpSub64F: return rewriteValueARM64_OpSub64F_0(v) case OpSub8: return rewriteValueARM64_OpSub8_0(v) case OpSubPtr: return rewriteValueARM64_OpSubPtr_0(v) case OpTrunc: return rewriteValueARM64_OpTrunc_0(v) case OpTrunc16to8: return rewriteValueARM64_OpTrunc16to8_0(v) case OpTrunc32to16: return rewriteValueARM64_OpTrunc32to16_0(v) case OpTrunc32to8: return rewriteValueARM64_OpTrunc32to8_0(v) case OpTrunc64to16: return rewriteValueARM64_OpTrunc64to16_0(v) case OpTrunc64to32: return rewriteValueARM64_OpTrunc64to32_0(v) case OpTrunc64to8: return rewriteValueARM64_OpTrunc64to8_0(v) case OpWB: return rewriteValueARM64_OpWB_0(v) case OpXor16: return rewriteValueARM64_OpXor16_0(v) case OpXor32: return rewriteValueARM64_OpXor32_0(v) case OpXor64: return rewriteValueARM64_OpXor64_0(v) case OpXor8: return rewriteValueARM64_OpXor8_0(v) case OpZero: return rewriteValueARM64_OpZero_0(v) || rewriteValueARM64_OpZero_10(v) || rewriteValueARM64_OpZero_20(v) case OpZeroExt16to32: return rewriteValueARM64_OpZeroExt16to32_0(v) case OpZeroExt16to64: return rewriteValueARM64_OpZeroExt16to64_0(v) case OpZeroExt32to64: return rewriteValueARM64_OpZeroExt32to64_0(v) case OpZeroExt8to16: return rewriteValueARM64_OpZeroExt8to16_0(v) case OpZeroExt8to32: return rewriteValueARM64_OpZeroExt8to32_0(v) case OpZeroExt8to64: return rewriteValueARM64_OpZeroExt8to64_0(v) } return false } func rewriteValueARM64_OpARM64ADD_0(v *Value) bool { // match: (ADD x (MOVDconst [c])) // cond: // result: (ADDconst [c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ADDconst) v.AuxInt = c v.AddArg(x) return true } // match: (ADD (MOVDconst [c]) x) // cond: // result: (ADDconst [c] x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ADDconst) v.AuxInt = c v.AddArg(x) return true } // match: (ADD a l:(MUL x y)) // cond: l.Uses==1 && clobber(l) // result: (MADD a x y) for { _ = v.Args[1] a := v.Args[0] l := v.Args[1] if l.Op != OpARM64MUL { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] if !(l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MADD) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (ADD l:(MUL x y) a) // cond: l.Uses==1 && clobber(l) // result: (MADD a x y) for { _ = v.Args[1] l := v.Args[0] if l.Op != OpARM64MUL { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] a := v.Args[1] if !(l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MADD) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (ADD a l:(MNEG x y)) // cond: l.Uses==1 && clobber(l) // result: (MSUB a x y) for { _ = v.Args[1] a := v.Args[0] l := v.Args[1] if l.Op != OpARM64MNEG { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] if !(l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MSUB) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (ADD l:(MNEG x y) a) // cond: l.Uses==1 && clobber(l) // result: (MSUB a x y) for { _ = v.Args[1] l := v.Args[0] if l.Op != OpARM64MNEG { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] a := v.Args[1] if !(l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MSUB) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (ADD a l:(MULW x y)) // cond: a.Type.Size() != 8 && l.Uses==1 && clobber(l) // result: (MADDW a x y) for { _ = v.Args[1] a := v.Args[0] l := v.Args[1] if l.Op != OpARM64MULW { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] if !(a.Type.Size() != 8 && l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MADDW) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (ADD l:(MULW x y) a) // cond: a.Type.Size() != 8 && l.Uses==1 && clobber(l) // result: (MADDW a x y) for { _ = v.Args[1] l := v.Args[0] if l.Op != OpARM64MULW { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] a := v.Args[1] if !(a.Type.Size() != 8 && l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MADDW) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (ADD a l:(MNEGW x y)) // cond: a.Type.Size() != 8 && l.Uses==1 && clobber(l) // result: (MSUBW a x y) for { _ = v.Args[1] a := v.Args[0] l := v.Args[1] if l.Op != OpARM64MNEGW { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] if !(a.Type.Size() != 8 && l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MSUBW) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (ADD l:(MNEGW x y) a) // cond: a.Type.Size() != 8 && l.Uses==1 && clobber(l) // result: (MSUBW a x y) for { _ = v.Args[1] l := v.Args[0] if l.Op != OpARM64MNEGW { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] a := v.Args[1] if !(a.Type.Size() != 8 && l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MSUBW) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64ADD_10(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (ADD x (NEG y)) // cond: // result: (SUB x y) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64NEG { break } y := v_1.Args[0] v.reset(OpARM64SUB) v.AddArg(x) v.AddArg(y) return true } // match: (ADD (NEG y) x) // cond: // result: (SUB x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64NEG { break } y := v_0.Args[0] x := v.Args[1] v.reset(OpARM64SUB) v.AddArg(x) v.AddArg(y) return true } // match: (ADD x0 x1:(SLLconst [c] y)) // cond: clobberIfDead(x1) // result: (ADDshiftLL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (ADD x1:(SLLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (ADDshiftLL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (ADD x0 x1:(SRLconst [c] y)) // cond: clobberIfDead(x1) // result: (ADDshiftRL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ADDshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (ADD x1:(SRLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (ADDshiftRL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ADDshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (ADD x0 x1:(SRAconst [c] y)) // cond: clobberIfDead(x1) // result: (ADDshiftRA x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ADDshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (ADD x1:(SRAconst [c] y) x0) // cond: clobberIfDead(x1) // result: (ADDshiftRA x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ADDshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (ADD (SLL x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> {cc} (SRL <typ.UInt64> x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLL { break } _ = v_0.Args[1] x := v_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 63 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt64 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SRL { break } if v_1_0.Type != typ.UInt64 { break } _ = v_1_0.Args[1] if x != v_1_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 64 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 63 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 64 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 63 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } // match: (ADD (CSEL0 <typ.UInt64> {cc} (SRL <typ.UInt64> x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y)))) (SLL x (ANDconst <t> [63] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt64 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SRL { break } if v_0_0.Type != typ.UInt64 { break } _ = v_0_0.Args[1] x := v_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 64 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 63 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 64 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 63 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SLL { break } _ = v_1.Args[1] if x != v_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 63 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64ADD_20(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (ADD (SRL <typ.UInt64> x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> {cc} (SLL x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRL { break } if v_0.Type != typ.UInt64 { break } _ = v_0.Args[1] x := v_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 63 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt64 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SLL { break } _ = v_1_0.Args[1] if x != v_1_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 64 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 63 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 64 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 63 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v.AddArg(y) return true } // match: (ADD (CSEL0 <typ.UInt64> {cc} (SLL x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y)))) (SRL <typ.UInt64> x (ANDconst <t> [63] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt64 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SLL { break } _ = v_0_0.Args[1] x := v_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 64 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 63 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 64 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 63 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SRL { break } if v_1.Type != typ.UInt64 { break } _ = v_1.Args[1] if x != v_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 63 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v.AddArg(y) return true } // match: (ADD (SLL x (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> {cc} (SRL <typ.UInt32> (MOVWUreg x) (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLL { break } _ = v_0.Args[1] x := v_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 31 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt32 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SRL { break } if v_1_0.Type != typ.UInt32 { break } _ = v_1_0.Args[1] v_1_0_0 := v_1_0.Args[0] if v_1_0_0.Op != OpARM64MOVWUreg { break } if x != v_1_0_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 32 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 31 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 32 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 31 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } // match: (ADD (CSEL0 <typ.UInt32> {cc} (SRL <typ.UInt32> (MOVWUreg x) (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y)))) (SLL x (ANDconst <t> [31] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt32 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SRL { break } if v_0_0.Type != typ.UInt32 { break } _ = v_0_0.Args[1] v_0_0_0 := v_0_0.Args[0] if v_0_0_0.Op != OpARM64MOVWUreg { break } x := v_0_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 32 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 31 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 32 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 31 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SLL { break } _ = v_1.Args[1] if x != v_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 31 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } // match: (ADD (SRL <typ.UInt32> (MOVWUreg x) (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> {cc} (SLL x (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRL { break } if v_0.Type != typ.UInt32 { break } _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64MOVWUreg { break } x := v_0_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 31 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt32 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SLL { break } _ = v_1_0.Args[1] if x != v_1_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 32 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 31 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 32 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 31 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v.AddArg(y) return true } // match: (ADD (CSEL0 <typ.UInt32> {cc} (SLL x (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y)))) (SRL <typ.UInt32> (MOVWUreg x) (ANDconst <t> [31] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt32 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SLL { break } _ = v_0_0.Args[1] x := v_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 32 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 31 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 32 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 31 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SRL { break } if v_1.Type != typ.UInt32 { break } _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64MOVWUreg { break } if x != v_1_0.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 31 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64ADDconst_0(v *Value) bool { // match: (ADDconst [off1] (MOVDaddr [off2] {sym} ptr)) // cond: // result: (MOVDaddr [off1+off2] {sym} ptr) for { off1 := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym := v_0.Aux ptr := v_0.Args[0] v.reset(OpARM64MOVDaddr) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) return true } // match: (ADDconst [0] x) // cond: // result: x for { if v.AuxInt != 0 { break } x := v.Args[0] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (ADDconst [c] (MOVDconst [d])) // cond: // result: (MOVDconst [c+d]) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = c + d return true } // match: (ADDconst [c] (ADDconst [d] x)) // cond: // result: (ADDconst [c+d] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } d := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64ADDconst) v.AuxInt = c + d v.AddArg(x) return true } // match: (ADDconst [c] (SUBconst [d] x)) // cond: // result: (ADDconst [c-d] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SUBconst { break } d := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64ADDconst) v.AuxInt = c - d v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64ADDshiftLL_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (ADDshiftLL (MOVDconst [c]) x [d]) // cond: // result: (ADDconst [c] (SLLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ADDconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (ADDshiftLL x (MOVDconst [c]) [d]) // cond: // result: (ADDconst x [int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ADDconst) v.AuxInt = int64(uint64(c) << uint64(d)) v.AddArg(x) return true } // match: (ADDshiftLL [c] (SRLconst x [64-c]) x) // cond: // result: (RORconst [64-c] x) for { c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } if v_0.AuxInt != 64-c { break } x := v_0.Args[0] if x != v.Args[1] { break } v.reset(OpARM64RORconst) v.AuxInt = 64 - c v.AddArg(x) return true } // match: (ADDshiftLL <t> [c] (UBFX [bfc] x) x) // cond: c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c) // result: (RORWconst [32-c] x) for { t := v.Type c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } bfc := v_0.AuxInt x := v_0.Args[0] if x != v.Args[1] { break } if !(c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c)) { break } v.reset(OpARM64RORWconst) v.AuxInt = 32 - c v.AddArg(x) return true } // match: (ADDshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [arm64BFAuxInt(8, 8)] x) x) // cond: // result: (REV16W x) for { if v.Type != typ.UInt16 { break } if v.AuxInt != 8 { break } _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } if v_0.Type != typ.UInt16 { break } if v_0.AuxInt != arm64BFAuxInt(8, 8) { break } x := v_0.Args[0] if x != v.Args[1] { break } v.reset(OpARM64REV16W) v.AddArg(x) return true } // match: (ADDshiftLL [c] (SRLconst x [64-c]) x2) // cond: // result: (EXTRconst [64-c] x2 x) for { c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } if v_0.AuxInt != 64-c { break } x := v_0.Args[0] x2 := v.Args[1] v.reset(OpARM64EXTRconst) v.AuxInt = 64 - c v.AddArg(x2) v.AddArg(x) return true } // match: (ADDshiftLL <t> [c] (UBFX [bfc] x) x2) // cond: c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c) // result: (EXTRWconst [32-c] x2 x) for { t := v.Type c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } bfc := v_0.AuxInt x := v_0.Args[0] x2 := v.Args[1] if !(c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c)) { break } v.reset(OpARM64EXTRWconst) v.AuxInt = 32 - c v.AddArg(x2) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64ADDshiftRA_0(v *Value) bool { b := v.Block _ = b // match: (ADDshiftRA (MOVDconst [c]) x [d]) // cond: // result: (ADDconst [c] (SRAconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ADDconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (ADDshiftRA x (MOVDconst [c]) [d]) // cond: // result: (ADDconst x [c>>uint64(d)]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ADDconst) v.AuxInt = c >> uint64(d) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64ADDshiftRL_0(v *Value) bool { b := v.Block _ = b // match: (ADDshiftRL (MOVDconst [c]) x [d]) // cond: // result: (ADDconst [c] (SRLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ADDconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (ADDshiftRL x (MOVDconst [c]) [d]) // cond: // result: (ADDconst x [int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ADDconst) v.AuxInt = int64(uint64(c) >> uint64(d)) v.AddArg(x) return true } // match: (ADDshiftRL [c] (SLLconst x [64-c]) x) // cond: // result: (RORconst [ c] x) for { c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 64-c { break } x := v_0.Args[0] if x != v.Args[1] { break } v.reset(OpARM64RORconst) v.AuxInt = c v.AddArg(x) return true } // match: (ADDshiftRL <t> [c] (SLLconst x [32-c]) (MOVWUreg x)) // cond: c < 32 && t.Size() == 4 // result: (RORWconst [c] x) for { t := v.Type c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 32-c { break } x := v_0.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWUreg { break } if x != v_1.Args[0] { break } if !(c < 32 && t.Size() == 4) { break } v.reset(OpARM64RORWconst) v.AuxInt = c v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64AND_0(v *Value) bool { // match: (AND x (MOVDconst [c])) // cond: // result: (ANDconst [c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ANDconst) v.AuxInt = c v.AddArg(x) return true } // match: (AND (MOVDconst [c]) x) // cond: // result: (ANDconst [c] x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ANDconst) v.AuxInt = c v.AddArg(x) return true } // match: (AND x x) // cond: // result: x for { _ = v.Args[1] x := v.Args[0] if x != v.Args[1] { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (AND x (MVN y)) // cond: // result: (BIC x y) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MVN { break } y := v_1.Args[0] v.reset(OpARM64BIC) v.AddArg(x) v.AddArg(y) return true } // match: (AND (MVN y) x) // cond: // result: (BIC x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MVN { break } y := v_0.Args[0] x := v.Args[1] v.reset(OpARM64BIC) v.AddArg(x) v.AddArg(y) return true } // match: (AND x0 x1:(SLLconst [c] y)) // cond: clobberIfDead(x1) // result: (ANDshiftLL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ANDshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (AND x1:(SLLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (ANDshiftLL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ANDshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (AND x0 x1:(SRLconst [c] y)) // cond: clobberIfDead(x1) // result: (ANDshiftRL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ANDshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (AND x1:(SRLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (ANDshiftRL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ANDshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (AND x0 x1:(SRAconst [c] y)) // cond: clobberIfDead(x1) // result: (ANDshiftRA x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ANDshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64AND_10(v *Value) bool { // match: (AND x1:(SRAconst [c] y) x0) // cond: clobberIfDead(x1) // result: (ANDshiftRA x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ANDshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64ANDconst_0(v *Value) bool { // match: (ANDconst [0] _) // cond: // result: (MOVDconst [0]) for { if v.AuxInt != 0 { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (ANDconst [-1] x) // cond: // result: x for { if v.AuxInt != -1 { break } x := v.Args[0] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (ANDconst [c] (MOVDconst [d])) // cond: // result: (MOVDconst [c&d]) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = c & d return true } // match: (ANDconst [c] (ANDconst [d] x)) // cond: // result: (ANDconst [c&d] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64ANDconst { break } d := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64ANDconst) v.AuxInt = c & d v.AddArg(x) return true } // match: (ANDconst [c] (MOVWUreg x)) // cond: // result: (ANDconst [c&(1<<32-1)] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVWUreg { break } x := v_0.Args[0] v.reset(OpARM64ANDconst) v.AuxInt = c & (1<<32 - 1) v.AddArg(x) return true } // match: (ANDconst [c] (MOVHUreg x)) // cond: // result: (ANDconst [c&(1<<16-1)] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVHUreg { break } x := v_0.Args[0] v.reset(OpARM64ANDconst) v.AuxInt = c & (1<<16 - 1) v.AddArg(x) return true } // match: (ANDconst [c] (MOVBUreg x)) // cond: // result: (ANDconst [c&(1<<8-1)] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVBUreg { break } x := v_0.Args[0] v.reset(OpARM64ANDconst) v.AuxInt = c & (1<<8 - 1) v.AddArg(x) return true } // match: (ANDconst [ac] (SLLconst [sc] x)) // cond: isARM64BFMask(sc, ac, sc) // result: (UBFIZ [arm64BFAuxInt(sc, arm64BFWidth(ac, sc))] x) for { ac := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(isARM64BFMask(sc, ac, sc)) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(sc, arm64BFWidth(ac, sc)) v.AddArg(x) return true } // match: (ANDconst [ac] (SRLconst [sc] x)) // cond: isARM64BFMask(sc, ac, 0) // result: (UBFX [arm64BFAuxInt(sc, arm64BFWidth(ac, 0))] x) for { ac := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(isARM64BFMask(sc, ac, 0)) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(sc, arm64BFWidth(ac, 0)) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64ANDshiftLL_0(v *Value) bool { b := v.Block _ = b // match: (ANDshiftLL (MOVDconst [c]) x [d]) // cond: // result: (ANDconst [c] (SLLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ANDconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (ANDshiftLL x (MOVDconst [c]) [d]) // cond: // result: (ANDconst x [int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ANDconst) v.AuxInt = int64(uint64(c) << uint64(d)) v.AddArg(x) return true } // match: (ANDshiftLL x y:(SLLconst x [c]) [d]) // cond: c==d // result: y for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] y := v.Args[1] if y.Op != OpARM64SLLconst { break } c := y.AuxInt if x != y.Args[0] { break } if !(c == d) { break } v.reset(OpCopy) v.Type = y.Type v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64ANDshiftRA_0(v *Value) bool { b := v.Block _ = b // match: (ANDshiftRA (MOVDconst [c]) x [d]) // cond: // result: (ANDconst [c] (SRAconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ANDconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (ANDshiftRA x (MOVDconst [c]) [d]) // cond: // result: (ANDconst x [c>>uint64(d)]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ANDconst) v.AuxInt = c >> uint64(d) v.AddArg(x) return true } // match: (ANDshiftRA x y:(SRAconst x [c]) [d]) // cond: c==d // result: y for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] y := v.Args[1] if y.Op != OpARM64SRAconst { break } c := y.AuxInt if x != y.Args[0] { break } if !(c == d) { break } v.reset(OpCopy) v.Type = y.Type v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64ANDshiftRL_0(v *Value) bool { b := v.Block _ = b // match: (ANDshiftRL (MOVDconst [c]) x [d]) // cond: // result: (ANDconst [c] (SRLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ANDconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (ANDshiftRL x (MOVDconst [c]) [d]) // cond: // result: (ANDconst x [int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ANDconst) v.AuxInt = int64(uint64(c) >> uint64(d)) v.AddArg(x) return true } // match: (ANDshiftRL x y:(SRLconst x [c]) [d]) // cond: c==d // result: y for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] y := v.Args[1] if y.Op != OpARM64SRLconst { break } c := y.AuxInt if x != y.Args[0] { break } if !(c == d) { break } v.reset(OpCopy) v.Type = y.Type v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64BIC_0(v *Value) bool { // match: (BIC x (MOVDconst [c])) // cond: // result: (ANDconst [^c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ANDconst) v.AuxInt = ^c v.AddArg(x) return true } // match: (BIC x x) // cond: // result: (MOVDconst [0]) for { _ = v.Args[1] x := v.Args[0] if x != v.Args[1] { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (BIC x0 x1:(SLLconst [c] y)) // cond: clobberIfDead(x1) // result: (BICshiftLL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64BICshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (BIC x0 x1:(SRLconst [c] y)) // cond: clobberIfDead(x1) // result: (BICshiftRL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64BICshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (BIC x0 x1:(SRAconst [c] y)) // cond: clobberIfDead(x1) // result: (BICshiftRA x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64BICshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64BICshiftLL_0(v *Value) bool { // match: (BICshiftLL x (MOVDconst [c]) [d]) // cond: // result: (ANDconst x [^int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ANDconst) v.AuxInt = ^int64(uint64(c) << uint64(d)) v.AddArg(x) return true } // match: (BICshiftLL x (SLLconst x [c]) [d]) // cond: c==d // result: (MOVDconst [0]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64BICshiftRA_0(v *Value) bool { // match: (BICshiftRA x (MOVDconst [c]) [d]) // cond: // result: (ANDconst x [^(c>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ANDconst) v.AuxInt = ^(c >> uint64(d)) v.AddArg(x) return true } // match: (BICshiftRA x (SRAconst x [c]) [d]) // cond: c==d // result: (MOVDconst [0]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRAconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64BICshiftRL_0(v *Value) bool { // match: (BICshiftRL x (MOVDconst [c]) [d]) // cond: // result: (ANDconst x [^int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ANDconst) v.AuxInt = ^int64(uint64(c) >> uint64(d)) v.AddArg(x) return true } // match: (BICshiftRL x (SRLconst x [c]) [d]) // cond: c==d // result: (MOVDconst [0]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64CMN_0(v *Value) bool { // match: (CMN x (MOVDconst [c])) // cond: // result: (CMNconst [c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64CMNconst) v.AuxInt = c v.AddArg(x) return true } // match: (CMN (MOVDconst [c]) x) // cond: // result: (CMNconst [c] x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64CMNconst) v.AuxInt = c v.AddArg(x) return true } // match: (CMN x0 x1:(SLLconst [c] y)) // cond: clobberIfDead(x1) // result: (CMNshiftLL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64CMNshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (CMN x1:(SLLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (CMNshiftLL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64CMNshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (CMN x0 x1:(SRLconst [c] y)) // cond: clobberIfDead(x1) // result: (CMNshiftRL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64CMNshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (CMN x1:(SRLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (CMNshiftRL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64CMNshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (CMN x0 x1:(SRAconst [c] y)) // cond: clobberIfDead(x1) // result: (CMNshiftRA x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64CMNshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (CMN x1:(SRAconst [c] y) x0) // cond: clobberIfDead(x1) // result: (CMNshiftRA x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64CMNshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64CMNW_0(v *Value) bool { // match: (CMNW x (MOVDconst [c])) // cond: // result: (CMNWconst [c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64CMNWconst) v.AuxInt = c v.AddArg(x) return true } // match: (CMNW (MOVDconst [c]) x) // cond: // result: (CMNWconst [c] x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64CMNWconst) v.AuxInt = c v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64CMNWconst_0(v *Value) bool { // match: (CMNWconst (MOVDconst [x]) [y]) // cond: int32(x)==int32(-y) // result: (FlagEQ) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x) == int32(-y)) { break } v.reset(OpARM64FlagEQ) return true } // match: (CMNWconst (MOVDconst [x]) [y]) // cond: int32(x)<int32(-y) && uint32(x)<uint32(-y) // result: (FlagLT_ULT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x) < int32(-y) && uint32(x) < uint32(-y)) { break } v.reset(OpARM64FlagLT_ULT) return true } // match: (CMNWconst (MOVDconst [x]) [y]) // cond: int32(x)<int32(-y) && uint32(x)>uint32(-y) // result: (FlagLT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x) < int32(-y) && uint32(x) > uint32(-y)) { break } v.reset(OpARM64FlagLT_UGT) return true } // match: (CMNWconst (MOVDconst [x]) [y]) // cond: int32(x)>int32(-y) && uint32(x)<uint32(-y) // result: (FlagGT_ULT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x) > int32(-y) && uint32(x) < uint32(-y)) { break } v.reset(OpARM64FlagGT_ULT) return true } // match: (CMNWconst (MOVDconst [x]) [y]) // cond: int32(x)>int32(-y) && uint32(x)>uint32(-y) // result: (FlagGT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x) > int32(-y) && uint32(x) > uint32(-y)) { break } v.reset(OpARM64FlagGT_UGT) return true } return false } func rewriteValueARM64_OpARM64CMNconst_0(v *Value) bool { // match: (CMNconst (MOVDconst [x]) [y]) // cond: int64(x)==int64(-y) // result: (FlagEQ) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int64(x) == int64(-y)) { break } v.reset(OpARM64FlagEQ) return true } // match: (CMNconst (MOVDconst [x]) [y]) // cond: int64(x)<int64(-y) && uint64(x)<uint64(-y) // result: (FlagLT_ULT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int64(x) < int64(-y) && uint64(x) < uint64(-y)) { break } v.reset(OpARM64FlagLT_ULT) return true } // match: (CMNconst (MOVDconst [x]) [y]) // cond: int64(x)<int64(-y) && uint64(x)>uint64(-y) // result: (FlagLT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int64(x) < int64(-y) && uint64(x) > uint64(-y)) { break } v.reset(OpARM64FlagLT_UGT) return true } // match: (CMNconst (MOVDconst [x]) [y]) // cond: int64(x)>int64(-y) && uint64(x)<uint64(-y) // result: (FlagGT_ULT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int64(x) > int64(-y) && uint64(x) < uint64(-y)) { break } v.reset(OpARM64FlagGT_ULT) return true } // match: (CMNconst (MOVDconst [x]) [y]) // cond: int64(x)>int64(-y) && uint64(x)>uint64(-y) // result: (FlagGT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int64(x) > int64(-y) && uint64(x) > uint64(-y)) { break } v.reset(OpARM64FlagGT_UGT) return true } return false } func rewriteValueARM64_OpARM64CMNshiftLL_0(v *Value) bool { b := v.Block _ = b // match: (CMNshiftLL (MOVDconst [c]) x [d]) // cond: // result: (CMNconst [c] (SLLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64CMNconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (CMNshiftLL x (MOVDconst [c]) [d]) // cond: // result: (CMNconst x [int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64CMNconst) v.AuxInt = int64(uint64(c) << uint64(d)) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64CMNshiftRA_0(v *Value) bool { b := v.Block _ = b // match: (CMNshiftRA (MOVDconst [c]) x [d]) // cond: // result: (CMNconst [c] (SRAconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64CMNconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (CMNshiftRA x (MOVDconst [c]) [d]) // cond: // result: (CMNconst x [c>>uint64(d)]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64CMNconst) v.AuxInt = c >> uint64(d) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64CMNshiftRL_0(v *Value) bool { b := v.Block _ = b // match: (CMNshiftRL (MOVDconst [c]) x [d]) // cond: // result: (CMNconst [c] (SRLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64CMNconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (CMNshiftRL x (MOVDconst [c]) [d]) // cond: // result: (CMNconst x [int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64CMNconst) v.AuxInt = int64(uint64(c) >> uint64(d)) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64CMP_0(v *Value) bool { b := v.Block _ = b // match: (CMP x (MOVDconst [c])) // cond: // result: (CMPconst [c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64CMPconst) v.AuxInt = c v.AddArg(x) return true } // match: (CMP (MOVDconst [c]) x) // cond: // result: (InvertFlags (CMPconst [c] x)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64InvertFlags) v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(x) v.AddArg(v0) return true } // match: (CMP x0 x1:(SLLconst [c] y)) // cond: clobberIfDead(x1) // result: (CMPshiftLL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64CMPshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (CMP x0:(SLLconst [c] y) x1) // cond: clobberIfDead(x0) // result: (InvertFlags (CMPshiftLL x1 y [c])) for { _ = v.Args[1] x0 := v.Args[0] if x0.Op != OpARM64SLLconst { break } c := x0.AuxInt y := x0.Args[0] x1 := v.Args[1] if !(clobberIfDead(x0)) { break } v.reset(OpARM64InvertFlags) v0 := b.NewValue0(v.Pos, OpARM64CMPshiftLL, types.TypeFlags) v0.AuxInt = c v0.AddArg(x1) v0.AddArg(y) v.AddArg(v0) return true } // match: (CMP x0 x1:(SRLconst [c] y)) // cond: clobberIfDead(x1) // result: (CMPshiftRL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64CMPshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (CMP x0:(SRLconst [c] y) x1) // cond: clobberIfDead(x0) // result: (InvertFlags (CMPshiftRL x1 y [c])) for { _ = v.Args[1] x0 := v.Args[0] if x0.Op != OpARM64SRLconst { break } c := x0.AuxInt y := x0.Args[0] x1 := v.Args[1] if !(clobberIfDead(x0)) { break } v.reset(OpARM64InvertFlags) v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRL, types.TypeFlags) v0.AuxInt = c v0.AddArg(x1) v0.AddArg(y) v.AddArg(v0) return true } // match: (CMP x0 x1:(SRAconst [c] y)) // cond: clobberIfDead(x1) // result: (CMPshiftRA x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64CMPshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (CMP x0:(SRAconst [c] y) x1) // cond: clobberIfDead(x0) // result: (InvertFlags (CMPshiftRA x1 y [c])) for { _ = v.Args[1] x0 := v.Args[0] if x0.Op != OpARM64SRAconst { break } c := x0.AuxInt y := x0.Args[0] x1 := v.Args[1] if !(clobberIfDead(x0)) { break } v.reset(OpARM64InvertFlags) v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRA, types.TypeFlags) v0.AuxInt = c v0.AddArg(x1) v0.AddArg(y) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64CMPW_0(v *Value) bool { b := v.Block _ = b // match: (CMPW x (MOVDconst [c])) // cond: // result: (CMPWconst [int64(int32(c))] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64CMPWconst) v.AuxInt = int64(int32(c)) v.AddArg(x) return true } // match: (CMPW (MOVDconst [c]) x) // cond: // result: (InvertFlags (CMPWconst [int64(int32(c))] x)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64InvertFlags) v0 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags) v0.AuxInt = int64(int32(c)) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64CMPWconst_0(v *Value) bool { // match: (CMPWconst (MOVDconst [x]) [y]) // cond: int32(x)==int32(y) // result: (FlagEQ) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x) == int32(y)) { break } v.reset(OpARM64FlagEQ) return true } // match: (CMPWconst (MOVDconst [x]) [y]) // cond: int32(x)<int32(y) && uint32(x)<uint32(y) // result: (FlagLT_ULT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x) < int32(y) && uint32(x) < uint32(y)) { break } v.reset(OpARM64FlagLT_ULT) return true } // match: (CMPWconst (MOVDconst [x]) [y]) // cond: int32(x)<int32(y) && uint32(x)>uint32(y) // result: (FlagLT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x) < int32(y) && uint32(x) > uint32(y)) { break } v.reset(OpARM64FlagLT_UGT) return true } // match: (CMPWconst (MOVDconst [x]) [y]) // cond: int32(x)>int32(y) && uint32(x)<uint32(y) // result: (FlagGT_ULT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x) > int32(y) && uint32(x) < uint32(y)) { break } v.reset(OpARM64FlagGT_ULT) return true } // match: (CMPWconst (MOVDconst [x]) [y]) // cond: int32(x)>int32(y) && uint32(x)>uint32(y) // result: (FlagGT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x) > int32(y) && uint32(x) > uint32(y)) { break } v.reset(OpARM64FlagGT_UGT) return true } // match: (CMPWconst (MOVBUreg _) [c]) // cond: 0xff < int32(c) // result: (FlagLT_ULT) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVBUreg { break } if !(0xff < int32(c)) { break } v.reset(OpARM64FlagLT_ULT) return true } // match: (CMPWconst (MOVHUreg _) [c]) // cond: 0xffff < int32(c) // result: (FlagLT_ULT) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVHUreg { break } if !(0xffff < int32(c)) { break } v.reset(OpARM64FlagLT_ULT) return true } return false } func rewriteValueARM64_OpARM64CMPconst_0(v *Value) bool { // match: (CMPconst (MOVDconst [x]) [y]) // cond: x==y // result: (FlagEQ) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(x == y) { break } v.reset(OpARM64FlagEQ) return true } // match: (CMPconst (MOVDconst [x]) [y]) // cond: x<y && uint64(x)<uint64(y) // result: (FlagLT_ULT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(x < y && uint64(x) < uint64(y)) { break } v.reset(OpARM64FlagLT_ULT) return true } // match: (CMPconst (MOVDconst [x]) [y]) // cond: x<y && uint64(x)>uint64(y) // result: (FlagLT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(x < y && uint64(x) > uint64(y)) { break } v.reset(OpARM64FlagLT_UGT) return true } // match: (CMPconst (MOVDconst [x]) [y]) // cond: x>y && uint64(x)<uint64(y) // result: (FlagGT_ULT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(x > y && uint64(x) < uint64(y)) { break } v.reset(OpARM64FlagGT_ULT) return true } // match: (CMPconst (MOVDconst [x]) [y]) // cond: x>y && uint64(x)>uint64(y) // result: (FlagGT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(x > y && uint64(x) > uint64(y)) { break } v.reset(OpARM64FlagGT_UGT) return true } // match: (CMPconst (MOVBUreg _) [c]) // cond: 0xff < c // result: (FlagLT_ULT) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVBUreg { break } if !(0xff < c) { break } v.reset(OpARM64FlagLT_ULT) return true } // match: (CMPconst (MOVHUreg _) [c]) // cond: 0xffff < c // result: (FlagLT_ULT) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVHUreg { break } if !(0xffff < c) { break } v.reset(OpARM64FlagLT_ULT) return true } // match: (CMPconst (MOVWUreg _) [c]) // cond: 0xffffffff < c // result: (FlagLT_ULT) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVWUreg { break } if !(0xffffffff < c) { break } v.reset(OpARM64FlagLT_ULT) return true } // match: (CMPconst (ANDconst _ [m]) [n]) // cond: 0 <= m && m < n // result: (FlagLT_ULT) for { n := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64ANDconst { break } m := v_0.AuxInt if !(0 <= m && m < n) { break } v.reset(OpARM64FlagLT_ULT) return true } // match: (CMPconst (SRLconst _ [c]) [n]) // cond: 0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n) // result: (FlagLT_ULT) for { n := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } c := v_0.AuxInt if !(0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)) { break } v.reset(OpARM64FlagLT_ULT) return true } return false } func rewriteValueARM64_OpARM64CMPshiftLL_0(v *Value) bool { b := v.Block _ = b // match: (CMPshiftLL (MOVDconst [c]) x [d]) // cond: // result: (InvertFlags (CMPconst [c] (SLLconst <x.Type> x [d]))) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64InvertFlags) v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v0.AuxInt = c v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v1.AuxInt = d v1.AddArg(x) v0.AddArg(v1) v.AddArg(v0) return true } // match: (CMPshiftLL x (MOVDconst [c]) [d]) // cond: // result: (CMPconst x [int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64CMPconst) v.AuxInt = int64(uint64(c) << uint64(d)) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64CMPshiftRA_0(v *Value) bool { b := v.Block _ = b // match: (CMPshiftRA (MOVDconst [c]) x [d]) // cond: // result: (InvertFlags (CMPconst [c] (SRAconst <x.Type> x [d]))) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64InvertFlags) v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v0.AuxInt = c v1 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) v1.AuxInt = d v1.AddArg(x) v0.AddArg(v1) v.AddArg(v0) return true } // match: (CMPshiftRA x (MOVDconst [c]) [d]) // cond: // result: (CMPconst x [c>>uint64(d)]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64CMPconst) v.AuxInt = c >> uint64(d) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64CMPshiftRL_0(v *Value) bool { b := v.Block _ = b // match: (CMPshiftRL (MOVDconst [c]) x [d]) // cond: // result: (InvertFlags (CMPconst [c] (SRLconst <x.Type> x [d]))) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64InvertFlags) v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v0.AuxInt = c v1 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) v1.AuxInt = d v1.AddArg(x) v0.AddArg(v1) v.AddArg(v0) return true } // match: (CMPshiftRL x (MOVDconst [c]) [d]) // cond: // result: (CMPconst x [int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64CMPconst) v.AuxInt = int64(uint64(c) >> uint64(d)) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64CSEL_0(v *Value) bool { // match: (CSEL {cc} x (MOVDconst [0]) flag) // cond: // result: (CSEL0 {cc} x flag) for { cc := v.Aux _ = v.Args[2] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 0 { break } flag := v.Args[2] v.reset(OpARM64CSEL0) v.Aux = cc v.AddArg(x) v.AddArg(flag) return true } // match: (CSEL {cc} (MOVDconst [0]) y flag) // cond: // result: (CSEL0 {arm64Negate(cc.(Op))} y flag) for { cc := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } if v_0.AuxInt != 0 { break } y := v.Args[1] flag := v.Args[2] v.reset(OpARM64CSEL0) v.Aux = arm64Negate(cc.(Op)) v.AddArg(y) v.AddArg(flag) return true } // match: (CSEL {cc} x y (InvertFlags cmp)) // cond: // result: (CSEL {arm64Invert(cc.(Op))} x y cmp) for { cc := v.Aux _ = v.Args[2] x := v.Args[0] y := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64InvertFlags { break } cmp := v_2.Args[0] v.reset(OpARM64CSEL) v.Aux = arm64Invert(cc.(Op)) v.AddArg(x) v.AddArg(y) v.AddArg(cmp) return true } // match: (CSEL {cc} x _ flag) // cond: ccARM64Eval(cc, flag) > 0 // result: x for { cc := v.Aux _ = v.Args[2] x := v.Args[0] flag := v.Args[2] if !(ccARM64Eval(cc, flag) > 0) { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (CSEL {cc} _ y flag) // cond: ccARM64Eval(cc, flag) < 0 // result: y for { cc := v.Aux _ = v.Args[2] y := v.Args[1] flag := v.Args[2] if !(ccARM64Eval(cc, flag) < 0) { break } v.reset(OpCopy) v.Type = y.Type v.AddArg(y) return true } // match: (CSEL {cc} x y (CMPWconst [0] bool)) // cond: cc.(Op) == OpARM64NotEqual && flagArg(bool) != nil // result: (CSEL {bool.Op} x y flagArg(bool)) for { cc := v.Aux _ = v.Args[2] x := v.Args[0] y := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64CMPWconst { break } if v_2.AuxInt != 0 { break } bool := v_2.Args[0] if !(cc.(Op) == OpARM64NotEqual && flagArg(bool) != nil) { break } v.reset(OpARM64CSEL) v.Aux = bool.Op v.AddArg(x) v.AddArg(y) v.AddArg(flagArg(bool)) return true } // match: (CSEL {cc} x y (CMPWconst [0] bool)) // cond: cc.(Op) == OpARM64Equal && flagArg(bool) != nil // result: (CSEL {arm64Negate(bool.Op)} x y flagArg(bool)) for { cc := v.Aux _ = v.Args[2] x := v.Args[0] y := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64CMPWconst { break } if v_2.AuxInt != 0 { break } bool := v_2.Args[0] if !(cc.(Op) == OpARM64Equal && flagArg(bool) != nil) { break } v.reset(OpARM64CSEL) v.Aux = arm64Negate(bool.Op) v.AddArg(x) v.AddArg(y) v.AddArg(flagArg(bool)) return true } return false } func rewriteValueARM64_OpARM64CSEL0_0(v *Value) bool { // match: (CSEL0 {cc} x (InvertFlags cmp)) // cond: // result: (CSEL0 {arm64Invert(cc.(Op))} x cmp) for { cc := v.Aux _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64InvertFlags { break } cmp := v_1.Args[0] v.reset(OpARM64CSEL0) v.Aux = arm64Invert(cc.(Op)) v.AddArg(x) v.AddArg(cmp) return true } // match: (CSEL0 {cc} x flag) // cond: ccARM64Eval(cc, flag) > 0 // result: x for { cc := v.Aux _ = v.Args[1] x := v.Args[0] flag := v.Args[1] if !(ccARM64Eval(cc, flag) > 0) { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (CSEL0 {cc} _ flag) // cond: ccARM64Eval(cc, flag) < 0 // result: (MOVDconst [0]) for { cc := v.Aux _ = v.Args[1] flag := v.Args[1] if !(ccARM64Eval(cc, flag) < 0) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (CSEL0 {cc} x (CMPWconst [0] bool)) // cond: cc.(Op) == OpARM64NotEqual && flagArg(bool) != nil // result: (CSEL0 {bool.Op} x flagArg(bool)) for { cc := v.Aux _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CMPWconst { break } if v_1.AuxInt != 0 { break } bool := v_1.Args[0] if !(cc.(Op) == OpARM64NotEqual && flagArg(bool) != nil) { break } v.reset(OpARM64CSEL0) v.Aux = bool.Op v.AddArg(x) v.AddArg(flagArg(bool)) return true } // match: (CSEL0 {cc} x (CMPWconst [0] bool)) // cond: cc.(Op) == OpARM64Equal && flagArg(bool) != nil // result: (CSEL0 {arm64Negate(bool.Op)} x flagArg(bool)) for { cc := v.Aux _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CMPWconst { break } if v_1.AuxInt != 0 { break } bool := v_1.Args[0] if !(cc.(Op) == OpARM64Equal && flagArg(bool) != nil) { break } v.reset(OpARM64CSEL0) v.Aux = arm64Negate(bool.Op) v.AddArg(x) v.AddArg(flagArg(bool)) return true } return false } func rewriteValueARM64_OpARM64DIV_0(v *Value) bool { // match: (DIV (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [c/d]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = c / d return true } return false } func rewriteValueARM64_OpARM64DIVW_0(v *Value) bool { // match: (DIVW (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [int64(int32(c)/int32(d))]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(int32(c) / int32(d)) return true } return false } func rewriteValueARM64_OpARM64EON_0(v *Value) bool { // match: (EON x (MOVDconst [c])) // cond: // result: (XORconst [^c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64XORconst) v.AuxInt = ^c v.AddArg(x) return true } // match: (EON x x) // cond: // result: (MOVDconst [-1]) for { _ = v.Args[1] x := v.Args[0] if x != v.Args[1] { break } v.reset(OpARM64MOVDconst) v.AuxInt = -1 return true } // match: (EON x0 x1:(SLLconst [c] y)) // cond: clobberIfDead(x1) // result: (EONshiftLL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64EONshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (EON x0 x1:(SRLconst [c] y)) // cond: clobberIfDead(x1) // result: (EONshiftRL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64EONshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (EON x0 x1:(SRAconst [c] y)) // cond: clobberIfDead(x1) // result: (EONshiftRA x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64EONshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64EONshiftLL_0(v *Value) bool { // match: (EONshiftLL x (MOVDconst [c]) [d]) // cond: // result: (XORconst x [^int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64XORconst) v.AuxInt = ^int64(uint64(c) << uint64(d)) v.AddArg(x) return true } // match: (EONshiftLL x (SLLconst x [c]) [d]) // cond: c==d // result: (MOVDconst [-1]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = -1 return true } return false } func rewriteValueARM64_OpARM64EONshiftRA_0(v *Value) bool { // match: (EONshiftRA x (MOVDconst [c]) [d]) // cond: // result: (XORconst x [^(c>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64XORconst) v.AuxInt = ^(c >> uint64(d)) v.AddArg(x) return true } // match: (EONshiftRA x (SRAconst x [c]) [d]) // cond: c==d // result: (MOVDconst [-1]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRAconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = -1 return true } return false } func rewriteValueARM64_OpARM64EONshiftRL_0(v *Value) bool { // match: (EONshiftRL x (MOVDconst [c]) [d]) // cond: // result: (XORconst x [^int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64XORconst) v.AuxInt = ^int64(uint64(c) >> uint64(d)) v.AddArg(x) return true } // match: (EONshiftRL x (SRLconst x [c]) [d]) // cond: c==d // result: (MOVDconst [-1]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = -1 return true } return false } func rewriteValueARM64_OpARM64Equal_0(v *Value) bool { // match: (Equal (FlagEQ)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagEQ { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (Equal (FlagLT_ULT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (Equal (FlagLT_UGT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (Equal (FlagGT_ULT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (Equal (FlagGT_UGT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (Equal (InvertFlags x)) // cond: // result: (Equal x) for { v_0 := v.Args[0] if v_0.Op != OpARM64InvertFlags { break } x := v_0.Args[0] v.reset(OpARM64Equal) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64FADDD_0(v *Value) bool { // match: (FADDD a (FMULD x y)) // cond: // result: (FMADDD a x y) for { _ = v.Args[1] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FMULD { break } _ = v_1.Args[1] x := v_1.Args[0] y := v_1.Args[1] v.reset(OpARM64FMADDD) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FADDD (FMULD x y) a) // cond: // result: (FMADDD a x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FMULD { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] a := v.Args[1] v.reset(OpARM64FMADDD) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FADDD a (FNMULD x y)) // cond: // result: (FMSUBD a x y) for { _ = v.Args[1] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FNMULD { break } _ = v_1.Args[1] x := v_1.Args[0] y := v_1.Args[1] v.reset(OpARM64FMSUBD) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FADDD (FNMULD x y) a) // cond: // result: (FMSUBD a x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FNMULD { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] a := v.Args[1] v.reset(OpARM64FMSUBD) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64FADDS_0(v *Value) bool { // match: (FADDS a (FMULS x y)) // cond: // result: (FMADDS a x y) for { _ = v.Args[1] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FMULS { break } _ = v_1.Args[1] x := v_1.Args[0] y := v_1.Args[1] v.reset(OpARM64FMADDS) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FADDS (FMULS x y) a) // cond: // result: (FMADDS a x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FMULS { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] a := v.Args[1] v.reset(OpARM64FMADDS) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FADDS a (FNMULS x y)) // cond: // result: (FMSUBS a x y) for { _ = v.Args[1] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FNMULS { break } _ = v_1.Args[1] x := v_1.Args[0] y := v_1.Args[1] v.reset(OpARM64FMSUBS) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FADDS (FNMULS x y) a) // cond: // result: (FMSUBS a x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FNMULS { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] a := v.Args[1] v.reset(OpARM64FMSUBS) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64FMOVDfpgp_0(v *Value) bool { b := v.Block _ = b // match: (FMOVDfpgp <t> (Arg [off] {sym})) // cond: // result: @b.Func.Entry (Arg <t> [off] {sym}) for { t := v.Type v_0 := v.Args[0] if v_0.Op != OpArg { break } off := v_0.AuxInt sym := v_0.Aux b = b.Func.Entry v0 := b.NewValue0(v.Pos, OpArg, t) v.reset(OpCopy) v.AddArg(v0) v0.AuxInt = off v0.Aux = sym return true } return false } func rewriteValueARM64_OpARM64FMOVDgpfp_0(v *Value) bool { b := v.Block _ = b // match: (FMOVDgpfp <t> (Arg [off] {sym})) // cond: // result: @b.Func.Entry (Arg <t> [off] {sym}) for { t := v.Type v_0 := v.Args[0] if v_0.Op != OpArg { break } off := v_0.AuxInt sym := v_0.Aux b = b.Func.Entry v0 := b.NewValue0(v.Pos, OpArg, t) v.reset(OpCopy) v.AddArg(v0) v0.AuxInt = off v0.Aux = sym return true } return false } func rewriteValueARM64_OpARM64FMOVDload_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (FMOVDload [off] {sym} ptr (MOVDstore [off] {sym} ptr val _)) // cond: // result: (FMOVDgpfp val) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDstore { break } if v_1.AuxInt != off { break } if v_1.Aux != sym { break } _ = v_1.Args[2] if ptr != v_1.Args[0] { break } val := v_1.Args[1] v.reset(OpARM64FMOVDgpfp) v.AddArg(val) return true } // match: (FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (FMOVDload [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64FMOVDload) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (FMOVDload [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (FMOVDloadidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64FMOVDloadidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64FMOVDload) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64FMOVDloadidx_0(v *Value) bool { // match: (FMOVDloadidx ptr (MOVDconst [c]) mem) // cond: // result: (FMOVDload [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64FMOVDload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (FMOVDloadidx (MOVDconst [c]) ptr mem) // cond: // result: (FMOVDload [c] ptr mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64FMOVDload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64FMOVDstore_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (FMOVDstore [off] {sym} ptr (FMOVDgpfp val) mem) // cond: // result: (MOVDstore [off] {sym} ptr val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FMOVDgpfp { break } val := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVDstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (FMOVDstore [off1+off2] {sym} ptr val mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64FMOVDstore) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem) // cond: off == 0 && sym == nil // result: (FMOVDstoreidx ptr idx val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] val := v.Args[1] mem := v.Args[2] if !(off == 0 && sym == nil) { break } v.reset(OpARM64FMOVDstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64FMOVDstore) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64FMOVDstoreidx_0(v *Value) bool { // match: (FMOVDstoreidx ptr (MOVDconst [c]) val mem) // cond: // result: (FMOVDstore [c] ptr val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt val := v.Args[2] mem := v.Args[3] v.reset(OpARM64FMOVDstore) v.AuxInt = c v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (FMOVDstoreidx (MOVDconst [c]) idx val mem) // cond: // result: (FMOVDstore [c] idx val mem) for { _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt idx := v.Args[1] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64FMOVDstore) v.AuxInt = c v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64FMOVSload_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (FMOVSload [off] {sym} ptr (MOVWstore [off] {sym} ptr val _)) // cond: // result: (FMOVSgpfp val) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWstore { break } if v_1.AuxInt != off { break } if v_1.Aux != sym { break } _ = v_1.Args[2] if ptr != v_1.Args[0] { break } val := v_1.Args[1] v.reset(OpARM64FMOVSgpfp) v.AddArg(val) return true } // match: (FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (FMOVSload [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64FMOVSload) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (FMOVSload [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (FMOVSloadidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64FMOVSloadidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64FMOVSload) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64FMOVSloadidx_0(v *Value) bool { // match: (FMOVSloadidx ptr (MOVDconst [c]) mem) // cond: // result: (FMOVSload [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64FMOVSload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (FMOVSloadidx (MOVDconst [c]) ptr mem) // cond: // result: (FMOVSload [c] ptr mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64FMOVSload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64FMOVSstore_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (FMOVSstore [off] {sym} ptr (FMOVSgpfp val) mem) // cond: // result: (MOVWstore [off] {sym} ptr val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FMOVSgpfp { break } val := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVWstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (FMOVSstore [off1+off2] {sym} ptr val mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64FMOVSstore) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem) // cond: off == 0 && sym == nil // result: (FMOVSstoreidx ptr idx val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] val := v.Args[1] mem := v.Args[2] if !(off == 0 && sym == nil) { break } v.reset(OpARM64FMOVSstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64FMOVSstore) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64FMOVSstoreidx_0(v *Value) bool { // match: (FMOVSstoreidx ptr (MOVDconst [c]) val mem) // cond: // result: (FMOVSstore [c] ptr val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt val := v.Args[2] mem := v.Args[3] v.reset(OpARM64FMOVSstore) v.AuxInt = c v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (FMOVSstoreidx (MOVDconst [c]) idx val mem) // cond: // result: (FMOVSstore [c] idx val mem) for { _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt idx := v.Args[1] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64FMOVSstore) v.AuxInt = c v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64FMULD_0(v *Value) bool { // match: (FMULD (FNEGD x) y) // cond: // result: (FNMULD x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FNEGD { break } x := v_0.Args[0] y := v.Args[1] v.reset(OpARM64FNMULD) v.AddArg(x) v.AddArg(y) return true } // match: (FMULD y (FNEGD x)) // cond: // result: (FNMULD x y) for { _ = v.Args[1] y := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FNEGD { break } x := v_1.Args[0] v.reset(OpARM64FNMULD) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64FMULS_0(v *Value) bool { // match: (FMULS (FNEGS x) y) // cond: // result: (FNMULS x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FNEGS { break } x := v_0.Args[0] y := v.Args[1] v.reset(OpARM64FNMULS) v.AddArg(x) v.AddArg(y) return true } // match: (FMULS y (FNEGS x)) // cond: // result: (FNMULS x y) for { _ = v.Args[1] y := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FNEGS { break } x := v_1.Args[0] v.reset(OpARM64FNMULS) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64FNEGD_0(v *Value) bool { // match: (FNEGD (FMULD x y)) // cond: // result: (FNMULD x y) for { v_0 := v.Args[0] if v_0.Op != OpARM64FMULD { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] v.reset(OpARM64FNMULD) v.AddArg(x) v.AddArg(y) return true } // match: (FNEGD (FNMULD x y)) // cond: // result: (FMULD x y) for { v_0 := v.Args[0] if v_0.Op != OpARM64FNMULD { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] v.reset(OpARM64FMULD) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64FNEGS_0(v *Value) bool { // match: (FNEGS (FMULS x y)) // cond: // result: (FNMULS x y) for { v_0 := v.Args[0] if v_0.Op != OpARM64FMULS { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] v.reset(OpARM64FNMULS) v.AddArg(x) v.AddArg(y) return true } // match: (FNEGS (FNMULS x y)) // cond: // result: (FMULS x y) for { v_0 := v.Args[0] if v_0.Op != OpARM64FNMULS { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] v.reset(OpARM64FMULS) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64FNMULD_0(v *Value) bool { // match: (FNMULD (FNEGD x) y) // cond: // result: (FMULD x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FNEGD { break } x := v_0.Args[0] y := v.Args[1] v.reset(OpARM64FMULD) v.AddArg(x) v.AddArg(y) return true } // match: (FNMULD y (FNEGD x)) // cond: // result: (FMULD x y) for { _ = v.Args[1] y := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FNEGD { break } x := v_1.Args[0] v.reset(OpARM64FMULD) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64FNMULS_0(v *Value) bool { // match: (FNMULS (FNEGS x) y) // cond: // result: (FMULS x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FNEGS { break } x := v_0.Args[0] y := v.Args[1] v.reset(OpARM64FMULS) v.AddArg(x) v.AddArg(y) return true } // match: (FNMULS y (FNEGS x)) // cond: // result: (FMULS x y) for { _ = v.Args[1] y := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FNEGS { break } x := v_1.Args[0] v.reset(OpARM64FMULS) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64FSUBD_0(v *Value) bool { // match: (FSUBD a (FMULD x y)) // cond: // result: (FMSUBD a x y) for { _ = v.Args[1] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FMULD { break } _ = v_1.Args[1] x := v_1.Args[0] y := v_1.Args[1] v.reset(OpARM64FMSUBD) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FSUBD (FMULD x y) a) // cond: // result: (FNMSUBD a x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FMULD { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] a := v.Args[1] v.reset(OpARM64FNMSUBD) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FSUBD a (FNMULD x y)) // cond: // result: (FMADDD a x y) for { _ = v.Args[1] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FNMULD { break } _ = v_1.Args[1] x := v_1.Args[0] y := v_1.Args[1] v.reset(OpARM64FMADDD) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FSUBD (FNMULD x y) a) // cond: // result: (FNMADDD a x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FNMULD { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] a := v.Args[1] v.reset(OpARM64FNMADDD) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64FSUBS_0(v *Value) bool { // match: (FSUBS a (FMULS x y)) // cond: // result: (FMSUBS a x y) for { _ = v.Args[1] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FMULS { break } _ = v_1.Args[1] x := v_1.Args[0] y := v_1.Args[1] v.reset(OpARM64FMSUBS) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FSUBS (FMULS x y) a) // cond: // result: (FNMSUBS a x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FMULS { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] a := v.Args[1] v.reset(OpARM64FNMSUBS) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FSUBS a (FNMULS x y)) // cond: // result: (FMADDS a x y) for { _ = v.Args[1] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FNMULS { break } _ = v_1.Args[1] x := v_1.Args[0] y := v_1.Args[1] v.reset(OpARM64FMADDS) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (FSUBS (FNMULS x y) a) // cond: // result: (FNMADDS a x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64FNMULS { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] a := v.Args[1] v.reset(OpARM64FNMADDS) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64GreaterEqual_0(v *Value) bool { // match: (GreaterEqual (FlagEQ)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagEQ { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (GreaterEqual (FlagLT_ULT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (GreaterEqual (FlagLT_UGT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (GreaterEqual (FlagGT_ULT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (GreaterEqual (FlagGT_UGT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (GreaterEqual (InvertFlags x)) // cond: // result: (LessEqual x) for { v_0 := v.Args[0] if v_0.Op != OpARM64InvertFlags { break } x := v_0.Args[0] v.reset(OpARM64LessEqual) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64GreaterEqualU_0(v *Value) bool { // match: (GreaterEqualU (FlagEQ)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagEQ { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (GreaterEqualU (FlagLT_ULT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (GreaterEqualU (FlagLT_UGT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (GreaterEqualU (FlagGT_ULT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (GreaterEqualU (FlagGT_UGT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (GreaterEqualU (InvertFlags x)) // cond: // result: (LessEqualU x) for { v_0 := v.Args[0] if v_0.Op != OpARM64InvertFlags { break } x := v_0.Args[0] v.reset(OpARM64LessEqualU) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64GreaterThan_0(v *Value) bool { // match: (GreaterThan (FlagEQ)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagEQ { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (GreaterThan (FlagLT_ULT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (GreaterThan (FlagLT_UGT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (GreaterThan (FlagGT_ULT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (GreaterThan (FlagGT_UGT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (GreaterThan (InvertFlags x)) // cond: // result: (LessThan x) for { v_0 := v.Args[0] if v_0.Op != OpARM64InvertFlags { break } x := v_0.Args[0] v.reset(OpARM64LessThan) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64GreaterThanU_0(v *Value) bool { // match: (GreaterThanU (FlagEQ)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagEQ { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (GreaterThanU (FlagLT_ULT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (GreaterThanU (FlagLT_UGT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (GreaterThanU (FlagGT_ULT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (GreaterThanU (FlagGT_UGT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (GreaterThanU (InvertFlags x)) // cond: // result: (LessThanU x) for { v_0 := v.Args[0] if v_0.Op != OpARM64InvertFlags { break } x := v_0.Args[0] v.reset(OpARM64LessThanU) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64LessEqual_0(v *Value) bool { // match: (LessEqual (FlagEQ)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagEQ { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (LessEqual (FlagLT_ULT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (LessEqual (FlagLT_UGT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (LessEqual (FlagGT_ULT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (LessEqual (FlagGT_UGT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (LessEqual (InvertFlags x)) // cond: // result: (GreaterEqual x) for { v_0 := v.Args[0] if v_0.Op != OpARM64InvertFlags { break } x := v_0.Args[0] v.reset(OpARM64GreaterEqual) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64LessEqualU_0(v *Value) bool { // match: (LessEqualU (FlagEQ)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagEQ { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (LessEqualU (FlagLT_ULT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (LessEqualU (FlagLT_UGT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (LessEqualU (FlagGT_ULT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (LessEqualU (FlagGT_UGT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (LessEqualU (InvertFlags x)) // cond: // result: (GreaterEqualU x) for { v_0 := v.Args[0] if v_0.Op != OpARM64InvertFlags { break } x := v_0.Args[0] v.reset(OpARM64GreaterEqualU) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64LessThan_0(v *Value) bool { // match: (LessThan (FlagEQ)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagEQ { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (LessThan (FlagLT_ULT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (LessThan (FlagLT_UGT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (LessThan (FlagGT_ULT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (LessThan (FlagGT_UGT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (LessThan (InvertFlags x)) // cond: // result: (GreaterThan x) for { v_0 := v.Args[0] if v_0.Op != OpARM64InvertFlags { break } x := v_0.Args[0] v.reset(OpARM64GreaterThan) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64LessThanU_0(v *Value) bool { // match: (LessThanU (FlagEQ)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagEQ { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (LessThanU (FlagLT_ULT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (LessThanU (FlagLT_UGT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (LessThanU (FlagGT_ULT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (LessThanU (FlagGT_UGT)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (LessThanU (InvertFlags x)) // cond: // result: (GreaterThanU x) for { v_0 := v.Args[0] if v_0.Op != OpARM64InvertFlags { break } x := v_0.Args[0] v.reset(OpARM64GreaterThanU) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MADD_0(v *Value) bool { b := v.Block _ = b // match: (MADD a x (MOVDconst [-1])) // cond: // result: (SUB a x) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != -1 { break } v.reset(OpARM64SUB) v.AddArg(a) v.AddArg(x) return true } // match: (MADD a _ (MOVDconst [0])) // cond: // result: a for { _ = v.Args[2] a := v.Args[0] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 0 { break } v.reset(OpCopy) v.Type = a.Type v.AddArg(a) return true } // match: (MADD a x (MOVDconst [1])) // cond: // result: (ADD a x) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 1 { break } v.reset(OpARM64ADD) v.AddArg(a) v.AddArg(x) return true } // match: (MADD a x (MOVDconst [c])) // cond: isPowerOfTwo(c) // result: (ADDshiftLL a x [log2(c)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c) v.AddArg(a) v.AddArg(x) return true } // match: (MADD a x (MOVDconst [c])) // cond: isPowerOfTwo(c-1) && c>=3 // result: (ADD a (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c-1) && c >= 3) { break } v.reset(OpARM64ADD) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADD a x (MOVDconst [c])) // cond: isPowerOfTwo(c+1) && c>=7 // result: (SUB a (SUBshiftLL <x.Type> x x [log2(c+1)])) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c+1) && c >= 7) { break } v.reset(OpARM64SUB) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = log2(c + 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADD a x (MOVDconst [c])) // cond: c%3 == 0 && isPowerOfTwo(c/3) // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log2(c/3)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%3 == 0 && isPowerOfTwo(c/3)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 3) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADD a x (MOVDconst [c])) // cond: c%5 == 0 && isPowerOfTwo(c/5) // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log2(c/5)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%5 == 0 && isPowerOfTwo(c/5)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 5) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADD a x (MOVDconst [c])) // cond: c%7 == 0 && isPowerOfTwo(c/7) // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log2(c/7)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%7 == 0 && isPowerOfTwo(c/7)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 7) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADD a x (MOVDconst [c])) // cond: c%9 == 0 && isPowerOfTwo(c/9) // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log2(c/9)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%9 == 0 && isPowerOfTwo(c/9)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 9) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MADD_10(v *Value) bool { b := v.Block _ = b // match: (MADD a (MOVDconst [-1]) x) // cond: // result: (SUB a x) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != -1 { break } x := v.Args[2] v.reset(OpARM64SUB) v.AddArg(a) v.AddArg(x) return true } // match: (MADD a (MOVDconst [0]) _) // cond: // result: a for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 0 { break } v.reset(OpCopy) v.Type = a.Type v.AddArg(a) return true } // match: (MADD a (MOVDconst [1]) x) // cond: // result: (ADD a x) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 1 { break } x := v.Args[2] v.reset(OpARM64ADD) v.AddArg(a) v.AddArg(x) return true } // match: (MADD a (MOVDconst [c]) x) // cond: isPowerOfTwo(c) // result: (ADDshiftLL a x [log2(c)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c) v.AddArg(a) v.AddArg(x) return true } // match: (MADD a (MOVDconst [c]) x) // cond: isPowerOfTwo(c-1) && c>=3 // result: (ADD a (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c-1) && c >= 3) { break } v.reset(OpARM64ADD) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADD a (MOVDconst [c]) x) // cond: isPowerOfTwo(c+1) && c>=7 // result: (SUB a (SUBshiftLL <x.Type> x x [log2(c+1)])) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c+1) && c >= 7) { break } v.reset(OpARM64SUB) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = log2(c + 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADD a (MOVDconst [c]) x) // cond: c%3 == 0 && isPowerOfTwo(c/3) // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log2(c/3)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%3 == 0 && isPowerOfTwo(c/3)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 3) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADD a (MOVDconst [c]) x) // cond: c%5 == 0 && isPowerOfTwo(c/5) // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log2(c/5)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%5 == 0 && isPowerOfTwo(c/5)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 5) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADD a (MOVDconst [c]) x) // cond: c%7 == 0 && isPowerOfTwo(c/7) // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log2(c/7)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%7 == 0 && isPowerOfTwo(c/7)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 7) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADD a (MOVDconst [c]) x) // cond: c%9 == 0 && isPowerOfTwo(c/9) // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log2(c/9)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%9 == 0 && isPowerOfTwo(c/9)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 9) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MADD_20(v *Value) bool { b := v.Block _ = b // match: (MADD (MOVDconst [c]) x y) // cond: // result: (ADDconst [c] (MUL <x.Type> x y)) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] y := v.Args[2] v.reset(OpARM64ADDconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } // match: (MADD a (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (ADDconst [c*d] a) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } d := v_2.AuxInt v.reset(OpARM64ADDconst) v.AuxInt = c * d v.AddArg(a) return true } return false } func rewriteValueARM64_OpARM64MADDW_0(v *Value) bool { b := v.Block _ = b // match: (MADDW a x (MOVDconst [c])) // cond: int32(c)==-1 // result: (SUB a x) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(int32(c) == -1) { break } v.reset(OpARM64SUB) v.AddArg(a) v.AddArg(x) return true } // match: (MADDW a _ (MOVDconst [c])) // cond: int32(c)==0 // result: a for { _ = v.Args[2] a := v.Args[0] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(int32(c) == 0) { break } v.reset(OpCopy) v.Type = a.Type v.AddArg(a) return true } // match: (MADDW a x (MOVDconst [c])) // cond: int32(c)==1 // result: (ADD a x) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(int32(c) == 1) { break } v.reset(OpARM64ADD) v.AddArg(a) v.AddArg(x) return true } // match: (MADDW a x (MOVDconst [c])) // cond: isPowerOfTwo(c) // result: (ADDshiftLL a x [log2(c)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c) v.AddArg(a) v.AddArg(x) return true } // match: (MADDW a x (MOVDconst [c])) // cond: isPowerOfTwo(c-1) && int32(c)>=3 // result: (ADD a (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c-1) && int32(c) >= 3) { break } v.reset(OpARM64ADD) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADDW a x (MOVDconst [c])) // cond: isPowerOfTwo(c+1) && int32(c)>=7 // result: (SUB a (SUBshiftLL <x.Type> x x [log2(c+1)])) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c+1) && int32(c) >= 7) { break } v.reset(OpARM64SUB) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = log2(c + 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADDW a x (MOVDconst [c])) // cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c) // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log2(c/3)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 3) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADDW a x (MOVDconst [c])) // cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c) // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log2(c/5)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 5) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADDW a x (MOVDconst [c])) // cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c) // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log2(c/7)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 7) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADDW a x (MOVDconst [c])) // cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c) // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log2(c/9)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 9) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MADDW_10(v *Value) bool { b := v.Block _ = b // match: (MADDW a (MOVDconst [c]) x) // cond: int32(c)==-1 // result: (SUB a x) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(int32(c) == -1) { break } v.reset(OpARM64SUB) v.AddArg(a) v.AddArg(x) return true } // match: (MADDW a (MOVDconst [c]) _) // cond: int32(c)==0 // result: a for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(int32(c) == 0) { break } v.reset(OpCopy) v.Type = a.Type v.AddArg(a) return true } // match: (MADDW a (MOVDconst [c]) x) // cond: int32(c)==1 // result: (ADD a x) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(int32(c) == 1) { break } v.reset(OpARM64ADD) v.AddArg(a) v.AddArg(x) return true } // match: (MADDW a (MOVDconst [c]) x) // cond: isPowerOfTwo(c) // result: (ADDshiftLL a x [log2(c)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c) v.AddArg(a) v.AddArg(x) return true } // match: (MADDW a (MOVDconst [c]) x) // cond: isPowerOfTwo(c-1) && int32(c)>=3 // result: (ADD a (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c-1) && int32(c) >= 3) { break } v.reset(OpARM64ADD) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADDW a (MOVDconst [c]) x) // cond: isPowerOfTwo(c+1) && int32(c)>=7 // result: (SUB a (SUBshiftLL <x.Type> x x [log2(c+1)])) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c+1) && int32(c) >= 7) { break } v.reset(OpARM64SUB) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = log2(c + 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADDW a (MOVDconst [c]) x) // cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c) // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log2(c/3)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 3) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADDW a (MOVDconst [c]) x) // cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c) // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log2(c/5)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 5) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADDW a (MOVDconst [c]) x) // cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c) // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log2(c/7)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 7) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MADDW a (MOVDconst [c]) x) // cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c) // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log2(c/9)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 9) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MADDW_20(v *Value) bool { b := v.Block _ = b // match: (MADDW (MOVDconst [c]) x y) // cond: // result: (ADDconst [c] (MULW <x.Type> x y)) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] y := v.Args[2] v.reset(OpARM64ADDconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } // match: (MADDW a (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (ADDconst [int64(int32(c)*int32(d))] a) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } d := v_2.AuxInt v.reset(OpARM64ADDconst) v.AuxInt = int64(int32(c) * int32(d)) v.AddArg(a) return true } return false } func rewriteValueARM64_OpARM64MNEG_0(v *Value) bool { b := v.Block _ = b // match: (MNEG x (MOVDconst [-1])) // cond: // result: x for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != -1 { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (MNEG (MOVDconst [-1]) x) // cond: // result: x for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } if v_0.AuxInt != -1 { break } x := v.Args[1] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (MNEG _ (MOVDconst [0])) // cond: // result: (MOVDconst [0]) for { _ = v.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 0 { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MNEG (MOVDconst [0]) _) // cond: // result: (MOVDconst [0]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } if v_0.AuxInt != 0 { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MNEG x (MOVDconst [1])) // cond: // result: (NEG x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 1 { break } v.reset(OpARM64NEG) v.AddArg(x) return true } // match: (MNEG (MOVDconst [1]) x) // cond: // result: (NEG x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } if v_0.AuxInt != 1 { break } x := v.Args[1] v.reset(OpARM64NEG) v.AddArg(x) return true } // match: (MNEG x (MOVDconst [c])) // cond: isPowerOfTwo(c) // result: (NEG (SLLconst <x.Type> [log2(c)] x)) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEG (MOVDconst [c]) x) // cond: isPowerOfTwo(c) // result: (NEG (SLLconst <x.Type> [log2(c)] x)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEG x (MOVDconst [c])) // cond: isPowerOfTwo(c-1) && c >= 3 // result: (NEG (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c-1) && c >= 3) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEG (MOVDconst [c]) x) // cond: isPowerOfTwo(c-1) && c >= 3 // result: (NEG (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c-1) && c >= 3) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MNEG_10(v *Value) bool { b := v.Block _ = b // match: (MNEG x (MOVDconst [c])) // cond: isPowerOfTwo(c+1) && c >= 7 // result: (NEG (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log2(c+1)])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c+1) && c >= 7) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c + 1) v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v1.AddArg(x) v0.AddArg(v1) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEG (MOVDconst [c]) x) // cond: isPowerOfTwo(c+1) && c >= 7 // result: (NEG (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log2(c+1)])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c+1) && c >= 7) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c + 1) v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v1.AddArg(x) v0.AddArg(v1) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEG x (MOVDconst [c])) // cond: c%3 == 0 && isPowerOfTwo(c/3) // result: (SLLconst <x.Type> [log2(c/3)] (SUBshiftLL <x.Type> x x [2])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%3 == 0 && isPowerOfTwo(c/3)) { break } v.reset(OpARM64SLLconst) v.Type = x.Type v.AuxInt = log2(c / 3) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEG (MOVDconst [c]) x) // cond: c%3 == 0 && isPowerOfTwo(c/3) // result: (SLLconst <x.Type> [log2(c/3)] (SUBshiftLL <x.Type> x x [2])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%3 == 0 && isPowerOfTwo(c/3)) { break } v.reset(OpARM64SLLconst) v.Type = x.Type v.AuxInt = log2(c / 3) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEG x (MOVDconst [c])) // cond: c%5 == 0 && isPowerOfTwo(c/5) // result: (NEG (SLLconst <x.Type> [log2(c/5)] (ADDshiftLL <x.Type> x x [2]))) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%5 == 0 && isPowerOfTwo(c/5)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c / 5) v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v1.AuxInt = 2 v1.AddArg(x) v1.AddArg(x) v0.AddArg(v1) v.AddArg(v0) return true } // match: (MNEG (MOVDconst [c]) x) // cond: c%5 == 0 && isPowerOfTwo(c/5) // result: (NEG (SLLconst <x.Type> [log2(c/5)] (ADDshiftLL <x.Type> x x [2]))) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%5 == 0 && isPowerOfTwo(c/5)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c / 5) v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v1.AuxInt = 2 v1.AddArg(x) v1.AddArg(x) v0.AddArg(v1) v.AddArg(v0) return true } // match: (MNEG x (MOVDconst [c])) // cond: c%7 == 0 && isPowerOfTwo(c/7) // result: (SLLconst <x.Type> [log2(c/7)] (SUBshiftLL <x.Type> x x [3])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%7 == 0 && isPowerOfTwo(c/7)) { break } v.reset(OpARM64SLLconst) v.Type = x.Type v.AuxInt = log2(c / 7) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEG (MOVDconst [c]) x) // cond: c%7 == 0 && isPowerOfTwo(c/7) // result: (SLLconst <x.Type> [log2(c/7)] (SUBshiftLL <x.Type> x x [3])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%7 == 0 && isPowerOfTwo(c/7)) { break } v.reset(OpARM64SLLconst) v.Type = x.Type v.AuxInt = log2(c / 7) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEG x (MOVDconst [c])) // cond: c%9 == 0 && isPowerOfTwo(c/9) // result: (NEG (SLLconst <x.Type> [log2(c/9)] (ADDshiftLL <x.Type> x x [3]))) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%9 == 0 && isPowerOfTwo(c/9)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c / 9) v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v1.AuxInt = 3 v1.AddArg(x) v1.AddArg(x) v0.AddArg(v1) v.AddArg(v0) return true } // match: (MNEG (MOVDconst [c]) x) // cond: c%9 == 0 && isPowerOfTwo(c/9) // result: (NEG (SLLconst <x.Type> [log2(c/9)] (ADDshiftLL <x.Type> x x [3]))) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%9 == 0 && isPowerOfTwo(c/9)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c / 9) v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v1.AuxInt = 3 v1.AddArg(x) v1.AddArg(x) v0.AddArg(v1) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MNEG_20(v *Value) bool { // match: (MNEG (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [-c*d]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = -c * d return true } // match: (MNEG (MOVDconst [d]) (MOVDconst [c])) // cond: // result: (MOVDconst [-c*d]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = -c * d return true } return false } func rewriteValueARM64_OpARM64MNEGW_0(v *Value) bool { b := v.Block _ = b // match: (MNEGW x (MOVDconst [c])) // cond: int32(c)==-1 // result: x for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(int32(c) == -1) { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (MNEGW (MOVDconst [c]) x) // cond: int32(c)==-1 // result: x for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(int32(c) == -1) { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (MNEGW _ (MOVDconst [c])) // cond: int32(c)==0 // result: (MOVDconst [0]) for { _ = v.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(int32(c) == 0) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MNEGW (MOVDconst [c]) _) // cond: int32(c)==0 // result: (MOVDconst [0]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt if !(int32(c) == 0) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MNEGW x (MOVDconst [c])) // cond: int32(c)==1 // result: (NEG x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(int32(c) == 1) { break } v.reset(OpARM64NEG) v.AddArg(x) return true } // match: (MNEGW (MOVDconst [c]) x) // cond: int32(c)==1 // result: (NEG x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(int32(c) == 1) { break } v.reset(OpARM64NEG) v.AddArg(x) return true } // match: (MNEGW x (MOVDconst [c])) // cond: isPowerOfTwo(c) // result: (NEG (SLLconst <x.Type> [log2(c)] x)) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEGW (MOVDconst [c]) x) // cond: isPowerOfTwo(c) // result: (NEG (SLLconst <x.Type> [log2(c)] x)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEGW x (MOVDconst [c])) // cond: isPowerOfTwo(c-1) && int32(c) >= 3 // result: (NEG (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c-1) && int32(c) >= 3) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEGW (MOVDconst [c]) x) // cond: isPowerOfTwo(c-1) && int32(c) >= 3 // result: (NEG (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c-1) && int32(c) >= 3) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MNEGW_10(v *Value) bool { b := v.Block _ = b // match: (MNEGW x (MOVDconst [c])) // cond: isPowerOfTwo(c+1) && int32(c) >= 7 // result: (NEG (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log2(c+1)])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c+1) && int32(c) >= 7) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c + 1) v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v1.AddArg(x) v0.AddArg(v1) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEGW (MOVDconst [c]) x) // cond: isPowerOfTwo(c+1) && int32(c) >= 7 // result: (NEG (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log2(c+1)])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c+1) && int32(c) >= 7) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c + 1) v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v1.AddArg(x) v0.AddArg(v1) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEGW x (MOVDconst [c])) // cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c) // result: (SLLconst <x.Type> [log2(c/3)] (SUBshiftLL <x.Type> x x [2])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.Type = x.Type v.AuxInt = log2(c / 3) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEGW (MOVDconst [c]) x) // cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c) // result: (SLLconst <x.Type> [log2(c/3)] (SUBshiftLL <x.Type> x x [2])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.Type = x.Type v.AuxInt = log2(c / 3) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEGW x (MOVDconst [c])) // cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c) // result: (NEG (SLLconst <x.Type> [log2(c/5)] (ADDshiftLL <x.Type> x x [2]))) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c / 5) v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v1.AuxInt = 2 v1.AddArg(x) v1.AddArg(x) v0.AddArg(v1) v.AddArg(v0) return true } // match: (MNEGW (MOVDconst [c]) x) // cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c) // result: (NEG (SLLconst <x.Type> [log2(c/5)] (ADDshiftLL <x.Type> x x [2]))) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c / 5) v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v1.AuxInt = 2 v1.AddArg(x) v1.AddArg(x) v0.AddArg(v1) v.AddArg(v0) return true } // match: (MNEGW x (MOVDconst [c])) // cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c) // result: (SLLconst <x.Type> [log2(c/7)] (SUBshiftLL <x.Type> x x [3])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.Type = x.Type v.AuxInt = log2(c / 7) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEGW (MOVDconst [c]) x) // cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c) // result: (SLLconst <x.Type> [log2(c/7)] (SUBshiftLL <x.Type> x x [3])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.Type = x.Type v.AuxInt = log2(c / 7) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MNEGW x (MOVDconst [c])) // cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c) // result: (NEG (SLLconst <x.Type> [log2(c/9)] (ADDshiftLL <x.Type> x x [3]))) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c / 9) v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v1.AuxInt = 3 v1.AddArg(x) v1.AddArg(x) v0.AddArg(v1) v.AddArg(v0) return true } // match: (MNEGW (MOVDconst [c]) x) // cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c) // result: (NEG (SLLconst <x.Type> [log2(c/9)] (ADDshiftLL <x.Type> x x [3]))) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) { break } v.reset(OpARM64NEG) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = log2(c / 9) v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v1.AuxInt = 3 v1.AddArg(x) v1.AddArg(x) v0.AddArg(v1) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MNEGW_20(v *Value) bool { // match: (MNEGW (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [-int64(int32(c)*int32(d))]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = -int64(int32(c) * int32(d)) return true } // match: (MNEGW (MOVDconst [d]) (MOVDconst [c])) // cond: // result: (MOVDconst [-int64(int32(c)*int32(d))]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = -int64(int32(c) * int32(d)) return true } return false } func rewriteValueARM64_OpARM64MOD_0(v *Value) bool { // match: (MOD (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [c%d]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = c % d return true } return false } func rewriteValueARM64_OpARM64MODW_0(v *Value) bool { // match: (MODW (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [int64(int32(c)%int32(d))]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(int32(c) % int32(d)) return true } return false } func rewriteValueARM64_OpARM64MOVBUload_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVBUload [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVBUload [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVBUload) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBUload [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVBUloadidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVBUloadidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVBUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVBUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVBUload) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBUload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _)) // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) // result: (MOVDconst [0]) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVBstorezero { break } off2 := v_1.AuxInt sym2 := v_1.Aux _ = v_1.Args[1] ptr2 := v_1.Args[0] if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MOVBUload [off] {sym} (SB) _) // cond: symIsRO(sym) // result: (MOVDconst [int64(read8(sym, off))]) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpSB { break } if !(symIsRO(sym)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = int64(read8(sym, off)) return true } return false } func rewriteValueARM64_OpARM64MOVBUloadidx_0(v *Value) bool { // match: (MOVBUloadidx ptr (MOVDconst [c]) mem) // cond: // result: (MOVBUload [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVBUload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBUloadidx (MOVDconst [c]) ptr mem) // cond: // result: (MOVBUload [c] ptr mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVBUload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBUloadidx ptr idx (MOVBstorezeroidx ptr2 idx2 _)) // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVBstorezeroidx { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVBUreg_0(v *Value) bool { // match: (MOVBUreg x:(MOVBUload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVBUreg x:(MOVBUloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVBUreg x:(MOVBUreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVBUreg (ANDconst [c] x)) // cond: // result: (ANDconst [c&(1<<8-1)] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64ANDconst { break } c := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64ANDconst) v.AuxInt = c & (1<<8 - 1) v.AddArg(x) return true } // match: (MOVBUreg (MOVDconst [c])) // cond: // result: (MOVDconst [int64(uint8(c))]) for { v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(uint8(c)) return true } // match: (MOVBUreg x) // cond: x.Type.IsBoolean() // result: (MOVDreg x) for { x := v.Args[0] if !(x.Type.IsBoolean()) { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVBUreg (SLLconst [sc] x)) // cond: isARM64BFMask(sc, 1<<8-1, sc) // result: (UBFIZ [arm64BFAuxInt(sc, arm64BFWidth(1<<8-1, sc))] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<8-1, sc)) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(sc, arm64BFWidth(1<<8-1, sc)) v.AddArg(x) return true } // match: (MOVBUreg (SRLconst [sc] x)) // cond: isARM64BFMask(sc, 1<<8-1, 0) // result: (UBFX [arm64BFAuxInt(sc, 8)] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<8-1, 0)) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(sc, 8) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MOVBload_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVBload [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVBload [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVBload) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBload [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVBloadidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVBloadidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVBload) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _)) // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) // result: (MOVDconst [0]) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVBstorezero { break } off2 := v_1.AuxInt sym2 := v_1.Aux _ = v_1.Args[1] ptr2 := v_1.Args[0] if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVBloadidx_0(v *Value) bool { // match: (MOVBloadidx ptr (MOVDconst [c]) mem) // cond: // result: (MOVBload [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVBload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBloadidx (MOVDconst [c]) ptr mem) // cond: // result: (MOVBload [c] ptr mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVBload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBloadidx ptr idx (MOVBstorezeroidx ptr2 idx2 _)) // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVBstorezeroidx { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVBreg_0(v *Value) bool { // match: (MOVBreg x:(MOVBload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVBreg x:(MOVBloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVBreg x:(MOVBreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVBreg (MOVDconst [c])) // cond: // result: (MOVDconst [int64(int8(c))]) for { v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(int8(c)) return true } // match: (MOVBreg (SLLconst [lc] x)) // cond: lc < 8 // result: (SBFIZ [arm64BFAuxInt(lc, 8-lc)] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } lc := v_0.AuxInt x := v_0.Args[0] if !(lc < 8) { break } v.reset(OpARM64SBFIZ) v.AuxInt = arm64BFAuxInt(lc, 8-lc) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MOVBstore_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVBstore [off1] {sym} (ADDconst [off2] ptr) val mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVBstore [off1+off2] {sym} ptr val mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVBstore) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVBstore [off] {sym} (ADD ptr idx) val mem) // cond: off == 0 && sym == nil // result: (MOVBstoreidx ptr idx val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] val := v.Args[1] mem := v.Args[2] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVBstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVBstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVBstore) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVBstore [off] {sym} ptr (MOVDconst [0]) mem) // cond: // result: (MOVBstorezero [off] {sym} ptr mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 0 { break } mem := v.Args[2] v.reset(OpARM64MOVBstorezero) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem) // cond: // result: (MOVBstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVBreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVBstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVBstore [off] {sym} ptr (MOVBUreg x) mem) // cond: // result: (MOVBstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVBUreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVBstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVBstore [off] {sym} ptr (MOVHreg x) mem) // cond: // result: (MOVBstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVHreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVBstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVBstore [off] {sym} ptr (MOVHUreg x) mem) // cond: // result: (MOVBstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVHUreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVBstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVBstore [off] {sym} ptr (MOVWreg x) mem) // cond: // result: (MOVBstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVBstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVBstore [off] {sym} ptr (MOVWUreg x) mem) // cond: // result: (MOVBstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWUreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVBstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVBstore_10(v *Value) bool { // match: (MOVBstore [i] {s} ptr0 (SRLconst [8] w) x:(MOVBstore [i-1] {s} ptr1 w mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVHstore [i-1] {s} ptr0 w mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 8 { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] if w != x.Args[1] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr0) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (SRLconst [8] w) x:(MOVBstoreidx ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstoreidx ptr1 idx1 w mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 8 { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr0 (UBFX [arm64BFAuxInt(8, 8)] w) x:(MOVBstore [i-1] {s} ptr1 w mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVHstore [i-1] {s} ptr0 w mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64UBFX { break } if v_1.AuxInt != arm64BFAuxInt(8, 8) { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] if w != x.Args[1] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr0) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (UBFX [arm64BFAuxInt(8, 8)] w) x:(MOVBstoreidx ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstoreidx ptr1 idx1 w mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64UBFX { break } if v_1.AuxInt != arm64BFAuxInt(8, 8) { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr0 (UBFX [arm64BFAuxInt(8, 24)] w) x:(MOVBstore [i-1] {s} ptr1 w mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVHstore [i-1] {s} ptr0 w mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64UBFX { break } if v_1.AuxInt != arm64BFAuxInt(8, 24) { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] if w != x.Args[1] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr0) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (UBFX [arm64BFAuxInt(8, 24)] w) x:(MOVBstoreidx ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstoreidx ptr1 idx1 w mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64UBFX { break } if v_1.AuxInt != arm64BFAuxInt(8, 24) { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr0 (SRLconst [8] (MOVDreg w)) x:(MOVBstore [i-1] {s} ptr1 w mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVHstore [i-1] {s} ptr0 w mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 8 { break } v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64MOVDreg { break } w := v_1_0.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] if w != x.Args[1] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr0) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (SRLconst [8] (MOVDreg w)) x:(MOVBstoreidx ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstoreidx ptr1 idx1 w mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 8 { break } v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64MOVDreg { break } w := v_1_0.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr0 (SRLconst [j] w) x:(MOVBstore [i-1] {s} ptr1 w0:(SRLconst [j-8] w) mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVHstore [i-1] {s} ptr0 w0 mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } j := v_1.AuxInt w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] w0 := x.Args[1] if w0.Op != OpARM64SRLconst { break } if w0.AuxInt != j-8 { break } if w != w0.Args[0] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr0) v.AddArg(w0) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (SRLconst [j] w) x:(MOVBstoreidx ptr1 idx1 w0:(SRLconst [j-8] w) mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstoreidx ptr1 idx1 w0 mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } j := v_1.AuxInt w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] w0 := x.Args[2] if w0.Op != OpARM64SRLconst { break } if w0.AuxInt != j-8 { break } if w != w0.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVBstore_20(v *Value) bool { b := v.Block _ = b // match: (MOVBstore [i] {s} ptr0 (UBFX [bfc] w) x:(MOVBstore [i-1] {s} ptr1 w0:(UBFX [bfc2] w) mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && getARM64BFwidth(bfc) == 32 - getARM64BFlsb(bfc) && getARM64BFwidth(bfc2) == 32 - getARM64BFlsb(bfc2) && getARM64BFlsb(bfc2) == getARM64BFlsb(bfc) - 8 && clobber(x) // result: (MOVHstore [i-1] {s} ptr0 w0 mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64UBFX { break } bfc := v_1.AuxInt w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] w0 := x.Args[1] if w0.Op != OpARM64UBFX { break } bfc2 := w0.AuxInt if w != w0.Args[0] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && getARM64BFwidth(bfc) == 32-getARM64BFlsb(bfc) && getARM64BFwidth(bfc2) == 32-getARM64BFlsb(bfc2) && getARM64BFlsb(bfc2) == getARM64BFlsb(bfc)-8 && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr0) v.AddArg(w0) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (UBFX [bfc] w) x:(MOVBstoreidx ptr1 idx1 w0:(UBFX [bfc2] w) mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && getARM64BFwidth(bfc) == 32 - getARM64BFlsb(bfc) && getARM64BFwidth(bfc2) == 32 - getARM64BFlsb(bfc2) && getARM64BFlsb(bfc2) == getARM64BFlsb(bfc) - 8 && clobber(x) // result: (MOVHstoreidx ptr1 idx1 w0 mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64UBFX { break } bfc := v_1.AuxInt w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] w0 := x.Args[2] if w0.Op != OpARM64UBFX { break } bfc2 := w0.AuxInt if w != w0.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && getARM64BFwidth(bfc) == 32-getARM64BFlsb(bfc) && getARM64BFwidth(bfc2) == 32-getARM64BFlsb(bfc2) && getARM64BFlsb(bfc2) == getARM64BFlsb(bfc)-8 && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w0) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr0 (SRLconst [j] (MOVDreg w)) x:(MOVBstore [i-1] {s} ptr1 w0:(SRLconst [j-8] (MOVDreg w)) mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVHstore [i-1] {s} ptr0 w0 mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } j := v_1.AuxInt v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64MOVDreg { break } w := v_1_0.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] w0 := x.Args[1] if w0.Op != OpARM64SRLconst { break } if w0.AuxInt != j-8 { break } w0_0 := w0.Args[0] if w0_0.Op != OpARM64MOVDreg { break } if w != w0_0.Args[0] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr0) v.AddArg(w0) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (SRLconst [j] (MOVDreg w)) x:(MOVBstoreidx ptr1 idx1 w0:(SRLconst [j-8] (MOVDreg w)) mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstoreidx ptr1 idx1 w0 mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } j := v_1.AuxInt v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64MOVDreg { break } w := v_1_0.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] w0 := x.Args[2] if w0.Op != OpARM64SRLconst { break } if w0.AuxInt != j-8 { break } w0_0 := w0.Args[0] if w0_0.Op != OpARM64MOVDreg { break } if w != w0_0.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w0) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr w x0:(MOVBstore [i-1] {s} ptr (SRLconst [8] w) x1:(MOVBstore [i-2] {s} ptr (SRLconst [16] w) x2:(MOVBstore [i-3] {s} ptr (SRLconst [24] w) x3:(MOVBstore [i-4] {s} ptr (SRLconst [32] w) x4:(MOVBstore [i-5] {s} ptr (SRLconst [40] w) x5:(MOVBstore [i-6] {s} ptr (SRLconst [48] w) x6:(MOVBstore [i-7] {s} ptr (SRLconst [56] w) mem)))))))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) // result: (MOVDstore [i-7] {s} ptr (REV <w.Type> w) mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr := v.Args[0] w := v.Args[1] x0 := v.Args[2] if x0.Op != OpARM64MOVBstore { break } if x0.AuxInt != i-1 { break } if x0.Aux != s { break } _ = x0.Args[2] if ptr != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64SRLconst { break } if x0_1.AuxInt != 8 { break } if w != x0_1.Args[0] { break } x1 := x0.Args[2] if x1.Op != OpARM64MOVBstore { break } if x1.AuxInt != i-2 { break } if x1.Aux != s { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64SRLconst { break } if x1_1.AuxInt != 16 { break } if w != x1_1.Args[0] { break } x2 := x1.Args[2] if x2.Op != OpARM64MOVBstore { break } if x2.AuxInt != i-3 { break } if x2.Aux != s { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64SRLconst { break } if x2_1.AuxInt != 24 { break } if w != x2_1.Args[0] { break } x3 := x2.Args[2] if x3.Op != OpARM64MOVBstore { break } if x3.AuxInt != i-4 { break } if x3.Aux != s { break } _ = x3.Args[2] if ptr != x3.Args[0] { break } x3_1 := x3.Args[1] if x3_1.Op != OpARM64SRLconst { break } if x3_1.AuxInt != 32 { break } if w != x3_1.Args[0] { break } x4 := x3.Args[2] if x4.Op != OpARM64MOVBstore { break } if x4.AuxInt != i-5 { break } if x4.Aux != s { break } _ = x4.Args[2] if ptr != x4.Args[0] { break } x4_1 := x4.Args[1] if x4_1.Op != OpARM64SRLconst { break } if x4_1.AuxInt != 40 { break } if w != x4_1.Args[0] { break } x5 := x4.Args[2] if x5.Op != OpARM64MOVBstore { break } if x5.AuxInt != i-6 { break } if x5.Aux != s { break } _ = x5.Args[2] if ptr != x5.Args[0] { break } x5_1 := x5.Args[1] if x5_1.Op != OpARM64SRLconst { break } if x5_1.AuxInt != 48 { break } if w != x5_1.Args[0] { break } x6 := x5.Args[2] if x6.Op != OpARM64MOVBstore { break } if x6.AuxInt != i-7 { break } if x6.Aux != s { break } _ = x6.Args[2] if ptr != x6.Args[0] { break } x6_1 := x6.Args[1] if x6_1.Op != OpARM64SRLconst { break } if x6_1.AuxInt != 56 { break } if w != x6_1.Args[0] { break } mem := x6.Args[2] if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6)) { break } v.reset(OpARM64MOVDstore) v.AuxInt = i - 7 v.Aux = s v.AddArg(ptr) v0 := b.NewValue0(x6.Pos, OpARM64REV, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [7] {s} p w x0:(MOVBstore [6] {s} p (SRLconst [8] w) x1:(MOVBstore [5] {s} p (SRLconst [16] w) x2:(MOVBstore [4] {s} p (SRLconst [24] w) x3:(MOVBstore [3] {s} p (SRLconst [32] w) x4:(MOVBstore [2] {s} p (SRLconst [40] w) x5:(MOVBstore [1] {s} p1:(ADD ptr1 idx1) (SRLconst [48] w) x6:(MOVBstoreidx ptr0 idx0 (SRLconst [56] w) mem)))))))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) // result: (MOVDstoreidx ptr0 idx0 (REV <w.Type> w) mem) for { if v.AuxInt != 7 { break } s := v.Aux _ = v.Args[2] p := v.Args[0] w := v.Args[1] x0 := v.Args[2] if x0.Op != OpARM64MOVBstore { break } if x0.AuxInt != 6 { break } if x0.Aux != s { break } _ = x0.Args[2] if p != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64SRLconst { break } if x0_1.AuxInt != 8 { break } if w != x0_1.Args[0] { break } x1 := x0.Args[2] if x1.Op != OpARM64MOVBstore { break } if x1.AuxInt != 5 { break } if x1.Aux != s { break } _ = x1.Args[2] if p != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64SRLconst { break } if x1_1.AuxInt != 16 { break } if w != x1_1.Args[0] { break } x2 := x1.Args[2] if x2.Op != OpARM64MOVBstore { break } if x2.AuxInt != 4 { break } if x2.Aux != s { break } _ = x2.Args[2] if p != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64SRLconst { break } if x2_1.AuxInt != 24 { break } if w != x2_1.Args[0] { break } x3 := x2.Args[2] if x3.Op != OpARM64MOVBstore { break } if x3.AuxInt != 3 { break } if x3.Aux != s { break } _ = x3.Args[2] if p != x3.Args[0] { break } x3_1 := x3.Args[1] if x3_1.Op != OpARM64SRLconst { break } if x3_1.AuxInt != 32 { break } if w != x3_1.Args[0] { break } x4 := x3.Args[2] if x4.Op != OpARM64MOVBstore { break } if x4.AuxInt != 2 { break } if x4.Aux != s { break } _ = x4.Args[2] if p != x4.Args[0] { break } x4_1 := x4.Args[1] if x4_1.Op != OpARM64SRLconst { break } if x4_1.AuxInt != 40 { break } if w != x4_1.Args[0] { break } x5 := x4.Args[2] if x5.Op != OpARM64MOVBstore { break } if x5.AuxInt != 1 { break } if x5.Aux != s { break } _ = x5.Args[2] p1 := x5.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] x5_1 := x5.Args[1] if x5_1.Op != OpARM64SRLconst { break } if x5_1.AuxInt != 48 { break } if w != x5_1.Args[0] { break } x6 := x5.Args[2] if x6.Op != OpARM64MOVBstoreidx { break } _ = x6.Args[3] ptr0 := x6.Args[0] idx0 := x6.Args[1] x6_2 := x6.Args[2] if x6_2.Op != OpARM64SRLconst { break } if x6_2.AuxInt != 56 { break } if w != x6_2.Args[0] { break } mem := x6.Args[3] if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6)) { break } v.reset(OpARM64MOVDstoreidx) v.AddArg(ptr0) v.AddArg(idx0) v0 := b.NewValue0(x5.Pos, OpARM64REV, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr w x0:(MOVBstore [i-1] {s} ptr (UBFX [arm64BFAuxInt(8, 24)] w) x1:(MOVBstore [i-2] {s} ptr (UBFX [arm64BFAuxInt(16, 16)] w) x2:(MOVBstore [i-3] {s} ptr (UBFX [arm64BFAuxInt(24, 8)] w) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2) // result: (MOVWstore [i-3] {s} ptr (REVW <w.Type> w) mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr := v.Args[0] w := v.Args[1] x0 := v.Args[2] if x0.Op != OpARM64MOVBstore { break } if x0.AuxInt != i-1 { break } if x0.Aux != s { break } _ = x0.Args[2] if ptr != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64UBFX { break } if x0_1.AuxInt != arm64BFAuxInt(8, 24) { break } if w != x0_1.Args[0] { break } x1 := x0.Args[2] if x1.Op != OpARM64MOVBstore { break } if x1.AuxInt != i-2 { break } if x1.Aux != s { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64UBFX { break } if x1_1.AuxInt != arm64BFAuxInt(16, 16) { break } if w != x1_1.Args[0] { break } x2 := x1.Args[2] if x2.Op != OpARM64MOVBstore { break } if x2.AuxInt != i-3 { break } if x2.Aux != s { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64UBFX { break } if x2_1.AuxInt != arm64BFAuxInt(24, 8) { break } if w != x2_1.Args[0] { break } mem := x2.Args[2] if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2)) { break } v.reset(OpARM64MOVWstore) v.AuxInt = i - 3 v.Aux = s v.AddArg(ptr) v0 := b.NewValue0(x2.Pos, OpARM64REVW, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [3] {s} p w x0:(MOVBstore [2] {s} p (UBFX [arm64BFAuxInt(8, 24)] w) x1:(MOVBstore [1] {s} p1:(ADD ptr1 idx1) (UBFX [arm64BFAuxInt(16, 16)] w) x2:(MOVBstoreidx ptr0 idx0 (UBFX [arm64BFAuxInt(24, 8)] w) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) // result: (MOVWstoreidx ptr0 idx0 (REVW <w.Type> w) mem) for { if v.AuxInt != 3 { break } s := v.Aux _ = v.Args[2] p := v.Args[0] w := v.Args[1] x0 := v.Args[2] if x0.Op != OpARM64MOVBstore { break } if x0.AuxInt != 2 { break } if x0.Aux != s { break } _ = x0.Args[2] if p != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64UBFX { break } if x0_1.AuxInt != arm64BFAuxInt(8, 24) { break } if w != x0_1.Args[0] { break } x1 := x0.Args[2] if x1.Op != OpARM64MOVBstore { break } if x1.AuxInt != 1 { break } if x1.Aux != s { break } _ = x1.Args[2] p1 := x1.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] x1_1 := x1.Args[1] if x1_1.Op != OpARM64UBFX { break } if x1_1.AuxInt != arm64BFAuxInt(16, 16) { break } if w != x1_1.Args[0] { break } x2 := x1.Args[2] if x2.Op != OpARM64MOVBstoreidx { break } _ = x2.Args[3] ptr0 := x2.Args[0] idx0 := x2.Args[1] x2_2 := x2.Args[2] if x2_2.Op != OpARM64UBFX { break } if x2_2.AuxInt != arm64BFAuxInt(24, 8) { break } if w != x2_2.Args[0] { break } mem := x2.Args[3] if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr0) v.AddArg(idx0) v0 := b.NewValue0(x1.Pos, OpARM64REVW, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr w x0:(MOVBstore [i-1] {s} ptr (SRLconst [8] (MOVDreg w)) x1:(MOVBstore [i-2] {s} ptr (SRLconst [16] (MOVDreg w)) x2:(MOVBstore [i-3] {s} ptr (SRLconst [24] (MOVDreg w)) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2) // result: (MOVWstore [i-3] {s} ptr (REVW <w.Type> w) mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr := v.Args[0] w := v.Args[1] x0 := v.Args[2] if x0.Op != OpARM64MOVBstore { break } if x0.AuxInt != i-1 { break } if x0.Aux != s { break } _ = x0.Args[2] if ptr != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64SRLconst { break } if x0_1.AuxInt != 8 { break } x0_1_0 := x0_1.Args[0] if x0_1_0.Op != OpARM64MOVDreg { break } if w != x0_1_0.Args[0] { break } x1 := x0.Args[2] if x1.Op != OpARM64MOVBstore { break } if x1.AuxInt != i-2 { break } if x1.Aux != s { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64SRLconst { break } if x1_1.AuxInt != 16 { break } x1_1_0 := x1_1.Args[0] if x1_1_0.Op != OpARM64MOVDreg { break } if w != x1_1_0.Args[0] { break } x2 := x1.Args[2] if x2.Op != OpARM64MOVBstore { break } if x2.AuxInt != i-3 { break } if x2.Aux != s { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64SRLconst { break } if x2_1.AuxInt != 24 { break } x2_1_0 := x2_1.Args[0] if x2_1_0.Op != OpARM64MOVDreg { break } if w != x2_1_0.Args[0] { break } mem := x2.Args[2] if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2)) { break } v.reset(OpARM64MOVWstore) v.AuxInt = i - 3 v.Aux = s v.AddArg(ptr) v0 := b.NewValue0(x2.Pos, OpARM64REVW, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [3] {s} p w x0:(MOVBstore [2] {s} p (SRLconst [8] (MOVDreg w)) x1:(MOVBstore [1] {s} p1:(ADD ptr1 idx1) (SRLconst [16] (MOVDreg w)) x2:(MOVBstoreidx ptr0 idx0 (SRLconst [24] (MOVDreg w)) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) // result: (MOVWstoreidx ptr0 idx0 (REVW <w.Type> w) mem) for { if v.AuxInt != 3 { break } s := v.Aux _ = v.Args[2] p := v.Args[0] w := v.Args[1] x0 := v.Args[2] if x0.Op != OpARM64MOVBstore { break } if x0.AuxInt != 2 { break } if x0.Aux != s { break } _ = x0.Args[2] if p != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64SRLconst { break } if x0_1.AuxInt != 8 { break } x0_1_0 := x0_1.Args[0] if x0_1_0.Op != OpARM64MOVDreg { break } if w != x0_1_0.Args[0] { break } x1 := x0.Args[2] if x1.Op != OpARM64MOVBstore { break } if x1.AuxInt != 1 { break } if x1.Aux != s { break } _ = x1.Args[2] p1 := x1.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] x1_1 := x1.Args[1] if x1_1.Op != OpARM64SRLconst { break } if x1_1.AuxInt != 16 { break } x1_1_0 := x1_1.Args[0] if x1_1_0.Op != OpARM64MOVDreg { break } if w != x1_1_0.Args[0] { break } x2 := x1.Args[2] if x2.Op != OpARM64MOVBstoreidx { break } _ = x2.Args[3] ptr0 := x2.Args[0] idx0 := x2.Args[1] x2_2 := x2.Args[2] if x2_2.Op != OpARM64SRLconst { break } if x2_2.AuxInt != 24 { break } x2_2_0 := x2_2.Args[0] if x2_2_0.Op != OpARM64MOVDreg { break } if w != x2_2_0.Args[0] { break } mem := x2.Args[3] if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr0) v.AddArg(idx0) v0 := b.NewValue0(x1.Pos, OpARM64REVW, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVBstore_30(v *Value) bool { b := v.Block _ = b // match: (MOVBstore [i] {s} ptr w x0:(MOVBstore [i-1] {s} ptr (SRLconst [8] w) x1:(MOVBstore [i-2] {s} ptr (SRLconst [16] w) x2:(MOVBstore [i-3] {s} ptr (SRLconst [24] w) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2) // result: (MOVWstore [i-3] {s} ptr (REVW <w.Type> w) mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr := v.Args[0] w := v.Args[1] x0 := v.Args[2] if x0.Op != OpARM64MOVBstore { break } if x0.AuxInt != i-1 { break } if x0.Aux != s { break } _ = x0.Args[2] if ptr != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64SRLconst { break } if x0_1.AuxInt != 8 { break } if w != x0_1.Args[0] { break } x1 := x0.Args[2] if x1.Op != OpARM64MOVBstore { break } if x1.AuxInt != i-2 { break } if x1.Aux != s { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64SRLconst { break } if x1_1.AuxInt != 16 { break } if w != x1_1.Args[0] { break } x2 := x1.Args[2] if x2.Op != OpARM64MOVBstore { break } if x2.AuxInt != i-3 { break } if x2.Aux != s { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64SRLconst { break } if x2_1.AuxInt != 24 { break } if w != x2_1.Args[0] { break } mem := x2.Args[2] if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2)) { break } v.reset(OpARM64MOVWstore) v.AuxInt = i - 3 v.Aux = s v.AddArg(ptr) v0 := b.NewValue0(x2.Pos, OpARM64REVW, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [3] {s} p w x0:(MOVBstore [2] {s} p (SRLconst [8] w) x1:(MOVBstore [1] {s} p1:(ADD ptr1 idx1) (SRLconst [16] w) x2:(MOVBstoreidx ptr0 idx0 (SRLconst [24] w) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) // result: (MOVWstoreidx ptr0 idx0 (REVW <w.Type> w) mem) for { if v.AuxInt != 3 { break } s := v.Aux _ = v.Args[2] p := v.Args[0] w := v.Args[1] x0 := v.Args[2] if x0.Op != OpARM64MOVBstore { break } if x0.AuxInt != 2 { break } if x0.Aux != s { break } _ = x0.Args[2] if p != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64SRLconst { break } if x0_1.AuxInt != 8 { break } if w != x0_1.Args[0] { break } x1 := x0.Args[2] if x1.Op != OpARM64MOVBstore { break } if x1.AuxInt != 1 { break } if x1.Aux != s { break } _ = x1.Args[2] p1 := x1.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] x1_1 := x1.Args[1] if x1_1.Op != OpARM64SRLconst { break } if x1_1.AuxInt != 16 { break } if w != x1_1.Args[0] { break } x2 := x1.Args[2] if x2.Op != OpARM64MOVBstoreidx { break } _ = x2.Args[3] ptr0 := x2.Args[0] idx0 := x2.Args[1] x2_2 := x2.Args[2] if x2_2.Op != OpARM64SRLconst { break } if x2_2.AuxInt != 24 { break } if w != x2_2.Args[0] { break } mem := x2.Args[3] if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr0) v.AddArg(idx0) v0 := b.NewValue0(x1.Pos, OpARM64REVW, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr w x:(MOVBstore [i-1] {s} ptr (SRLconst [8] w) mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVHstore [i-1] {s} ptr (REV16W <w.Type> w) mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr := v.Args[0] w := v.Args[1] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] if ptr != x.Args[0] { break } x_1 := x.Args[1] if x_1.Op != OpARM64SRLconst { break } if x_1.AuxInt != 8 { break } if w != x_1.Args[0] { break } mem := x.Args[2] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr) v0 := b.NewValue0(x.Pos, OpARM64REV16W, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr1 idx1) w x:(MOVBstoreidx ptr0 idx0 (SRLconst [8] w) mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstoreidx ptr0 idx0 (REV16W <w.Type> w) mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr1 := v_0.Args[0] idx1 := v_0.Args[1] w := v.Args[1] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr0 := x.Args[0] idx0 := x.Args[1] x_2 := x.Args[2] if x_2.Op != OpARM64SRLconst { break } if x_2.AuxInt != 8 { break } if w != x_2.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr0) v.AddArg(idx0) v0 := b.NewValue0(v.Pos, OpARM64REV16W, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr w x:(MOVBstore [i-1] {s} ptr (UBFX [arm64BFAuxInt(8, 8)] w) mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVHstore [i-1] {s} ptr (REV16W <w.Type> w) mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr := v.Args[0] w := v.Args[1] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] if ptr != x.Args[0] { break } x_1 := x.Args[1] if x_1.Op != OpARM64UBFX { break } if x_1.AuxInt != arm64BFAuxInt(8, 8) { break } if w != x_1.Args[0] { break } mem := x.Args[2] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr) v0 := b.NewValue0(x.Pos, OpARM64REV16W, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr1 idx1) w x:(MOVBstoreidx ptr0 idx0 (UBFX [arm64BFAuxInt(8, 8)] w) mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstoreidx ptr0 idx0 (REV16W <w.Type> w) mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr1 := v_0.Args[0] idx1 := v_0.Args[1] w := v.Args[1] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr0 := x.Args[0] idx0 := x.Args[1] x_2 := x.Args[2] if x_2.Op != OpARM64UBFX { break } if x_2.AuxInt != arm64BFAuxInt(8, 8) { break } if w != x_2.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr0) v.AddArg(idx0) v0 := b.NewValue0(v.Pos, OpARM64REV16W, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr w x:(MOVBstore [i-1] {s} ptr (SRLconst [8] (MOVDreg w)) mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVHstore [i-1] {s} ptr (REV16W <w.Type> w) mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr := v.Args[0] w := v.Args[1] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] if ptr != x.Args[0] { break } x_1 := x.Args[1] if x_1.Op != OpARM64SRLconst { break } if x_1.AuxInt != 8 { break } x_1_0 := x_1.Args[0] if x_1_0.Op != OpARM64MOVDreg { break } if w != x_1_0.Args[0] { break } mem := x.Args[2] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr) v0 := b.NewValue0(x.Pos, OpARM64REV16W, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr1 idx1) w x:(MOVBstoreidx ptr0 idx0 (SRLconst [8] (MOVDreg w)) mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstoreidx ptr0 idx0 (REV16W <w.Type> w) mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr1 := v_0.Args[0] idx1 := v_0.Args[1] w := v.Args[1] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr0 := x.Args[0] idx0 := x.Args[1] x_2 := x.Args[2] if x_2.Op != OpARM64SRLconst { break } if x_2.AuxInt != 8 { break } x_2_0 := x_2.Args[0] if x_2_0.Op != OpARM64MOVDreg { break } if w != x_2_0.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr0) v.AddArg(idx0) v0 := b.NewValue0(v.Pos, OpARM64REV16W, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [i] {s} ptr w x:(MOVBstore [i-1] {s} ptr (UBFX [arm64BFAuxInt(8, 24)] w) mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVHstore [i-1] {s} ptr (REV16W <w.Type> w) mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr := v.Args[0] w := v.Args[1] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] if ptr != x.Args[0] { break } x_1 := x.Args[1] if x_1.Op != OpARM64UBFX { break } if x_1.AuxInt != arm64BFAuxInt(8, 24) { break } if w != x_1.Args[0] { break } mem := x.Args[2] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr) v0 := b.NewValue0(x.Pos, OpARM64REV16W, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr1 idx1) w x:(MOVBstoreidx ptr0 idx0 (UBFX [arm64BFAuxInt(8, 24)] w) mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstoreidx ptr0 idx0 (REV16W <w.Type> w) mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr1 := v_0.Args[0] idx1 := v_0.Args[1] w := v.Args[1] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr0 := x.Args[0] idx0 := x.Args[1] x_2 := x.Args[2] if x_2.Op != OpARM64UBFX { break } if x_2.AuxInt != arm64BFAuxInt(8, 24) { break } if w != x_2.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr0) v.AddArg(idx0) v0 := b.NewValue0(v.Pos, OpARM64REV16W, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVBstore_40(v *Value) bool { b := v.Block _ = b // match: (MOVBstore [i] {s} ptr w x:(MOVBstore [i-1] {s} ptr (SRLconst [8] (MOVDreg w)) mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVHstore [i-1] {s} ptr (REV16W <w.Type> w) mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr := v.Args[0] w := v.Args[1] x := v.Args[2] if x.Op != OpARM64MOVBstore { break } if x.AuxInt != i-1 { break } if x.Aux != s { break } _ = x.Args[2] if ptr != x.Args[0] { break } x_1 := x.Args[1] if x_1.Op != OpARM64SRLconst { break } if x_1.AuxInt != 8 { break } x_1_0 := x_1.Args[0] if x_1_0.Op != OpARM64MOVDreg { break } if w != x_1_0.Args[0] { break } mem := x.Args[2] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = i - 1 v.Aux = s v.AddArg(ptr) v0 := b.NewValue0(x.Pos, OpARM64REV16W, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstore [1] {s} (ADD ptr1 idx1) w x:(MOVBstoreidx ptr0 idx0 (SRLconst [8] (MOVDreg w)) mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstoreidx ptr0 idx0 (REV16W <w.Type> w) mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr1 := v_0.Args[0] idx1 := v_0.Args[1] w := v.Args[1] x := v.Args[2] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] ptr0 := x.Args[0] idx0 := x.Args[1] x_2 := x.Args[2] if x_2.Op != OpARM64SRLconst { break } if x_2.AuxInt != 8 { break } x_2_0 := x_2.Args[0] if x_2_0.Op != OpARM64MOVDreg { break } if w != x_2_0.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr0) v.AddArg(idx0) v0 := b.NewValue0(v.Pos, OpARM64REV16W, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVBstoreidx_0(v *Value) bool { // match: (MOVBstoreidx ptr (MOVDconst [c]) val mem) // cond: // result: (MOVBstore [c] ptr val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVBstore) v.AuxInt = c v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVBstoreidx (MOVDconst [c]) idx val mem) // cond: // result: (MOVBstore [c] idx val mem) for { _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt idx := v.Args[1] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVBstore) v.AuxInt = c v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVBstoreidx ptr idx (MOVDconst [0]) mem) // cond: // result: (MOVBstorezeroidx ptr idx mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 0 { break } mem := v.Args[3] v.reset(OpARM64MOVBstorezeroidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVBstoreidx ptr idx (MOVBreg x) mem) // cond: // result: (MOVBstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVBreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVBstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVBstoreidx ptr idx (MOVBUreg x) mem) // cond: // result: (MOVBstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVBUreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVBstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVBstoreidx ptr idx (MOVHreg x) mem) // cond: // result: (MOVBstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVHreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVBstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVBstoreidx ptr idx (MOVHUreg x) mem) // cond: // result: (MOVBstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVHUreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVBstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVBstoreidx ptr idx (MOVWreg x) mem) // cond: // result: (MOVBstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVBstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVBstoreidx ptr idx (MOVWUreg x) mem) // cond: // result: (MOVBstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWUreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVBstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVBstoreidx ptr (ADDconst [1] idx) (SRLconst [8] w) x:(MOVBstoreidx ptr idx w mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVHstoreidx ptr idx w mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADDconst { break } if v_1.AuxInt != 1 { break } idx := v_1.Args[0] v_2 := v.Args[2] if v_2.Op != OpARM64SRLconst { break } if v_2.AuxInt != 8 { break } w := v_2.Args[0] x := v.Args[3] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] if ptr != x.Args[0] { break } if idx != x.Args[1] { break } if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(w) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVBstoreidx_10(v *Value) bool { b := v.Block _ = b // match: (MOVBstoreidx ptr (ADDconst [3] idx) w x0:(MOVBstoreidx ptr (ADDconst [2] idx) (UBFX [arm64BFAuxInt(8, 24)] w) x1:(MOVBstoreidx ptr (ADDconst [1] idx) (UBFX [arm64BFAuxInt(16, 16)] w) x2:(MOVBstoreidx ptr idx (UBFX [arm64BFAuxInt(24, 8)] w) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2) // result: (MOVWstoreidx ptr idx (REVW <w.Type> w) mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADDconst { break } if v_1.AuxInt != 3 { break } idx := v_1.Args[0] w := v.Args[2] x0 := v.Args[3] if x0.Op != OpARM64MOVBstoreidx { break } _ = x0.Args[3] if ptr != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64ADDconst { break } if x0_1.AuxInt != 2 { break } if idx != x0_1.Args[0] { break } x0_2 := x0.Args[2] if x0_2.Op != OpARM64UBFX { break } if x0_2.AuxInt != arm64BFAuxInt(8, 24) { break } if w != x0_2.Args[0] { break } x1 := x0.Args[3] if x1.Op != OpARM64MOVBstoreidx { break } _ = x1.Args[3] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 1 { break } if idx != x1_1.Args[0] { break } x1_2 := x1.Args[2] if x1_2.Op != OpARM64UBFX { break } if x1_2.AuxInt != arm64BFAuxInt(16, 16) { break } if w != x1_2.Args[0] { break } x2 := x1.Args[3] if x2.Op != OpARM64MOVBstoreidx { break } _ = x2.Args[3] if ptr != x2.Args[0] { break } if idx != x2.Args[1] { break } x2_2 := x2.Args[2] if x2_2.Op != OpARM64UBFX { break } if x2_2.AuxInt != arm64BFAuxInt(24, 8) { break } if w != x2_2.Args[0] { break } mem := x2.Args[3] if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr) v.AddArg(idx) v0 := b.NewValue0(v.Pos, OpARM64REVW, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstoreidx ptr idx w x0:(MOVBstoreidx ptr (ADDconst [1] idx) (UBFX [arm64BFAuxInt(8, 24)] w) x1:(MOVBstoreidx ptr (ADDconst [2] idx) (UBFX [arm64BFAuxInt(16, 16)] w) x2:(MOVBstoreidx ptr (ADDconst [3] idx) (UBFX [arm64BFAuxInt(24, 8)] w) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2) // result: (MOVWstoreidx ptr idx w mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] w := v.Args[2] x0 := v.Args[3] if x0.Op != OpARM64MOVBstoreidx { break } _ = x0.Args[3] if ptr != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64ADDconst { break } if x0_1.AuxInt != 1 { break } if idx != x0_1.Args[0] { break } x0_2 := x0.Args[2] if x0_2.Op != OpARM64UBFX { break } if x0_2.AuxInt != arm64BFAuxInt(8, 24) { break } if w != x0_2.Args[0] { break } x1 := x0.Args[3] if x1.Op != OpARM64MOVBstoreidx { break } _ = x1.Args[3] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 2 { break } if idx != x1_1.Args[0] { break } x1_2 := x1.Args[2] if x1_2.Op != OpARM64UBFX { break } if x1_2.AuxInt != arm64BFAuxInt(16, 16) { break } if w != x1_2.Args[0] { break } x2 := x1.Args[3] if x2.Op != OpARM64MOVBstoreidx { break } _ = x2.Args[3] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 3 { break } if idx != x2_1.Args[0] { break } x2_2 := x2.Args[2] if x2_2.Op != OpARM64UBFX { break } if x2_2.AuxInt != arm64BFAuxInt(24, 8) { break } if w != x2_2.Args[0] { break } mem := x2.Args[3] if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0) && clobber(x1) && clobber(x2)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVBstoreidx ptr (ADDconst [1] idx) w x:(MOVBstoreidx ptr idx (UBFX [arm64BFAuxInt(8, 8)] w) mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVHstoreidx ptr idx (REV16W <w.Type> w) mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADDconst { break } if v_1.AuxInt != 1 { break } idx := v_1.Args[0] w := v.Args[2] x := v.Args[3] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] if ptr != x.Args[0] { break } if idx != x.Args[1] { break } x_2 := x.Args[2] if x_2.Op != OpARM64UBFX { break } if x_2.AuxInt != arm64BFAuxInt(8, 8) { break } if w != x_2.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr) v.AddArg(idx) v0 := b.NewValue0(v.Pos, OpARM64REV16W, w.Type) v0.AddArg(w) v.AddArg(v0) v.AddArg(mem) return true } // match: (MOVBstoreidx ptr idx w x:(MOVBstoreidx ptr (ADDconst [1] idx) (UBFX [arm64BFAuxInt(8, 8)] w) mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVHstoreidx ptr idx w mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] w := v.Args[2] x := v.Args[3] if x.Op != OpARM64MOVBstoreidx { break } _ = x.Args[3] if ptr != x.Args[0] { break } x_1 := x.Args[1] if x_1.Op != OpARM64ADDconst { break } if x_1.AuxInt != 1 { break } if idx != x_1.Args[0] { break } x_2 := x.Args[2] if x_2.Op != OpARM64UBFX { break } if x_2.AuxInt != arm64BFAuxInt(8, 8) { break } if w != x_2.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(w) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVBstorezero_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVBstorezero [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVBstorezero [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVBstorezero) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVBstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVBstorezero) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBstorezero [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVBstorezeroidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVBstorezeroidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVBstorezero [i] {s} ptr0 x:(MOVBstorezero [j] {s} ptr1 mem)) // cond: x.Uses == 1 && areAdjacentOffsets(i,j,1) && is32Bit(min(i,j)) && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVHstorezero [min(i,j)] {s} ptr0 mem) for { i := v.AuxInt s := v.Aux _ = v.Args[1] ptr0 := v.Args[0] x := v.Args[1] if x.Op != OpARM64MOVBstorezero { break } j := x.AuxInt if x.Aux != s { break } _ = x.Args[1] ptr1 := x.Args[0] mem := x.Args[1] if !(x.Uses == 1 && areAdjacentOffsets(i, j, 1) && is32Bit(min(i, j)) && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVHstorezero) v.AuxInt = min(i, j) v.Aux = s v.AddArg(ptr0) v.AddArg(mem) return true } // match: (MOVBstorezero [1] {s} (ADD ptr0 idx0) x:(MOVBstorezeroidx ptr1 idx1 mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVHstorezeroidx ptr1 idx1 mem) for { if v.AuxInt != 1 { break } s := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] x := v.Args[1] if x.Op != OpARM64MOVBstorezeroidx { break } _ = x.Args[2] ptr1 := x.Args[0] idx1 := x.Args[1] mem := x.Args[2] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVHstorezeroidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVBstorezeroidx_0(v *Value) bool { // match: (MOVBstorezeroidx ptr (MOVDconst [c]) mem) // cond: // result: (MOVBstorezero [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVBstorezero) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVBstorezeroidx (MOVDconst [c]) idx mem) // cond: // result: (MOVBstorezero [c] idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt idx := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVBstorezero) v.AuxInt = c v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVBstorezeroidx ptr (ADDconst [1] idx) x:(MOVBstorezeroidx ptr idx mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVHstorezeroidx ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADDconst { break } if v_1.AuxInt != 1 { break } idx := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVBstorezeroidx { break } _ = x.Args[2] if ptr != x.Args[0] { break } if idx != x.Args[1] { break } mem := x.Args[2] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVHstorezeroidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVDload_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVDload [off] {sym} ptr (FMOVDstore [off] {sym} ptr val _)) // cond: // result: (FMOVDfpgp val) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FMOVDstore { break } if v_1.AuxInt != off { break } if v_1.Aux != sym { break } _ = v_1.Args[2] if ptr != v_1.Args[0] { break } val := v_1.Args[1] v.reset(OpARM64FMOVDfpgp) v.AddArg(val) return true } // match: (MOVDload [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVDload [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVDload) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVDload [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVDloadidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVDloadidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVDloadidx8 ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 3 { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVDloadidx8) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVDload) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVDload [off] {sym} ptr (MOVDstorezero [off2] {sym2} ptr2 _)) // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) // result: (MOVDconst [0]) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDstorezero { break } off2 := v_1.AuxInt sym2 := v_1.Aux _ = v_1.Args[1] ptr2 := v_1.Args[0] if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MOVDload [off] {sym} (SB) _) // cond: symIsRO(sym) // result: (MOVDconst [int64(read64(sym, off, config.BigEndian))]) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpSB { break } if !(symIsRO(sym)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = int64(read64(sym, off, config.BigEndian)) return true } return false } func rewriteValueARM64_OpARM64MOVDloadidx_0(v *Value) bool { // match: (MOVDloadidx ptr (MOVDconst [c]) mem) // cond: // result: (MOVDload [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVDload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVDloadidx (MOVDconst [c]) ptr mem) // cond: // result: (MOVDload [c] ptr mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVDload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVDloadidx ptr (SLLconst [3] idx) mem) // cond: // result: (MOVDloadidx8 ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } if v_1.AuxInt != 3 { break } idx := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVDloadidx8) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVDloadidx (SLLconst [3] idx) ptr mem) // cond: // result: (MOVDloadidx8 ptr idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 3 { break } idx := v_0.Args[0] ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVDloadidx8) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVDloadidx ptr idx (MOVDstorezeroidx ptr2 idx2 _)) // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDstorezeroidx { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVDloadidx8_0(v *Value) bool { // match: (MOVDloadidx8 ptr (MOVDconst [c]) mem) // cond: // result: (MOVDload [c<<3] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVDload) v.AuxInt = c << 3 v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVDloadidx8 ptr idx (MOVDstorezeroidx8 ptr2 idx2 _)) // cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDstorezeroidx8 { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVDreg_0(v *Value) bool { // match: (MOVDreg x) // cond: x.Uses == 1 // result: (MOVDnop x) for { x := v.Args[0] if !(x.Uses == 1) { break } v.reset(OpARM64MOVDnop) v.AddArg(x) return true } // match: (MOVDreg (MOVDconst [c])) // cond: // result: (MOVDconst [c]) for { v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = c return true } return false } func rewriteValueARM64_OpARM64MOVDstore_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVDstore [off] {sym} ptr (FMOVDfpgp val) mem) // cond: // result: (FMOVDstore [off] {sym} ptr val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FMOVDfpgp { break } val := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64FMOVDstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVDstore [off1+off2] {sym} ptr val mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVDstore) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVDstore [off] {sym} (ADD ptr idx) val mem) // cond: off == 0 && sym == nil // result: (MOVDstoreidx ptr idx val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] val := v.Args[1] mem := v.Args[2] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVDstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem) // cond: off == 0 && sym == nil // result: (MOVDstoreidx8 ptr idx val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 3 { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] val := v.Args[1] mem := v.Args[2] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVDstoreidx8) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVDstore) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVDstore [off] {sym} ptr (MOVDconst [0]) mem) // cond: // result: (MOVDstorezero [off] {sym} ptr mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 0 { break } mem := v.Args[2] v.reset(OpARM64MOVDstorezero) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVDstoreidx_0(v *Value) bool { // match: (MOVDstoreidx ptr (MOVDconst [c]) val mem) // cond: // result: (MOVDstore [c] ptr val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVDstore) v.AuxInt = c v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVDstoreidx (MOVDconst [c]) idx val mem) // cond: // result: (MOVDstore [c] idx val mem) for { _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt idx := v.Args[1] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVDstore) v.AuxInt = c v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVDstoreidx ptr (SLLconst [3] idx) val mem) // cond: // result: (MOVDstoreidx8 ptr idx val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } if v_1.AuxInt != 3 { break } idx := v_1.Args[0] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVDstoreidx8) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVDstoreidx (SLLconst [3] idx) ptr val mem) // cond: // result: (MOVDstoreidx8 ptr idx val mem) for { _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 3 { break } idx := v_0.Args[0] ptr := v.Args[1] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVDstoreidx8) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVDstoreidx ptr idx (MOVDconst [0]) mem) // cond: // result: (MOVDstorezeroidx ptr idx mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 0 { break } mem := v.Args[3] v.reset(OpARM64MOVDstorezeroidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVDstoreidx8_0(v *Value) bool { // match: (MOVDstoreidx8 ptr (MOVDconst [c]) val mem) // cond: // result: (MOVDstore [c<<3] ptr val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVDstore) v.AuxInt = c << 3 v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVDstoreidx8 ptr idx (MOVDconst [0]) mem) // cond: // result: (MOVDstorezeroidx8 ptr idx mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 0 { break } mem := v.Args[3] v.reset(OpARM64MOVDstorezeroidx8) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVDstorezero_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVDstorezero [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVDstorezero [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVDstorezero) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVDstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVDstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVDstorezero) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVDstorezero [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVDstorezeroidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVDstorezeroidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVDstorezero [off] {sym} (ADDshiftLL [3] ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVDstorezeroidx8 ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 3 { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVDstorezeroidx8) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVDstorezero [i] {s} ptr0 x:(MOVDstorezero [j] {s} ptr1 mem)) // cond: x.Uses == 1 && areAdjacentOffsets(i,j,8) && is32Bit(min(i,j)) && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVQstorezero [min(i,j)] {s} ptr0 mem) for { i := v.AuxInt s := v.Aux _ = v.Args[1] ptr0 := v.Args[0] x := v.Args[1] if x.Op != OpARM64MOVDstorezero { break } j := x.AuxInt if x.Aux != s { break } _ = x.Args[1] ptr1 := x.Args[0] mem := x.Args[1] if !(x.Uses == 1 && areAdjacentOffsets(i, j, 8) && is32Bit(min(i, j)) && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVQstorezero) v.AuxInt = min(i, j) v.Aux = s v.AddArg(ptr0) v.AddArg(mem) return true } // match: (MOVDstorezero [8] {s} p0:(ADD ptr0 idx0) x:(MOVDstorezeroidx ptr1 idx1 mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVQstorezero [0] {s} p0 mem) for { if v.AuxInt != 8 { break } s := v.Aux _ = v.Args[1] p0 := v.Args[0] if p0.Op != OpARM64ADD { break } _ = p0.Args[1] ptr0 := p0.Args[0] idx0 := p0.Args[1] x := v.Args[1] if x.Op != OpARM64MOVDstorezeroidx { break } _ = x.Args[2] ptr1 := x.Args[0] idx1 := x.Args[1] mem := x.Args[2] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVQstorezero) v.AuxInt = 0 v.Aux = s v.AddArg(p0) v.AddArg(mem) return true } // match: (MOVDstorezero [8] {s} p0:(ADDshiftLL [3] ptr0 idx0) x:(MOVDstorezeroidx8 ptr1 idx1 mem)) // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) // result: (MOVQstorezero [0] {s} p0 mem) for { if v.AuxInt != 8 { break } s := v.Aux _ = v.Args[1] p0 := v.Args[0] if p0.Op != OpARM64ADDshiftLL { break } if p0.AuxInt != 3 { break } _ = p0.Args[1] ptr0 := p0.Args[0] idx0 := p0.Args[1] x := v.Args[1] if x.Op != OpARM64MOVDstorezeroidx8 { break } _ = x.Args[2] ptr1 := x.Args[0] idx1 := x.Args[1] mem := x.Args[2] if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { break } v.reset(OpARM64MOVQstorezero) v.AuxInt = 0 v.Aux = s v.AddArg(p0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVDstorezeroidx_0(v *Value) bool { // match: (MOVDstorezeroidx ptr (MOVDconst [c]) mem) // cond: // result: (MOVDstorezero [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVDstorezero) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVDstorezeroidx (MOVDconst [c]) idx mem) // cond: // result: (MOVDstorezero [c] idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt idx := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVDstorezero) v.AuxInt = c v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVDstorezeroidx ptr (SLLconst [3] idx) mem) // cond: // result: (MOVDstorezeroidx8 ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } if v_1.AuxInt != 3 { break } idx := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVDstorezeroidx8) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVDstorezeroidx (SLLconst [3] idx) ptr mem) // cond: // result: (MOVDstorezeroidx8 ptr idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 3 { break } idx := v_0.Args[0] ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVDstorezeroidx8) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVDstorezeroidx8_0(v *Value) bool { // match: (MOVDstorezeroidx8 ptr (MOVDconst [c]) mem) // cond: // result: (MOVDstorezero [c<<3] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVDstorezero) v.AuxInt = c << 3 v.AddArg(ptr) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVHUload_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVHUload [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVHUload [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVHUload) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHUload [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVHUloadidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVHUloadidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHUload [off] {sym} (ADDshiftLL [1] ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVHUloadidx2 ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 1 { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVHUloadidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVHUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVHUload) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHUload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _)) // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) // result: (MOVDconst [0]) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVHstorezero { break } off2 := v_1.AuxInt sym2 := v_1.Aux _ = v_1.Args[1] ptr2 := v_1.Args[0] if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MOVHUload [off] {sym} (SB) _) // cond: symIsRO(sym) // result: (MOVDconst [int64(read16(sym, off, config.BigEndian))]) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpSB { break } if !(symIsRO(sym)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = int64(read16(sym, off, config.BigEndian)) return true } return false } func rewriteValueARM64_OpARM64MOVHUloadidx_0(v *Value) bool { // match: (MOVHUloadidx ptr (MOVDconst [c]) mem) // cond: // result: (MOVHUload [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVHUload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHUloadidx (MOVDconst [c]) ptr mem) // cond: // result: (MOVHUload [c] ptr mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVHUload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHUloadidx ptr (SLLconst [1] idx) mem) // cond: // result: (MOVHUloadidx2 ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } if v_1.AuxInt != 1 { break } idx := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVHUloadidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHUloadidx ptr (ADD idx idx) mem) // cond: // result: (MOVHUloadidx2 ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADD { break } _ = v_1.Args[1] idx := v_1.Args[0] if idx != v_1.Args[1] { break } mem := v.Args[2] v.reset(OpARM64MOVHUloadidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHUloadidx (ADD idx idx) ptr mem) // cond: // result: (MOVHUloadidx2 ptr idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] idx := v_0.Args[0] if idx != v_0.Args[1] { break } ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVHUloadidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHUloadidx ptr idx (MOVHstorezeroidx ptr2 idx2 _)) // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVHstorezeroidx { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVHUloadidx2_0(v *Value) bool { // match: (MOVHUloadidx2 ptr (MOVDconst [c]) mem) // cond: // result: (MOVHUload [c<<1] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVHUload) v.AuxInt = c << 1 v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHUloadidx2 ptr idx (MOVHstorezeroidx2 ptr2 idx2 _)) // cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVHstorezeroidx2 { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVHUreg_0(v *Value) bool { // match: (MOVHUreg x:(MOVBUload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHUreg x:(MOVHUload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHUload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHUreg x:(MOVBUloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHUreg x:(MOVHUloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHUloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHUreg x:(MOVHUloadidx2 _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHUloadidx2 { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHUreg x:(MOVBUreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHUreg x:(MOVHUreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHUreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHUreg (ANDconst [c] x)) // cond: // result: (ANDconst [c&(1<<16-1)] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64ANDconst { break } c := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64ANDconst) v.AuxInt = c & (1<<16 - 1) v.AddArg(x) return true } // match: (MOVHUreg (MOVDconst [c])) // cond: // result: (MOVDconst [int64(uint16(c))]) for { v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(uint16(c)) return true } // match: (MOVHUreg (SLLconst [sc] x)) // cond: isARM64BFMask(sc, 1<<16-1, sc) // result: (UBFIZ [arm64BFAuxInt(sc, arm64BFWidth(1<<16-1, sc))] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<16-1, sc)) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(sc, arm64BFWidth(1<<16-1, sc)) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MOVHUreg_10(v *Value) bool { // match: (MOVHUreg (SRLconst [sc] x)) // cond: isARM64BFMask(sc, 1<<16-1, 0) // result: (UBFX [arm64BFAuxInt(sc, 16)] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<16-1, 0)) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(sc, 16) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MOVHload_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVHload [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVHload [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVHload) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHload [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVHloadidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVHloadidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHload [off] {sym} (ADDshiftLL [1] ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVHloadidx2 ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 1 { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVHloadidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVHload) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _)) // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) // result: (MOVDconst [0]) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVHstorezero { break } off2 := v_1.AuxInt sym2 := v_1.Aux _ = v_1.Args[1] ptr2 := v_1.Args[0] if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVHloadidx_0(v *Value) bool { // match: (MOVHloadidx ptr (MOVDconst [c]) mem) // cond: // result: (MOVHload [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVHload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHloadidx (MOVDconst [c]) ptr mem) // cond: // result: (MOVHload [c] ptr mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVHload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHloadidx ptr (SLLconst [1] idx) mem) // cond: // result: (MOVHloadidx2 ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } if v_1.AuxInt != 1 { break } idx := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVHloadidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHloadidx ptr (ADD idx idx) mem) // cond: // result: (MOVHloadidx2 ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADD { break } _ = v_1.Args[1] idx := v_1.Args[0] if idx != v_1.Args[1] { break } mem := v.Args[2] v.reset(OpARM64MOVHloadidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHloadidx (ADD idx idx) ptr mem) // cond: // result: (MOVHloadidx2 ptr idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] idx := v_0.Args[0] if idx != v_0.Args[1] { break } ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVHloadidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHloadidx ptr idx (MOVHstorezeroidx ptr2 idx2 _)) // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVHstorezeroidx { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVHloadidx2_0(v *Value) bool { // match: (MOVHloadidx2 ptr (MOVDconst [c]) mem) // cond: // result: (MOVHload [c<<1] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVHload) v.AuxInt = c << 1 v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHloadidx2 ptr idx (MOVHstorezeroidx2 ptr2 idx2 _)) // cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVHstorezeroidx2 { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVHreg_0(v *Value) bool { // match: (MOVHreg x:(MOVBload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHreg x:(MOVBUload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHreg x:(MOVHload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHreg x:(MOVBloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHreg x:(MOVBUloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHreg x:(MOVHloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHreg x:(MOVHloadidx2 _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHloadidx2 { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHreg x:(MOVBreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHreg x:(MOVBUreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVHreg x:(MOVHreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MOVHreg_10(v *Value) bool { // match: (MOVHreg (MOVDconst [c])) // cond: // result: (MOVDconst [int64(int16(c))]) for { v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(int16(c)) return true } // match: (MOVHreg (SLLconst [lc] x)) // cond: lc < 16 // result: (SBFIZ [arm64BFAuxInt(lc, 16-lc)] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } lc := v_0.AuxInt x := v_0.Args[0] if !(lc < 16) { break } v.reset(OpARM64SBFIZ) v.AuxInt = arm64BFAuxInt(lc, 16-lc) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MOVHstore_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVHstore [off1] {sym} (ADDconst [off2] ptr) val mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVHstore [off1+off2] {sym} ptr val mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVHstore [off] {sym} (ADD ptr idx) val mem) // cond: off == 0 && sym == nil // result: (MOVHstoreidx ptr idx val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] val := v.Args[1] mem := v.Args[2] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVHstore [off] {sym} (ADDshiftLL [1] ptr idx) val mem) // cond: off == 0 && sym == nil // result: (MOVHstoreidx2 ptr idx val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 1 { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] val := v.Args[1] mem := v.Args[2] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVHstoreidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVHstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVHstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVHstore) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVHstore [off] {sym} ptr (MOVDconst [0]) mem) // cond: // result: (MOVHstorezero [off] {sym} ptr mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 0 { break } mem := v.Args[2] v.reset(OpARM64MOVHstorezero) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem) // cond: // result: (MOVHstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVHreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVHstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVHstore [off] {sym} ptr (MOVHUreg x) mem) // cond: // result: (MOVHstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVHUreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVHstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVHstore [off] {sym} ptr (MOVWreg x) mem) // cond: // result: (MOVHstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVHstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVHstore [off] {sym} ptr (MOVWUreg x) mem) // cond: // result: (MOVHstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWUreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVHstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVHstore [i] {s} ptr0 (SRLconst [16] w) x:(MOVHstore [i-2] {s} ptr1 w mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVWstore [i-2] {s} ptr0 w mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 16 { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstore { break } if x.AuxInt != i-2 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] if w != x.Args[1] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVWstore) v.AuxInt = i - 2 v.Aux = s v.AddArg(ptr0) v.AddArg(w) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVHstore_10(v *Value) bool { b := v.Block _ = b // match: (MOVHstore [2] {s} (ADD ptr0 idx0) (SRLconst [16] w) x:(MOVHstoreidx ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVWstoreidx ptr1 idx1 w mem) for { if v.AuxInt != 2 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 16 { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVHstore [2] {s} (ADDshiftLL [1] ptr0 idx0) (SRLconst [16] w) x:(MOVHstoreidx2 ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) // result: (MOVWstoreidx ptr1 (SLLconst <idx1.Type> [1] idx1) w mem) for { if v.AuxInt != 2 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 1 { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 16 { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstoreidx2 { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr1) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) v0.AuxInt = 1 v0.AddArg(idx1) v.AddArg(v0) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVHstore [i] {s} ptr0 (UBFX [arm64BFAuxInt(16, 16)] w) x:(MOVHstore [i-2] {s} ptr1 w mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVWstore [i-2] {s} ptr0 w mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64UBFX { break } if v_1.AuxInt != arm64BFAuxInt(16, 16) { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstore { break } if x.AuxInt != i-2 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] if w != x.Args[1] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVWstore) v.AuxInt = i - 2 v.Aux = s v.AddArg(ptr0) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVHstore [2] {s} (ADD ptr0 idx0) (UBFX [arm64BFAuxInt(16, 16)] w) x:(MOVHstoreidx ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVWstoreidx ptr1 idx1 w mem) for { if v.AuxInt != 2 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64UBFX { break } if v_1.AuxInt != arm64BFAuxInt(16, 16) { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVHstore [2] {s} (ADDshiftLL [1] ptr0 idx0) (UBFX [arm64BFAuxInt(16, 16)] w) x:(MOVHstoreidx2 ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) // result: (MOVWstoreidx ptr1 (SLLconst <idx1.Type> [1] idx1) w mem) for { if v.AuxInt != 2 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 1 { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64UBFX { break } if v_1.AuxInt != arm64BFAuxInt(16, 16) { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstoreidx2 { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr1) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) v0.AuxInt = 1 v0.AddArg(idx1) v.AddArg(v0) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVHstore [i] {s} ptr0 (SRLconst [16] (MOVDreg w)) x:(MOVHstore [i-2] {s} ptr1 w mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVWstore [i-2] {s} ptr0 w mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 16 { break } v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64MOVDreg { break } w := v_1_0.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstore { break } if x.AuxInt != i-2 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] if w != x.Args[1] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVWstore) v.AuxInt = i - 2 v.Aux = s v.AddArg(ptr0) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVHstore [2] {s} (ADD ptr0 idx0) (SRLconst [16] (MOVDreg w)) x:(MOVHstoreidx ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVWstoreidx ptr1 idx1 w mem) for { if v.AuxInt != 2 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 16 { break } v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64MOVDreg { break } w := v_1_0.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVHstore [2] {s} (ADDshiftLL [1] ptr0 idx0) (SRLconst [16] (MOVDreg w)) x:(MOVHstoreidx2 ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) // result: (MOVWstoreidx ptr1 (SLLconst <idx1.Type> [1] idx1) w mem) for { if v.AuxInt != 2 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 1 { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 16 { break } v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64MOVDreg { break } w := v_1_0.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstoreidx2 { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr1) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) v0.AuxInt = 1 v0.AddArg(idx1) v.AddArg(v0) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVHstore [i] {s} ptr0 (SRLconst [j] w) x:(MOVHstore [i-2] {s} ptr1 w0:(SRLconst [j-16] w) mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVWstore [i-2] {s} ptr0 w0 mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } j := v_1.AuxInt w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstore { break } if x.AuxInt != i-2 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] w0 := x.Args[1] if w0.Op != OpARM64SRLconst { break } if w0.AuxInt != j-16 { break } if w != w0.Args[0] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVWstore) v.AuxInt = i - 2 v.Aux = s v.AddArg(ptr0) v.AddArg(w0) v.AddArg(mem) return true } // match: (MOVHstore [2] {s} (ADD ptr0 idx0) (SRLconst [j] w) x:(MOVHstoreidx ptr1 idx1 w0:(SRLconst [j-16] w) mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVWstoreidx ptr1 idx1 w0 mem) for { if v.AuxInt != 2 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } j := v_1.AuxInt w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] w0 := x.Args[2] if w0.Op != OpARM64SRLconst { break } if w0.AuxInt != j-16 { break } if w != w0.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVHstore_20(v *Value) bool { b := v.Block _ = b // match: (MOVHstore [2] {s} (ADDshiftLL [1] ptr0 idx0) (SRLconst [j] w) x:(MOVHstoreidx2 ptr1 idx1 w0:(SRLconst [j-16] w) mem)) // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) // result: (MOVWstoreidx ptr1 (SLLconst <idx1.Type> [1] idx1) w0 mem) for { if v.AuxInt != 2 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 1 { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } j := v_1.AuxInt w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstoreidx2 { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] w0 := x.Args[2] if w0.Op != OpARM64SRLconst { break } if w0.AuxInt != j-16 { break } if w != w0.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr1) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) v0.AuxInt = 1 v0.AddArg(idx1) v.AddArg(v0) v.AddArg(w0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVHstoreidx_0(v *Value) bool { // match: (MOVHstoreidx ptr (MOVDconst [c]) val mem) // cond: // result: (MOVHstore [c] ptr val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVHstore) v.AuxInt = c v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVHstoreidx (MOVDconst [c]) idx val mem) // cond: // result: (MOVHstore [c] idx val mem) for { _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt idx := v.Args[1] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVHstore) v.AuxInt = c v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVHstoreidx ptr (SLLconst [1] idx) val mem) // cond: // result: (MOVHstoreidx2 ptr idx val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } if v_1.AuxInt != 1 { break } idx := v_1.Args[0] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVHstoreidx ptr (ADD idx idx) val mem) // cond: // result: (MOVHstoreidx2 ptr idx val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADD { break } _ = v_1.Args[1] idx := v_1.Args[0] if idx != v_1.Args[1] { break } val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVHstoreidx (SLLconst [1] idx) ptr val mem) // cond: // result: (MOVHstoreidx2 ptr idx val mem) for { _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 1 { break } idx := v_0.Args[0] ptr := v.Args[1] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVHstoreidx (ADD idx idx) ptr val mem) // cond: // result: (MOVHstoreidx2 ptr idx val mem) for { _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] idx := v_0.Args[0] if idx != v_0.Args[1] { break } ptr := v.Args[1] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVHstoreidx ptr idx (MOVDconst [0]) mem) // cond: // result: (MOVHstorezeroidx ptr idx mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 0 { break } mem := v.Args[3] v.reset(OpARM64MOVHstorezeroidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHstoreidx ptr idx (MOVHreg x) mem) // cond: // result: (MOVHstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVHreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVHstoreidx ptr idx (MOVHUreg x) mem) // cond: // result: (MOVHstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVHUreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVHstoreidx ptr idx (MOVWreg x) mem) // cond: // result: (MOVHstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVHstoreidx_10(v *Value) bool { // match: (MOVHstoreidx ptr idx (MOVWUreg x) mem) // cond: // result: (MOVHstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWUreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVHstoreidx ptr (ADDconst [2] idx) (SRLconst [16] w) x:(MOVHstoreidx ptr idx w mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVWstoreidx ptr idx w mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADDconst { break } if v_1.AuxInt != 2 { break } idx := v_1.Args[0] v_2 := v.Args[2] if v_2.Op != OpARM64SRLconst { break } if v_2.AuxInt != 16 { break } w := v_2.Args[0] x := v.Args[3] if x.Op != OpARM64MOVHstoreidx { break } _ = x.Args[3] if ptr != x.Args[0] { break } if idx != x.Args[1] { break } if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(w) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVHstoreidx2_0(v *Value) bool { // match: (MOVHstoreidx2 ptr (MOVDconst [c]) val mem) // cond: // result: (MOVHstore [c<<1] ptr val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVHstore) v.AuxInt = c << 1 v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVHstoreidx2 ptr idx (MOVDconst [0]) mem) // cond: // result: (MOVHstorezeroidx2 ptr idx mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 0 { break } mem := v.Args[3] v.reset(OpARM64MOVHstorezeroidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHstoreidx2 ptr idx (MOVHreg x) mem) // cond: // result: (MOVHstoreidx2 ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVHreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVHstoreidx2 ptr idx (MOVHUreg x) mem) // cond: // result: (MOVHstoreidx2 ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVHUreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVHstoreidx2 ptr idx (MOVWreg x) mem) // cond: // result: (MOVHstoreidx2 ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVHstoreidx2 ptr idx (MOVWUreg x) mem) // cond: // result: (MOVHstoreidx2 ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWUreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVHstoreidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVHstorezero_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVHstorezero [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVHstorezero [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVHstorezero) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVHstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVHstorezero) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHstorezero [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVHstorezeroidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVHstorezeroidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHstorezero [off] {sym} (ADDshiftLL [1] ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVHstorezeroidx2 ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 1 { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVHstorezeroidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHstorezero [i] {s} ptr0 x:(MOVHstorezero [j] {s} ptr1 mem)) // cond: x.Uses == 1 && areAdjacentOffsets(i,j,2) && is32Bit(min(i,j)) && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVWstorezero [min(i,j)] {s} ptr0 mem) for { i := v.AuxInt s := v.Aux _ = v.Args[1] ptr0 := v.Args[0] x := v.Args[1] if x.Op != OpARM64MOVHstorezero { break } j := x.AuxInt if x.Aux != s { break } _ = x.Args[1] ptr1 := x.Args[0] mem := x.Args[1] if !(x.Uses == 1 && areAdjacentOffsets(i, j, 2) && is32Bit(min(i, j)) && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVWstorezero) v.AuxInt = min(i, j) v.Aux = s v.AddArg(ptr0) v.AddArg(mem) return true } // match: (MOVHstorezero [2] {s} (ADD ptr0 idx0) x:(MOVHstorezeroidx ptr1 idx1 mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVWstorezeroidx ptr1 idx1 mem) for { if v.AuxInt != 2 { break } s := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] x := v.Args[1] if x.Op != OpARM64MOVHstorezeroidx { break } _ = x.Args[2] ptr1 := x.Args[0] idx1 := x.Args[1] mem := x.Args[2] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVWstorezeroidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(mem) return true } // match: (MOVHstorezero [2] {s} (ADDshiftLL [1] ptr0 idx0) x:(MOVHstorezeroidx2 ptr1 idx1 mem)) // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) // result: (MOVWstorezeroidx ptr1 (SLLconst <idx1.Type> [1] idx1) mem) for { if v.AuxInt != 2 { break } s := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 1 { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] x := v.Args[1] if x.Op != OpARM64MOVHstorezeroidx2 { break } _ = x.Args[2] ptr1 := x.Args[0] idx1 := x.Args[1] mem := x.Args[2] if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { break } v.reset(OpARM64MOVWstorezeroidx) v.AddArg(ptr1) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) v0.AuxInt = 1 v0.AddArg(idx1) v.AddArg(v0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVHstorezeroidx_0(v *Value) bool { // match: (MOVHstorezeroidx ptr (MOVDconst [c]) mem) // cond: // result: (MOVHstorezero [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVHstorezero) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVHstorezeroidx (MOVDconst [c]) idx mem) // cond: // result: (MOVHstorezero [c] idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt idx := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVHstorezero) v.AuxInt = c v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHstorezeroidx ptr (SLLconst [1] idx) mem) // cond: // result: (MOVHstorezeroidx2 ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } if v_1.AuxInt != 1 { break } idx := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVHstorezeroidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHstorezeroidx ptr (ADD idx idx) mem) // cond: // result: (MOVHstorezeroidx2 ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADD { break } _ = v_1.Args[1] idx := v_1.Args[0] if idx != v_1.Args[1] { break } mem := v.Args[2] v.reset(OpARM64MOVHstorezeroidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHstorezeroidx (SLLconst [1] idx) ptr mem) // cond: // result: (MOVHstorezeroidx2 ptr idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 1 { break } idx := v_0.Args[0] ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVHstorezeroidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHstorezeroidx (ADD idx idx) ptr mem) // cond: // result: (MOVHstorezeroidx2 ptr idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] idx := v_0.Args[0] if idx != v_0.Args[1] { break } ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVHstorezeroidx2) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVHstorezeroidx ptr (ADDconst [2] idx) x:(MOVHstorezeroidx ptr idx mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVWstorezeroidx ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADDconst { break } if v_1.AuxInt != 2 { break } idx := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVHstorezeroidx { break } _ = x.Args[2] if ptr != x.Args[0] { break } if idx != x.Args[1] { break } mem := x.Args[2] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVWstorezeroidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVHstorezeroidx2_0(v *Value) bool { // match: (MOVHstorezeroidx2 ptr (MOVDconst [c]) mem) // cond: // result: (MOVHstorezero [c<<1] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVHstorezero) v.AuxInt = c << 1 v.AddArg(ptr) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVQstorezero_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVQstorezero [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVQstorezero [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVQstorezero) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVQstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVQstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVQstorezero) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVWUload_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVWUload [off] {sym} ptr (FMOVSstore [off] {sym} ptr val _)) // cond: // result: (FMOVSfpgp val) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FMOVSstore { break } if v_1.AuxInt != off { break } if v_1.Aux != sym { break } _ = v_1.Args[2] if ptr != v_1.Args[0] { break } val := v_1.Args[1] v.reset(OpARM64FMOVSfpgp) v.AddArg(val) return true } // match: (MOVWUload [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVWUload [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVWUload) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWUload [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVWUloadidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVWUloadidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWUload [off] {sym} (ADDshiftLL [2] ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVWUloadidx4 ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 2 { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVWUloadidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVWUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVWUload) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWUload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _)) // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) // result: (MOVDconst [0]) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWstorezero { break } off2 := v_1.AuxInt sym2 := v_1.Aux _ = v_1.Args[1] ptr2 := v_1.Args[0] if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MOVWUload [off] {sym} (SB) _) // cond: symIsRO(sym) // result: (MOVDconst [int64(read32(sym, off, config.BigEndian))]) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpSB { break } if !(symIsRO(sym)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = int64(read32(sym, off, config.BigEndian)) return true } return false } func rewriteValueARM64_OpARM64MOVWUloadidx_0(v *Value) bool { // match: (MOVWUloadidx ptr (MOVDconst [c]) mem) // cond: // result: (MOVWUload [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVWUload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWUloadidx (MOVDconst [c]) ptr mem) // cond: // result: (MOVWUload [c] ptr mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVWUload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWUloadidx ptr (SLLconst [2] idx) mem) // cond: // result: (MOVWUloadidx4 ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } if v_1.AuxInt != 2 { break } idx := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVWUloadidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWUloadidx (SLLconst [2] idx) ptr mem) // cond: // result: (MOVWUloadidx4 ptr idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 2 { break } idx := v_0.Args[0] ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVWUloadidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWUloadidx ptr idx (MOVWstorezeroidx ptr2 idx2 _)) // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWstorezeroidx { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVWUloadidx4_0(v *Value) bool { // match: (MOVWUloadidx4 ptr (MOVDconst [c]) mem) // cond: // result: (MOVWUload [c<<2] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVWUload) v.AuxInt = c << 2 v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWUloadidx4 ptr idx (MOVWstorezeroidx4 ptr2 idx2 _)) // cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWstorezeroidx4 { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVWUreg_0(v *Value) bool { // match: (MOVWUreg x:(MOVBUload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWUreg x:(MOVHUload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHUload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWUreg x:(MOVWUload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVWUload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWUreg x:(MOVBUloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWUreg x:(MOVHUloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHUloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWUreg x:(MOVWUloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVWUloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWUreg x:(MOVHUloadidx2 _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHUloadidx2 { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWUreg x:(MOVWUloadidx4 _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVWUloadidx4 { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWUreg x:(MOVBUreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWUreg x:(MOVHUreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHUreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MOVWUreg_10(v *Value) bool { // match: (MOVWUreg x:(MOVWUreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVWUreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWUreg (ANDconst [c] x)) // cond: // result: (ANDconst [c&(1<<32-1)] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64ANDconst { break } c := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64ANDconst) v.AuxInt = c & (1<<32 - 1) v.AddArg(x) return true } // match: (MOVWUreg (MOVDconst [c])) // cond: // result: (MOVDconst [int64(uint32(c))]) for { v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(uint32(c)) return true } // match: (MOVWUreg (SLLconst [sc] x)) // cond: isARM64BFMask(sc, 1<<32-1, sc) // result: (UBFIZ [arm64BFAuxInt(sc, arm64BFWidth(1<<32-1, sc))] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<32-1, sc)) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(sc, arm64BFWidth(1<<32-1, sc)) v.AddArg(x) return true } // match: (MOVWUreg (SRLconst [sc] x)) // cond: isARM64BFMask(sc, 1<<32-1, 0) // result: (UBFX [arm64BFAuxInt(sc, 32)] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<32-1, 0)) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(sc, 32) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MOVWload_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVWload [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVWload [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVWload) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWload [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVWloadidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVWloadidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWload [off] {sym} (ADDshiftLL [2] ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVWloadidx4 ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 2 { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVWloadidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVWload) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _)) // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) // result: (MOVDconst [0]) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWstorezero { break } off2 := v_1.AuxInt sym2 := v_1.Aux _ = v_1.Args[1] ptr2 := v_1.Args[0] if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVWloadidx_0(v *Value) bool { // match: (MOVWloadidx ptr (MOVDconst [c]) mem) // cond: // result: (MOVWload [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVWload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWloadidx (MOVDconst [c]) ptr mem) // cond: // result: (MOVWload [c] ptr mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVWload) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWloadidx ptr (SLLconst [2] idx) mem) // cond: // result: (MOVWloadidx4 ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } if v_1.AuxInt != 2 { break } idx := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVWloadidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWloadidx (SLLconst [2] idx) ptr mem) // cond: // result: (MOVWloadidx4 ptr idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 2 { break } idx := v_0.Args[0] ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVWloadidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWloadidx ptr idx (MOVWstorezeroidx ptr2 idx2 _)) // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWstorezeroidx { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVWloadidx4_0(v *Value) bool { // match: (MOVWloadidx4 ptr (MOVDconst [c]) mem) // cond: // result: (MOVWload [c<<2] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVWload) v.AuxInt = c << 2 v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWloadidx4 ptr idx (MOVWstorezeroidx4 ptr2 idx2 _)) // cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) // result: (MOVDconst [0]) for { _ = v.Args[2] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWstorezeroidx4 { break } _ = v_2.Args[2] ptr2 := v_2.Args[0] idx2 := v_2.Args[1] if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64MOVWreg_0(v *Value) bool { // match: (MOVWreg x:(MOVBload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVBUload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVHload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVHUload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHUload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVWload _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVWload { break } _ = x.Args[1] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVBloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVBUloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVHloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVHUloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHUloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVWloadidx _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVWloadidx { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MOVWreg_10(v *Value) bool { // match: (MOVWreg x:(MOVHloadidx2 _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHloadidx2 { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVHUloadidx2 _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHUloadidx2 { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVWloadidx4 _ _ _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVWloadidx4 { break } _ = x.Args[2] v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVBreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVBUreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVBUreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVHreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVHreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVHreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg x:(MOVWreg _)) // cond: // result: (MOVDreg x) for { x := v.Args[0] if x.Op != OpARM64MOVWreg { break } v.reset(OpARM64MOVDreg) v.AddArg(x) return true } // match: (MOVWreg (MOVDconst [c])) // cond: // result: (MOVDconst [int64(int32(c))]) for { v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(int32(c)) return true } // match: (MOVWreg (SLLconst [lc] x)) // cond: lc < 32 // result: (SBFIZ [arm64BFAuxInt(lc, 32-lc)] x) for { v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } lc := v_0.AuxInt x := v_0.Args[0] if !(lc < 32) { break } v.reset(OpARM64SBFIZ) v.AuxInt = arm64BFAuxInt(lc, 32-lc) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MOVWstore_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVWstore [off] {sym} ptr (FMOVSfpgp val) mem) // cond: // result: (FMOVSstore [off] {sym} ptr val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64FMOVSfpgp { break } val := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64FMOVSstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVWstore [off1] {sym} (ADDconst [off2] ptr) val mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVWstore [off1+off2] {sym} ptr val mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVWstore) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVWstore [off] {sym} (ADD ptr idx) val mem) // cond: off == 0 && sym == nil // result: (MOVWstoreidx ptr idx val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] val := v.Args[1] mem := v.Args[2] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVWstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem) // cond: off == 0 && sym == nil // result: (MOVWstoreidx4 ptr idx val mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 2 { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] val := v.Args[1] mem := v.Args[2] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVWstoreidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVWstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] val := v.Args[1] mem := v.Args[2] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVWstore) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVWstore [off] {sym} ptr (MOVDconst [0]) mem) // cond: // result: (MOVWstorezero [off] {sym} ptr mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 0 { break } mem := v.Args[2] v.reset(OpARM64MOVWstorezero) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem) // cond: // result: (MOVWstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVWstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVWstore [off] {sym} ptr (MOVWUreg x) mem) // cond: // result: (MOVWstore [off] {sym} ptr x mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWUreg { break } x := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVWstore) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVWstore [i] {s} ptr0 (SRLconst [32] w) x:(MOVWstore [i-4] {s} ptr1 w mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVDstore [i-4] {s} ptr0 w mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 32 { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVWstore { break } if x.AuxInt != i-4 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] if w != x.Args[1] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVDstore) v.AuxInt = i - 4 v.Aux = s v.AddArg(ptr0) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVWstore [4] {s} (ADD ptr0 idx0) (SRLconst [32] w) x:(MOVWstoreidx ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVDstoreidx ptr1 idx1 w mem) for { if v.AuxInt != 4 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 32 { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVWstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVDstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVWstore_10(v *Value) bool { b := v.Block _ = b // match: (MOVWstore [4] {s} (ADDshiftLL [2] ptr0 idx0) (SRLconst [32] w) x:(MOVWstoreidx4 ptr1 idx1 w mem)) // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) // result: (MOVDstoreidx ptr1 (SLLconst <idx1.Type> [2] idx1) w mem) for { if v.AuxInt != 4 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 2 { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != 32 { break } w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVWstoreidx4 { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { break } v.reset(OpARM64MOVDstoreidx) v.AddArg(ptr1) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) v0.AuxInt = 2 v0.AddArg(idx1) v.AddArg(v0) v.AddArg(w) v.AddArg(mem) return true } // match: (MOVWstore [i] {s} ptr0 (SRLconst [j] w) x:(MOVWstore [i-4] {s} ptr1 w0:(SRLconst [j-32] w) mem)) // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVDstore [i-4] {s} ptr0 w0 mem) for { i := v.AuxInt s := v.Aux _ = v.Args[2] ptr0 := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } j := v_1.AuxInt w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVWstore { break } if x.AuxInt != i-4 { break } if x.Aux != s { break } _ = x.Args[2] ptr1 := x.Args[0] w0 := x.Args[1] if w0.Op != OpARM64SRLconst { break } if w0.AuxInt != j-32 { break } if w != w0.Args[0] { break } mem := x.Args[2] if !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVDstore) v.AuxInt = i - 4 v.Aux = s v.AddArg(ptr0) v.AddArg(w0) v.AddArg(mem) return true } // match: (MOVWstore [4] {s} (ADD ptr0 idx0) (SRLconst [j] w) x:(MOVWstoreidx ptr1 idx1 w0:(SRLconst [j-32] w) mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVDstoreidx ptr1 idx1 w0 mem) for { if v.AuxInt != 4 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } j := v_1.AuxInt w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVWstoreidx { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] w0 := x.Args[2] if w0.Op != OpARM64SRLconst { break } if w0.AuxInt != j-32 { break } if w != w0.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVDstoreidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(w0) v.AddArg(mem) return true } // match: (MOVWstore [4] {s} (ADDshiftLL [2] ptr0 idx0) (SRLconst [j] w) x:(MOVWstoreidx4 ptr1 idx1 w0:(SRLconst [j-32] w) mem)) // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) // result: (MOVDstoreidx ptr1 (SLLconst <idx1.Type> [2] idx1) w0 mem) for { if v.AuxInt != 4 { break } s := v.Aux _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 2 { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } j := v_1.AuxInt w := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVWstoreidx4 { break } _ = x.Args[3] ptr1 := x.Args[0] idx1 := x.Args[1] w0 := x.Args[2] if w0.Op != OpARM64SRLconst { break } if w0.AuxInt != j-32 { break } if w != w0.Args[0] { break } mem := x.Args[3] if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { break } v.reset(OpARM64MOVDstoreidx) v.AddArg(ptr1) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) v0.AuxInt = 2 v0.AddArg(idx1) v.AddArg(v0) v.AddArg(w0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVWstoreidx_0(v *Value) bool { // match: (MOVWstoreidx ptr (MOVDconst [c]) val mem) // cond: // result: (MOVWstore [c] ptr val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVWstore) v.AuxInt = c v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVWstoreidx (MOVDconst [c]) idx val mem) // cond: // result: (MOVWstore [c] idx val mem) for { _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt idx := v.Args[1] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVWstore) v.AuxInt = c v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVWstoreidx ptr (SLLconst [2] idx) val mem) // cond: // result: (MOVWstoreidx4 ptr idx val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } if v_1.AuxInt != 2 { break } idx := v_1.Args[0] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVWstoreidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVWstoreidx (SLLconst [2] idx) ptr val mem) // cond: // result: (MOVWstoreidx4 ptr idx val mem) for { _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 2 { break } idx := v_0.Args[0] ptr := v.Args[1] val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVWstoreidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVWstoreidx ptr idx (MOVDconst [0]) mem) // cond: // result: (MOVWstorezeroidx ptr idx mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 0 { break } mem := v.Args[3] v.reset(OpARM64MOVWstorezeroidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWstoreidx ptr idx (MOVWreg x) mem) // cond: // result: (MOVWstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVWstoreidx ptr idx (MOVWUreg x) mem) // cond: // result: (MOVWstoreidx ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWUreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVWstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVWstoreidx ptr (ADDconst [4] idx) (SRLconst [32] w) x:(MOVWstoreidx ptr idx w mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVDstoreidx ptr idx w mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADDconst { break } if v_1.AuxInt != 4 { break } idx := v_1.Args[0] v_2 := v.Args[2] if v_2.Op != OpARM64SRLconst { break } if v_2.AuxInt != 32 { break } w := v_2.Args[0] x := v.Args[3] if x.Op != OpARM64MOVWstoreidx { break } _ = x.Args[3] if ptr != x.Args[0] { break } if idx != x.Args[1] { break } if w != x.Args[2] { break } mem := x.Args[3] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVDstoreidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(w) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVWstoreidx4_0(v *Value) bool { // match: (MOVWstoreidx4 ptr (MOVDconst [c]) val mem) // cond: // result: (MOVWstore [c<<2] ptr val mem) for { _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt val := v.Args[2] mem := v.Args[3] v.reset(OpARM64MOVWstore) v.AuxInt = c << 2 v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (MOVWstoreidx4 ptr idx (MOVDconst [0]) mem) // cond: // result: (MOVWstorezeroidx4 ptr idx mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 0 { break } mem := v.Args[3] v.reset(OpARM64MOVWstorezeroidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWstoreidx4 ptr idx (MOVWreg x) mem) // cond: // result: (MOVWstoreidx4 ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVWstoreidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } // match: (MOVWstoreidx4 ptr idx (MOVWUreg x) mem) // cond: // result: (MOVWstoreidx4 ptr idx x mem) for { _ = v.Args[3] ptr := v.Args[0] idx := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVWUreg { break } x := v_2.Args[0] mem := v.Args[3] v.reset(OpARM64MOVWstoreidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(x) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVWstorezero_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (MOVWstorezero [off1] {sym} (ADDconst [off2] ptr) mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVWstorezero [off1+off2] {sym} ptr mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] mem := v.Args[1] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVWstorezero) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (MOVWstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] mem := v.Args[1] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64MOVWstorezero) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWstorezero [off] {sym} (ADD ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVWstorezeroidx ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVWstorezeroidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWstorezero [off] {sym} (ADDshiftLL [2] ptr idx) mem) // cond: off == 0 && sym == nil // result: (MOVWstorezeroidx4 ptr idx mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 2 { break } _ = v_0.Args[1] ptr := v_0.Args[0] idx := v_0.Args[1] mem := v.Args[1] if !(off == 0 && sym == nil) { break } v.reset(OpARM64MOVWstorezeroidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWstorezero [i] {s} ptr0 x:(MOVWstorezero [j] {s} ptr1 mem)) // cond: x.Uses == 1 && areAdjacentOffsets(i,j,4) && is32Bit(min(i,j)) && isSamePtr(ptr0, ptr1) && clobber(x) // result: (MOVDstorezero [min(i,j)] {s} ptr0 mem) for { i := v.AuxInt s := v.Aux _ = v.Args[1] ptr0 := v.Args[0] x := v.Args[1] if x.Op != OpARM64MOVWstorezero { break } j := x.AuxInt if x.Aux != s { break } _ = x.Args[1] ptr1 := x.Args[0] mem := x.Args[1] if !(x.Uses == 1 && areAdjacentOffsets(i, j, 4) && is32Bit(min(i, j)) && isSamePtr(ptr0, ptr1) && clobber(x)) { break } v.reset(OpARM64MOVDstorezero) v.AuxInt = min(i, j) v.Aux = s v.AddArg(ptr0) v.AddArg(mem) return true } // match: (MOVWstorezero [4] {s} (ADD ptr0 idx0) x:(MOVWstorezeroidx ptr1 idx1 mem)) // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) // result: (MOVDstorezeroidx ptr1 idx1 mem) for { if v.AuxInt != 4 { break } s := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADD { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] x := v.Args[1] if x.Op != OpARM64MOVWstorezeroidx { break } _ = x.Args[2] ptr1 := x.Args[0] idx1 := x.Args[1] mem := x.Args[2] if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { break } v.reset(OpARM64MOVDstorezeroidx) v.AddArg(ptr1) v.AddArg(idx1) v.AddArg(mem) return true } // match: (MOVWstorezero [4] {s} (ADDshiftLL [2] ptr0 idx0) x:(MOVWstorezeroidx4 ptr1 idx1 mem)) // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) // result: (MOVDstorezeroidx ptr1 (SLLconst <idx1.Type> [2] idx1) mem) for { if v.AuxInt != 4 { break } s := v.Aux _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ADDshiftLL { break } if v_0.AuxInt != 2 { break } _ = v_0.Args[1] ptr0 := v_0.Args[0] idx0 := v_0.Args[1] x := v.Args[1] if x.Op != OpARM64MOVWstorezeroidx4 { break } _ = x.Args[2] ptr1 := x.Args[0] idx1 := x.Args[1] mem := x.Args[2] if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { break } v.reset(OpARM64MOVDstorezeroidx) v.AddArg(ptr1) v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) v0.AuxInt = 2 v0.AddArg(idx1) v.AddArg(v0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVWstorezeroidx_0(v *Value) bool { // match: (MOVWstorezeroidx ptr (MOVDconst [c]) mem) // cond: // result: (MOVWstorezero [c] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVWstorezero) v.AuxInt = c v.AddArg(ptr) v.AddArg(mem) return true } // match: (MOVWstorezeroidx (MOVDconst [c]) idx mem) // cond: // result: (MOVWstorezero [c] idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt idx := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVWstorezero) v.AuxInt = c v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWstorezeroidx ptr (SLLconst [2] idx) mem) // cond: // result: (MOVWstorezeroidx4 ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } if v_1.AuxInt != 2 { break } idx := v_1.Args[0] mem := v.Args[2] v.reset(OpARM64MOVWstorezeroidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWstorezeroidx (SLLconst [2] idx) ptr mem) // cond: // result: (MOVWstorezeroidx4 ptr idx mem) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 2 { break } idx := v_0.Args[0] ptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVWstorezeroidx4) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } // match: (MOVWstorezeroidx ptr (ADDconst [4] idx) x:(MOVWstorezeroidx ptr idx mem)) // cond: x.Uses == 1 && clobber(x) // result: (MOVDstorezeroidx ptr idx mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ADDconst { break } if v_1.AuxInt != 4 { break } idx := v_1.Args[0] x := v.Args[2] if x.Op != OpARM64MOVWstorezeroidx { break } _ = x.Args[2] if ptr != x.Args[0] { break } if idx != x.Args[1] { break } mem := x.Args[2] if !(x.Uses == 1 && clobber(x)) { break } v.reset(OpARM64MOVDstorezeroidx) v.AddArg(ptr) v.AddArg(idx) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MOVWstorezeroidx4_0(v *Value) bool { // match: (MOVWstorezeroidx4 ptr (MOVDconst [c]) mem) // cond: // result: (MOVWstorezero [c<<2] ptr mem) for { _ = v.Args[2] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt mem := v.Args[2] v.reset(OpARM64MOVWstorezero) v.AuxInt = c << 2 v.AddArg(ptr) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64MSUB_0(v *Value) bool { b := v.Block _ = b // match: (MSUB a x (MOVDconst [-1])) // cond: // result: (ADD a x) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != -1 { break } v.reset(OpARM64ADD) v.AddArg(a) v.AddArg(x) return true } // match: (MSUB a _ (MOVDconst [0])) // cond: // result: a for { _ = v.Args[2] a := v.Args[0] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 0 { break } v.reset(OpCopy) v.Type = a.Type v.AddArg(a) return true } // match: (MSUB a x (MOVDconst [1])) // cond: // result: (SUB a x) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 1 { break } v.reset(OpARM64SUB) v.AddArg(a) v.AddArg(x) return true } // match: (MSUB a x (MOVDconst [c])) // cond: isPowerOfTwo(c) // result: (SUBshiftLL a x [log2(c)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c) v.AddArg(a) v.AddArg(x) return true } // match: (MSUB a x (MOVDconst [c])) // cond: isPowerOfTwo(c-1) && c>=3 // result: (SUB a (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c-1) && c >= 3) { break } v.reset(OpARM64SUB) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUB a x (MOVDconst [c])) // cond: isPowerOfTwo(c+1) && c>=7 // result: (ADD a (SUBshiftLL <x.Type> x x [log2(c+1)])) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c+1) && c >= 7) { break } v.reset(OpARM64ADD) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = log2(c + 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUB a x (MOVDconst [c])) // cond: c%3 == 0 && isPowerOfTwo(c/3) // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log2(c/3)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%3 == 0 && isPowerOfTwo(c/3)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 3) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUB a x (MOVDconst [c])) // cond: c%5 == 0 && isPowerOfTwo(c/5) // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log2(c/5)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%5 == 0 && isPowerOfTwo(c/5)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 5) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUB a x (MOVDconst [c])) // cond: c%7 == 0 && isPowerOfTwo(c/7) // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log2(c/7)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%7 == 0 && isPowerOfTwo(c/7)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 7) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUB a x (MOVDconst [c])) // cond: c%9 == 0 && isPowerOfTwo(c/9) // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log2(c/9)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%9 == 0 && isPowerOfTwo(c/9)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 9) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MSUB_10(v *Value) bool { b := v.Block _ = b // match: (MSUB a (MOVDconst [-1]) x) // cond: // result: (ADD a x) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != -1 { break } x := v.Args[2] v.reset(OpARM64ADD) v.AddArg(a) v.AddArg(x) return true } // match: (MSUB a (MOVDconst [0]) _) // cond: // result: a for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 0 { break } v.reset(OpCopy) v.Type = a.Type v.AddArg(a) return true } // match: (MSUB a (MOVDconst [1]) x) // cond: // result: (SUB a x) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 1 { break } x := v.Args[2] v.reset(OpARM64SUB) v.AddArg(a) v.AddArg(x) return true } // match: (MSUB a (MOVDconst [c]) x) // cond: isPowerOfTwo(c) // result: (SUBshiftLL a x [log2(c)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c) v.AddArg(a) v.AddArg(x) return true } // match: (MSUB a (MOVDconst [c]) x) // cond: isPowerOfTwo(c-1) && c>=3 // result: (SUB a (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c-1) && c >= 3) { break } v.reset(OpARM64SUB) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUB a (MOVDconst [c]) x) // cond: isPowerOfTwo(c+1) && c>=7 // result: (ADD a (SUBshiftLL <x.Type> x x [log2(c+1)])) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c+1) && c >= 7) { break } v.reset(OpARM64ADD) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = log2(c + 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUB a (MOVDconst [c]) x) // cond: c%3 == 0 && isPowerOfTwo(c/3) // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log2(c/3)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%3 == 0 && isPowerOfTwo(c/3)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 3) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUB a (MOVDconst [c]) x) // cond: c%5 == 0 && isPowerOfTwo(c/5) // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log2(c/5)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%5 == 0 && isPowerOfTwo(c/5)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 5) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUB a (MOVDconst [c]) x) // cond: c%7 == 0 && isPowerOfTwo(c/7) // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log2(c/7)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%7 == 0 && isPowerOfTwo(c/7)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 7) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUB a (MOVDconst [c]) x) // cond: c%9 == 0 && isPowerOfTwo(c/9) // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log2(c/9)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%9 == 0 && isPowerOfTwo(c/9)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 9) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MSUB_20(v *Value) bool { b := v.Block _ = b // match: (MSUB (MOVDconst [c]) x y) // cond: // result: (ADDconst [c] (MNEG <x.Type> x y)) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] y := v.Args[2] v.reset(OpARM64ADDconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64MNEG, x.Type) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } // match: (MSUB a (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (SUBconst [c*d] a) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } d := v_2.AuxInt v.reset(OpARM64SUBconst) v.AuxInt = c * d v.AddArg(a) return true } return false } func rewriteValueARM64_OpARM64MSUBW_0(v *Value) bool { b := v.Block _ = b // match: (MSUBW a x (MOVDconst [c])) // cond: int32(c)==-1 // result: (ADD a x) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(int32(c) == -1) { break } v.reset(OpARM64ADD) v.AddArg(a) v.AddArg(x) return true } // match: (MSUBW a _ (MOVDconst [c])) // cond: int32(c)==0 // result: a for { _ = v.Args[2] a := v.Args[0] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(int32(c) == 0) { break } v.reset(OpCopy) v.Type = a.Type v.AddArg(a) return true } // match: (MSUBW a x (MOVDconst [c])) // cond: int32(c)==1 // result: (SUB a x) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(int32(c) == 1) { break } v.reset(OpARM64SUB) v.AddArg(a) v.AddArg(x) return true } // match: (MSUBW a x (MOVDconst [c])) // cond: isPowerOfTwo(c) // result: (SUBshiftLL a x [log2(c)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c) v.AddArg(a) v.AddArg(x) return true } // match: (MSUBW a x (MOVDconst [c])) // cond: isPowerOfTwo(c-1) && int32(c)>=3 // result: (SUB a (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c-1) && int32(c) >= 3) { break } v.reset(OpARM64SUB) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUBW a x (MOVDconst [c])) // cond: isPowerOfTwo(c+1) && int32(c)>=7 // result: (ADD a (SUBshiftLL <x.Type> x x [log2(c+1)])) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(isPowerOfTwo(c+1) && int32(c) >= 7) { break } v.reset(OpARM64ADD) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = log2(c + 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUBW a x (MOVDconst [c])) // cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c) // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log2(c/3)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 3) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUBW a x (MOVDconst [c])) // cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c) // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log2(c/5)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 5) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUBW a x (MOVDconst [c])) // cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c) // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log2(c/7)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 7) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUBW a x (MOVDconst [c])) // cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c) // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log2(c/9)]) for { _ = v.Args[2] a := v.Args[0] x := v.Args[1] v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } c := v_2.AuxInt if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 9) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MSUBW_10(v *Value) bool { b := v.Block _ = b // match: (MSUBW a (MOVDconst [c]) x) // cond: int32(c)==-1 // result: (ADD a x) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(int32(c) == -1) { break } v.reset(OpARM64ADD) v.AddArg(a) v.AddArg(x) return true } // match: (MSUBW a (MOVDconst [c]) _) // cond: int32(c)==0 // result: a for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(int32(c) == 0) { break } v.reset(OpCopy) v.Type = a.Type v.AddArg(a) return true } // match: (MSUBW a (MOVDconst [c]) x) // cond: int32(c)==1 // result: (SUB a x) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(int32(c) == 1) { break } v.reset(OpARM64SUB) v.AddArg(a) v.AddArg(x) return true } // match: (MSUBW a (MOVDconst [c]) x) // cond: isPowerOfTwo(c) // result: (SUBshiftLL a x [log2(c)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c) v.AddArg(a) v.AddArg(x) return true } // match: (MSUBW a (MOVDconst [c]) x) // cond: isPowerOfTwo(c-1) && int32(c)>=3 // result: (SUB a (ADDshiftLL <x.Type> x x [log2(c-1)])) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c-1) && int32(c) >= 3) { break } v.reset(OpARM64SUB) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = log2(c - 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUBW a (MOVDconst [c]) x) // cond: isPowerOfTwo(c+1) && int32(c)>=7 // result: (ADD a (SUBshiftLL <x.Type> x x [log2(c+1)])) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(isPowerOfTwo(c+1) && int32(c) >= 7) { break } v.reset(OpARM64ADD) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = log2(c + 1) v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUBW a (MOVDconst [c]) x) // cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c) // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log2(c/3)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 3) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUBW a (MOVDconst [c]) x) // cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c) // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log2(c/5)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 5) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUBW a (MOVDconst [c]) x) // cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c) // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log2(c/7)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c / 7) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MSUBW a (MOVDconst [c]) x) // cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c) // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log2(c/9)]) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt x := v.Args[2] if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = log2(c / 9) v.AddArg(a) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MSUBW_20(v *Value) bool { b := v.Block _ = b // match: (MSUBW (MOVDconst [c]) x y) // cond: // result: (ADDconst [c] (MNEGW <x.Type> x y)) for { _ = v.Args[2] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] y := v.Args[2] v.reset(OpARM64ADDconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64MNEGW, x.Type) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } // match: (MSUBW a (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (SUBconst [int64(int32(c)*int32(d))] a) for { _ = v.Args[2] a := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } d := v_2.AuxInt v.reset(OpARM64SUBconst) v.AuxInt = int64(int32(c) * int32(d)) v.AddArg(a) return true } return false } func rewriteValueARM64_OpARM64MUL_0(v *Value) bool { // match: (MUL (NEG x) y) // cond: // result: (MNEG x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64NEG { break } x := v_0.Args[0] y := v.Args[1] v.reset(OpARM64MNEG) v.AddArg(x) v.AddArg(y) return true } // match: (MUL y (NEG x)) // cond: // result: (MNEG x y) for { _ = v.Args[1] y := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64NEG { break } x := v_1.Args[0] v.reset(OpARM64MNEG) v.AddArg(x) v.AddArg(y) return true } // match: (MUL x (MOVDconst [-1])) // cond: // result: (NEG x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != -1 { break } v.reset(OpARM64NEG) v.AddArg(x) return true } // match: (MUL (MOVDconst [-1]) x) // cond: // result: (NEG x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } if v_0.AuxInt != -1 { break } x := v.Args[1] v.reset(OpARM64NEG) v.AddArg(x) return true } // match: (MUL _ (MOVDconst [0])) // cond: // result: (MOVDconst [0]) for { _ = v.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 0 { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MUL (MOVDconst [0]) _) // cond: // result: (MOVDconst [0]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } if v_0.AuxInt != 0 { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MUL x (MOVDconst [1])) // cond: // result: x for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 1 { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (MUL (MOVDconst [1]) x) // cond: // result: x for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } if v_0.AuxInt != 1 { break } x := v.Args[1] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (MUL x (MOVDconst [c])) // cond: isPowerOfTwo(c) // result: (SLLconst [log2(c)] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c) v.AddArg(x) return true } // match: (MUL (MOVDconst [c]) x) // cond: isPowerOfTwo(c) // result: (SLLconst [log2(c)] x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MUL_10(v *Value) bool { b := v.Block _ = b // match: (MUL x (MOVDconst [c])) // cond: isPowerOfTwo(c-1) && c >= 3 // result: (ADDshiftLL x x [log2(c-1)]) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c-1) && c >= 3) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c - 1) v.AddArg(x) v.AddArg(x) return true } // match: (MUL (MOVDconst [c]) x) // cond: isPowerOfTwo(c-1) && c >= 3 // result: (ADDshiftLL x x [log2(c-1)]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c-1) && c >= 3) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c - 1) v.AddArg(x) v.AddArg(x) return true } // match: (MUL x (MOVDconst [c])) // cond: isPowerOfTwo(c+1) && c >= 7 // result: (ADDshiftLL (NEG <x.Type> x) x [log2(c+1)]) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c+1) && c >= 7) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c + 1) v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v0.AddArg(x) v.AddArg(v0) v.AddArg(x) return true } // match: (MUL (MOVDconst [c]) x) // cond: isPowerOfTwo(c+1) && c >= 7 // result: (ADDshiftLL (NEG <x.Type> x) x [log2(c+1)]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c+1) && c >= 7) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c + 1) v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v0.AddArg(x) v.AddArg(v0) v.AddArg(x) return true } // match: (MUL x (MOVDconst [c])) // cond: c%3 == 0 && isPowerOfTwo(c/3) // result: (SLLconst [log2(c/3)] (ADDshiftLL <x.Type> x x [1])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%3 == 0 && isPowerOfTwo(c/3)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 3) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 1 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MUL (MOVDconst [c]) x) // cond: c%3 == 0 && isPowerOfTwo(c/3) // result: (SLLconst [log2(c/3)] (ADDshiftLL <x.Type> x x [1])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%3 == 0 && isPowerOfTwo(c/3)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 3) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 1 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MUL x (MOVDconst [c])) // cond: c%5 == 0 && isPowerOfTwo(c/5) // result: (SLLconst [log2(c/5)] (ADDshiftLL <x.Type> x x [2])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%5 == 0 && isPowerOfTwo(c/5)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 5) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MUL (MOVDconst [c]) x) // cond: c%5 == 0 && isPowerOfTwo(c/5) // result: (SLLconst [log2(c/5)] (ADDshiftLL <x.Type> x x [2])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%5 == 0 && isPowerOfTwo(c/5)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 5) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MUL x (MOVDconst [c])) // cond: c%7 == 0 && isPowerOfTwo(c/7) // result: (SLLconst [log2(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%7 == 0 && isPowerOfTwo(c/7)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 7) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v1.AddArg(x) v0.AddArg(v1) v0.AddArg(x) v.AddArg(v0) return true } // match: (MUL (MOVDconst [c]) x) // cond: c%7 == 0 && isPowerOfTwo(c/7) // result: (SLLconst [log2(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%7 == 0 && isPowerOfTwo(c/7)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 7) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v1.AddArg(x) v0.AddArg(v1) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MUL_20(v *Value) bool { b := v.Block _ = b // match: (MUL x (MOVDconst [c])) // cond: c%9 == 0 && isPowerOfTwo(c/9) // result: (SLLconst [log2(c/9)] (ADDshiftLL <x.Type> x x [3])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%9 == 0 && isPowerOfTwo(c/9)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 9) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MUL (MOVDconst [c]) x) // cond: c%9 == 0 && isPowerOfTwo(c/9) // result: (SLLconst [log2(c/9)] (ADDshiftLL <x.Type> x x [3])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%9 == 0 && isPowerOfTwo(c/9)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 9) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MUL (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [c*d]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = c * d return true } // match: (MUL (MOVDconst [d]) (MOVDconst [c])) // cond: // result: (MOVDconst [c*d]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = c * d return true } return false } func rewriteValueARM64_OpARM64MULW_0(v *Value) bool { // match: (MULW (NEG x) y) // cond: // result: (MNEGW x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64NEG { break } x := v_0.Args[0] y := v.Args[1] v.reset(OpARM64MNEGW) v.AddArg(x) v.AddArg(y) return true } // match: (MULW y (NEG x)) // cond: // result: (MNEGW x y) for { _ = v.Args[1] y := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64NEG { break } x := v_1.Args[0] v.reset(OpARM64MNEGW) v.AddArg(x) v.AddArg(y) return true } // match: (MULW x (MOVDconst [c])) // cond: int32(c)==-1 // result: (NEG x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(int32(c) == -1) { break } v.reset(OpARM64NEG) v.AddArg(x) return true } // match: (MULW (MOVDconst [c]) x) // cond: int32(c)==-1 // result: (NEG x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(int32(c) == -1) { break } v.reset(OpARM64NEG) v.AddArg(x) return true } // match: (MULW _ (MOVDconst [c])) // cond: int32(c)==0 // result: (MOVDconst [0]) for { _ = v.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(int32(c) == 0) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MULW (MOVDconst [c]) _) // cond: int32(c)==0 // result: (MOVDconst [0]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt if !(int32(c) == 0) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (MULW x (MOVDconst [c])) // cond: int32(c)==1 // result: x for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(int32(c) == 1) { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (MULW (MOVDconst [c]) x) // cond: int32(c)==1 // result: x for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(int32(c) == 1) { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (MULW x (MOVDconst [c])) // cond: isPowerOfTwo(c) // result: (SLLconst [log2(c)] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c) v.AddArg(x) return true } // match: (MULW (MOVDconst [c]) x) // cond: isPowerOfTwo(c) // result: (SLLconst [log2(c)] x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64MULW_10(v *Value) bool { b := v.Block _ = b // match: (MULW x (MOVDconst [c])) // cond: isPowerOfTwo(c-1) && int32(c) >= 3 // result: (ADDshiftLL x x [log2(c-1)]) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c-1) && int32(c) >= 3) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c - 1) v.AddArg(x) v.AddArg(x) return true } // match: (MULW (MOVDconst [c]) x) // cond: isPowerOfTwo(c-1) && int32(c) >= 3 // result: (ADDshiftLL x x [log2(c-1)]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c-1) && int32(c) >= 3) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c - 1) v.AddArg(x) v.AddArg(x) return true } // match: (MULW x (MOVDconst [c])) // cond: isPowerOfTwo(c+1) && int32(c) >= 7 // result: (ADDshiftLL (NEG <x.Type> x) x [log2(c+1)]) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c+1) && int32(c) >= 7) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c + 1) v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v0.AddArg(x) v.AddArg(v0) v.AddArg(x) return true } // match: (MULW (MOVDconst [c]) x) // cond: isPowerOfTwo(c+1) && int32(c) >= 7 // result: (ADDshiftLL (NEG <x.Type> x) x [log2(c+1)]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(isPowerOfTwo(c+1) && int32(c) >= 7) { break } v.reset(OpARM64ADDshiftLL) v.AuxInt = log2(c + 1) v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v0.AddArg(x) v.AddArg(v0) v.AddArg(x) return true } // match: (MULW x (MOVDconst [c])) // cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c) // result: (SLLconst [log2(c/3)] (ADDshiftLL <x.Type> x x [1])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 3) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 1 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MULW (MOVDconst [c]) x) // cond: c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c) // result: (SLLconst [log2(c/3)] (ADDshiftLL <x.Type> x x [1])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%3 == 0 && isPowerOfTwo(c/3) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 3) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 1 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MULW x (MOVDconst [c])) // cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c) // result: (SLLconst [log2(c/5)] (ADDshiftLL <x.Type> x x [2])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 5) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MULW (MOVDconst [c]) x) // cond: c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c) // result: (SLLconst [log2(c/5)] (ADDshiftLL <x.Type> x x [2])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%5 == 0 && isPowerOfTwo(c/5) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 5) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 2 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MULW x (MOVDconst [c])) // cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c) // result: (SLLconst [log2(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 7) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v1.AddArg(x) v0.AddArg(v1) v0.AddArg(x) v.AddArg(v0) return true } // match: (MULW (MOVDconst [c]) x) // cond: c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c) // result: (SLLconst [log2(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%7 == 0 && isPowerOfTwo(c/7) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 7) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) v1.AddArg(x) v0.AddArg(v1) v0.AddArg(x) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpARM64MULW_20(v *Value) bool { b := v.Block _ = b // match: (MULW x (MOVDconst [c])) // cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c) // result: (SLLconst [log2(c/9)] (ADDshiftLL <x.Type> x x [3])) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 9) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MULW (MOVDconst [c]) x) // cond: c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c) // result: (SLLconst [log2(c/9)] (ADDshiftLL <x.Type> x x [3])) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] if !(c%9 == 0 && isPowerOfTwo(c/9) && is32Bit(c)) { break } v.reset(OpARM64SLLconst) v.AuxInt = log2(c / 9) v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) v0.AuxInt = 3 v0.AddArg(x) v0.AddArg(x) v.AddArg(v0) return true } // match: (MULW (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [int64(int32(c)*int32(d))]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(int32(c) * int32(d)) return true } // match: (MULW (MOVDconst [d]) (MOVDconst [c])) // cond: // result: (MOVDconst [int64(int32(c)*int32(d))]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(int32(c) * int32(d)) return true } return false } func rewriteValueARM64_OpARM64MVN_0(v *Value) bool { // match: (MVN (MOVDconst [c])) // cond: // result: (MOVDconst [^c]) for { v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = ^c return true } // match: (MVN x:(SLLconst [c] y)) // cond: clobberIfDead(x) // result: (MVNshiftLL [c] y) for { x := v.Args[0] if x.Op != OpARM64SLLconst { break } c := x.AuxInt y := x.Args[0] if !(clobberIfDead(x)) { break } v.reset(OpARM64MVNshiftLL) v.AuxInt = c v.AddArg(y) return true } // match: (MVN x:(SRLconst [c] y)) // cond: clobberIfDead(x) // result: (MVNshiftRL [c] y) for { x := v.Args[0] if x.Op != OpARM64SRLconst { break } c := x.AuxInt y := x.Args[0] if !(clobberIfDead(x)) { break } v.reset(OpARM64MVNshiftRL) v.AuxInt = c v.AddArg(y) return true } // match: (MVN x:(SRAconst [c] y)) // cond: clobberIfDead(x) // result: (MVNshiftRA [c] y) for { x := v.Args[0] if x.Op != OpARM64SRAconst { break } c := x.AuxInt y := x.Args[0] if !(clobberIfDead(x)) { break } v.reset(OpARM64MVNshiftRA) v.AuxInt = c v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64MVNshiftLL_0(v *Value) bool { // match: (MVNshiftLL (MOVDconst [c]) [d]) // cond: // result: (MOVDconst [^int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = ^int64(uint64(c) << uint64(d)) return true } return false } func rewriteValueARM64_OpARM64MVNshiftRA_0(v *Value) bool { // match: (MVNshiftRA (MOVDconst [c]) [d]) // cond: // result: (MOVDconst [^(c>>uint64(d))]) for { d := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = ^(c >> uint64(d)) return true } return false } func rewriteValueARM64_OpARM64MVNshiftRL_0(v *Value) bool { // match: (MVNshiftRL (MOVDconst [c]) [d]) // cond: // result: (MOVDconst [^int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = ^int64(uint64(c) >> uint64(d)) return true } return false } func rewriteValueARM64_OpARM64NEG_0(v *Value) bool { // match: (NEG (MUL x y)) // cond: // result: (MNEG x y) for { v_0 := v.Args[0] if v_0.Op != OpARM64MUL { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] v.reset(OpARM64MNEG) v.AddArg(x) v.AddArg(y) return true } // match: (NEG (MULW x y)) // cond: // result: (MNEGW x y) for { v_0 := v.Args[0] if v_0.Op != OpARM64MULW { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] v.reset(OpARM64MNEGW) v.AddArg(x) v.AddArg(y) return true } // match: (NEG (MOVDconst [c])) // cond: // result: (MOVDconst [-c]) for { v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = -c return true } // match: (NEG x:(SLLconst [c] y)) // cond: clobberIfDead(x) // result: (NEGshiftLL [c] y) for { x := v.Args[0] if x.Op != OpARM64SLLconst { break } c := x.AuxInt y := x.Args[0] if !(clobberIfDead(x)) { break } v.reset(OpARM64NEGshiftLL) v.AuxInt = c v.AddArg(y) return true } // match: (NEG x:(SRLconst [c] y)) // cond: clobberIfDead(x) // result: (NEGshiftRL [c] y) for { x := v.Args[0] if x.Op != OpARM64SRLconst { break } c := x.AuxInt y := x.Args[0] if !(clobberIfDead(x)) { break } v.reset(OpARM64NEGshiftRL) v.AuxInt = c v.AddArg(y) return true } // match: (NEG x:(SRAconst [c] y)) // cond: clobberIfDead(x) // result: (NEGshiftRA [c] y) for { x := v.Args[0] if x.Op != OpARM64SRAconst { break } c := x.AuxInt y := x.Args[0] if !(clobberIfDead(x)) { break } v.reset(OpARM64NEGshiftRA) v.AuxInt = c v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64NEGshiftLL_0(v *Value) bool { // match: (NEGshiftLL (MOVDconst [c]) [d]) // cond: // result: (MOVDconst [-int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = -int64(uint64(c) << uint64(d)) return true } return false } func rewriteValueARM64_OpARM64NEGshiftRA_0(v *Value) bool { // match: (NEGshiftRA (MOVDconst [c]) [d]) // cond: // result: (MOVDconst [-(c>>uint64(d))]) for { d := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = -(c >> uint64(d)) return true } return false } func rewriteValueARM64_OpARM64NEGshiftRL_0(v *Value) bool { // match: (NEGshiftRL (MOVDconst [c]) [d]) // cond: // result: (MOVDconst [-int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = -int64(uint64(c) >> uint64(d)) return true } return false } func rewriteValueARM64_OpARM64NotEqual_0(v *Value) bool { // match: (NotEqual (FlagEQ)) // cond: // result: (MOVDconst [0]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagEQ { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (NotEqual (FlagLT_ULT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (NotEqual (FlagLT_UGT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagLT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (NotEqual (FlagGT_ULT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_ULT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (NotEqual (FlagGT_UGT)) // cond: // result: (MOVDconst [1]) for { v_0 := v.Args[0] if v_0.Op != OpARM64FlagGT_UGT { break } v.reset(OpARM64MOVDconst) v.AuxInt = 1 return true } // match: (NotEqual (InvertFlags x)) // cond: // result: (NotEqual x) for { v_0 := v.Args[0] if v_0.Op != OpARM64InvertFlags { break } x := v_0.Args[0] v.reset(OpARM64NotEqual) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64OR_0(v *Value) bool { // match: (OR x (MOVDconst [c])) // cond: // result: (ORconst [c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ORconst) v.AuxInt = c v.AddArg(x) return true } // match: (OR (MOVDconst [c]) x) // cond: // result: (ORconst [c] x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ORconst) v.AuxInt = c v.AddArg(x) return true } // match: (OR x x) // cond: // result: x for { _ = v.Args[1] x := v.Args[0] if x != v.Args[1] { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (OR x (MVN y)) // cond: // result: (ORN x y) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MVN { break } y := v_1.Args[0] v.reset(OpARM64ORN) v.AddArg(x) v.AddArg(y) return true } // match: (OR (MVN y) x) // cond: // result: (ORN x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MVN { break } y := v_0.Args[0] x := v.Args[1] v.reset(OpARM64ORN) v.AddArg(x) v.AddArg(y) return true } // match: (OR x0 x1:(SLLconst [c] y)) // cond: clobberIfDead(x1) // result: (ORshiftLL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ORshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (OR x1:(SLLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (ORshiftLL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ORshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (OR x0 x1:(SRLconst [c] y)) // cond: clobberIfDead(x1) // result: (ORshiftRL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ORshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (OR x1:(SRLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (ORshiftRL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ORshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (OR x0 x1:(SRAconst [c] y)) // cond: clobberIfDead(x1) // result: (ORshiftRA x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ORshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64OR_10(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (OR x1:(SRAconst [c] y) x0) // cond: clobberIfDead(x1) // result: (ORshiftRA x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ORshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (OR (SLL x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> {cc} (SRL <typ.UInt64> x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLL { break } _ = v_0.Args[1] x := v_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 63 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt64 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SRL { break } if v_1_0.Type != typ.UInt64 { break } _ = v_1_0.Args[1] if x != v_1_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 64 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 63 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 64 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 63 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } // match: (OR (CSEL0 <typ.UInt64> {cc} (SRL <typ.UInt64> x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y)))) (SLL x (ANDconst <t> [63] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt64 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SRL { break } if v_0_0.Type != typ.UInt64 { break } _ = v_0_0.Args[1] x := v_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 64 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 63 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 64 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 63 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SLL { break } _ = v_1.Args[1] if x != v_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 63 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } // match: (OR (SRL <typ.UInt64> x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> {cc} (SLL x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRL { break } if v_0.Type != typ.UInt64 { break } _ = v_0.Args[1] x := v_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 63 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt64 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SLL { break } _ = v_1_0.Args[1] if x != v_1_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 64 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 63 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 64 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 63 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v.AddArg(y) return true } // match: (OR (CSEL0 <typ.UInt64> {cc} (SLL x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y)))) (SRL <typ.UInt64> x (ANDconst <t> [63] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt64 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SLL { break } _ = v_0_0.Args[1] x := v_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 64 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 63 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 64 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 63 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SRL { break } if v_1.Type != typ.UInt64 { break } _ = v_1.Args[1] if x != v_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 63 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v.AddArg(y) return true } // match: (OR (SLL x (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> {cc} (SRL <typ.UInt32> (MOVWUreg x) (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLL { break } _ = v_0.Args[1] x := v_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 31 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt32 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SRL { break } if v_1_0.Type != typ.UInt32 { break } _ = v_1_0.Args[1] v_1_0_0 := v_1_0.Args[0] if v_1_0_0.Op != OpARM64MOVWUreg { break } if x != v_1_0_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 32 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 31 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 32 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 31 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } // match: (OR (CSEL0 <typ.UInt32> {cc} (SRL <typ.UInt32> (MOVWUreg x) (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y)))) (SLL x (ANDconst <t> [31] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt32 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SRL { break } if v_0_0.Type != typ.UInt32 { break } _ = v_0_0.Args[1] v_0_0_0 := v_0_0.Args[0] if v_0_0_0.Op != OpARM64MOVWUreg { break } x := v_0_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 32 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 31 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 32 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 31 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SLL { break } _ = v_1.Args[1] if x != v_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 31 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } // match: (OR (SRL <typ.UInt32> (MOVWUreg x) (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> {cc} (SLL x (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRL { break } if v_0.Type != typ.UInt32 { break } _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64MOVWUreg { break } x := v_0_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 31 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt32 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SLL { break } _ = v_1_0.Args[1] if x != v_1_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 32 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 31 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 32 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 31 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v.AddArg(y) return true } // match: (OR (CSEL0 <typ.UInt32> {cc} (SLL x (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y)))) (SRL <typ.UInt32> (MOVWUreg x) (ANDconst <t> [31] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt32 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SLL { break } _ = v_0_0.Args[1] x := v_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 32 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 31 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 32 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 31 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SRL { break } if v_1.Type != typ.UInt32 { break } _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64MOVWUreg { break } if x != v_1_0.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 31 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v.AddArg(y) return true } // match: (OR (UBFIZ [bfc] x) (ANDconst [ac] y)) // cond: ac == ^((1<<uint(getARM64BFwidth(bfc))-1) << uint(getARM64BFlsb(bfc))) // result: (BFI [bfc] y x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFIZ { break } bfc := v_0.AuxInt x := v_0.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ANDconst { break } ac := v_1.AuxInt y := v_1.Args[0] if !(ac == ^((1<<uint(getARM64BFwidth(bfc)) - 1) << uint(getARM64BFlsb(bfc)))) { break } v.reset(OpARM64BFI) v.AuxInt = bfc v.AddArg(y) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64OR_20(v *Value) bool { b := v.Block _ = b // match: (OR (ANDconst [ac] y) (UBFIZ [bfc] x)) // cond: ac == ^((1<<uint(getARM64BFwidth(bfc))-1) << uint(getARM64BFlsb(bfc))) // result: (BFI [bfc] y x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ANDconst { break } ac := v_0.AuxInt y := v_0.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64UBFIZ { break } bfc := v_1.AuxInt x := v_1.Args[0] if !(ac == ^((1<<uint(getARM64BFwidth(bfc)) - 1) << uint(getARM64BFlsb(bfc)))) { break } v.reset(OpARM64BFI) v.AuxInt = bfc v.AddArg(y) v.AddArg(x) return true } // match: (OR (UBFX [bfc] x) (ANDconst [ac] y)) // cond: ac == ^(1<<uint(getARM64BFwidth(bfc))-1) // result: (BFXIL [bfc] y x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } bfc := v_0.AuxInt x := v_0.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64ANDconst { break } ac := v_1.AuxInt y := v_1.Args[0] if !(ac == ^(1<<uint(getARM64BFwidth(bfc)) - 1)) { break } v.reset(OpARM64BFXIL) v.AuxInt = bfc v.AddArg(y) v.AddArg(x) return true } // match: (OR (ANDconst [ac] y) (UBFX [bfc] x)) // cond: ac == ^(1<<uint(getARM64BFwidth(bfc))-1) // result: (BFXIL [bfc] y x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ANDconst { break } ac := v_0.AuxInt y := v_0.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64UBFX { break } bfc := v_1.AuxInt x := v_1.Args[0] if !(ac == ^(1<<uint(getARM64BFwidth(bfc)) - 1)) { break } v.reset(OpARM64BFXIL) v.AuxInt = bfc v.AddArg(y) v.AddArg(x) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUload [i3] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i2] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i1] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i0] {s} p mem))) // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (MOVWUload <t> {s} (OffPtr <p.Type> [i0] p) mem) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } i3 := x0.AuxInt s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i2 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i1 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := v.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } i0 := x3.AuxInt if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } if !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(x3.Pos, OpARM64MOVWUload, t) v.reset(OpCopy) v.AddArg(v0) v0.Aux = s v1 := b.NewValue0(x3.Pos, OpOffPtr, p.Type) v1.AuxInt = i0 v1.AddArg(p) v0.AddArg(v1) v0.AddArg(mem) return true } // match: (OR <t> y3:(MOVDnop x3:(MOVBUload [i0] {s} p mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUload [i3] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i2] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i1] {s} p mem)))) // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (MOVWUload <t> {s} (OffPtr <p.Type> [i0] p) mem) for { t := v.Type _ = v.Args[1] y3 := v.Args[0] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } i0 := x3.AuxInt s := x3.Aux _ = x3.Args[1] p := x3.Args[0] mem := x3.Args[1] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } i3 := x0.AuxInt if x0.Aux != s { break } _ = x0.Args[1] if p != x0.Args[0] { break } if mem != x0.Args[1] { break } y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i2 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i1 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } if !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(x2.Pos, OpARM64MOVWUload, t) v.reset(OpCopy) v.AddArg(v0) v0.Aux = s v1 := b.NewValue0(x2.Pos, OpOffPtr, p.Type) v1.AuxInt = i0 v1.AddArg(p) v0.AddArg(v1) v0.AddArg(mem) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUload [3] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [2] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr0 idx0 mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (MOVWUloadidx <t> ptr0 idx0 mem) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } if x0.AuxInt != 3 { break } s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 2 { break } if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 1 { break } if x2.Aux != s { break } _ = x2.Args[1] p1 := x2.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x2.Args[1] { break } y3 := v.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] ptr0 := x3.Args[0] idx0 := x3.Args[1] if mem != x3.Args[2] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(x2.Pos, OpARM64MOVWUloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr0) v0.AddArg(idx0) v0.AddArg(mem) return true } // match: (OR <t> y3:(MOVDnop x3:(MOVBUloadidx ptr0 idx0 mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUload [3] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [2] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem)))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (MOVWUloadidx <t> ptr0 idx0 mem) for { t := v.Type _ = v.Args[1] y3 := v.Args[0] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] ptr0 := x3.Args[0] idx0 := x3.Args[1] mem := x3.Args[2] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } if x0.AuxInt != 3 { break } s := x0.Aux _ = x0.Args[1] p := x0.Args[0] if mem != x0.Args[1] { break } y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 2 { break } if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 1 { break } if x2.Aux != s { break } _ = x2.Args[1] p1 := x2.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x2.Args[1] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(x2.Pos, OpARM64MOVWUloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr0) v0.AddArg(idx0) v0.AddArg(mem) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr idx mem))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (MOVWUloadidx <t> ptr idx mem) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] ptr := x0.Args[0] x0_1 := x0.Args[1] if x0_1.Op != OpARM64ADDconst { break } if x0_1.AuxInt != 3 { break } idx := x0_1.Args[0] mem := x0.Args[2] y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 2 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 1 { break } if idx != x2_1.Args[0] { break } if mem != x2.Args[2] { break } y3 := v.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] if ptr != x3.Args[0] { break } if idx != x3.Args[1] { break } if mem != x3.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(v.Pos, OpARM64MOVWUloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr) v0.AddArg(idx) v0.AddArg(mem) return true } // match: (OR <t> y3:(MOVDnop x3:(MOVBUloadidx ptr idx mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [1] idx) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (MOVWUloadidx <t> ptr idx mem) for { t := v.Type _ = v.Args[1] y3 := v.Args[0] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] ptr := x3.Args[0] idx := x3.Args[1] mem := x3.Args[2] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] if ptr != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64ADDconst { break } if x0_1.AuxInt != 3 { break } if idx != x0_1.Args[0] { break } if mem != x0.Args[2] { break } y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 2 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 1 { break } if idx != x2_1.Args[0] { break } if mem != x2.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(v.Pos, OpARM64MOVWUloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr) v0.AddArg(idx) v0.AddArg(mem) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUload [i7] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i6] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i4] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i3] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [i2] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [i1] {s} p mem))) y7:(MOVDnop x7:(MOVBUload [i0] {s} p mem))) // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDload <t> {s} (OffPtr <p.Type> [i0] p) mem) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } i7 := x0.AuxInt s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i6 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i5 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } i4 := x3.AuxInt if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } i3 := x4.AuxInt if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUload { break } i2 := x5.AuxInt if x5.Aux != s { break } _ = x5.Args[1] if p != x5.Args[0] { break } if mem != x5.Args[1] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUload { break } i1 := x6.AuxInt if x6.Aux != s { break } _ = x6.Args[1] if p != x6.Args[0] { break } if mem != x6.Args[1] { break } y7 := v.Args[1] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUload { break } i0 := x7.AuxInt if x7.Aux != s { break } _ = x7.Args[1] if p != x7.Args[0] { break } if mem != x7.Args[1] { break } if !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(x7.Pos, OpARM64MOVDload, t) v.reset(OpCopy) v.AddArg(v0) v0.Aux = s v1 := b.NewValue0(x7.Pos, OpOffPtr, p.Type) v1.AuxInt = i0 v1.AddArg(p) v0.AddArg(v1) v0.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64OR_30(v *Value) bool { b := v.Block _ = b // match: (OR <t> y7:(MOVDnop x7:(MOVBUload [i0] {s} p mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUload [i7] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i6] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i4] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i3] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [i2] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [i1] {s} p mem)))) // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDload <t> {s} (OffPtr <p.Type> [i0] p) mem) for { t := v.Type _ = v.Args[1] y7 := v.Args[0] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUload { break } i0 := x7.AuxInt s := x7.Aux _ = x7.Args[1] p := x7.Args[0] mem := x7.Args[1] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } i7 := x0.AuxInt if x0.Aux != s { break } _ = x0.Args[1] if p != x0.Args[0] { break } if mem != x0.Args[1] { break } y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i6 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i5 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } i4 := x3.AuxInt if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } i3 := x4.AuxInt if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUload { break } i2 := x5.AuxInt if x5.Aux != s { break } _ = x5.Args[1] if p != x5.Args[0] { break } if mem != x5.Args[1] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUload { break } i1 := x6.AuxInt if x6.Aux != s { break } _ = x6.Args[1] if p != x6.Args[0] { break } if mem != x6.Args[1] { break } if !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(x6.Pos, OpARM64MOVDload, t) v.reset(OpCopy) v.AddArg(v0) v0.Aux = s v1 := b.NewValue0(x6.Pos, OpOffPtr, p.Type) v1.AuxInt = i0 v1.AddArg(p) v0.AddArg(v1) v0.AddArg(mem) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUload [7] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [6] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [4] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [3] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [2] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y7:(MOVDnop x7:(MOVBUloadidx ptr0 idx0 mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDloadidx <t> ptr0 idx0 mem) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } if x0.AuxInt != 7 { break } s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 6 { break } if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 5 { break } if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } if x3.AuxInt != 4 { break } if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } if x4.AuxInt != 3 { break } if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUload { break } if x5.AuxInt != 2 { break } if x5.Aux != s { break } _ = x5.Args[1] if p != x5.Args[0] { break } if mem != x5.Args[1] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUload { break } if x6.AuxInt != 1 { break } if x6.Aux != s { break } _ = x6.Args[1] p1 := x6.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x6.Args[1] { break } y7 := v.Args[1] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUloadidx { break } _ = x7.Args[2] ptr0 := x7.Args[0] idx0 := x7.Args[1] if mem != x7.Args[2] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(x6.Pos, OpARM64MOVDloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr0) v0.AddArg(idx0) v0.AddArg(mem) return true } // match: (OR <t> y7:(MOVDnop x7:(MOVBUloadidx ptr0 idx0 mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUload [7] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [6] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [4] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [3] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [2] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem)))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDloadidx <t> ptr0 idx0 mem) for { t := v.Type _ = v.Args[1] y7 := v.Args[0] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUloadidx { break } _ = x7.Args[2] ptr0 := x7.Args[0] idx0 := x7.Args[1] mem := x7.Args[2] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } if x0.AuxInt != 7 { break } s := x0.Aux _ = x0.Args[1] p := x0.Args[0] if mem != x0.Args[1] { break } y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 6 { break } if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 5 { break } if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } if x3.AuxInt != 4 { break } if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } if x4.AuxInt != 3 { break } if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUload { break } if x5.AuxInt != 2 { break } if x5.Aux != s { break } _ = x5.Args[1] if p != x5.Args[0] { break } if mem != x5.Args[1] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUload { break } if x6.AuxInt != 1 { break } if x6.Aux != s { break } _ = x6.Args[1] p1 := x6.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x6.Args[1] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(x6.Pos, OpARM64MOVDloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr0) v0.AddArg(idx0) v0.AddArg(mem) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUloadidx ptr (ADDconst [7] idx) mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [6] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [5] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [4] idx) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) y5:(MOVDnop x5:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y6:(MOVDnop x6:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y7:(MOVDnop x7:(MOVBUloadidx ptr idx mem))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDloadidx <t> ptr idx mem) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] ptr := x0.Args[0] x0_1 := x0.Args[1] if x0_1.Op != OpARM64ADDconst { break } if x0_1.AuxInt != 7 { break } idx := x0_1.Args[0] mem := x0.Args[2] y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 6 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 5 { break } if idx != x2_1.Args[0] { break } if mem != x2.Args[2] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] if ptr != x3.Args[0] { break } x3_1 := x3.Args[1] if x3_1.Op != OpARM64ADDconst { break } if x3_1.AuxInt != 4 { break } if idx != x3_1.Args[0] { break } if mem != x3.Args[2] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUloadidx { break } _ = x4.Args[2] if ptr != x4.Args[0] { break } x4_1 := x4.Args[1] if x4_1.Op != OpARM64ADDconst { break } if x4_1.AuxInt != 3 { break } if idx != x4_1.Args[0] { break } if mem != x4.Args[2] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUloadidx { break } _ = x5.Args[2] if ptr != x5.Args[0] { break } x5_1 := x5.Args[1] if x5_1.Op != OpARM64ADDconst { break } if x5_1.AuxInt != 2 { break } if idx != x5_1.Args[0] { break } if mem != x5.Args[2] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUloadidx { break } _ = x6.Args[2] if ptr != x6.Args[0] { break } x6_1 := x6.Args[1] if x6_1.Op != OpARM64ADDconst { break } if x6_1.AuxInt != 1 { break } if idx != x6_1.Args[0] { break } if mem != x6.Args[2] { break } y7 := v.Args[1] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUloadidx { break } _ = x7.Args[2] if ptr != x7.Args[0] { break } if idx != x7.Args[1] { break } if mem != x7.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(v.Pos, OpARM64MOVDloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr) v0.AddArg(idx) v0.AddArg(mem) return true } // match: (OR <t> y7:(MOVDnop x7:(MOVBUloadidx ptr idx mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUloadidx ptr (ADDconst [7] idx) mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [6] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [5] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [4] idx) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) y5:(MOVDnop x5:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y6:(MOVDnop x6:(MOVBUloadidx ptr (ADDconst [1] idx) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDloadidx <t> ptr idx mem) for { t := v.Type _ = v.Args[1] y7 := v.Args[0] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUloadidx { break } _ = x7.Args[2] ptr := x7.Args[0] idx := x7.Args[1] mem := x7.Args[2] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] if ptr != x0.Args[0] { break } x0_1 := x0.Args[1] if x0_1.Op != OpARM64ADDconst { break } if x0_1.AuxInt != 7 { break } if idx != x0_1.Args[0] { break } if mem != x0.Args[2] { break } y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 6 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 5 { break } if idx != x2_1.Args[0] { break } if mem != x2.Args[2] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] if ptr != x3.Args[0] { break } x3_1 := x3.Args[1] if x3_1.Op != OpARM64ADDconst { break } if x3_1.AuxInt != 4 { break } if idx != x3_1.Args[0] { break } if mem != x3.Args[2] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUloadidx { break } _ = x4.Args[2] if ptr != x4.Args[0] { break } x4_1 := x4.Args[1] if x4_1.Op != OpARM64ADDconst { break } if x4_1.AuxInt != 3 { break } if idx != x4_1.Args[0] { break } if mem != x4.Args[2] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUloadidx { break } _ = x5.Args[2] if ptr != x5.Args[0] { break } x5_1 := x5.Args[1] if x5_1.Op != OpARM64ADDconst { break } if x5_1.AuxInt != 2 { break } if idx != x5_1.Args[0] { break } if mem != x5.Args[2] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUloadidx { break } _ = x6.Args[2] if ptr != x6.Args[0] { break } x6_1 := x6.Args[1] if x6_1.Op != OpARM64ADDconst { break } if x6_1.AuxInt != 1 { break } if idx != x6_1.Args[0] { break } if mem != x6.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(v.Pos, OpARM64MOVDloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr) v0.AddArg(idx) v0.AddArg(mem) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUload [i0] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i3] {s} p mem))) // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (REVW <t> (MOVWUload <t> {s} (OffPtr <p.Type> [i0] p) mem)) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } i0 := x0.AuxInt s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i1 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i2 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := v.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } i3 := x3.AuxInt if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } if !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(x3.Pos, OpARM64REVW, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x3.Pos, OpARM64MOVWUload, t) v1.Aux = s v2 := b.NewValue0(x3.Pos, OpOffPtr, p.Type) v2.AuxInt = i0 v2.AddArg(p) v1.AddArg(v2) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (OR <t> y3:(MOVDnop x3:(MOVBUload [i3] {s} p mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUload [i0] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i2] {s} p mem)))) // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (REVW <t> (MOVWUload <t> {s} (OffPtr <p.Type> [i0] p) mem)) for { t := v.Type _ = v.Args[1] y3 := v.Args[0] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } i3 := x3.AuxInt s := x3.Aux _ = x3.Args[1] p := x3.Args[0] mem := x3.Args[1] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } i0 := x0.AuxInt if x0.Aux != s { break } _ = x0.Args[1] if p != x0.Args[0] { break } if mem != x0.Args[1] { break } y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i1 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i2 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } if !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(x2.Pos, OpARM64REVW, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x2.Pos, OpARM64MOVWUload, t) v1.Aux = s v2 := b.NewValue0(x2.Pos, OpOffPtr, p.Type) v2.AuxInt = i0 v2.AddArg(p) v1.AddArg(v2) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUloadidx ptr0 idx0 mem))) y1:(MOVDnop x1:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [3] {s} p mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (REVW <t> (MOVWUloadidx <t> ptr0 idx0 mem)) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] ptr0 := x0.Args[0] idx0 := x0.Args[1] mem := x0.Args[2] y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 1 { break } s := x1.Aux _ = x1.Args[1] p1 := x1.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x1.Args[1] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 2 { break } if x2.Aux != s { break } _ = x2.Args[1] p := x2.Args[0] if mem != x2.Args[1] { break } y3 := v.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } if x3.AuxInt != 3 { break } if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(x3.Pos, OpARM64REVW, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x3.Pos, OpARM64MOVWUloadidx, t) v1.AddArg(ptr0) v1.AddArg(idx0) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (OR <t> y3:(MOVDnop x3:(MOVBUload [3] {s} p mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUloadidx ptr0 idx0 mem))) y1:(MOVDnop x1:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [2] {s} p mem)))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (REVW <t> (MOVWUloadidx <t> ptr0 idx0 mem)) for { t := v.Type _ = v.Args[1] y3 := v.Args[0] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } if x3.AuxInt != 3 { break } s := x3.Aux _ = x3.Args[1] p := x3.Args[0] mem := x3.Args[1] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] ptr0 := x0.Args[0] idx0 := x0.Args[1] if mem != x0.Args[2] { break } y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 1 { break } if x1.Aux != s { break } _ = x1.Args[1] p1 := x1.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x1.Args[1] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 2 { break } if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(x2.Pos, OpARM64REVW, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x2.Pos, OpARM64MOVWUloadidx, t) v1.AddArg(ptr0) v1.AddArg(idx0) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUloadidx ptr idx mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (REVW <t> (MOVWUloadidx <t> ptr idx mem)) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] ptr := x0.Args[0] idx := x0.Args[1] mem := x0.Args[2] y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 1 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 2 { break } if idx != x2_1.Args[0] { break } if mem != x2.Args[2] { break } y3 := v.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] if ptr != x3.Args[0] { break } x3_1 := x3.Args[1] if x3_1.Op != OpARM64ADDconst { break } if x3_1.AuxInt != 3 { break } if idx != x3_1.Args[0] { break } if mem != x3.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(v.Pos, OpARM64REVW, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVWUloadidx, t) v1.AddArg(ptr) v1.AddArg(idx) v1.AddArg(mem) v0.AddArg(v1) return true } return false } func rewriteValueARM64_OpARM64OR_40(v *Value) bool { b := v.Block _ = b // match: (OR <t> y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [3] idx) mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUloadidx ptr idx mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [2] idx) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3) (REVW <t> (MOVWUloadidx <t> ptr idx mem)) for { t := v.Type _ = v.Args[1] y3 := v.Args[0] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] ptr := x3.Args[0] x3_1 := x3.Args[1] if x3_1.Op != OpARM64ADDconst { break } if x3_1.AuxInt != 3 { break } idx := x3_1.Args[0] mem := x3.Args[2] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] s0 := o1.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 24 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] if ptr != x0.Args[0] { break } if idx != x0.Args[1] { break } if mem != x0.Args[2] { break } y1 := o1.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 1 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := o0.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 2 { break } if idx != x2_1.Args[0] { break } if mem != x2.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(o0) && clobber(o1) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3) v0 := b.NewValue0(v.Pos, OpARM64REVW, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVWUloadidx, t) v1.AddArg(ptr) v1.AddArg(idx) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUload [i0] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i3] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i4] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [i5] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [i6] {s} p mem))) y7:(MOVDnop x7:(MOVBUload [i7] {s} p mem))) // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (REV <t> (MOVDload <t> {s} (OffPtr <p.Type> [i0] p) mem)) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } i0 := x0.AuxInt s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i1 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i2 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } i3 := x3.AuxInt if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } i4 := x4.AuxInt if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUload { break } i5 := x5.AuxInt if x5.Aux != s { break } _ = x5.Args[1] if p != x5.Args[0] { break } if mem != x5.Args[1] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUload { break } i6 := x6.AuxInt if x6.Aux != s { break } _ = x6.Args[1] if p != x6.Args[0] { break } if mem != x6.Args[1] { break } y7 := v.Args[1] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUload { break } i7 := x7.AuxInt if x7.Aux != s { break } _ = x7.Args[1] if p != x7.Args[0] { break } if mem != x7.Args[1] { break } if !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(x7.Pos, OpARM64REV, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x7.Pos, OpARM64MOVDload, t) v1.Aux = s v2 := b.NewValue0(x7.Pos, OpOffPtr, p.Type) v2.AuxInt = i0 v2.AddArg(p) v1.AddArg(v2) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (OR <t> y7:(MOVDnop x7:(MOVBUload [i7] {s} p mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUload [i0] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i3] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i4] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [i5] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [i6] {s} p mem)))) // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (REV <t> (MOVDload <t> {s} (OffPtr <p.Type> [i0] p) mem)) for { t := v.Type _ = v.Args[1] y7 := v.Args[0] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUload { break } i7 := x7.AuxInt s := x7.Aux _ = x7.Args[1] p := x7.Args[0] mem := x7.Args[1] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } i0 := x0.AuxInt if x0.Aux != s { break } _ = x0.Args[1] if p != x0.Args[0] { break } if mem != x0.Args[1] { break } y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i1 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i2 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } i3 := x3.AuxInt if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } i4 := x4.AuxInt if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUload { break } i5 := x5.AuxInt if x5.Aux != s { break } _ = x5.Args[1] if p != x5.Args[0] { break } if mem != x5.Args[1] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUload { break } i6 := x6.AuxInt if x6.Aux != s { break } _ = x6.Args[1] if p != x6.Args[0] { break } if mem != x6.Args[1] { break } if !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(x6.Pos, OpARM64REV, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x6.Pos, OpARM64MOVDload, t) v1.Aux = s v2 := b.NewValue0(x6.Pos, OpOffPtr, p.Type) v2.AuxInt = i0 v2.AddArg(p) v1.AddArg(v2) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUloadidx ptr0 idx0 mem))) y1:(MOVDnop x1:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [3] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [4] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [5] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [6] {s} p mem))) y7:(MOVDnop x7:(MOVBUload [7] {s} p mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (REV <t> (MOVDloadidx <t> ptr0 idx0 mem)) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] ptr0 := x0.Args[0] idx0 := x0.Args[1] mem := x0.Args[2] y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 1 { break } s := x1.Aux _ = x1.Args[1] p1 := x1.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x1.Args[1] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 2 { break } if x2.Aux != s { break } _ = x2.Args[1] p := x2.Args[0] if mem != x2.Args[1] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } if x3.AuxInt != 3 { break } if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } if x4.AuxInt != 4 { break } if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUload { break } if x5.AuxInt != 5 { break } if x5.Aux != s { break } _ = x5.Args[1] if p != x5.Args[0] { break } if mem != x5.Args[1] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUload { break } if x6.AuxInt != 6 { break } if x6.Aux != s { break } _ = x6.Args[1] if p != x6.Args[0] { break } if mem != x6.Args[1] { break } y7 := v.Args[1] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUload { break } if x7.AuxInt != 7 { break } if x7.Aux != s { break } _ = x7.Args[1] if p != x7.Args[0] { break } if mem != x7.Args[1] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(x7.Pos, OpARM64REV, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x7.Pos, OpARM64MOVDloadidx, t) v1.AddArg(ptr0) v1.AddArg(idx0) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (OR <t> y7:(MOVDnop x7:(MOVBUload [7] {s} p mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUloadidx ptr0 idx0 mem))) y1:(MOVDnop x1:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [3] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [4] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [5] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [6] {s} p mem)))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (REV <t> (MOVDloadidx <t> ptr0 idx0 mem)) for { t := v.Type _ = v.Args[1] y7 := v.Args[0] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUload { break } if x7.AuxInt != 7 { break } s := x7.Aux _ = x7.Args[1] p := x7.Args[0] mem := x7.Args[1] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] ptr0 := x0.Args[0] idx0 := x0.Args[1] if mem != x0.Args[2] { break } y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 1 { break } if x1.Aux != s { break } _ = x1.Args[1] p1 := x1.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x1.Args[1] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 2 { break } if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } if x3.AuxInt != 3 { break } if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } if x4.AuxInt != 4 { break } if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUload { break } if x5.AuxInt != 5 { break } if x5.Aux != s { break } _ = x5.Args[1] if p != x5.Args[0] { break } if mem != x5.Args[1] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUload { break } if x6.AuxInt != 6 { break } if x6.Aux != s { break } _ = x6.Args[1] if p != x6.Args[0] { break } if mem != x6.Args[1] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(x6.Pos, OpARM64REV, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x6.Pos, OpARM64MOVDloadidx, t) v1.AddArg(ptr0) v1.AddArg(idx0) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUloadidx ptr idx mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr (ADDconst [4] idx) mem))) y5:(MOVDnop x5:(MOVBUloadidx ptr (ADDconst [5] idx) mem))) y6:(MOVDnop x6:(MOVBUloadidx ptr (ADDconst [6] idx) mem))) y7:(MOVDnop x7:(MOVBUloadidx ptr (ADDconst [7] idx) mem))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (REV <t> (MOVDloadidx <t> ptr idx mem)) for { t := v.Type _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] ptr := x0.Args[0] idx := x0.Args[1] mem := x0.Args[2] y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 1 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 2 { break } if idx != x2_1.Args[0] { break } if mem != x2.Args[2] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] if ptr != x3.Args[0] { break } x3_1 := x3.Args[1] if x3_1.Op != OpARM64ADDconst { break } if x3_1.AuxInt != 3 { break } if idx != x3_1.Args[0] { break } if mem != x3.Args[2] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUloadidx { break } _ = x4.Args[2] if ptr != x4.Args[0] { break } x4_1 := x4.Args[1] if x4_1.Op != OpARM64ADDconst { break } if x4_1.AuxInt != 4 { break } if idx != x4_1.Args[0] { break } if mem != x4.Args[2] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUloadidx { break } _ = x5.Args[2] if ptr != x5.Args[0] { break } x5_1 := x5.Args[1] if x5_1.Op != OpARM64ADDconst { break } if x5_1.AuxInt != 5 { break } if idx != x5_1.Args[0] { break } if mem != x5.Args[2] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUloadidx { break } _ = x6.Args[2] if ptr != x6.Args[0] { break } x6_1 := x6.Args[1] if x6_1.Op != OpARM64ADDconst { break } if x6_1.AuxInt != 6 { break } if idx != x6_1.Args[0] { break } if mem != x6.Args[2] { break } y7 := v.Args[1] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUloadidx { break } _ = x7.Args[2] if ptr != x7.Args[0] { break } x7_1 := x7.Args[1] if x7_1.Op != OpARM64ADDconst { break } if x7_1.AuxInt != 7 { break } if idx != x7_1.Args[0] { break } if mem != x7.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(v.Pos, OpARM64REV, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDloadidx, t) v1.AddArg(ptr) v1.AddArg(idx) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (OR <t> y7:(MOVDnop x7:(MOVBUloadidx ptr (ADDconst [7] idx) mem)) o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUloadidx ptr idx mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr (ADDconst [4] idx) mem))) y5:(MOVDnop x5:(MOVBUloadidx ptr (ADDconst [5] idx) mem))) y6:(MOVDnop x6:(MOVBUloadidx ptr (ADDconst [6] idx) mem)))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0) // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (REV <t> (MOVDloadidx <t> ptr idx mem)) for { t := v.Type _ = v.Args[1] y7 := v.Args[0] if y7.Op != OpARM64MOVDnop { break } x7 := y7.Args[0] if x7.Op != OpARM64MOVBUloadidx { break } _ = x7.Args[2] ptr := x7.Args[0] x7_1 := x7.Args[1] if x7_1.Op != OpARM64ADDconst { break } if x7_1.AuxInt != 7 { break } idx := x7_1.Args[0] mem := x7.Args[2] o0 := v.Args[1] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 8 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 16 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 24 { break } _ = o2.Args[1] o3 := o2.Args[0] if o3.Op != OpARM64ORshiftLL { break } if o3.AuxInt != 32 { break } _ = o3.Args[1] o4 := o3.Args[0] if o4.Op != OpARM64ORshiftLL { break } if o4.AuxInt != 40 { break } _ = o4.Args[1] o5 := o4.Args[0] if o5.Op != OpARM64ORshiftLL { break } if o5.AuxInt != 48 { break } _ = o5.Args[1] s0 := o5.Args[0] if s0.Op != OpARM64SLLconst { break } if s0.AuxInt != 56 { break } y0 := s0.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] if ptr != x0.Args[0] { break } if idx != x0.Args[1] { break } if mem != x0.Args[2] { break } y1 := o5.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 1 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := o4.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 2 { break } if idx != x2_1.Args[0] { break } if mem != x2.Args[2] { break } y3 := o3.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] if ptr != x3.Args[0] { break } x3_1 := x3.Args[1] if x3_1.Op != OpARM64ADDconst { break } if x3_1.AuxInt != 3 { break } if idx != x3_1.Args[0] { break } if mem != x3.Args[2] { break } y4 := o2.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUloadidx { break } _ = x4.Args[2] if ptr != x4.Args[0] { break } x4_1 := x4.Args[1] if x4_1.Op != OpARM64ADDconst { break } if x4_1.AuxInt != 4 { break } if idx != x4_1.Args[0] { break } if mem != x4.Args[2] { break } y5 := o1.Args[1] if y5.Op != OpARM64MOVDnop { break } x5 := y5.Args[0] if x5.Op != OpARM64MOVBUloadidx { break } _ = x5.Args[2] if ptr != x5.Args[0] { break } x5_1 := x5.Args[1] if x5_1.Op != OpARM64ADDconst { break } if x5_1.AuxInt != 5 { break } if idx != x5_1.Args[0] { break } if mem != x5.Args[2] { break } y6 := o0.Args[1] if y6.Op != OpARM64MOVDnop { break } x6 := y6.Args[0] if x6.Op != OpARM64MOVBUloadidx { break } _ = x6.Args[2] if ptr != x6.Args[0] { break } x6_1 := x6.Args[1] if x6_1.Op != OpARM64ADDconst { break } if x6_1.AuxInt != 6 { break } if idx != x6_1.Args[0] { break } if mem != x6.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(x5) && clobber(x6) && clobber(x7) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(y5) && clobber(y6) && clobber(y7) && clobber(o0) && clobber(o1) && clobber(o2) && clobber(o3) && clobber(o4) && clobber(o5) && clobber(s0)) { break } b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) v0 := b.NewValue0(v.Pos, OpARM64REV, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDloadidx, t) v1.AddArg(ptr) v1.AddArg(idx) v1.AddArg(mem) v0.AddArg(v1) return true } return false } func rewriteValueARM64_OpARM64ORN_0(v *Value) bool { // match: (ORN x (MOVDconst [c])) // cond: // result: (ORconst [^c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ORconst) v.AuxInt = ^c v.AddArg(x) return true } // match: (ORN x x) // cond: // result: (MOVDconst [-1]) for { _ = v.Args[1] x := v.Args[0] if x != v.Args[1] { break } v.reset(OpARM64MOVDconst) v.AuxInt = -1 return true } // match: (ORN x0 x1:(SLLconst [c] y)) // cond: clobberIfDead(x1) // result: (ORNshiftLL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ORNshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (ORN x0 x1:(SRLconst [c] y)) // cond: clobberIfDead(x1) // result: (ORNshiftRL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ORNshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (ORN x0 x1:(SRAconst [c] y)) // cond: clobberIfDead(x1) // result: (ORNshiftRA x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64ORNshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64ORNshiftLL_0(v *Value) bool { // match: (ORNshiftLL x (MOVDconst [c]) [d]) // cond: // result: (ORconst x [^int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ORconst) v.AuxInt = ^int64(uint64(c) << uint64(d)) v.AddArg(x) return true } // match: (ORNshiftLL x (SLLconst x [c]) [d]) // cond: c==d // result: (MOVDconst [-1]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = -1 return true } return false } func rewriteValueARM64_OpARM64ORNshiftRA_0(v *Value) bool { // match: (ORNshiftRA x (MOVDconst [c]) [d]) // cond: // result: (ORconst x [^(c>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ORconst) v.AuxInt = ^(c >> uint64(d)) v.AddArg(x) return true } // match: (ORNshiftRA x (SRAconst x [c]) [d]) // cond: c==d // result: (MOVDconst [-1]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRAconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = -1 return true } return false } func rewriteValueARM64_OpARM64ORNshiftRL_0(v *Value) bool { // match: (ORNshiftRL x (MOVDconst [c]) [d]) // cond: // result: (ORconst x [^int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ORconst) v.AuxInt = ^int64(uint64(c) >> uint64(d)) v.AddArg(x) return true } // match: (ORNshiftRL x (SRLconst x [c]) [d]) // cond: c==d // result: (MOVDconst [-1]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = -1 return true } return false } func rewriteValueARM64_OpARM64ORconst_0(v *Value) bool { // match: (ORconst [0] x) // cond: // result: x for { if v.AuxInt != 0 { break } x := v.Args[0] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (ORconst [-1] _) // cond: // result: (MOVDconst [-1]) for { if v.AuxInt != -1 { break } v.reset(OpARM64MOVDconst) v.AuxInt = -1 return true } // match: (ORconst [c] (MOVDconst [d])) // cond: // result: (MOVDconst [c|d]) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = c | d return true } // match: (ORconst [c] (ORconst [d] x)) // cond: // result: (ORconst [c|d] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64ORconst { break } d := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64ORconst) v.AuxInt = c | d v.AddArg(x) return true } // match: (ORconst [c1] (ANDconst [c2] x)) // cond: c2|c1 == ^0 // result: (ORconst [c1] x) for { c1 := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64ANDconst { break } c2 := v_0.AuxInt x := v_0.Args[0] if !(c2|c1 == ^0) { break } v.reset(OpARM64ORconst) v.AuxInt = c1 v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64ORshiftLL_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (ORshiftLL (MOVDconst [c]) x [d]) // cond: // result: (ORconst [c] (SLLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ORconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (ORshiftLL x (MOVDconst [c]) [d]) // cond: // result: (ORconst x [int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ORconst) v.AuxInt = int64(uint64(c) << uint64(d)) v.AddArg(x) return true } // match: (ORshiftLL x y:(SLLconst x [c]) [d]) // cond: c==d // result: y for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] y := v.Args[1] if y.Op != OpARM64SLLconst { break } c := y.AuxInt if x != y.Args[0] { break } if !(c == d) { break } v.reset(OpCopy) v.Type = y.Type v.AddArg(y) return true } // match: (ORshiftLL [c] (SRLconst x [64-c]) x) // cond: // result: (RORconst [64-c] x) for { c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } if v_0.AuxInt != 64-c { break } x := v_0.Args[0] if x != v.Args[1] { break } v.reset(OpARM64RORconst) v.AuxInt = 64 - c v.AddArg(x) return true } // match: (ORshiftLL <t> [c] (UBFX [bfc] x) x) // cond: c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c) // result: (RORWconst [32-c] x) for { t := v.Type c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } bfc := v_0.AuxInt x := v_0.Args[0] if x != v.Args[1] { break } if !(c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c)) { break } v.reset(OpARM64RORWconst) v.AuxInt = 32 - c v.AddArg(x) return true } // match: (ORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [arm64BFAuxInt(8, 8)] x) x) // cond: // result: (REV16W x) for { if v.Type != typ.UInt16 { break } if v.AuxInt != 8 { break } _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } if v_0.Type != typ.UInt16 { break } if v_0.AuxInt != arm64BFAuxInt(8, 8) { break } x := v_0.Args[0] if x != v.Args[1] { break } v.reset(OpARM64REV16W) v.AddArg(x) return true } // match: (ORshiftLL [c] (SRLconst x [64-c]) x2) // cond: // result: (EXTRconst [64-c] x2 x) for { c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } if v_0.AuxInt != 64-c { break } x := v_0.Args[0] x2 := v.Args[1] v.reset(OpARM64EXTRconst) v.AuxInt = 64 - c v.AddArg(x2) v.AddArg(x) return true } // match: (ORshiftLL <t> [c] (UBFX [bfc] x) x2) // cond: c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c) // result: (EXTRWconst [32-c] x2 x) for { t := v.Type c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } bfc := v_0.AuxInt x := v_0.Args[0] x2 := v.Args[1] if !(c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c)) { break } v.reset(OpARM64EXTRWconst) v.AuxInt = 32 - c v.AddArg(x2) v.AddArg(x) return true } // match: (ORshiftLL [sc] (UBFX [bfc] x) (SRLconst [sc] y)) // cond: sc == getARM64BFwidth(bfc) // result: (BFXIL [bfc] y x) for { sc := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } bfc := v_0.AuxInt x := v_0.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } if v_1.AuxInt != sc { break } y := v_1.Args[0] if !(sc == getARM64BFwidth(bfc)) { break } v.reset(OpARM64BFXIL) v.AuxInt = bfc v.AddArg(y) v.AddArg(x) return true } // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUload [i0] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i1] {s} p mem))) // cond: i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1) // result: @mergePoint(b,x0,x1) (MOVHUload <t> {s} (OffPtr <p.Type> [i0] p) mem) for { t := v.Type if v.AuxInt != 8 { break } _ = v.Args[1] y0 := v.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } i0 := x0.AuxInt s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := v.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i1 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } if !(i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1)) { break } b = mergePoint(b, x0, x1) v0 := b.NewValue0(x1.Pos, OpARM64MOVHUload, t) v.reset(OpCopy) v.AddArg(v0) v0.Aux = s v1 := b.NewValue0(x1.Pos, OpOffPtr, p.Type) v1.AuxInt = i0 v1.AddArg(p) v0.AddArg(v1) v0.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64ORshiftLL_10(v *Value) bool { b := v.Block _ = b // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUloadidx ptr0 idx0 mem)) y1:(MOVDnop x1:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1) // result: @mergePoint(b,x0,x1) (MOVHUloadidx <t> ptr0 idx0 mem) for { t := v.Type if v.AuxInt != 8 { break } _ = v.Args[1] y0 := v.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] ptr0 := x0.Args[0] idx0 := x0.Args[1] mem := x0.Args[2] y1 := v.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 1 { break } s := x1.Aux _ = x1.Args[1] p1 := x1.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x1.Args[1] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1)) { break } b = mergePoint(b, x0, x1) v0 := b.NewValue0(x1.Pos, OpARM64MOVHUloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr0) v0.AddArg(idx0) v0.AddArg(mem) return true } // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUloadidx ptr idx mem)) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) // cond: x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1) // result: @mergePoint(b,x0,x1) (MOVHUloadidx <t> ptr idx mem) for { t := v.Type if v.AuxInt != 8 { break } _ = v.Args[1] y0 := v.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] ptr := x0.Args[0] idx := x0.Args[1] mem := x0.Args[2] y1 := v.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 1 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1)) { break } b = mergePoint(b, x0, x1) v0 := b.NewValue0(v.Pos, OpARM64MOVHUloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr) v0.AddArg(idx) v0.AddArg(mem) return true } // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] x0:(MOVHUload [i0] {s} p mem) y1:(MOVDnop x1:(MOVBUload [i2] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i3] {s} p mem))) // cond: i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y1) && clobber(y2) && clobber(o0) // result: @mergePoint(b,x0,x1,x2) (MOVWUload <t> {s} (OffPtr <p.Type> [i0] p) mem) for { t := v.Type if v.AuxInt != 24 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 16 { break } _ = o0.Args[1] x0 := o0.Args[0] if x0.Op != OpARM64MOVHUload { break } i0 := x0.AuxInt s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o0.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i2 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := v.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i3 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } if !(i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y1) && clobber(y2) && clobber(o0)) { break } b = mergePoint(b, x0, x1, x2) v0 := b.NewValue0(x2.Pos, OpARM64MOVWUload, t) v.reset(OpCopy) v.AddArg(v0) v0.Aux = s v1 := b.NewValue0(x2.Pos, OpOffPtr, p.Type) v1.AuxInt = i0 v1.AddArg(p) v0.AddArg(v1) v0.AddArg(mem) return true } // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] x0:(MOVHUloadidx ptr0 idx0 mem) y1:(MOVDnop x1:(MOVBUload [2] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [3] {s} p mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y1) && clobber(y2) && clobber(o0) // result: @mergePoint(b,x0,x1,x2) (MOVWUloadidx <t> ptr0 idx0 mem) for { t := v.Type if v.AuxInt != 24 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 16 { break } _ = o0.Args[1] x0 := o0.Args[0] if x0.Op != OpARM64MOVHUloadidx { break } _ = x0.Args[2] ptr0 := x0.Args[0] idx0 := x0.Args[1] mem := x0.Args[2] y1 := o0.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 2 { break } s := x1.Aux _ = x1.Args[1] p1 := x1.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x1.Args[1] { break } y2 := v.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 3 { break } if x2.Aux != s { break } _ = x2.Args[1] p := x2.Args[0] if mem != x2.Args[1] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y1) && clobber(y2) && clobber(o0)) { break } b = mergePoint(b, x0, x1, x2) v0 := b.NewValue0(x2.Pos, OpARM64MOVWUloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr0) v0.AddArg(idx0) v0.AddArg(mem) return true } // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] x0:(MOVHUloadidx ptr idx mem) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y1) && clobber(y2) && clobber(o0) // result: @mergePoint(b,x0,x1,x2) (MOVWUloadidx <t> ptr idx mem) for { t := v.Type if v.AuxInt != 24 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 16 { break } _ = o0.Args[1] x0 := o0.Args[0] if x0.Op != OpARM64MOVHUloadidx { break } _ = x0.Args[2] ptr := x0.Args[0] idx := x0.Args[1] mem := x0.Args[2] y1 := o0.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 2 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := v.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 3 { break } if idx != x2_1.Args[0] { break } if mem != x2.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y1) && clobber(y2) && clobber(o0)) { break } b = mergePoint(b, x0, x1, x2) v0 := b.NewValue0(v.Pos, OpARM64MOVWUloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr) v0.AddArg(idx) v0.AddArg(mem) return true } // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] x0:(MOVHUloadidx2 ptr0 idx0 mem) y1:(MOVDnop x1:(MOVBUload [2] {s} p1:(ADDshiftLL [1] ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [3] {s} p mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y1) && clobber(y2) && clobber(o0) // result: @mergePoint(b,x0,x1,x2) (MOVWUloadidx <t> ptr0 (SLLconst <idx0.Type> [1] idx0) mem) for { t := v.Type if v.AuxInt != 24 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 16 { break } _ = o0.Args[1] x0 := o0.Args[0] if x0.Op != OpARM64MOVHUloadidx2 { break } _ = x0.Args[2] ptr0 := x0.Args[0] idx0 := x0.Args[1] mem := x0.Args[2] y1 := o0.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 2 { break } s := x1.Aux _ = x1.Args[1] p1 := x1.Args[0] if p1.Op != OpARM64ADDshiftLL { break } if p1.AuxInt != 1 { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x1.Args[1] { break } y2 := v.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 3 { break } if x2.Aux != s { break } _ = x2.Args[1] p := x2.Args[0] if mem != x2.Args[1] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y1) && clobber(y2) && clobber(o0)) { break } b = mergePoint(b, x0, x1, x2) v0 := b.NewValue0(x2.Pos, OpARM64MOVWUloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr0) v1 := b.NewValue0(x2.Pos, OpARM64SLLconst, idx0.Type) v1.AuxInt = 1 v1.AddArg(idx0) v0.AddArg(v1) v0.AddArg(mem) return true } // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] x0:(MOVWUload [i0] {s} p mem) y1:(MOVDnop x1:(MOVBUload [i4] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i6] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i7] {s} p mem))) // cond: i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2) // result: @mergePoint(b,x0,x1,x2,x3,x4) (MOVDload <t> {s} (OffPtr <p.Type> [i0] p) mem) for { t := v.Type if v.AuxInt != 56 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 48 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 40 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 32 { break } _ = o2.Args[1] x0 := o2.Args[0] if x0.Op != OpARM64MOVWUload { break } i0 := x0.AuxInt s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o2.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i4 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o1.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i5 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := o0.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } i6 := x3.AuxInt if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := v.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } i7 := x4.AuxInt if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } if !(i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2)) { break } b = mergePoint(b, x0, x1, x2, x3, x4) v0 := b.NewValue0(x4.Pos, OpARM64MOVDload, t) v.reset(OpCopy) v.AddArg(v0) v0.Aux = s v1 := b.NewValue0(x4.Pos, OpOffPtr, p.Type) v1.AuxInt = i0 v1.AddArg(p) v0.AddArg(v1) v0.AddArg(mem) return true } // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] x0:(MOVWUloadidx ptr0 idx0 mem) y1:(MOVDnop x1:(MOVBUload [4] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [6] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [7] {s} p mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2) // result: @mergePoint(b,x0,x1,x2,x3,x4) (MOVDloadidx <t> ptr0 idx0 mem) for { t := v.Type if v.AuxInt != 56 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 48 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 40 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 32 { break } _ = o2.Args[1] x0 := o2.Args[0] if x0.Op != OpARM64MOVWUloadidx { break } _ = x0.Args[2] ptr0 := x0.Args[0] idx0 := x0.Args[1] mem := x0.Args[2] y1 := o2.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 4 { break } s := x1.Aux _ = x1.Args[1] p1 := x1.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x1.Args[1] { break } y2 := o1.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 5 { break } if x2.Aux != s { break } _ = x2.Args[1] p := x2.Args[0] if mem != x2.Args[1] { break } y3 := o0.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } if x3.AuxInt != 6 { break } if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := v.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } if x4.AuxInt != 7 { break } if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2)) { break } b = mergePoint(b, x0, x1, x2, x3, x4) v0 := b.NewValue0(x4.Pos, OpARM64MOVDloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr0) v0.AddArg(idx0) v0.AddArg(mem) return true } // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] x0:(MOVWUloadidx4 ptr0 idx0 mem) y1:(MOVDnop x1:(MOVBUload [4] {s} p1:(ADDshiftLL [2] ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [6] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [7] {s} p mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2) // result: @mergePoint(b,x0,x1,x2,x3,x4) (MOVDloadidx <t> ptr0 (SLLconst <idx0.Type> [2] idx0) mem) for { t := v.Type if v.AuxInt != 56 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 48 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 40 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 32 { break } _ = o2.Args[1] x0 := o2.Args[0] if x0.Op != OpARM64MOVWUloadidx4 { break } _ = x0.Args[2] ptr0 := x0.Args[0] idx0 := x0.Args[1] mem := x0.Args[2] y1 := o2.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 4 { break } s := x1.Aux _ = x1.Args[1] p1 := x1.Args[0] if p1.Op != OpARM64ADDshiftLL { break } if p1.AuxInt != 2 { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x1.Args[1] { break } y2 := o1.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 5 { break } if x2.Aux != s { break } _ = x2.Args[1] p := x2.Args[0] if mem != x2.Args[1] { break } y3 := o0.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } if x3.AuxInt != 6 { break } if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := v.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } if x4.AuxInt != 7 { break } if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2)) { break } b = mergePoint(b, x0, x1, x2, x3, x4) v0 := b.NewValue0(x4.Pos, OpARM64MOVDloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr0) v1 := b.NewValue0(x4.Pos, OpARM64SLLconst, idx0.Type) v1.AuxInt = 2 v1.AddArg(idx0) v0.AddArg(v1) v0.AddArg(mem) return true } // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] x0:(MOVWUloadidx ptr idx mem) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [4] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [5] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [6] idx) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr (ADDconst [7] idx) mem))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2) // result: @mergePoint(b,x0,x1,x2,x3,x4) (MOVDloadidx <t> ptr idx mem) for { t := v.Type if v.AuxInt != 56 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 48 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 40 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 32 { break } _ = o2.Args[1] x0 := o2.Args[0] if x0.Op != OpARM64MOVWUloadidx { break } _ = x0.Args[2] ptr := x0.Args[0] idx := x0.Args[1] mem := x0.Args[2] y1 := o2.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 4 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := o1.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 5 { break } if idx != x2_1.Args[0] { break } if mem != x2.Args[2] { break } y3 := o0.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] if ptr != x3.Args[0] { break } x3_1 := x3.Args[1] if x3_1.Op != OpARM64ADDconst { break } if x3_1.AuxInt != 6 { break } if idx != x3_1.Args[0] { break } if mem != x3.Args[2] { break } y4 := v.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUloadidx { break } _ = x4.Args[2] if ptr != x4.Args[0] { break } x4_1 := x4.Args[1] if x4_1.Op != OpARM64ADDconst { break } if x4_1.AuxInt != 7 { break } if idx != x4_1.Args[0] { break } if mem != x4.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2)) { break } b = mergePoint(b, x0, x1, x2, x3, x4) v0 := b.NewValue0(v.Pos, OpARM64MOVDloadidx, t) v.reset(OpCopy) v.AddArg(v0) v0.AddArg(ptr) v0.AddArg(idx) v0.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64ORshiftLL_20(v *Value) bool { b := v.Block _ = b // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUload [i1] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i0] {s} p mem))) // cond: i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1) // result: @mergePoint(b,x0,x1) (REV16W <t> (MOVHUload <t> [i0] {s} p mem)) for { t := v.Type if v.AuxInt != 8 { break } _ = v.Args[1] y0 := v.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } i1 := x0.AuxInt s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := v.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i0 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } if !(i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1)) { break } b = mergePoint(b, x0, x1) v0 := b.NewValue0(x1.Pos, OpARM64REV16W, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x1.Pos, OpARM64MOVHUload, t) v1.AuxInt = i0 v1.Aux = s v1.AddArg(p) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem)) y1:(MOVDnop x1:(MOVBUloadidx ptr0 idx0 mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1) // result: @mergePoint(b,x0,x1) (REV16W <t> (MOVHUloadidx <t> ptr0 idx0 mem)) for { t := v.Type if v.AuxInt != 8 { break } _ = v.Args[1] y0 := v.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUload { break } if x0.AuxInt != 1 { break } s := x0.Aux _ = x0.Args[1] p1 := x0.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] mem := x0.Args[1] y1 := v.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] ptr0 := x1.Args[0] idx0 := x1.Args[1] if mem != x1.Args[2] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1)) { break } b = mergePoint(b, x0, x1) v0 := b.NewValue0(x0.Pos, OpARM64REV16W, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x0.Pos, OpARM64MOVHUloadidx, t) v1.AddArg(ptr0) v1.AddArg(idx0) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUloadidx ptr (ADDconst [1] idx) mem)) y1:(MOVDnop x1:(MOVBUloadidx ptr idx mem))) // cond: x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1) // result: @mergePoint(b,x0,x1) (REV16W <t> (MOVHUloadidx <t> ptr idx mem)) for { t := v.Type if v.AuxInt != 8 { break } _ = v.Args[1] y0 := v.Args[0] if y0.Op != OpARM64MOVDnop { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVBUloadidx { break } _ = x0.Args[2] ptr := x0.Args[0] x0_1 := x0.Args[1] if x0_1.Op != OpARM64ADDconst { break } if x0_1.AuxInt != 1 { break } idx := x0_1.Args[0] mem := x0.Args[2] y1 := v.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } if idx != x1.Args[1] { break } if mem != x1.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0) && clobber(x1) && clobber(y0) && clobber(y1)) { break } b = mergePoint(b, x0, x1) v0 := b.NewValue0(v.Pos, OpARM64REV16W, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVHUloadidx, t) v1.AddArg(ptr) v1.AddArg(idx) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] y0:(REV16W x0:(MOVHUload [i2] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i0] {s} p mem))) // cond: i1 == i0+1 && i2 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(o0) // result: @mergePoint(b,x0,x1,x2) (REVW <t> (MOVWUload <t> {s} (OffPtr <p.Type> [i0] p) mem)) for { t := v.Type if v.AuxInt != 24 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 16 { break } _ = o0.Args[1] y0 := o0.Args[0] if y0.Op != OpARM64REV16W { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVHUload { break } i2 := x0.AuxInt s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o0.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i1 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := v.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i0 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } if !(i1 == i0+1 && i2 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(o0)) { break } b = mergePoint(b, x0, x1, x2) v0 := b.NewValue0(x2.Pos, OpARM64REVW, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x2.Pos, OpARM64MOVWUload, t) v1.Aux = s v2 := b.NewValue0(x2.Pos, OpOffPtr, p.Type) v2.AuxInt = i0 v2.AddArg(p) v1.AddArg(v2) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] y0:(REV16W x0:(MOVHUload [2] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr0 idx0 mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(o0) // result: @mergePoint(b,x0,x1,x2) (REVW <t> (MOVWUloadidx <t> ptr0 idx0 mem)) for { t := v.Type if v.AuxInt != 24 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 16 { break } _ = o0.Args[1] y0 := o0.Args[0] if y0.Op != OpARM64REV16W { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVHUload { break } if x0.AuxInt != 2 { break } s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o0.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 1 { break } if x1.Aux != s { break } _ = x1.Args[1] p1 := x1.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x1.Args[1] { break } y2 := v.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] ptr0 := x2.Args[0] idx0 := x2.Args[1] if mem != x2.Args[2] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(o0)) { break } b = mergePoint(b, x0, x1, x2) v0 := b.NewValue0(x1.Pos, OpARM64REVW, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x1.Pos, OpARM64MOVWUloadidx, t) v1.AddArg(ptr0) v1.AddArg(idx0) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] y0:(REV16W x0:(MOVHUloadidx ptr (ADDconst [2] idx) mem)) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr idx mem))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(o0) // result: @mergePoint(b,x0,x1,x2) (REVW <t> (MOVWUloadidx <t> ptr idx mem)) for { t := v.Type if v.AuxInt != 24 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 16 { break } _ = o0.Args[1] y0 := o0.Args[0] if y0.Op != OpARM64REV16W { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVHUloadidx { break } _ = x0.Args[2] ptr := x0.Args[0] x0_1 := x0.Args[1] if x0_1.Op != OpARM64ADDconst { break } if x0_1.AuxInt != 2 { break } idx := x0_1.Args[0] mem := x0.Args[2] y1 := o0.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 1 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := v.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } if idx != x2.Args[1] { break } if mem != x2.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(o0)) { break } b = mergePoint(b, x0, x1, x2) v0 := b.NewValue0(v.Pos, OpARM64REVW, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVWUloadidx, t) v1.AddArg(ptr) v1.AddArg(idx) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] y0:(REVW x0:(MOVWUload [i4] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i3] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i1] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i0] {s} p mem))) // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2) // result: @mergePoint(b,x0,x1,x2,x3,x4) (REV <t> (MOVDload <t> {s} (OffPtr <p.Type> [i0] p) mem)) for { t := v.Type if v.AuxInt != 56 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 48 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 40 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 32 { break } _ = o2.Args[1] y0 := o2.Args[0] if y0.Op != OpARM64REVW { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVWUload { break } i4 := x0.AuxInt s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o2.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } i3 := x1.AuxInt if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o1.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } i2 := x2.AuxInt if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := o0.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } i1 := x3.AuxInt if x3.Aux != s { break } _ = x3.Args[1] if p != x3.Args[0] { break } if mem != x3.Args[1] { break } y4 := v.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUload { break } i0 := x4.AuxInt if x4.Aux != s { break } _ = x4.Args[1] if p != x4.Args[0] { break } if mem != x4.Args[1] { break } if !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2)) { break } b = mergePoint(b, x0, x1, x2, x3, x4) v0 := b.NewValue0(x4.Pos, OpARM64REV, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x4.Pos, OpARM64MOVDload, t) v1.Aux = s v2 := b.NewValue0(x4.Pos, OpOffPtr, p.Type) v2.AuxInt = i0 v2.AddArg(p) v1.AddArg(v2) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] y0:(REVW x0:(MOVWUload [4] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [3] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr0 idx0 mem))) // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2) // result: @mergePoint(b,x0,x1,x2,x3,x4) (REV <t> (MOVDloadidx <t> ptr0 idx0 mem)) for { t := v.Type if v.AuxInt != 56 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 48 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 40 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 32 { break } _ = o2.Args[1] y0 := o2.Args[0] if y0.Op != OpARM64REVW { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVWUload { break } if x0.AuxInt != 4 { break } s := x0.Aux _ = x0.Args[1] p := x0.Args[0] mem := x0.Args[1] y1 := o2.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUload { break } if x1.AuxInt != 3 { break } if x1.Aux != s { break } _ = x1.Args[1] if p != x1.Args[0] { break } if mem != x1.Args[1] { break } y2 := o1.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUload { break } if x2.AuxInt != 2 { break } if x2.Aux != s { break } _ = x2.Args[1] if p != x2.Args[0] { break } if mem != x2.Args[1] { break } y3 := o0.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUload { break } if x3.AuxInt != 1 { break } if x3.Aux != s { break } _ = x3.Args[1] p1 := x3.Args[0] if p1.Op != OpARM64ADD { break } _ = p1.Args[1] ptr1 := p1.Args[0] idx1 := p1.Args[1] if mem != x3.Args[1] { break } y4 := v.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUloadidx { break } _ = x4.Args[2] ptr0 := x4.Args[0] idx0 := x4.Args[1] if mem != x4.Args[2] { break } if !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2)) { break } b = mergePoint(b, x0, x1, x2, x3, x4) v0 := b.NewValue0(x3.Pos, OpARM64REV, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(x3.Pos, OpARM64MOVDloadidx, t) v1.AddArg(ptr0) v1.AddArg(idx0) v1.AddArg(mem) v0.AddArg(v1) return true } // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] y0:(REVW x0:(MOVWUloadidx ptr (ADDconst [4] idx) mem)) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr idx mem))) // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2) // result: @mergePoint(b,x0,x1,x2,x3,x4) (REV <t> (MOVDloadidx <t> ptr idx mem)) for { t := v.Type if v.AuxInt != 56 { break } _ = v.Args[1] o0 := v.Args[0] if o0.Op != OpARM64ORshiftLL { break } if o0.AuxInt != 48 { break } _ = o0.Args[1] o1 := o0.Args[0] if o1.Op != OpARM64ORshiftLL { break } if o1.AuxInt != 40 { break } _ = o1.Args[1] o2 := o1.Args[0] if o2.Op != OpARM64ORshiftLL { break } if o2.AuxInt != 32 { break } _ = o2.Args[1] y0 := o2.Args[0] if y0.Op != OpARM64REVW { break } x0 := y0.Args[0] if x0.Op != OpARM64MOVWUloadidx { break } _ = x0.Args[2] ptr := x0.Args[0] x0_1 := x0.Args[1] if x0_1.Op != OpARM64ADDconst { break } if x0_1.AuxInt != 4 { break } idx := x0_1.Args[0] mem := x0.Args[2] y1 := o2.Args[1] if y1.Op != OpARM64MOVDnop { break } x1 := y1.Args[0] if x1.Op != OpARM64MOVBUloadidx { break } _ = x1.Args[2] if ptr != x1.Args[0] { break } x1_1 := x1.Args[1] if x1_1.Op != OpARM64ADDconst { break } if x1_1.AuxInt != 3 { break } if idx != x1_1.Args[0] { break } if mem != x1.Args[2] { break } y2 := o1.Args[1] if y2.Op != OpARM64MOVDnop { break } x2 := y2.Args[0] if x2.Op != OpARM64MOVBUloadidx { break } _ = x2.Args[2] if ptr != x2.Args[0] { break } x2_1 := x2.Args[1] if x2_1.Op != OpARM64ADDconst { break } if x2_1.AuxInt != 2 { break } if idx != x2_1.Args[0] { break } if mem != x2.Args[2] { break } y3 := o0.Args[1] if y3.Op != OpARM64MOVDnop { break } x3 := y3.Args[0] if x3.Op != OpARM64MOVBUloadidx { break } _ = x3.Args[2] if ptr != x3.Args[0] { break } x3_1 := x3.Args[1] if x3_1.Op != OpARM64ADDconst { break } if x3_1.AuxInt != 1 { break } if idx != x3_1.Args[0] { break } if mem != x3.Args[2] { break } y4 := v.Args[1] if y4.Op != OpARM64MOVDnop { break } x4 := y4.Args[0] if x4.Op != OpARM64MOVBUloadidx { break } _ = x4.Args[2] if ptr != x4.Args[0] { break } if idx != x4.Args[1] { break } if mem != x4.Args[2] { break } if !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && clobber(x0) && clobber(x1) && clobber(x2) && clobber(x3) && clobber(x4) && clobber(y0) && clobber(y1) && clobber(y2) && clobber(y3) && clobber(y4) && clobber(o0) && clobber(o1) && clobber(o2)) { break } b = mergePoint(b, x0, x1, x2, x3, x4) v0 := b.NewValue0(v.Pos, OpARM64REV, t) v.reset(OpCopy) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDloadidx, t) v1.AddArg(ptr) v1.AddArg(idx) v1.AddArg(mem) v0.AddArg(v1) return true } return false } func rewriteValueARM64_OpARM64ORshiftRA_0(v *Value) bool { b := v.Block _ = b // match: (ORshiftRA (MOVDconst [c]) x [d]) // cond: // result: (ORconst [c] (SRAconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ORconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (ORshiftRA x (MOVDconst [c]) [d]) // cond: // result: (ORconst x [c>>uint64(d)]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ORconst) v.AuxInt = c >> uint64(d) v.AddArg(x) return true } // match: (ORshiftRA x y:(SRAconst x [c]) [d]) // cond: c==d // result: y for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] y := v.Args[1] if y.Op != OpARM64SRAconst { break } c := y.AuxInt if x != y.Args[0] { break } if !(c == d) { break } v.reset(OpCopy) v.Type = y.Type v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64ORshiftRL_0(v *Value) bool { b := v.Block _ = b // match: (ORshiftRL (MOVDconst [c]) x [d]) // cond: // result: (ORconst [c] (SRLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64ORconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (ORshiftRL x (MOVDconst [c]) [d]) // cond: // result: (ORconst x [int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64ORconst) v.AuxInt = int64(uint64(c) >> uint64(d)) v.AddArg(x) return true } // match: (ORshiftRL x y:(SRLconst x [c]) [d]) // cond: c==d // result: y for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] y := v.Args[1] if y.Op != OpARM64SRLconst { break } c := y.AuxInt if x != y.Args[0] { break } if !(c == d) { break } v.reset(OpCopy) v.Type = y.Type v.AddArg(y) return true } // match: (ORshiftRL [c] (SLLconst x [64-c]) x) // cond: // result: (RORconst [ c] x) for { c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 64-c { break } x := v_0.Args[0] if x != v.Args[1] { break } v.reset(OpARM64RORconst) v.AuxInt = c v.AddArg(x) return true } // match: (ORshiftRL <t> [c] (SLLconst x [32-c]) (MOVWUreg x)) // cond: c < 32 && t.Size() == 4 // result: (RORWconst [c] x) for { t := v.Type c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 32-c { break } x := v_0.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWUreg { break } if x != v_1.Args[0] { break } if !(c < 32 && t.Size() == 4) { break } v.reset(OpARM64RORWconst) v.AuxInt = c v.AddArg(x) return true } // match: (ORshiftRL [rc] (ANDconst [ac] x) (SLLconst [lc] y)) // cond: lc > rc && ac == ^((1<<uint(64-lc)-1) << uint64(lc-rc)) // result: (BFI [arm64BFAuxInt(lc-rc, 64-lc)] x y) for { rc := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64ANDconst { break } ac := v_0.AuxInt x := v_0.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } lc := v_1.AuxInt y := v_1.Args[0] if !(lc > rc && ac == ^((1<<uint(64-lc)-1)<<uint64(lc-rc))) { break } v.reset(OpARM64BFI) v.AuxInt = arm64BFAuxInt(lc-rc, 64-lc) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64RORWconst_0(v *Value) bool { // match: (RORWconst [c] (RORWconst [d] x)) // cond: // result: (RORWconst [(c+d)&31] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64RORWconst { break } d := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64RORWconst) v.AuxInt = (c + d) & 31 v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64RORconst_0(v *Value) bool { // match: (RORconst [c] (RORconst [d] x)) // cond: // result: (RORconst [(c+d)&63] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64RORconst { break } d := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64RORconst) v.AuxInt = (c + d) & 63 v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64SLL_0(v *Value) bool { // match: (SLL x (MOVDconst [c])) // cond: // result: (SLLconst x [c&63]) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64SLLconst) v.AuxInt = c & 63 v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64SLLconst_0(v *Value) bool { // match: (SLLconst [c] (MOVDconst [d])) // cond: // result: (MOVDconst [d<<uint64(c)]) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = d << uint64(c) return true } // match: (SLLconst [c] (SRLconst [c] x)) // cond: 0 < c && c < 64 // result: (ANDconst [^(1<<uint(c)-1)] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } if v_0.AuxInt != c { break } x := v_0.Args[0] if !(0 < c && c < 64) { break } v.reset(OpARM64ANDconst) v.AuxInt = ^(1<<uint(c) - 1) v.AddArg(x) return true } // match: (SLLconst [sc] (ANDconst [ac] x)) // cond: isARM64BFMask(sc, ac, 0) // result: (UBFIZ [arm64BFAuxInt(sc, arm64BFWidth(ac, 0))] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64ANDconst { break } ac := v_0.AuxInt x := v_0.Args[0] if !(isARM64BFMask(sc, ac, 0)) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(sc, arm64BFWidth(ac, 0)) v.AddArg(x) return true } // match: (SLLconst [sc] (MOVWUreg x)) // cond: isARM64BFMask(sc, 1<<32-1, 0) // result: (UBFIZ [arm64BFAuxInt(sc, 32)] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVWUreg { break } x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<32-1, 0)) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(sc, 32) v.AddArg(x) return true } // match: (SLLconst [sc] (MOVHUreg x)) // cond: isARM64BFMask(sc, 1<<16-1, 0) // result: (UBFIZ [arm64BFAuxInt(sc, 16)] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVHUreg { break } x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<16-1, 0)) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(sc, 16) v.AddArg(x) return true } // match: (SLLconst [sc] (MOVBUreg x)) // cond: isARM64BFMask(sc, 1<<8-1, 0) // result: (UBFIZ [arm64BFAuxInt(sc, 8)] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVBUreg { break } x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<8-1, 0)) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(sc, 8) v.AddArg(x) return true } // match: (SLLconst [sc] (UBFIZ [bfc] x)) // cond: sc+getARM64BFwidth(bfc)+getARM64BFlsb(bfc) < 64 // result: (UBFIZ [arm64BFAuxInt(getARM64BFlsb(bfc)+sc, getARM64BFwidth(bfc))] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64UBFIZ { break } bfc := v_0.AuxInt x := v_0.Args[0] if !(sc+getARM64BFwidth(bfc)+getARM64BFlsb(bfc) < 64) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(getARM64BFlsb(bfc)+sc, getARM64BFwidth(bfc)) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64SRA_0(v *Value) bool { // match: (SRA x (MOVDconst [c])) // cond: // result: (SRAconst x [c&63]) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64SRAconst) v.AuxInt = c & 63 v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64SRAconst_0(v *Value) bool { // match: (SRAconst [c] (MOVDconst [d])) // cond: // result: (MOVDconst [d>>uint64(c)]) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = d >> uint64(c) return true } // match: (SRAconst [rc] (SLLconst [lc] x)) // cond: lc > rc // result: (SBFIZ [arm64BFAuxInt(lc-rc, 64-lc)] x) for { rc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } lc := v_0.AuxInt x := v_0.Args[0] if !(lc > rc) { break } v.reset(OpARM64SBFIZ) v.AuxInt = arm64BFAuxInt(lc-rc, 64-lc) v.AddArg(x) return true } // match: (SRAconst [rc] (SLLconst [lc] x)) // cond: lc <= rc // result: (SBFX [arm64BFAuxInt(rc-lc, 64-rc)] x) for { rc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } lc := v_0.AuxInt x := v_0.Args[0] if !(lc <= rc) { break } v.reset(OpARM64SBFX) v.AuxInt = arm64BFAuxInt(rc-lc, 64-rc) v.AddArg(x) return true } // match: (SRAconst [rc] (MOVWreg x)) // cond: rc < 32 // result: (SBFX [arm64BFAuxInt(rc, 32-rc)] x) for { rc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVWreg { break } x := v_0.Args[0] if !(rc < 32) { break } v.reset(OpARM64SBFX) v.AuxInt = arm64BFAuxInt(rc, 32-rc) v.AddArg(x) return true } // match: (SRAconst [rc] (MOVHreg x)) // cond: rc < 16 // result: (SBFX [arm64BFAuxInt(rc, 16-rc)] x) for { rc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVHreg { break } x := v_0.Args[0] if !(rc < 16) { break } v.reset(OpARM64SBFX) v.AuxInt = arm64BFAuxInt(rc, 16-rc) v.AddArg(x) return true } // match: (SRAconst [rc] (MOVBreg x)) // cond: rc < 8 // result: (SBFX [arm64BFAuxInt(rc, 8-rc)] x) for { rc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVBreg { break } x := v_0.Args[0] if !(rc < 8) { break } v.reset(OpARM64SBFX) v.AuxInt = arm64BFAuxInt(rc, 8-rc) v.AddArg(x) return true } // match: (SRAconst [sc] (SBFIZ [bfc] x)) // cond: sc < getARM64BFlsb(bfc) // result: (SBFIZ [arm64BFAuxInt(getARM64BFlsb(bfc)-sc, getARM64BFwidth(bfc))] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SBFIZ { break } bfc := v_0.AuxInt x := v_0.Args[0] if !(sc < getARM64BFlsb(bfc)) { break } v.reset(OpARM64SBFIZ) v.AuxInt = arm64BFAuxInt(getARM64BFlsb(bfc)-sc, getARM64BFwidth(bfc)) v.AddArg(x) return true } // match: (SRAconst [sc] (SBFIZ [bfc] x)) // cond: sc >= getARM64BFlsb(bfc) && sc < getARM64BFlsb(bfc)+getARM64BFwidth(bfc) // result: (SBFX [arm64BFAuxInt(sc-getARM64BFlsb(bfc), getARM64BFlsb(bfc)+getARM64BFwidth(bfc)-sc)] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SBFIZ { break } bfc := v_0.AuxInt x := v_0.Args[0] if !(sc >= getARM64BFlsb(bfc) && sc < getARM64BFlsb(bfc)+getARM64BFwidth(bfc)) { break } v.reset(OpARM64SBFX) v.AuxInt = arm64BFAuxInt(sc-getARM64BFlsb(bfc), getARM64BFlsb(bfc)+getARM64BFwidth(bfc)-sc) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64SRL_0(v *Value) bool { // match: (SRL x (MOVDconst [c])) // cond: // result: (SRLconst x [c&63]) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64SRLconst) v.AuxInt = c & 63 v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64SRLconst_0(v *Value) bool { // match: (SRLconst [c] (MOVDconst [d])) // cond: // result: (MOVDconst [int64(uint64(d)>>uint64(c))]) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(uint64(d) >> uint64(c)) return true } // match: (SRLconst [c] (SLLconst [c] x)) // cond: 0 < c && c < 64 // result: (ANDconst [1<<uint(64-c)-1] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != c { break } x := v_0.Args[0] if !(0 < c && c < 64) { break } v.reset(OpARM64ANDconst) v.AuxInt = 1<<uint(64-c) - 1 v.AddArg(x) return true } // match: (SRLconst [rc] (SLLconst [lc] x)) // cond: lc > rc // result: (UBFIZ [arm64BFAuxInt(lc-rc, 64-lc)] x) for { rc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } lc := v_0.AuxInt x := v_0.Args[0] if !(lc > rc) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(lc-rc, 64-lc) v.AddArg(x) return true } // match: (SRLconst [sc] (ANDconst [ac] x)) // cond: isARM64BFMask(sc, ac, sc) // result: (UBFX [arm64BFAuxInt(sc, arm64BFWidth(ac, sc))] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64ANDconst { break } ac := v_0.AuxInt x := v_0.Args[0] if !(isARM64BFMask(sc, ac, sc)) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(sc, arm64BFWidth(ac, sc)) v.AddArg(x) return true } // match: (SRLconst [sc] (MOVWUreg x)) // cond: isARM64BFMask(sc, 1<<32-1, sc) // result: (UBFX [arm64BFAuxInt(sc, arm64BFWidth(1<<32-1, sc))] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVWUreg { break } x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<32-1, sc)) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(sc, arm64BFWidth(1<<32-1, sc)) v.AddArg(x) return true } // match: (SRLconst [sc] (MOVHUreg x)) // cond: isARM64BFMask(sc, 1<<16-1, sc) // result: (UBFX [arm64BFAuxInt(sc, arm64BFWidth(1<<16-1, sc))] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVHUreg { break } x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<16-1, sc)) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(sc, arm64BFWidth(1<<16-1, sc)) v.AddArg(x) return true } // match: (SRLconst [sc] (MOVBUreg x)) // cond: isARM64BFMask(sc, 1<<8-1, sc) // result: (UBFX [arm64BFAuxInt(sc, arm64BFWidth(1<<8-1, sc))] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVBUreg { break } x := v_0.Args[0] if !(isARM64BFMask(sc, 1<<8-1, sc)) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(sc, arm64BFWidth(1<<8-1, sc)) v.AddArg(x) return true } // match: (SRLconst [rc] (SLLconst [lc] x)) // cond: lc < rc // result: (UBFX [arm64BFAuxInt(rc-lc, 64-rc)] x) for { rc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } lc := v_0.AuxInt x := v_0.Args[0] if !(lc < rc) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(rc-lc, 64-rc) v.AddArg(x) return true } // match: (SRLconst [sc] (UBFX [bfc] x)) // cond: sc < getARM64BFwidth(bfc) // result: (UBFX [arm64BFAuxInt(getARM64BFlsb(bfc)+sc, getARM64BFwidth(bfc)-sc)] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } bfc := v_0.AuxInt x := v_0.Args[0] if !(sc < getARM64BFwidth(bfc)) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(getARM64BFlsb(bfc)+sc, getARM64BFwidth(bfc)-sc) v.AddArg(x) return true } // match: (SRLconst [sc] (UBFIZ [bfc] x)) // cond: sc == getARM64BFlsb(bfc) // result: (ANDconst [1<<uint(getARM64BFwidth(bfc))-1] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64UBFIZ { break } bfc := v_0.AuxInt x := v_0.Args[0] if !(sc == getARM64BFlsb(bfc)) { break } v.reset(OpARM64ANDconst) v.AuxInt = 1<<uint(getARM64BFwidth(bfc)) - 1 v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64SRLconst_10(v *Value) bool { // match: (SRLconst [sc] (UBFIZ [bfc] x)) // cond: sc < getARM64BFlsb(bfc) // result: (UBFIZ [arm64BFAuxInt(getARM64BFlsb(bfc)-sc, getARM64BFwidth(bfc))] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64UBFIZ { break } bfc := v_0.AuxInt x := v_0.Args[0] if !(sc < getARM64BFlsb(bfc)) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(getARM64BFlsb(bfc)-sc, getARM64BFwidth(bfc)) v.AddArg(x) return true } // match: (SRLconst [sc] (UBFIZ [bfc] x)) // cond: sc > getARM64BFlsb(bfc) && sc < getARM64BFlsb(bfc)+getARM64BFwidth(bfc) // result: (UBFX [arm64BFAuxInt(sc-getARM64BFlsb(bfc), getARM64BFlsb(bfc)+getARM64BFwidth(bfc)-sc)] x) for { sc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64UBFIZ { break } bfc := v_0.AuxInt x := v_0.Args[0] if !(sc > getARM64BFlsb(bfc) && sc < getARM64BFlsb(bfc)+getARM64BFwidth(bfc)) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(sc-getARM64BFlsb(bfc), getARM64BFlsb(bfc)+getARM64BFwidth(bfc)-sc) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64STP_0(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (STP [off1] {sym} (ADDconst [off2] ptr) val1 val2 mem) // cond: is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (STP [off1+off2] {sym} ptr val1 val2 mem) for { off1 := v.AuxInt sym := v.Aux _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } off2 := v_0.AuxInt ptr := v_0.Args[0] val1 := v.Args[1] val2 := v.Args[2] mem := v.Args[3] if !(is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64STP) v.AuxInt = off1 + off2 v.Aux = sym v.AddArg(ptr) v.AddArg(val1) v.AddArg(val2) v.AddArg(mem) return true } // match: (STP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val1 val2 mem) // cond: canMergeSym(sym1,sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) // result: (STP [off1+off2] {mergeSym(sym1,sym2)} ptr val1 val2 mem) for { off1 := v.AuxInt sym1 := v.Aux _ = v.Args[3] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDaddr { break } off2 := v_0.AuxInt sym2 := v_0.Aux ptr := v_0.Args[0] val1 := v.Args[1] val2 := v.Args[2] mem := v.Args[3] if !(canMergeSym(sym1, sym2) && is32Bit(off1+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { break } v.reset(OpARM64STP) v.AuxInt = off1 + off2 v.Aux = mergeSym(sym1, sym2) v.AddArg(ptr) v.AddArg(val1) v.AddArg(val2) v.AddArg(mem) return true } // match: (STP [off] {sym} ptr (MOVDconst [0]) (MOVDconst [0]) mem) // cond: // result: (MOVQstorezero [off] {sym} ptr mem) for { off := v.AuxInt sym := v.Aux _ = v.Args[3] ptr := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 0 { break } v_2 := v.Args[2] if v_2.Op != OpARM64MOVDconst { break } if v_2.AuxInt != 0 { break } mem := v.Args[3] v.reset(OpARM64MOVQstorezero) v.AuxInt = off v.Aux = sym v.AddArg(ptr) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpARM64SUB_0(v *Value) bool { b := v.Block _ = b // match: (SUB x (MOVDconst [c])) // cond: // result: (SUBconst [c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64SUBconst) v.AuxInt = c v.AddArg(x) return true } // match: (SUB a l:(MUL x y)) // cond: l.Uses==1 && clobber(l) // result: (MSUB a x y) for { _ = v.Args[1] a := v.Args[0] l := v.Args[1] if l.Op != OpARM64MUL { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] if !(l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MSUB) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (SUB a l:(MNEG x y)) // cond: l.Uses==1 && clobber(l) // result: (MADD a x y) for { _ = v.Args[1] a := v.Args[0] l := v.Args[1] if l.Op != OpARM64MNEG { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] if !(l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MADD) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (SUB a l:(MULW x y)) // cond: a.Type.Size() != 8 && l.Uses==1 && clobber(l) // result: (MSUBW a x y) for { _ = v.Args[1] a := v.Args[0] l := v.Args[1] if l.Op != OpARM64MULW { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] if !(a.Type.Size() != 8 && l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MSUBW) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (SUB a l:(MNEGW x y)) // cond: a.Type.Size() != 8 && l.Uses==1 && clobber(l) // result: (MADDW a x y) for { _ = v.Args[1] a := v.Args[0] l := v.Args[1] if l.Op != OpARM64MNEGW { break } _ = l.Args[1] x := l.Args[0] y := l.Args[1] if !(a.Type.Size() != 8 && l.Uses == 1 && clobber(l)) { break } v.reset(OpARM64MADDW) v.AddArg(a) v.AddArg(x) v.AddArg(y) return true } // match: (SUB x x) // cond: // result: (MOVDconst [0]) for { _ = v.Args[1] x := v.Args[0] if x != v.Args[1] { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (SUB x (SUB y z)) // cond: // result: (SUB (ADD <v.Type> x z) y) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SUB { break } _ = v_1.Args[1] y := v_1.Args[0] z := v_1.Args[1] v.reset(OpARM64SUB) v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type) v0.AddArg(x) v0.AddArg(z) v.AddArg(v0) v.AddArg(y) return true } // match: (SUB (SUB x y) z) // cond: // result: (SUB x (ADD <y.Type> y z)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SUB { break } _ = v_0.Args[1] x := v_0.Args[0] y := v_0.Args[1] z := v.Args[1] v.reset(OpARM64SUB) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64ADD, y.Type) v0.AddArg(y) v0.AddArg(z) v.AddArg(v0) return true } // match: (SUB x0 x1:(SLLconst [c] y)) // cond: clobberIfDead(x1) // result: (SUBshiftLL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64SUBshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (SUB x0 x1:(SRLconst [c] y)) // cond: clobberIfDead(x1) // result: (SUBshiftRL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64SUBshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64SUB_10(v *Value) bool { // match: (SUB x0 x1:(SRAconst [c] y)) // cond: clobberIfDead(x1) // result: (SUBshiftRA x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64SUBshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64SUBconst_0(v *Value) bool { // match: (SUBconst [0] x) // cond: // result: x for { if v.AuxInt != 0 { break } x := v.Args[0] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (SUBconst [c] (MOVDconst [d])) // cond: // result: (MOVDconst [d-c]) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = d - c return true } // match: (SUBconst [c] (SUBconst [d] x)) // cond: // result: (ADDconst [-c-d] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SUBconst { break } d := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64ADDconst) v.AuxInt = -c - d v.AddArg(x) return true } // match: (SUBconst [c] (ADDconst [d] x)) // cond: // result: (ADDconst [-c+d] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64ADDconst { break } d := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64ADDconst) v.AuxInt = -c + d v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64SUBshiftLL_0(v *Value) bool { // match: (SUBshiftLL x (MOVDconst [c]) [d]) // cond: // result: (SUBconst x [int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64SUBconst) v.AuxInt = int64(uint64(c) << uint64(d)) v.AddArg(x) return true } // match: (SUBshiftLL x (SLLconst x [c]) [d]) // cond: c==d // result: (MOVDconst [0]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64SUBshiftRA_0(v *Value) bool { // match: (SUBshiftRA x (MOVDconst [c]) [d]) // cond: // result: (SUBconst x [c>>uint64(d)]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64SUBconst) v.AuxInt = c >> uint64(d) v.AddArg(x) return true } // match: (SUBshiftRA x (SRAconst x [c]) [d]) // cond: c==d // result: (MOVDconst [0]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRAconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64SUBshiftRL_0(v *Value) bool { // match: (SUBshiftRL x (MOVDconst [c]) [d]) // cond: // result: (SUBconst x [int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64SUBconst) v.AuxInt = int64(uint64(c) >> uint64(d)) v.AddArg(x) return true } // match: (SUBshiftRL x (SRLconst x [c]) [d]) // cond: c==d // result: (MOVDconst [0]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64TST_0(v *Value) bool { // match: (TST x (MOVDconst [c])) // cond: // result: (TSTconst [c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64TSTconst) v.AuxInt = c v.AddArg(x) return true } // match: (TST (MOVDconst [c]) x) // cond: // result: (TSTconst [c] x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64TSTconst) v.AuxInt = c v.AddArg(x) return true } // match: (TST x0 x1:(SLLconst [c] y)) // cond: clobberIfDead(x1) // result: (TSTshiftLL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64TSTshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (TST x1:(SLLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (TSTshiftLL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64TSTshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (TST x0 x1:(SRLconst [c] y)) // cond: clobberIfDead(x1) // result: (TSTshiftRL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64TSTshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (TST x1:(SRLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (TSTshiftRL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64TSTshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (TST x0 x1:(SRAconst [c] y)) // cond: clobberIfDead(x1) // result: (TSTshiftRA x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64TSTshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (TST x1:(SRAconst [c] y) x0) // cond: clobberIfDead(x1) // result: (TSTshiftRA x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64TSTshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64TSTW_0(v *Value) bool { // match: (TSTW x (MOVDconst [c])) // cond: // result: (TSTWconst [c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64TSTWconst) v.AuxInt = c v.AddArg(x) return true } // match: (TSTW (MOVDconst [c]) x) // cond: // result: (TSTWconst [c] x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64TSTWconst) v.AuxInt = c v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64TSTWconst_0(v *Value) bool { // match: (TSTWconst (MOVDconst [x]) [y]) // cond: int32(x&y)==0 // result: (FlagEQ) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x&y) == 0) { break } v.reset(OpARM64FlagEQ) return true } // match: (TSTWconst (MOVDconst [x]) [y]) // cond: int32(x&y)<0 // result: (FlagLT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x&y) < 0) { break } v.reset(OpARM64FlagLT_UGT) return true } // match: (TSTWconst (MOVDconst [x]) [y]) // cond: int32(x&y)>0 // result: (FlagGT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int32(x&y) > 0) { break } v.reset(OpARM64FlagGT_UGT) return true } return false } func rewriteValueARM64_OpARM64TSTconst_0(v *Value) bool { // match: (TSTconst (MOVDconst [x]) [y]) // cond: int64(x&y)==0 // result: (FlagEQ) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int64(x&y) == 0) { break } v.reset(OpARM64FlagEQ) return true } // match: (TSTconst (MOVDconst [x]) [y]) // cond: int64(x&y)<0 // result: (FlagLT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int64(x&y) < 0) { break } v.reset(OpARM64FlagLT_UGT) return true } // match: (TSTconst (MOVDconst [x]) [y]) // cond: int64(x&y)>0 // result: (FlagGT_UGT) for { y := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } x := v_0.AuxInt if !(int64(x&y) > 0) { break } v.reset(OpARM64FlagGT_UGT) return true } return false } func rewriteValueARM64_OpARM64TSTshiftLL_0(v *Value) bool { b := v.Block _ = b // match: (TSTshiftLL (MOVDconst [c]) x [d]) // cond: // result: (TSTconst [c] (SLLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64TSTconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (TSTshiftLL x (MOVDconst [c]) [d]) // cond: // result: (TSTconst x [int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64TSTconst) v.AuxInt = int64(uint64(c) << uint64(d)) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64TSTshiftRA_0(v *Value) bool { b := v.Block _ = b // match: (TSTshiftRA (MOVDconst [c]) x [d]) // cond: // result: (TSTconst [c] (SRAconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64TSTconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (TSTshiftRA x (MOVDconst [c]) [d]) // cond: // result: (TSTconst x [c>>uint64(d)]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64TSTconst) v.AuxInt = c >> uint64(d) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64TSTshiftRL_0(v *Value) bool { b := v.Block _ = b // match: (TSTshiftRL (MOVDconst [c]) x [d]) // cond: // result: (TSTconst [c] (SRLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64TSTconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (TSTshiftRL x (MOVDconst [c]) [d]) // cond: // result: (TSTconst x [int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64TSTconst) v.AuxInt = int64(uint64(c) >> uint64(d)) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64UBFIZ_0(v *Value) bool { // match: (UBFIZ [bfc] (SLLconst [sc] x)) // cond: sc < getARM64BFwidth(bfc) // result: (UBFIZ [arm64BFAuxInt(getARM64BFlsb(bfc)+sc, getARM64BFwidth(bfc)-sc)] x) for { bfc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(sc < getARM64BFwidth(bfc)) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(getARM64BFlsb(bfc)+sc, getARM64BFwidth(bfc)-sc) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64UBFX_0(v *Value) bool { // match: (UBFX [bfc] (SRLconst [sc] x)) // cond: sc+getARM64BFwidth(bfc)+getARM64BFlsb(bfc) < 64 // result: (UBFX [arm64BFAuxInt(getARM64BFlsb(bfc)+sc, getARM64BFwidth(bfc))] x) for { bfc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(sc+getARM64BFwidth(bfc)+getARM64BFlsb(bfc) < 64) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(getARM64BFlsb(bfc)+sc, getARM64BFwidth(bfc)) v.AddArg(x) return true } // match: (UBFX [bfc] (SLLconst [sc] x)) // cond: sc == getARM64BFlsb(bfc) // result: (ANDconst [1<<uint(getARM64BFwidth(bfc))-1] x) for { bfc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(sc == getARM64BFlsb(bfc)) { break } v.reset(OpARM64ANDconst) v.AuxInt = 1<<uint(getARM64BFwidth(bfc)) - 1 v.AddArg(x) return true } // match: (UBFX [bfc] (SLLconst [sc] x)) // cond: sc < getARM64BFlsb(bfc) // result: (UBFX [arm64BFAuxInt(getARM64BFlsb(bfc)-sc, getARM64BFwidth(bfc))] x) for { bfc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(sc < getARM64BFlsb(bfc)) { break } v.reset(OpARM64UBFX) v.AuxInt = arm64BFAuxInt(getARM64BFlsb(bfc)-sc, getARM64BFwidth(bfc)) v.AddArg(x) return true } // match: (UBFX [bfc] (SLLconst [sc] x)) // cond: sc > getARM64BFlsb(bfc) && sc < getARM64BFlsb(bfc)+getARM64BFwidth(bfc) // result: (UBFIZ [arm64BFAuxInt(sc-getARM64BFlsb(bfc), getARM64BFlsb(bfc)+getARM64BFwidth(bfc)-sc)] x) for { bfc := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } sc := v_0.AuxInt x := v_0.Args[0] if !(sc > getARM64BFlsb(bfc) && sc < getARM64BFlsb(bfc)+getARM64BFwidth(bfc)) { break } v.reset(OpARM64UBFIZ) v.AuxInt = arm64BFAuxInt(sc-getARM64BFlsb(bfc), getARM64BFlsb(bfc)+getARM64BFwidth(bfc)-sc) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64UDIV_0(v *Value) bool { // match: (UDIV x (MOVDconst [1])) // cond: // result: x for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 1 { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (UDIV x (MOVDconst [c])) // cond: isPowerOfTwo(c) // result: (SRLconst [log2(c)] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c)) { break } v.reset(OpARM64SRLconst) v.AuxInt = log2(c) v.AddArg(x) return true } // match: (UDIV (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [int64(uint64(c)/uint64(d))]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(uint64(c) / uint64(d)) return true } return false } func rewriteValueARM64_OpARM64UDIVW_0(v *Value) bool { // match: (UDIVW x (MOVDconst [c])) // cond: uint32(c)==1 // result: x for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(uint32(c) == 1) { break } v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (UDIVW x (MOVDconst [c])) // cond: isPowerOfTwo(c) && is32Bit(c) // result: (SRLconst [log2(c)] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c) && is32Bit(c)) { break } v.reset(OpARM64SRLconst) v.AuxInt = log2(c) v.AddArg(x) return true } // match: (UDIVW (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [int64(uint32(c)/uint32(d))]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(uint32(c) / uint32(d)) return true } return false } func rewriteValueARM64_OpARM64UMOD_0(v *Value) bool { // match: (UMOD _ (MOVDconst [1])) // cond: // result: (MOVDconst [0]) for { _ = v.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } if v_1.AuxInt != 1 { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (UMOD x (MOVDconst [c])) // cond: isPowerOfTwo(c) // result: (ANDconst [c-1] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c)) { break } v.reset(OpARM64ANDconst) v.AuxInt = c - 1 v.AddArg(x) return true } // match: (UMOD (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [int64(uint64(c)%uint64(d))]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(uint64(c) % uint64(d)) return true } return false } func rewriteValueARM64_OpARM64UMODW_0(v *Value) bool { // match: (UMODW _ (MOVDconst [c])) // cond: uint32(c)==1 // result: (MOVDconst [0]) for { _ = v.Args[1] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(uint32(c) == 1) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (UMODW x (MOVDconst [c])) // cond: isPowerOfTwo(c) && is32Bit(c) // result: (ANDconst [c-1] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt if !(isPowerOfTwo(c) && is32Bit(c)) { break } v.reset(OpARM64ANDconst) v.AuxInt = c - 1 v.AddArg(x) return true } // match: (UMODW (MOVDconst [c]) (MOVDconst [d])) // cond: // result: (MOVDconst [int64(uint32(c)%uint32(d))]) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } d := v_1.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = int64(uint32(c) % uint32(d)) return true } return false } func rewriteValueARM64_OpARM64XOR_0(v *Value) bool { // match: (XOR x (MOVDconst [c])) // cond: // result: (XORconst [c] x) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64XORconst) v.AuxInt = c v.AddArg(x) return true } // match: (XOR (MOVDconst [c]) x) // cond: // result: (XORconst [c] x) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64XORconst) v.AuxInt = c v.AddArg(x) return true } // match: (XOR x x) // cond: // result: (MOVDconst [0]) for { _ = v.Args[1] x := v.Args[0] if x != v.Args[1] { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (XOR x (MVN y)) // cond: // result: (EON x y) for { _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MVN { break } y := v_1.Args[0] v.reset(OpARM64EON) v.AddArg(x) v.AddArg(y) return true } // match: (XOR (MVN y) x) // cond: // result: (EON x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MVN { break } y := v_0.Args[0] x := v.Args[1] v.reset(OpARM64EON) v.AddArg(x) v.AddArg(y) return true } // match: (XOR x0 x1:(SLLconst [c] y)) // cond: clobberIfDead(x1) // result: (XORshiftLL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64XORshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (XOR x1:(SLLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (XORshiftLL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SLLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64XORshiftLL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (XOR x0 x1:(SRLconst [c] y)) // cond: clobberIfDead(x1) // result: (XORshiftRL x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64XORshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (XOR x1:(SRLconst [c] y) x0) // cond: clobberIfDead(x1) // result: (XORshiftRL x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRLconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64XORshiftRL) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (XOR x0 x1:(SRAconst [c] y)) // cond: clobberIfDead(x1) // result: (XORshiftRA x0 y [c]) for { _ = v.Args[1] x0 := v.Args[0] x1 := v.Args[1] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] if !(clobberIfDead(x1)) { break } v.reset(OpARM64XORshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64XOR_10(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (XOR x1:(SRAconst [c] y) x0) // cond: clobberIfDead(x1) // result: (XORshiftRA x0 y [c]) for { _ = v.Args[1] x1 := v.Args[0] if x1.Op != OpARM64SRAconst { break } c := x1.AuxInt y := x1.Args[0] x0 := v.Args[1] if !(clobberIfDead(x1)) { break } v.reset(OpARM64XORshiftRA) v.AuxInt = c v.AddArg(x0) v.AddArg(y) return true } // match: (XOR (SLL x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> {cc} (SRL <typ.UInt64> x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLL { break } _ = v_0.Args[1] x := v_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 63 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt64 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SRL { break } if v_1_0.Type != typ.UInt64 { break } _ = v_1_0.Args[1] if x != v_1_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 64 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 63 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 64 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 63 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } // match: (XOR (CSEL0 <typ.UInt64> {cc} (SRL <typ.UInt64> x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y)))) (SLL x (ANDconst <t> [63] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt64 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SRL { break } if v_0_0.Type != typ.UInt64 { break } _ = v_0_0.Args[1] x := v_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 64 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 63 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 64 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 63 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SLL { break } _ = v_1.Args[1] if x != v_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 63 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } // match: (XOR (SRL <typ.UInt64> x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> {cc} (SLL x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRL { break } if v_0.Type != typ.UInt64 { break } _ = v_0.Args[1] x := v_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 63 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt64 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SLL { break } _ = v_1_0.Args[1] if x != v_1_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 64 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 63 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 64 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 63 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v.AddArg(y) return true } // match: (XOR (CSEL0 <typ.UInt64> {cc} (SLL x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y)))) (SRL <typ.UInt64> x (ANDconst <t> [63] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (ROR x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt64 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SLL { break } _ = v_0_0.Args[1] x := v_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 64 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 63 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 64 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 63 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SRL { break } if v_1.Type != typ.UInt64 { break } _ = v_1.Args[1] if x != v_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 63 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64ROR) v.AddArg(x) v.AddArg(y) return true } // match: (XOR (SLL x (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> {cc} (SRL <typ.UInt32> (MOVWUreg x) (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLL { break } _ = v_0.Args[1] x := v_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 31 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt32 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SRL { break } if v_1_0.Type != typ.UInt32 { break } _ = v_1_0.Args[1] v_1_0_0 := v_1_0.Args[0] if v_1_0_0.Op != OpARM64MOVWUreg { break } if x != v_1_0_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 32 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 31 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 32 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 31 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } // match: (XOR (CSEL0 <typ.UInt32> {cc} (SRL <typ.UInt32> (MOVWUreg x) (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y)))) (SLL x (ANDconst <t> [31] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x (NEG <t> y)) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt32 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SRL { break } if v_0_0.Type != typ.UInt32 { break } _ = v_0_0.Args[1] v_0_0_0 := v_0_0.Args[0] if v_0_0_0.Op != OpARM64MOVWUreg { break } x := v_0_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 32 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 31 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 32 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 31 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SLL { break } _ = v_1.Args[1] if x != v_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 31 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(y) v.AddArg(v0) return true } // match: (XOR (SRL <typ.UInt32> (MOVWUreg x) (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> {cc} (SLL x (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRL { break } if v_0.Type != typ.UInt32 { break } _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64MOVWUreg { break } x := v_0_0.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64ANDconst { break } t := v_0_1.Type if v_0_1.AuxInt != 31 { break } y := v_0_1.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64CSEL0 { break } if v_1.Type != typ.UInt32 { break } cc := v_1.Aux _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64SLL { break } _ = v_1_0.Args[1] if x != v_1_0.Args[0] { break } v_1_0_1 := v_1_0.Args[1] if v_1_0_1.Op != OpARM64SUB { break } if v_1_0_1.Type != t { break } _ = v_1_0_1.Args[1] v_1_0_1_0 := v_1_0_1.Args[0] if v_1_0_1_0.Op != OpARM64MOVDconst { break } if v_1_0_1_0.AuxInt != 32 { break } v_1_0_1_1 := v_1_0_1.Args[1] if v_1_0_1_1.Op != OpARM64ANDconst { break } if v_1_0_1_1.Type != t { break } if v_1_0_1_1.AuxInt != 31 { break } if y != v_1_0_1_1.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64CMPconst { break } if v_1_1.AuxInt != 64 { break } v_1_1_0 := v_1_1.Args[0] if v_1_1_0.Op != OpARM64SUB { break } if v_1_1_0.Type != t { break } _ = v_1_1_0.Args[1] v_1_1_0_0 := v_1_1_0.Args[0] if v_1_1_0_0.Op != OpARM64MOVDconst { break } if v_1_1_0_0.AuxInt != 32 { break } v_1_1_0_1 := v_1_1_0.Args[1] if v_1_1_0_1.Op != OpARM64ANDconst { break } if v_1_1_0_1.Type != t { break } if v_1_1_0_1.AuxInt != 31 { break } if y != v_1_1_0_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v.AddArg(y) return true } // match: (XOR (CSEL0 <typ.UInt32> {cc} (SLL x (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y)))) (SRL <typ.UInt32> (MOVWUreg x) (ANDconst <t> [31] y))) // cond: cc.(Op) == OpARM64LessThanU // result: (RORW x y) for { _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64CSEL0 { break } if v_0.Type != typ.UInt32 { break } cc := v_0.Aux _ = v_0.Args[1] v_0_0 := v_0.Args[0] if v_0_0.Op != OpARM64SLL { break } _ = v_0_0.Args[1] x := v_0_0.Args[0] v_0_0_1 := v_0_0.Args[1] if v_0_0_1.Op != OpARM64SUB { break } t := v_0_0_1.Type _ = v_0_0_1.Args[1] v_0_0_1_0 := v_0_0_1.Args[0] if v_0_0_1_0.Op != OpARM64MOVDconst { break } if v_0_0_1_0.AuxInt != 32 { break } v_0_0_1_1 := v_0_0_1.Args[1] if v_0_0_1_1.Op != OpARM64ANDconst { break } if v_0_0_1_1.Type != t { break } if v_0_0_1_1.AuxInt != 31 { break } y := v_0_0_1_1.Args[0] v_0_1 := v_0.Args[1] if v_0_1.Op != OpARM64CMPconst { break } if v_0_1.AuxInt != 64 { break } v_0_1_0 := v_0_1.Args[0] if v_0_1_0.Op != OpARM64SUB { break } if v_0_1_0.Type != t { break } _ = v_0_1_0.Args[1] v_0_1_0_0 := v_0_1_0.Args[0] if v_0_1_0_0.Op != OpARM64MOVDconst { break } if v_0_1_0_0.AuxInt != 32 { break } v_0_1_0_1 := v_0_1_0.Args[1] if v_0_1_0_1.Op != OpARM64ANDconst { break } if v_0_1_0_1.Type != t { break } if v_0_1_0_1.AuxInt != 31 { break } if y != v_0_1_0_1.Args[0] { break } v_1 := v.Args[1] if v_1.Op != OpARM64SRL { break } if v_1.Type != typ.UInt32 { break } _ = v_1.Args[1] v_1_0 := v_1.Args[0] if v_1_0.Op != OpARM64MOVWUreg { break } if x != v_1_0.Args[0] { break } v_1_1 := v_1.Args[1] if v_1_1.Op != OpARM64ANDconst { break } if v_1_1.Type != t { break } if v_1_1.AuxInt != 31 { break } if y != v_1_1.Args[0] { break } if !(cc.(Op) == OpARM64LessThanU) { break } v.reset(OpARM64RORW) v.AddArg(x) v.AddArg(y) return true } return false } func rewriteValueARM64_OpARM64XORconst_0(v *Value) bool { // match: (XORconst [0] x) // cond: // result: x for { if v.AuxInt != 0 { break } x := v.Args[0] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } // match: (XORconst [-1] x) // cond: // result: (MVN x) for { if v.AuxInt != -1 { break } x := v.Args[0] v.reset(OpARM64MVN) v.AddArg(x) return true } // match: (XORconst [c] (MOVDconst [d])) // cond: // result: (MOVDconst [c^d]) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } d := v_0.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = c ^ d return true } // match: (XORconst [c] (XORconst [d] x)) // cond: // result: (XORconst [c^d] x) for { c := v.AuxInt v_0 := v.Args[0] if v_0.Op != OpARM64XORconst { break } d := v_0.AuxInt x := v_0.Args[0] v.reset(OpARM64XORconst) v.AuxInt = c ^ d v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64XORshiftLL_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (XORshiftLL (MOVDconst [c]) x [d]) // cond: // result: (XORconst [c] (SLLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64XORconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (XORshiftLL x (MOVDconst [c]) [d]) // cond: // result: (XORconst x [int64(uint64(c)<<uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64XORconst) v.AuxInt = int64(uint64(c) << uint64(d)) v.AddArg(x) return true } // match: (XORshiftLL x (SLLconst x [c]) [d]) // cond: c==d // result: (MOVDconst [0]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SLLconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (XORshiftLL [c] (SRLconst x [64-c]) x) // cond: // result: (RORconst [64-c] x) for { c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } if v_0.AuxInt != 64-c { break } x := v_0.Args[0] if x != v.Args[1] { break } v.reset(OpARM64RORconst) v.AuxInt = 64 - c v.AddArg(x) return true } // match: (XORshiftLL <t> [c] (UBFX [bfc] x) x) // cond: c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c) // result: (RORWconst [32-c] x) for { t := v.Type c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } bfc := v_0.AuxInt x := v_0.Args[0] if x != v.Args[1] { break } if !(c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c)) { break } v.reset(OpARM64RORWconst) v.AuxInt = 32 - c v.AddArg(x) return true } // match: (XORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [arm64BFAuxInt(8, 8)] x) x) // cond: // result: (REV16W x) for { if v.Type != typ.UInt16 { break } if v.AuxInt != 8 { break } _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } if v_0.Type != typ.UInt16 { break } if v_0.AuxInt != arm64BFAuxInt(8, 8) { break } x := v_0.Args[0] if x != v.Args[1] { break } v.reset(OpARM64REV16W) v.AddArg(x) return true } // match: (XORshiftLL [c] (SRLconst x [64-c]) x2) // cond: // result: (EXTRconst [64-c] x2 x) for { c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SRLconst { break } if v_0.AuxInt != 64-c { break } x := v_0.Args[0] x2 := v.Args[1] v.reset(OpARM64EXTRconst) v.AuxInt = 64 - c v.AddArg(x2) v.AddArg(x) return true } // match: (XORshiftLL <t> [c] (UBFX [bfc] x) x2) // cond: c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c) // result: (EXTRWconst [32-c] x2 x) for { t := v.Type c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64UBFX { break } bfc := v_0.AuxInt x := v_0.Args[0] x2 := v.Args[1] if !(c < 32 && t.Size() == 4 && bfc == arm64BFAuxInt(32-c, c)) { break } v.reset(OpARM64EXTRWconst) v.AuxInt = 32 - c v.AddArg(x2) v.AddArg(x) return true } return false } func rewriteValueARM64_OpARM64XORshiftRA_0(v *Value) bool { b := v.Block _ = b // match: (XORshiftRA (MOVDconst [c]) x [d]) // cond: // result: (XORconst [c] (SRAconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64XORconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (XORshiftRA x (MOVDconst [c]) [d]) // cond: // result: (XORconst x [c>>uint64(d)]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64XORconst) v.AuxInt = c >> uint64(d) v.AddArg(x) return true } // match: (XORshiftRA x (SRAconst x [c]) [d]) // cond: c==d // result: (MOVDconst [0]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRAconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } return false } func rewriteValueARM64_OpARM64XORshiftRL_0(v *Value) bool { b := v.Block _ = b // match: (XORshiftRL (MOVDconst [c]) x [d]) // cond: // result: (XORconst [c] (SRLconst <x.Type> x [d])) for { d := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64MOVDconst { break } c := v_0.AuxInt x := v.Args[1] v.reset(OpARM64XORconst) v.AuxInt = c v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) v0.AuxInt = d v0.AddArg(x) v.AddArg(v0) return true } // match: (XORshiftRL x (MOVDconst [c]) [d]) // cond: // result: (XORconst x [int64(uint64(c)>>uint64(d))]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVDconst { break } c := v_1.AuxInt v.reset(OpARM64XORconst) v.AuxInt = int64(uint64(c) >> uint64(d)) v.AddArg(x) return true } // match: (XORshiftRL x (SRLconst x [c]) [d]) // cond: c==d // result: (MOVDconst [0]) for { d := v.AuxInt _ = v.Args[1] x := v.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64SRLconst { break } c := v_1.AuxInt if x != v_1.Args[0] { break } if !(c == d) { break } v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } // match: (XORshiftRL [c] (SLLconst x [64-c]) x) // cond: // result: (RORconst [ c] x) for { c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 64-c { break } x := v_0.Args[0] if x != v.Args[1] { break } v.reset(OpARM64RORconst) v.AuxInt = c v.AddArg(x) return true } // match: (XORshiftRL <t> [c] (SLLconst x [32-c]) (MOVWUreg x)) // cond: c < 32 && t.Size() == 4 // result: (RORWconst [c] x) for { t := v.Type c := v.AuxInt _ = v.Args[1] v_0 := v.Args[0] if v_0.Op != OpARM64SLLconst { break } if v_0.AuxInt != 32-c { break } x := v_0.Args[0] v_1 := v.Args[1] if v_1.Op != OpARM64MOVWUreg { break } if x != v_1.Args[0] { break } if !(c < 32 && t.Size() == 4) { break } v.reset(OpARM64RORWconst) v.AuxInt = c v.AddArg(x) return true } return false } func rewriteValueARM64_OpAbs_0(v *Value) bool { // match: (Abs x) // cond: // result: (FABSD x) for { x := v.Args[0] v.reset(OpARM64FABSD) v.AddArg(x) return true } } func rewriteValueARM64_OpAdd16_0(v *Value) bool { // match: (Add16 x y) // cond: // result: (ADD x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64ADD) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAdd32_0(v *Value) bool { // match: (Add32 x y) // cond: // result: (ADD x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64ADD) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAdd32F_0(v *Value) bool { // match: (Add32F x y) // cond: // result: (FADDS x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64FADDS) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAdd64_0(v *Value) bool { // match: (Add64 x y) // cond: // result: (ADD x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64ADD) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAdd64F_0(v *Value) bool { // match: (Add64F x y) // cond: // result: (FADDD x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64FADDD) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAdd8_0(v *Value) bool { // match: (Add8 x y) // cond: // result: (ADD x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64ADD) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAddPtr_0(v *Value) bool { // match: (AddPtr x y) // cond: // result: (ADD x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64ADD) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAddr_0(v *Value) bool { // match: (Addr {sym} base) // cond: // result: (MOVDaddr {sym} base) for { sym := v.Aux base := v.Args[0] v.reset(OpARM64MOVDaddr) v.Aux = sym v.AddArg(base) return true } } func rewriteValueARM64_OpAnd16_0(v *Value) bool { // match: (And16 x y) // cond: // result: (AND x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64AND) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAnd32_0(v *Value) bool { // match: (And32 x y) // cond: // result: (AND x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64AND) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAnd64_0(v *Value) bool { // match: (And64 x y) // cond: // result: (AND x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64AND) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAnd8_0(v *Value) bool { // match: (And8 x y) // cond: // result: (AND x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64AND) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAndB_0(v *Value) bool { // match: (AndB x y) // cond: // result: (AND x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64AND) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpAtomicAdd32_0(v *Value) bool { // match: (AtomicAdd32 ptr val mem) // cond: // result: (LoweredAtomicAdd32 ptr val mem) for { _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] v.reset(OpARM64LoweredAtomicAdd32) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicAdd32Variant_0(v *Value) bool { // match: (AtomicAdd32Variant ptr val mem) // cond: // result: (LoweredAtomicAdd32Variant ptr val mem) for { _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] v.reset(OpARM64LoweredAtomicAdd32Variant) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicAdd64_0(v *Value) bool { // match: (AtomicAdd64 ptr val mem) // cond: // result: (LoweredAtomicAdd64 ptr val mem) for { _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] v.reset(OpARM64LoweredAtomicAdd64) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicAdd64Variant_0(v *Value) bool { // match: (AtomicAdd64Variant ptr val mem) // cond: // result: (LoweredAtomicAdd64Variant ptr val mem) for { _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] v.reset(OpARM64LoweredAtomicAdd64Variant) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicAnd8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (AtomicAnd8 ptr val mem) // cond: // result: (Select1 (LoweredAtomicAnd8 ptr val mem)) for { _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] v.reset(OpSelect1) v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd8, types.NewTuple(typ.UInt8, types.TypeMem)) v0.AddArg(ptr) v0.AddArg(val) v0.AddArg(mem) v.AddArg(v0) return true } } func rewriteValueARM64_OpAtomicCompareAndSwap32_0(v *Value) bool { // match: (AtomicCompareAndSwap32 ptr old new_ mem) // cond: // result: (LoweredAtomicCas32 ptr old new_ mem) for { _ = v.Args[3] ptr := v.Args[0] old := v.Args[1] new_ := v.Args[2] mem := v.Args[3] v.reset(OpARM64LoweredAtomicCas32) v.AddArg(ptr) v.AddArg(old) v.AddArg(new_) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicCompareAndSwap64_0(v *Value) bool { // match: (AtomicCompareAndSwap64 ptr old new_ mem) // cond: // result: (LoweredAtomicCas64 ptr old new_ mem) for { _ = v.Args[3] ptr := v.Args[0] old := v.Args[1] new_ := v.Args[2] mem := v.Args[3] v.reset(OpARM64LoweredAtomicCas64) v.AddArg(ptr) v.AddArg(old) v.AddArg(new_) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicExchange32_0(v *Value) bool { // match: (AtomicExchange32 ptr val mem) // cond: // result: (LoweredAtomicExchange32 ptr val mem) for { _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] v.reset(OpARM64LoweredAtomicExchange32) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicExchange64_0(v *Value) bool { // match: (AtomicExchange64 ptr val mem) // cond: // result: (LoweredAtomicExchange64 ptr val mem) for { _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] v.reset(OpARM64LoweredAtomicExchange64) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicLoad32_0(v *Value) bool { // match: (AtomicLoad32 ptr mem) // cond: // result: (LDARW ptr mem) for { _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64LDARW) v.AddArg(ptr) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicLoad64_0(v *Value) bool { // match: (AtomicLoad64 ptr mem) // cond: // result: (LDAR ptr mem) for { _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64LDAR) v.AddArg(ptr) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicLoadPtr_0(v *Value) bool { // match: (AtomicLoadPtr ptr mem) // cond: // result: (LDAR ptr mem) for { _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64LDAR) v.AddArg(ptr) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicOr8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (AtomicOr8 ptr val mem) // cond: // result: (Select1 (LoweredAtomicOr8 ptr val mem)) for { _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] v.reset(OpSelect1) v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr8, types.NewTuple(typ.UInt8, types.TypeMem)) v0.AddArg(ptr) v0.AddArg(val) v0.AddArg(mem) v.AddArg(v0) return true } } func rewriteValueARM64_OpAtomicStore32_0(v *Value) bool { // match: (AtomicStore32 ptr val mem) // cond: // result: (STLRW ptr val mem) for { _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] v.reset(OpARM64STLRW) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicStore64_0(v *Value) bool { // match: (AtomicStore64 ptr val mem) // cond: // result: (STLR ptr val mem) for { _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] v.reset(OpARM64STLR) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } } func rewriteValueARM64_OpAtomicStorePtrNoWB_0(v *Value) bool { // match: (AtomicStorePtrNoWB ptr val mem) // cond: // result: (STLR ptr val mem) for { _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] v.reset(OpARM64STLR) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } } func rewriteValueARM64_OpAvg64u_0(v *Value) bool { b := v.Block _ = b // match: (Avg64u <t> x y) // cond: // result: (ADD (SRLconst <t> (SUB <t> x y) [1]) y) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64ADD) v0 := b.NewValue0(v.Pos, OpARM64SRLconst, t) v0.AuxInt = 1 v1 := b.NewValue0(v.Pos, OpARM64SUB, t) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v.AddArg(y) return true } } func rewriteValueARM64_OpBitLen32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (BitLen32 x) // cond: // result: (SUB (MOVDconst [32]) (CLZW <typ.Int> x)) for { x := v.Args[0] v.reset(OpARM64SUB) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 32 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CLZW, typ.Int) v1.AddArg(x) v.AddArg(v1) return true } } func rewriteValueARM64_OpBitLen64_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (BitLen64 x) // cond: // result: (SUB (MOVDconst [64]) (CLZ <typ.Int> x)) for { x := v.Args[0] v.reset(OpARM64SUB) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 64 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CLZ, typ.Int) v1.AddArg(x) v.AddArg(v1) return true } } func rewriteValueARM64_OpBitRev16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (BitRev16 x) // cond: // result: (SRLconst [48] (RBIT <typ.UInt64> x)) for { x := v.Args[0] v.reset(OpARM64SRLconst) v.AuxInt = 48 v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64) v0.AddArg(x) v.AddArg(v0) return true } } func rewriteValueARM64_OpBitRev32_0(v *Value) bool { // match: (BitRev32 x) // cond: // result: (RBITW x) for { x := v.Args[0] v.reset(OpARM64RBITW) v.AddArg(x) return true } } func rewriteValueARM64_OpBitRev64_0(v *Value) bool { // match: (BitRev64 x) // cond: // result: (RBIT x) for { x := v.Args[0] v.reset(OpARM64RBIT) v.AddArg(x) return true } } func rewriteValueARM64_OpBitRev8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (BitRev8 x) // cond: // result: (SRLconst [56] (RBIT <typ.UInt64> x)) for { x := v.Args[0] v.reset(OpARM64SRLconst) v.AuxInt = 56 v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64) v0.AddArg(x) v.AddArg(v0) return true } } func rewriteValueARM64_OpBswap32_0(v *Value) bool { // match: (Bswap32 x) // cond: // result: (REVW x) for { x := v.Args[0] v.reset(OpARM64REVW) v.AddArg(x) return true } } func rewriteValueARM64_OpBswap64_0(v *Value) bool { // match: (Bswap64 x) // cond: // result: (REV x) for { x := v.Args[0] v.reset(OpARM64REV) v.AddArg(x) return true } } func rewriteValueARM64_OpCeil_0(v *Value) bool { // match: (Ceil x) // cond: // result: (FRINTPD x) for { x := v.Args[0] v.reset(OpARM64FRINTPD) v.AddArg(x) return true } } func rewriteValueARM64_OpClosureCall_0(v *Value) bool { // match: (ClosureCall [argwid] entry closure mem) // cond: // result: (CALLclosure [argwid] entry closure mem) for { argwid := v.AuxInt _ = v.Args[2] entry := v.Args[0] closure := v.Args[1] mem := v.Args[2] v.reset(OpARM64CALLclosure) v.AuxInt = argwid v.AddArg(entry) v.AddArg(closure) v.AddArg(mem) return true } } func rewriteValueARM64_OpCom16_0(v *Value) bool { // match: (Com16 x) // cond: // result: (MVN x) for { x := v.Args[0] v.reset(OpARM64MVN) v.AddArg(x) return true } } func rewriteValueARM64_OpCom32_0(v *Value) bool { // match: (Com32 x) // cond: // result: (MVN x) for { x := v.Args[0] v.reset(OpARM64MVN) v.AddArg(x) return true } } func rewriteValueARM64_OpCom64_0(v *Value) bool { // match: (Com64 x) // cond: // result: (MVN x) for { x := v.Args[0] v.reset(OpARM64MVN) v.AddArg(x) return true } } func rewriteValueARM64_OpCom8_0(v *Value) bool { // match: (Com8 x) // cond: // result: (MVN x) for { x := v.Args[0] v.reset(OpARM64MVN) v.AddArg(x) return true } } func rewriteValueARM64_OpCondSelect_0(v *Value) bool { b := v.Block _ = b // match: (CondSelect x y bool) // cond: flagArg(bool) != nil // result: (CSEL {bool.Op} x y flagArg(bool)) for { _ = v.Args[2] x := v.Args[0] y := v.Args[1] bool := v.Args[2] if !(flagArg(bool) != nil) { break } v.reset(OpARM64CSEL) v.Aux = bool.Op v.AddArg(x) v.AddArg(y) v.AddArg(flagArg(bool)) return true } // match: (CondSelect x y bool) // cond: flagArg(bool) == nil // result: (CSEL {OpARM64NotEqual} x y (CMPWconst [0] bool)) for { _ = v.Args[2] x := v.Args[0] y := v.Args[1] bool := v.Args[2] if !(flagArg(bool) == nil) { break } v.reset(OpARM64CSEL) v.Aux = OpARM64NotEqual v.AddArg(x) v.AddArg(y) v0 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags) v0.AuxInt = 0 v0.AddArg(bool) v.AddArg(v0) return true } return false } func rewriteValueARM64_OpConst16_0(v *Value) bool { // match: (Const16 [val]) // cond: // result: (MOVDconst [val]) for { val := v.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = val return true } } func rewriteValueARM64_OpConst32_0(v *Value) bool { // match: (Const32 [val]) // cond: // result: (MOVDconst [val]) for { val := v.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = val return true } } func rewriteValueARM64_OpConst32F_0(v *Value) bool { // match: (Const32F [val]) // cond: // result: (FMOVSconst [val]) for { val := v.AuxInt v.reset(OpARM64FMOVSconst) v.AuxInt = val return true } } func rewriteValueARM64_OpConst64_0(v *Value) bool { // match: (Const64 [val]) // cond: // result: (MOVDconst [val]) for { val := v.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = val return true } } func rewriteValueARM64_OpConst64F_0(v *Value) bool { // match: (Const64F [val]) // cond: // result: (FMOVDconst [val]) for { val := v.AuxInt v.reset(OpARM64FMOVDconst) v.AuxInt = val return true } } func rewriteValueARM64_OpConst8_0(v *Value) bool { // match: (Const8 [val]) // cond: // result: (MOVDconst [val]) for { val := v.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = val return true } } func rewriteValueARM64_OpConstBool_0(v *Value) bool { // match: (ConstBool [b]) // cond: // result: (MOVDconst [b]) for { b := v.AuxInt v.reset(OpARM64MOVDconst) v.AuxInt = b return true } } func rewriteValueARM64_OpConstNil_0(v *Value) bool { // match: (ConstNil) // cond: // result: (MOVDconst [0]) for { v.reset(OpARM64MOVDconst) v.AuxInt = 0 return true } } func rewriteValueARM64_OpCtz32_0(v *Value) bool { b := v.Block _ = b // match: (Ctz32 <t> x) // cond: // result: (CLZW (RBITW <t> x)) for { t := v.Type x := v.Args[0] v.reset(OpARM64CLZW) v0 := b.NewValue0(v.Pos, OpARM64RBITW, t) v0.AddArg(x) v.AddArg(v0) return true } } func rewriteValueARM64_OpCtz32NonZero_0(v *Value) bool { // match: (Ctz32NonZero x) // cond: // result: (Ctz32 x) for { x := v.Args[0] v.reset(OpCtz32) v.AddArg(x) return true } } func rewriteValueARM64_OpCtz64_0(v *Value) bool { b := v.Block _ = b // match: (Ctz64 <t> x) // cond: // result: (CLZ (RBIT <t> x)) for { t := v.Type x := v.Args[0] v.reset(OpARM64CLZ) v0 := b.NewValue0(v.Pos, OpARM64RBIT, t) v0.AddArg(x) v.AddArg(v0) return true } } func rewriteValueARM64_OpCtz64NonZero_0(v *Value) bool { // match: (Ctz64NonZero x) // cond: // result: (Ctz64 x) for { x := v.Args[0] v.reset(OpCtz64) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt32Fto32_0(v *Value) bool { // match: (Cvt32Fto32 x) // cond: // result: (FCVTZSSW x) for { x := v.Args[0] v.reset(OpARM64FCVTZSSW) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt32Fto32U_0(v *Value) bool { // match: (Cvt32Fto32U x) // cond: // result: (FCVTZUSW x) for { x := v.Args[0] v.reset(OpARM64FCVTZUSW) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt32Fto64_0(v *Value) bool { // match: (Cvt32Fto64 x) // cond: // result: (FCVTZSS x) for { x := v.Args[0] v.reset(OpARM64FCVTZSS) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt32Fto64F_0(v *Value) bool { // match: (Cvt32Fto64F x) // cond: // result: (FCVTSD x) for { x := v.Args[0] v.reset(OpARM64FCVTSD) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt32Fto64U_0(v *Value) bool { // match: (Cvt32Fto64U x) // cond: // result: (FCVTZUS x) for { x := v.Args[0] v.reset(OpARM64FCVTZUS) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt32Uto32F_0(v *Value) bool { // match: (Cvt32Uto32F x) // cond: // result: (UCVTFWS x) for { x := v.Args[0] v.reset(OpARM64UCVTFWS) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt32Uto64F_0(v *Value) bool { // match: (Cvt32Uto64F x) // cond: // result: (UCVTFWD x) for { x := v.Args[0] v.reset(OpARM64UCVTFWD) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt32to32F_0(v *Value) bool { // match: (Cvt32to32F x) // cond: // result: (SCVTFWS x) for { x := v.Args[0] v.reset(OpARM64SCVTFWS) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt32to64F_0(v *Value) bool { // match: (Cvt32to64F x) // cond: // result: (SCVTFWD x) for { x := v.Args[0] v.reset(OpARM64SCVTFWD) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt64Fto32_0(v *Value) bool { // match: (Cvt64Fto32 x) // cond: // result: (FCVTZSDW x) for { x := v.Args[0] v.reset(OpARM64FCVTZSDW) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt64Fto32F_0(v *Value) bool { // match: (Cvt64Fto32F x) // cond: // result: (FCVTDS x) for { x := v.Args[0] v.reset(OpARM64FCVTDS) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt64Fto32U_0(v *Value) bool { // match: (Cvt64Fto32U x) // cond: // result: (FCVTZUDW x) for { x := v.Args[0] v.reset(OpARM64FCVTZUDW) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt64Fto64_0(v *Value) bool { // match: (Cvt64Fto64 x) // cond: // result: (FCVTZSD x) for { x := v.Args[0] v.reset(OpARM64FCVTZSD) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt64Fto64U_0(v *Value) bool { // match: (Cvt64Fto64U x) // cond: // result: (FCVTZUD x) for { x := v.Args[0] v.reset(OpARM64FCVTZUD) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt64Uto32F_0(v *Value) bool { // match: (Cvt64Uto32F x) // cond: // result: (UCVTFS x) for { x := v.Args[0] v.reset(OpARM64UCVTFS) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt64Uto64F_0(v *Value) bool { // match: (Cvt64Uto64F x) // cond: // result: (UCVTFD x) for { x := v.Args[0] v.reset(OpARM64UCVTFD) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt64to32F_0(v *Value) bool { // match: (Cvt64to32F x) // cond: // result: (SCVTFS x) for { x := v.Args[0] v.reset(OpARM64SCVTFS) v.AddArg(x) return true } } func rewriteValueARM64_OpCvt64to64F_0(v *Value) bool { // match: (Cvt64to64F x) // cond: // result: (SCVTFD x) for { x := v.Args[0] v.reset(OpARM64SCVTFD) v.AddArg(x) return true } } func rewriteValueARM64_OpDiv16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Div16 x y) // cond: // result: (DIVW (SignExt16to32 x) (SignExt16to32 y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64DIVW) v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v1.AddArg(y) v.AddArg(v1) return true } } func rewriteValueARM64_OpDiv16u_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Div16u x y) // cond: // result: (UDIVW (ZeroExt16to32 x) (ZeroExt16to32 y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64UDIVW) v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v1.AddArg(y) v.AddArg(v1) return true } } func rewriteValueARM64_OpDiv32_0(v *Value) bool { // match: (Div32 x y) // cond: // result: (DIVW x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64DIVW) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpDiv32F_0(v *Value) bool { // match: (Div32F x y) // cond: // result: (FDIVS x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64FDIVS) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpDiv32u_0(v *Value) bool { // match: (Div32u x y) // cond: // result: (UDIVW x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64UDIVW) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpDiv64_0(v *Value) bool { // match: (Div64 x y) // cond: // result: (DIV x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64DIV) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpDiv64F_0(v *Value) bool { // match: (Div64F x y) // cond: // result: (FDIVD x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64FDIVD) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpDiv64u_0(v *Value) bool { // match: (Div64u x y) // cond: // result: (UDIV x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64UDIV) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpDiv8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Div8 x y) // cond: // result: (DIVW (SignExt8to32 x) (SignExt8to32 y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64DIVW) v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v1.AddArg(y) v.AddArg(v1) return true } } func rewriteValueARM64_OpDiv8u_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Div8u x y) // cond: // result: (UDIVW (ZeroExt8to32 x) (ZeroExt8to32 y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64UDIVW) v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v1.AddArg(y) v.AddArg(v1) return true } } func rewriteValueARM64_OpEq16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Eq16 x y) // cond: // result: (Equal (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64Equal) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpEq32_0(v *Value) bool { b := v.Block _ = b // match: (Eq32 x y) // cond: // result: (Equal (CMPW x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64Equal) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpEq32F_0(v *Value) bool { b := v.Block _ = b // match: (Eq32F x y) // cond: // result: (Equal (FCMPS x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64Equal) v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpEq64_0(v *Value) bool { b := v.Block _ = b // match: (Eq64 x y) // cond: // result: (Equal (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64Equal) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpEq64F_0(v *Value) bool { b := v.Block _ = b // match: (Eq64F x y) // cond: // result: (Equal (FCMPD x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64Equal) v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpEq8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Eq8 x y) // cond: // result: (Equal (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64Equal) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpEqB_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (EqB x y) // cond: // result: (XOR (MOVDconst [1]) (XOR <typ.Bool> x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64XOR) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 1 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64XOR, typ.Bool) v1.AddArg(x) v1.AddArg(y) v.AddArg(v1) return true } } func rewriteValueARM64_OpEqPtr_0(v *Value) bool { b := v.Block _ = b // match: (EqPtr x y) // cond: // result: (Equal (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64Equal) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpFloor_0(v *Value) bool { // match: (Floor x) // cond: // result: (FRINTMD x) for { x := v.Args[0] v.reset(OpARM64FRINTMD) v.AddArg(x) return true } } func rewriteValueARM64_OpGeq16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Geq16 x y) // cond: // result: (GreaterEqual (CMPW (SignExt16to32 x) (SignExt16to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqual) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpGeq16U_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Geq16U x y) // cond: // result: (GreaterEqualU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqualU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpGeq32_0(v *Value) bool { b := v.Block _ = b // match: (Geq32 x y) // cond: // result: (GreaterEqual (CMPW x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqual) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGeq32F_0(v *Value) bool { b := v.Block _ = b // match: (Geq32F x y) // cond: // result: (GreaterEqual (FCMPS x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqual) v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGeq32U_0(v *Value) bool { b := v.Block _ = b // match: (Geq32U x y) // cond: // result: (GreaterEqualU (CMPW x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqualU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGeq64_0(v *Value) bool { b := v.Block _ = b // match: (Geq64 x y) // cond: // result: (GreaterEqual (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqual) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGeq64F_0(v *Value) bool { b := v.Block _ = b // match: (Geq64F x y) // cond: // result: (GreaterEqual (FCMPD x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqual) v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGeq64U_0(v *Value) bool { b := v.Block _ = b // match: (Geq64U x y) // cond: // result: (GreaterEqualU (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqualU) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGeq8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Geq8 x y) // cond: // result: (GreaterEqual (CMPW (SignExt8to32 x) (SignExt8to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqual) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpGeq8U_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Geq8U x y) // cond: // result: (GreaterEqualU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqualU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpGetCallerPC_0(v *Value) bool { // match: (GetCallerPC) // cond: // result: (LoweredGetCallerPC) for { v.reset(OpARM64LoweredGetCallerPC) return true } } func rewriteValueARM64_OpGetCallerSP_0(v *Value) bool { // match: (GetCallerSP) // cond: // result: (LoweredGetCallerSP) for { v.reset(OpARM64LoweredGetCallerSP) return true } } func rewriteValueARM64_OpGetClosurePtr_0(v *Value) bool { // match: (GetClosurePtr) // cond: // result: (LoweredGetClosurePtr) for { v.reset(OpARM64LoweredGetClosurePtr) return true } } func rewriteValueARM64_OpGreater16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Greater16 x y) // cond: // result: (GreaterThan (CMPW (SignExt16to32 x) (SignExt16to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThan) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpGreater16U_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Greater16U x y) // cond: // result: (GreaterThanU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThanU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpGreater32_0(v *Value) bool { b := v.Block _ = b // match: (Greater32 x y) // cond: // result: (GreaterThan (CMPW x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThan) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGreater32F_0(v *Value) bool { b := v.Block _ = b // match: (Greater32F x y) // cond: // result: (GreaterThan (FCMPS x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThan) v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGreater32U_0(v *Value) bool { b := v.Block _ = b // match: (Greater32U x y) // cond: // result: (GreaterThanU (CMPW x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThanU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGreater64_0(v *Value) bool { b := v.Block _ = b // match: (Greater64 x y) // cond: // result: (GreaterThan (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThan) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGreater64F_0(v *Value) bool { b := v.Block _ = b // match: (Greater64F x y) // cond: // result: (GreaterThan (FCMPD x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThan) v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGreater64U_0(v *Value) bool { b := v.Block _ = b // match: (Greater64U x y) // cond: // result: (GreaterThanU (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThanU) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpGreater8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Greater8 x y) // cond: // result: (GreaterThan (CMPW (SignExt8to32 x) (SignExt8to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThan) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpGreater8U_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Greater8U x y) // cond: // result: (GreaterThanU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThanU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpHmul32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Hmul32 x y) // cond: // result: (SRAconst (MULL <typ.Int64> x y) [32]) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRAconst) v.AuxInt = 32 v0 := b.NewValue0(v.Pos, OpARM64MULL, typ.Int64) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpHmul32u_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Hmul32u x y) // cond: // result: (SRAconst (UMULL <typ.UInt64> x y) [32]) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRAconst) v.AuxInt = 32 v0 := b.NewValue0(v.Pos, OpARM64UMULL, typ.UInt64) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpHmul64_0(v *Value) bool { // match: (Hmul64 x y) // cond: // result: (MULH x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64MULH) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpHmul64u_0(v *Value) bool { // match: (Hmul64u x y) // cond: // result: (UMULH x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64UMULH) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpInterCall_0(v *Value) bool { // match: (InterCall [argwid] entry mem) // cond: // result: (CALLinter [argwid] entry mem) for { argwid := v.AuxInt _ = v.Args[1] entry := v.Args[0] mem := v.Args[1] v.reset(OpARM64CALLinter) v.AuxInt = argwid v.AddArg(entry) v.AddArg(mem) return true } } func rewriteValueARM64_OpIsInBounds_0(v *Value) bool { b := v.Block _ = b // match: (IsInBounds idx len) // cond: // result: (LessThanU (CMP idx len)) for { _ = v.Args[1] idx := v.Args[0] len := v.Args[1] v.reset(OpARM64LessThanU) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(idx) v0.AddArg(len) v.AddArg(v0) return true } } func rewriteValueARM64_OpIsNonNil_0(v *Value) bool { b := v.Block _ = b // match: (IsNonNil ptr) // cond: // result: (NotEqual (CMPconst [0] ptr)) for { ptr := v.Args[0] v.reset(OpARM64NotEqual) v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v0.AuxInt = 0 v0.AddArg(ptr) v.AddArg(v0) return true } } func rewriteValueARM64_OpIsSliceInBounds_0(v *Value) bool { b := v.Block _ = b // match: (IsSliceInBounds idx len) // cond: // result: (LessEqualU (CMP idx len)) for { _ = v.Args[1] idx := v.Args[0] len := v.Args[1] v.reset(OpARM64LessEqualU) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(idx) v0.AddArg(len) v.AddArg(v0) return true } } func rewriteValueARM64_OpLeq16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Leq16 x y) // cond: // result: (LessEqual (CMPW (SignExt16to32 x) (SignExt16to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessEqual) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpLeq16U_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Leq16U x y) // cond: // result: (LessEqualU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessEqualU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpLeq32_0(v *Value) bool { b := v.Block _ = b // match: (Leq32 x y) // cond: // result: (LessEqual (CMPW x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessEqual) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpLeq32F_0(v *Value) bool { b := v.Block _ = b // match: (Leq32F x y) // cond: // result: (GreaterEqual (FCMPS y x)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqual) v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags) v0.AddArg(y) v0.AddArg(x) v.AddArg(v0) return true } } func rewriteValueARM64_OpLeq32U_0(v *Value) bool { b := v.Block _ = b // match: (Leq32U x y) // cond: // result: (LessEqualU (CMPW x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessEqualU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpLeq64_0(v *Value) bool { b := v.Block _ = b // match: (Leq64 x y) // cond: // result: (LessEqual (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessEqual) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpLeq64F_0(v *Value) bool { b := v.Block _ = b // match: (Leq64F x y) // cond: // result: (GreaterEqual (FCMPD y x)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterEqual) v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags) v0.AddArg(y) v0.AddArg(x) v.AddArg(v0) return true } } func rewriteValueARM64_OpLeq64U_0(v *Value) bool { b := v.Block _ = b // match: (Leq64U x y) // cond: // result: (LessEqualU (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessEqualU) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpLeq8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Leq8 x y) // cond: // result: (LessEqual (CMPW (SignExt8to32 x) (SignExt8to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessEqual) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpLeq8U_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Leq8U x y) // cond: // result: (LessEqualU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessEqualU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpLess16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Less16 x y) // cond: // result: (LessThan (CMPW (SignExt16to32 x) (SignExt16to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessThan) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpLess16U_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Less16U x y) // cond: // result: (LessThanU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessThanU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpLess32_0(v *Value) bool { b := v.Block _ = b // match: (Less32 x y) // cond: // result: (LessThan (CMPW x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessThan) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpLess32F_0(v *Value) bool { b := v.Block _ = b // match: (Less32F x y) // cond: // result: (GreaterThan (FCMPS y x)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThan) v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags) v0.AddArg(y) v0.AddArg(x) v.AddArg(v0) return true } } func rewriteValueARM64_OpLess32U_0(v *Value) bool { b := v.Block _ = b // match: (Less32U x y) // cond: // result: (LessThanU (CMPW x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessThanU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpLess64_0(v *Value) bool { b := v.Block _ = b // match: (Less64 x y) // cond: // result: (LessThan (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessThan) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpLess64F_0(v *Value) bool { b := v.Block _ = b // match: (Less64F x y) // cond: // result: (GreaterThan (FCMPD y x)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64GreaterThan) v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags) v0.AddArg(y) v0.AddArg(x) v.AddArg(v0) return true } } func rewriteValueARM64_OpLess64U_0(v *Value) bool { b := v.Block _ = b // match: (Less64U x y) // cond: // result: (LessThanU (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessThanU) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpLess8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Less8 x y) // cond: // result: (LessThan (CMPW (SignExt8to32 x) (SignExt8to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessThan) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpLess8U_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Less8U x y) // cond: // result: (LessThanU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LessThanU) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpLoad_0(v *Value) bool { // match: (Load <t> ptr mem) // cond: t.IsBoolean() // result: (MOVBUload ptr mem) for { t := v.Type _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(t.IsBoolean()) { break } v.reset(OpARM64MOVBUload) v.AddArg(ptr) v.AddArg(mem) return true } // match: (Load <t> ptr mem) // cond: (is8BitInt(t) && isSigned(t)) // result: (MOVBload ptr mem) for { t := v.Type _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(is8BitInt(t) && isSigned(t)) { break } v.reset(OpARM64MOVBload) v.AddArg(ptr) v.AddArg(mem) return true } // match: (Load <t> ptr mem) // cond: (is8BitInt(t) && !isSigned(t)) // result: (MOVBUload ptr mem) for { t := v.Type _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(is8BitInt(t) && !isSigned(t)) { break } v.reset(OpARM64MOVBUload) v.AddArg(ptr) v.AddArg(mem) return true } // match: (Load <t> ptr mem) // cond: (is16BitInt(t) && isSigned(t)) // result: (MOVHload ptr mem) for { t := v.Type _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(is16BitInt(t) && isSigned(t)) { break } v.reset(OpARM64MOVHload) v.AddArg(ptr) v.AddArg(mem) return true } // match: (Load <t> ptr mem) // cond: (is16BitInt(t) && !isSigned(t)) // result: (MOVHUload ptr mem) for { t := v.Type _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(is16BitInt(t) && !isSigned(t)) { break } v.reset(OpARM64MOVHUload) v.AddArg(ptr) v.AddArg(mem) return true } // match: (Load <t> ptr mem) // cond: (is32BitInt(t) && isSigned(t)) // result: (MOVWload ptr mem) for { t := v.Type _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(is32BitInt(t) && isSigned(t)) { break } v.reset(OpARM64MOVWload) v.AddArg(ptr) v.AddArg(mem) return true } // match: (Load <t> ptr mem) // cond: (is32BitInt(t) && !isSigned(t)) // result: (MOVWUload ptr mem) for { t := v.Type _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(is32BitInt(t) && !isSigned(t)) { break } v.reset(OpARM64MOVWUload) v.AddArg(ptr) v.AddArg(mem) return true } // match: (Load <t> ptr mem) // cond: (is64BitInt(t) || isPtr(t)) // result: (MOVDload ptr mem) for { t := v.Type _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(is64BitInt(t) || isPtr(t)) { break } v.reset(OpARM64MOVDload) v.AddArg(ptr) v.AddArg(mem) return true } // match: (Load <t> ptr mem) // cond: is32BitFloat(t) // result: (FMOVSload ptr mem) for { t := v.Type _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(is32BitFloat(t)) { break } v.reset(OpARM64FMOVSload) v.AddArg(ptr) v.AddArg(mem) return true } // match: (Load <t> ptr mem) // cond: is64BitFloat(t) // result: (FMOVDload ptr mem) for { t := v.Type _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(is64BitFloat(t)) { break } v.reset(OpARM64FMOVDload) v.AddArg(ptr) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpLocalAddr_0(v *Value) bool { // match: (LocalAddr {sym} base _) // cond: // result: (MOVDaddr {sym} base) for { sym := v.Aux _ = v.Args[1] base := v.Args[0] v.reset(OpARM64MOVDaddr) v.Aux = sym v.AddArg(base) return true } } func rewriteValueARM64_OpLsh16x16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh16x16 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpLsh16x32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh16x32 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpLsh16x64_0(v *Value) bool { b := v.Block _ = b // match: (Lsh16x64 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y)) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpConst64, t) v1.AuxInt = 0 v.AddArg(v1) v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v2.AuxInt = 64 v2.AddArg(y) v.AddArg(v2) return true } } func rewriteValueARM64_OpLsh16x8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh16x8 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpLsh32x16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh32x16 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpLsh32x32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh32x32 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpLsh32x64_0(v *Value) bool { b := v.Block _ = b // match: (Lsh32x64 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y)) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpConst64, t) v1.AuxInt = 0 v.AddArg(v1) v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v2.AuxInt = 64 v2.AddArg(y) v.AddArg(v2) return true } } func rewriteValueARM64_OpLsh32x8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh32x8 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpLsh64x16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh64x16 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpLsh64x32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh64x32 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpLsh64x64_0(v *Value) bool { b := v.Block _ = b // match: (Lsh64x64 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y)) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpConst64, t) v1.AuxInt = 0 v.AddArg(v1) v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v2.AuxInt = 64 v2.AddArg(y) v.AddArg(v2) return true } } func rewriteValueARM64_OpLsh64x8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh64x8 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpLsh8x16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh8x16 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpLsh8x32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh8x32 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpLsh8x64_0(v *Value) bool { b := v.Block _ = b // match: (Lsh8x64 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y)) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpConst64, t) v1.AuxInt = 0 v.AddArg(v1) v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v2.AuxInt = 64 v2.AddArg(y) v.AddArg(v2) return true } } func rewriteValueARM64_OpLsh8x8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Lsh8x8 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SLL <t> x (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SLL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpMod16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Mod16 x y) // cond: // result: (MODW (SignExt16to32 x) (SignExt16to32 y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64MODW) v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) v1.AddArg(y) v.AddArg(v1) return true } } func rewriteValueARM64_OpMod16u_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Mod16u x y) // cond: // result: (UMODW (ZeroExt16to32 x) (ZeroExt16to32 y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64UMODW) v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v1.AddArg(y) v.AddArg(v1) return true } } func rewriteValueARM64_OpMod32_0(v *Value) bool { // match: (Mod32 x y) // cond: // result: (MODW x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64MODW) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpMod32u_0(v *Value) bool { // match: (Mod32u x y) // cond: // result: (UMODW x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64UMODW) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpMod64_0(v *Value) bool { // match: (Mod64 x y) // cond: // result: (MOD x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64MOD) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpMod64u_0(v *Value) bool { // match: (Mod64u x y) // cond: // result: (UMOD x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64UMOD) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpMod8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Mod8 x y) // cond: // result: (MODW (SignExt8to32 x) (SignExt8to32 y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64MODW) v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) v1.AddArg(y) v.AddArg(v1) return true } } func rewriteValueARM64_OpMod8u_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Mod8u x y) // cond: // result: (UMODW (ZeroExt8to32 x) (ZeroExt8to32 y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64UMODW) v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v1.AddArg(y) v.AddArg(v1) return true } } func rewriteValueARM64_OpMove_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Move [0] _ _ mem) // cond: // result: mem for { if v.AuxInt != 0 { break } _ = v.Args[2] mem := v.Args[2] v.reset(OpCopy) v.Type = mem.Type v.AddArg(mem) return true } // match: (Move [1] dst src mem) // cond: // result: (MOVBstore dst (MOVBUload src mem) mem) for { if v.AuxInt != 1 { break } _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVBstore) v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8) v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v.AddArg(mem) return true } // match: (Move [2] dst src mem) // cond: // result: (MOVHstore dst (MOVHUload src mem) mem) for { if v.AuxInt != 2 { break } _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVHstore) v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16) v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v.AddArg(mem) return true } // match: (Move [4] dst src mem) // cond: // result: (MOVWstore dst (MOVWUload src mem) mem) for { if v.AuxInt != 4 { break } _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVWstore) v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32) v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v.AddArg(mem) return true } // match: (Move [8] dst src mem) // cond: // result: (MOVDstore dst (MOVDload src mem) mem) for { if v.AuxInt != 8 { break } _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVDstore) v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v.AddArg(mem) return true } // match: (Move [3] dst src mem) // cond: // result: (MOVBstore [2] dst (MOVBUload [2] src mem) (MOVHstore dst (MOVHUload src mem) mem)) for { if v.AuxInt != 3 { break } _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVBstore) v.AuxInt = 2 v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8) v0.AuxInt = 2 v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) v1.AddArg(dst) v2 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16) v2.AddArg(src) v2.AddArg(mem) v1.AddArg(v2) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Move [5] dst src mem) // cond: // result: (MOVBstore [4] dst (MOVBUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem)) for { if v.AuxInt != 5 { break } _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVBstore) v.AuxInt = 4 v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8) v0.AuxInt = 4 v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) v1.AddArg(dst) v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32) v2.AddArg(src) v2.AddArg(mem) v1.AddArg(v2) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Move [6] dst src mem) // cond: // result: (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem)) for { if v.AuxInt != 6 { break } _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVHstore) v.AuxInt = 4 v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16) v0.AuxInt = 4 v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) v1.AddArg(dst) v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32) v2.AddArg(src) v2.AddArg(mem) v1.AddArg(v2) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Move [7] dst src mem) // cond: // result: (MOVBstore [6] dst (MOVBUload [6] src mem) (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))) for { if v.AuxInt != 7 { break } _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVBstore) v.AuxInt = 6 v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8) v0.AuxInt = 6 v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) v1.AuxInt = 4 v1.AddArg(dst) v2 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16) v2.AuxInt = 4 v2.AddArg(src) v2.AddArg(mem) v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) v3.AddArg(dst) v4 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32) v4.AddArg(src) v4.AddArg(mem) v3.AddArg(v4) v3.AddArg(mem) v1.AddArg(v3) v.AddArg(v1) return true } // match: (Move [12] dst src mem) // cond: // result: (MOVWstore [8] dst (MOVWUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem)) for { if v.AuxInt != 12 { break } _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVWstore) v.AuxInt = 8 v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32) v0.AuxInt = 8 v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) v1.AddArg(dst) v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) v2.AddArg(src) v2.AddArg(mem) v1.AddArg(v2) v1.AddArg(mem) v.AddArg(v1) return true } return false } func rewriteValueARM64_OpMove_10(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config typ := &b.Func.Config.Types _ = typ // match: (Move [16] dst src mem) // cond: // result: (MOVDstore [8] dst (MOVDload [8] src mem) (MOVDstore dst (MOVDload src mem) mem)) for { if v.AuxInt != 16 { break } _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVDstore) v.AuxInt = 8 v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) v0.AuxInt = 8 v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) v1.AddArg(dst) v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) v2.AddArg(src) v2.AddArg(mem) v1.AddArg(v2) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Move [24] dst src mem) // cond: // result: (MOVDstore [16] dst (MOVDload [16] src mem) (MOVDstore [8] dst (MOVDload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))) for { if v.AuxInt != 24 { break } _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] v.reset(OpARM64MOVDstore) v.AuxInt = 16 v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) v0.AuxInt = 16 v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) v1.AuxInt = 8 v1.AddArg(dst) v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) v2.AuxInt = 8 v2.AddArg(src) v2.AddArg(mem) v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) v3.AddArg(dst) v4 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) v4.AddArg(src) v4.AddArg(mem) v3.AddArg(v4) v3.AddArg(mem) v1.AddArg(v3) v.AddArg(v1) return true } // match: (Move [s] dst src mem) // cond: s%8 != 0 && s > 8 // result: (Move [s%8] (OffPtr <dst.Type> dst [s-s%8]) (OffPtr <src.Type> src [s-s%8]) (Move [s-s%8] dst src mem)) for { s := v.AuxInt _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] if !(s%8 != 0 && s > 8) { break } v.reset(OpMove) v.AuxInt = s % 8 v0 := b.NewValue0(v.Pos, OpOffPtr, dst.Type) v0.AuxInt = s - s%8 v0.AddArg(dst) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpOffPtr, src.Type) v1.AuxInt = s - s%8 v1.AddArg(src) v.AddArg(v1) v2 := b.NewValue0(v.Pos, OpMove, types.TypeMem) v2.AuxInt = s - s%8 v2.AddArg(dst) v2.AddArg(src) v2.AddArg(mem) v.AddArg(v2) return true } // match: (Move [s] dst src mem) // cond: s > 32 && s <= 16*64 && s%16 == 8 && !config.noDuffDevice // result: (MOVDstore [s-8] dst (MOVDload [s-8] src mem) (DUFFCOPY <types.TypeMem> [8*(64-(s-8)/16)] dst src mem)) for { s := v.AuxInt _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] if !(s > 32 && s <= 16*64 && s%16 == 8 && !config.noDuffDevice) { break } v.reset(OpARM64MOVDstore) v.AuxInt = s - 8 v.AddArg(dst) v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) v0.AuxInt = s - 8 v0.AddArg(src) v0.AddArg(mem) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64DUFFCOPY, types.TypeMem) v1.AuxInt = 8 * (64 - (s-8)/16) v1.AddArg(dst) v1.AddArg(src) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Move [s] dst src mem) // cond: s > 32 && s <= 16*64 && s%16 == 0 && !config.noDuffDevice // result: (DUFFCOPY [8 * (64 - s/16)] dst src mem) for { s := v.AuxInt _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] if !(s > 32 && s <= 16*64 && s%16 == 0 && !config.noDuffDevice) { break } v.reset(OpARM64DUFFCOPY) v.AuxInt = 8 * (64 - s/16) v.AddArg(dst) v.AddArg(src) v.AddArg(mem) return true } // match: (Move [s] dst src mem) // cond: s > 24 && s%8 == 0 // result: (LoweredMove dst src (ADDconst <src.Type> src [s-8]) mem) for { s := v.AuxInt _ = v.Args[2] dst := v.Args[0] src := v.Args[1] mem := v.Args[2] if !(s > 24 && s%8 == 0) { break } v.reset(OpARM64LoweredMove) v.AddArg(dst) v.AddArg(src) v0 := b.NewValue0(v.Pos, OpARM64ADDconst, src.Type) v0.AuxInt = s - 8 v0.AddArg(src) v.AddArg(v0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpMul16_0(v *Value) bool { // match: (Mul16 x y) // cond: // result: (MULW x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64MULW) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpMul32_0(v *Value) bool { // match: (Mul32 x y) // cond: // result: (MULW x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64MULW) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpMul32F_0(v *Value) bool { // match: (Mul32F x y) // cond: // result: (FMULS x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64FMULS) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpMul64_0(v *Value) bool { // match: (Mul64 x y) // cond: // result: (MUL x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64MUL) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpMul64F_0(v *Value) bool { // match: (Mul64F x y) // cond: // result: (FMULD x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64FMULD) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpMul64uhilo_0(v *Value) bool { // match: (Mul64uhilo x y) // cond: // result: (LoweredMuluhilo x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64LoweredMuluhilo) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpMul8_0(v *Value) bool { // match: (Mul8 x y) // cond: // result: (MULW x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64MULW) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpNeg16_0(v *Value) bool { // match: (Neg16 x) // cond: // result: (NEG x) for { x := v.Args[0] v.reset(OpARM64NEG) v.AddArg(x) return true } } func rewriteValueARM64_OpNeg32_0(v *Value) bool { // match: (Neg32 x) // cond: // result: (NEG x) for { x := v.Args[0] v.reset(OpARM64NEG) v.AddArg(x) return true } } func rewriteValueARM64_OpNeg32F_0(v *Value) bool { // match: (Neg32F x) // cond: // result: (FNEGS x) for { x := v.Args[0] v.reset(OpARM64FNEGS) v.AddArg(x) return true } } func rewriteValueARM64_OpNeg64_0(v *Value) bool { // match: (Neg64 x) // cond: // result: (NEG x) for { x := v.Args[0] v.reset(OpARM64NEG) v.AddArg(x) return true } } func rewriteValueARM64_OpNeg64F_0(v *Value) bool { // match: (Neg64F x) // cond: // result: (FNEGD x) for { x := v.Args[0] v.reset(OpARM64FNEGD) v.AddArg(x) return true } } func rewriteValueARM64_OpNeg8_0(v *Value) bool { // match: (Neg8 x) // cond: // result: (NEG x) for { x := v.Args[0] v.reset(OpARM64NEG) v.AddArg(x) return true } } func rewriteValueARM64_OpNeq16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Neq16 x y) // cond: // result: (NotEqual (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64NotEqual) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpNeq32_0(v *Value) bool { b := v.Block _ = b // match: (Neq32 x y) // cond: // result: (NotEqual (CMPW x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64NotEqual) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpNeq32F_0(v *Value) bool { b := v.Block _ = b // match: (Neq32F x y) // cond: // result: (NotEqual (FCMPS x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64NotEqual) v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpNeq64_0(v *Value) bool { b := v.Block _ = b // match: (Neq64 x y) // cond: // result: (NotEqual (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64NotEqual) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpNeq64F_0(v *Value) bool { b := v.Block _ = b // match: (Neq64F x y) // cond: // result: (NotEqual (FCMPD x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64NotEqual) v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpNeq8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Neq8 x y) // cond: // result: (NotEqual (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64NotEqual) v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpNeqB_0(v *Value) bool { // match: (NeqB x y) // cond: // result: (XOR x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64XOR) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpNeqPtr_0(v *Value) bool { b := v.Block _ = b // match: (NeqPtr x y) // cond: // result: (NotEqual (CMP x y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64NotEqual) v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpNilCheck_0(v *Value) bool { // match: (NilCheck ptr mem) // cond: // result: (LoweredNilCheck ptr mem) for { _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64LoweredNilCheck) v.AddArg(ptr) v.AddArg(mem) return true } } func rewriteValueARM64_OpNot_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Not x) // cond: // result: (XOR (MOVDconst [1]) x) for { x := v.Args[0] v.reset(OpARM64XOR) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 1 v.AddArg(v0) v.AddArg(x) return true } } func rewriteValueARM64_OpOffPtr_0(v *Value) bool { // match: (OffPtr [off] ptr:(SP)) // cond: // result: (MOVDaddr [off] ptr) for { off := v.AuxInt ptr := v.Args[0] if ptr.Op != OpSP { break } v.reset(OpARM64MOVDaddr) v.AuxInt = off v.AddArg(ptr) return true } // match: (OffPtr [off] ptr) // cond: // result: (ADDconst [off] ptr) for { off := v.AuxInt ptr := v.Args[0] v.reset(OpARM64ADDconst) v.AuxInt = off v.AddArg(ptr) return true } } func rewriteValueARM64_OpOr16_0(v *Value) bool { // match: (Or16 x y) // cond: // result: (OR x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64OR) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpOr32_0(v *Value) bool { // match: (Or32 x y) // cond: // result: (OR x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64OR) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpOr64_0(v *Value) bool { // match: (Or64 x y) // cond: // result: (OR x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64OR) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpOr8_0(v *Value) bool { // match: (Or8 x y) // cond: // result: (OR x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64OR) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpOrB_0(v *Value) bool { // match: (OrB x y) // cond: // result: (OR x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64OR) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpPopCount16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (PopCount16 <t> x) // cond: // result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt16to64 x))))) for { t := v.Type x := v.Args[0] v.reset(OpARM64FMOVDfpgp) v.Type = t v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64) v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64) v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64) v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v3.AddArg(x) v2.AddArg(v3) v1.AddArg(v2) v0.AddArg(v1) v.AddArg(v0) return true } } func rewriteValueARM64_OpPopCount32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (PopCount32 <t> x) // cond: // result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt32to64 x))))) for { t := v.Type x := v.Args[0] v.reset(OpARM64FMOVDfpgp) v.Type = t v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64) v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64) v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64) v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v3.AddArg(x) v2.AddArg(v3) v1.AddArg(v2) v0.AddArg(v1) v.AddArg(v0) return true } } func rewriteValueARM64_OpPopCount64_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (PopCount64 <t> x) // cond: // result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> x)))) for { t := v.Type x := v.Args[0] v.reset(OpARM64FMOVDfpgp) v.Type = t v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64) v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64) v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64) v2.AddArg(x) v1.AddArg(v2) v0.AddArg(v1) v.AddArg(v0) return true } } func rewriteValueARM64_OpRotateLeft32_0(v *Value) bool { b := v.Block _ = b // match: (RotateLeft32 x y) // cond: // result: (RORW x (NEG <y.Type> y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64RORW) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpRotateLeft64_0(v *Value) bool { b := v.Block _ = b // match: (RotateLeft64 x y) // cond: // result: (ROR x (NEG <y.Type> y)) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64ROR) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type) v0.AddArg(y) v.AddArg(v0) return true } } func rewriteValueARM64_OpRound_0(v *Value) bool { // match: (Round x) // cond: // result: (FRINTAD x) for { x := v.Args[0] v.reset(OpARM64FRINTAD) v.AddArg(x) return true } } func rewriteValueARM64_OpRound32F_0(v *Value) bool { // match: (Round32F x) // cond: // result: (LoweredRound32F x) for { x := v.Args[0] v.reset(OpARM64LoweredRound32F) v.AddArg(x) return true } } func rewriteValueARM64_OpRound64F_0(v *Value) bool { // match: (Round64F x) // cond: // result: (LoweredRound64F x) for { x := v.Args[0] v.reset(OpARM64LoweredRound64F) v.AddArg(x) return true } } func rewriteValueARM64_OpRoundToEven_0(v *Value) bool { // match: (RoundToEven x) // cond: // result: (FRINTND x) for { x := v.Args[0] v.reset(OpARM64FRINTND) v.AddArg(x) return true } } func rewriteValueARM64_OpRsh16Ux16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh16Ux16 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt16to64 x) (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) v3 := b.NewValue0(v.Pos, OpConst64, t) v3.AuxInt = 0 v.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v.AddArg(v4) return true } } func rewriteValueARM64_OpRsh16Ux32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh16Ux32 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt16to64 x) (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) v3 := b.NewValue0(v.Pos, OpConst64, t) v3.AuxInt = 0 v.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v.AddArg(v4) return true } } func rewriteValueARM64_OpRsh16Ux64_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh16Ux64 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] y)) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v0.AddArg(y) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v3.AddArg(y) v.AddArg(v3) return true } } func rewriteValueARM64_OpRsh16Ux8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh16Ux8 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt16to64 x) (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) v3 := b.NewValue0(v.Pos, OpConst64, t) v3.AuxInt = 0 v.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v.AddArg(v4) return true } } func rewriteValueARM64_OpRsh16x16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh16x16 x y) // cond: // result: (SRA (SignExt16to64 x) (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt16to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v2.AddArg(y) v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpConst64, y.Type) v3.AuxInt = 63 v1.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v1.AddArg(v4) v.AddArg(v1) return true } } func rewriteValueARM64_OpRsh16x32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh16x32 x y) // cond: // result: (SRA (SignExt16to64 x) (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt32to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v2.AddArg(y) v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpConst64, y.Type) v3.AuxInt = 63 v1.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v1.AddArg(v4) v.AddArg(v1) return true } } func rewriteValueARM64_OpRsh16x64_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh16x64 x y) // cond: // result: (SRA (SignExt16to64 x) (CSEL {OpARM64LessThanU} <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v1.AddArg(y) v2 := b.NewValue0(v.Pos, OpConst64, y.Type) v2.AuxInt = 63 v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v3.AddArg(y) v1.AddArg(v3) v.AddArg(v1) return true } } func rewriteValueARM64_OpRsh16x8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh16x8 x y) // cond: // result: (SRA (SignExt16to64 x) (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt8to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v2.AddArg(y) v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpConst64, y.Type) v3.AuxInt = 63 v1.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v1.AddArg(v4) v.AddArg(v1) return true } } func rewriteValueARM64_OpRsh32Ux16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh32Ux16 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt32to64 x) (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) v3 := b.NewValue0(v.Pos, OpConst64, t) v3.AuxInt = 0 v.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v.AddArg(v4) return true } } func rewriteValueARM64_OpRsh32Ux32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh32Ux32 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt32to64 x) (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) v3 := b.NewValue0(v.Pos, OpConst64, t) v3.AuxInt = 0 v.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v.AddArg(v4) return true } } func rewriteValueARM64_OpRsh32Ux64_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh32Ux64 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] y)) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v0.AddArg(y) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v3.AddArg(y) v.AddArg(v3) return true } } func rewriteValueARM64_OpRsh32Ux8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh32Ux8 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt32to64 x) (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) v3 := b.NewValue0(v.Pos, OpConst64, t) v3.AuxInt = 0 v.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v.AddArg(v4) return true } } func rewriteValueARM64_OpRsh32x16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh32x16 x y) // cond: // result: (SRA (SignExt32to64 x) (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt16to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v2.AddArg(y) v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpConst64, y.Type) v3.AuxInt = 63 v1.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v1.AddArg(v4) v.AddArg(v1) return true } } func rewriteValueARM64_OpRsh32x32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh32x32 x y) // cond: // result: (SRA (SignExt32to64 x) (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt32to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v2.AddArg(y) v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpConst64, y.Type) v3.AuxInt = 63 v1.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v1.AddArg(v4) v.AddArg(v1) return true } } func rewriteValueARM64_OpRsh32x64_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh32x64 x y) // cond: // result: (SRA (SignExt32to64 x) (CSEL {OpARM64LessThanU} <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v1.AddArg(y) v2 := b.NewValue0(v.Pos, OpConst64, y.Type) v2.AuxInt = 63 v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v3.AddArg(y) v1.AddArg(v3) v.AddArg(v1) return true } } func rewriteValueARM64_OpRsh32x8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh32x8 x y) // cond: // result: (SRA (SignExt32to64 x) (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt8to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v2.AddArg(y) v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpConst64, y.Type) v3.AuxInt = 63 v1.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v1.AddArg(v4) v.AddArg(v1) return true } } func rewriteValueARM64_OpRsh64Ux16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh64Ux16 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> x (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpRsh64Ux32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh64Ux32 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> x (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpRsh64Ux64_0(v *Value) bool { b := v.Block _ = b // match: (Rsh64Ux64 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] y)) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v0.AddArg(x) v0.AddArg(y) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpConst64, t) v1.AuxInt = 0 v.AddArg(v1) v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v2.AuxInt = 64 v2.AddArg(y) v.AddArg(v2) return true } } func rewriteValueARM64_OpRsh64Ux8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh64Ux8 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> x (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v0.AddArg(x) v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v.AddArg(v3) return true } } func rewriteValueARM64_OpRsh64x16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh64x16 x y) // cond: // result: (SRA x (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt16to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v0.Aux = OpARM64LessThanU v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpConst64, y.Type) v2.AuxInt = 63 v0.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v0.AddArg(v3) v.AddArg(v0) return true } } func rewriteValueARM64_OpRsh64x32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh64x32 x y) // cond: // result: (SRA x (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt32to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v0.Aux = OpARM64LessThanU v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpConst64, y.Type) v2.AuxInt = 63 v0.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v0.AddArg(v3) v.AddArg(v0) return true } } func rewriteValueARM64_OpRsh64x64_0(v *Value) bool { b := v.Block _ = b // match: (Rsh64x64 x y) // cond: // result: (SRA x (CSEL {OpARM64LessThanU} <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v0.Aux = OpARM64LessThanU v0.AddArg(y) v1 := b.NewValue0(v.Pos, OpConst64, y.Type) v1.AuxInt = 63 v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v2.AuxInt = 64 v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) return true } } func rewriteValueARM64_OpRsh64x8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh64x8 x y) // cond: // result: (SRA x (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt8to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v.AddArg(x) v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v0.Aux = OpARM64LessThanU v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v1.AddArg(y) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpConst64, y.Type) v2.AuxInt = 63 v0.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v4.AddArg(y) v3.AddArg(v4) v0.AddArg(v3) v.AddArg(v0) return true } } func rewriteValueARM64_OpRsh8Ux16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh8Ux16 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt8to64 x) (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) v3 := b.NewValue0(v.Pos, OpConst64, t) v3.AuxInt = 0 v.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v.AddArg(v4) return true } } func rewriteValueARM64_OpRsh8Ux32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh8Ux32 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt8to64 x) (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) v3 := b.NewValue0(v.Pos, OpConst64, t) v3.AuxInt = 0 v.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v.AddArg(v4) return true } } func rewriteValueARM64_OpRsh8Ux64_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh8Ux64 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] y)) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v0.AddArg(y) v.AddArg(v0) v2 := b.NewValue0(v.Pos, OpConst64, t) v2.AuxInt = 0 v.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v3.AddArg(y) v.AddArg(v3) return true } } func rewriteValueARM64_OpRsh8Ux8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh8Ux8 <t> x y) // cond: // result: (CSEL {OpARM64LessThanU} (SRL <t> (ZeroExt8to64 x) (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) for { t := v.Type _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64CSEL) v.Aux = OpARM64LessThanU v0 := b.NewValue0(v.Pos, OpARM64SRL, t) v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v1.AddArg(x) v0.AddArg(v1) v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v2.AddArg(y) v0.AddArg(v2) v.AddArg(v0) v3 := b.NewValue0(v.Pos, OpConst64, t) v3.AuxInt = 0 v.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v.AddArg(v4) return true } } func rewriteValueARM64_OpRsh8x16_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh8x16 x y) // cond: // result: (SRA (SignExt8to64 x) (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt16to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v2.AddArg(y) v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpConst64, y.Type) v3.AuxInt = 63 v1.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v1.AddArg(v4) v.AddArg(v1) return true } } func rewriteValueARM64_OpRsh8x32_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh8x32 x y) // cond: // result: (SRA (SignExt8to64 x) (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt32to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v2.AddArg(y) v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpConst64, y.Type) v3.AuxInt = 63 v1.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v1.AddArg(v4) v.AddArg(v1) return true } } func rewriteValueARM64_OpRsh8x64_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh8x64 x y) // cond: // result: (SRA (SignExt8to64 x) (CSEL {OpARM64LessThanU} <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v1.AddArg(y) v2 := b.NewValue0(v.Pos, OpConst64, y.Type) v2.AuxInt = 63 v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v3.AuxInt = 64 v3.AddArg(y) v1.AddArg(v3) v.AddArg(v1) return true } } func rewriteValueARM64_OpRsh8x8_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Rsh8x8 x y) // cond: // result: (SRA (SignExt8to64 x) (CSEL {OpARM64LessThanU} <y.Type> (ZeroExt8to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y)))) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SRA) v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64) v0.AddArg(x) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) v1.Aux = OpARM64LessThanU v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v2.AddArg(y) v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpConst64, y.Type) v3.AuxInt = 63 v1.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) v4.AuxInt = 64 v5 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) v5.AddArg(y) v4.AddArg(v5) v1.AddArg(v4) v.AddArg(v1) return true } } func rewriteValueARM64_OpSignExt16to32_0(v *Value) bool { // match: (SignExt16to32 x) // cond: // result: (MOVHreg x) for { x := v.Args[0] v.reset(OpARM64MOVHreg) v.AddArg(x) return true } } func rewriteValueARM64_OpSignExt16to64_0(v *Value) bool { // match: (SignExt16to64 x) // cond: // result: (MOVHreg x) for { x := v.Args[0] v.reset(OpARM64MOVHreg) v.AddArg(x) return true } } func rewriteValueARM64_OpSignExt32to64_0(v *Value) bool { // match: (SignExt32to64 x) // cond: // result: (MOVWreg x) for { x := v.Args[0] v.reset(OpARM64MOVWreg) v.AddArg(x) return true } } func rewriteValueARM64_OpSignExt8to16_0(v *Value) bool { // match: (SignExt8to16 x) // cond: // result: (MOVBreg x) for { x := v.Args[0] v.reset(OpARM64MOVBreg) v.AddArg(x) return true } } func rewriteValueARM64_OpSignExt8to32_0(v *Value) bool { // match: (SignExt8to32 x) // cond: // result: (MOVBreg x) for { x := v.Args[0] v.reset(OpARM64MOVBreg) v.AddArg(x) return true } } func rewriteValueARM64_OpSignExt8to64_0(v *Value) bool { // match: (SignExt8to64 x) // cond: // result: (MOVBreg x) for { x := v.Args[0] v.reset(OpARM64MOVBreg) v.AddArg(x) return true } } func rewriteValueARM64_OpSlicemask_0(v *Value) bool { b := v.Block _ = b // match: (Slicemask <t> x) // cond: // result: (SRAconst (NEG <t> x) [63]) for { t := v.Type x := v.Args[0] v.reset(OpARM64SRAconst) v.AuxInt = 63 v0 := b.NewValue0(v.Pos, OpARM64NEG, t) v0.AddArg(x) v.AddArg(v0) return true } } func rewriteValueARM64_OpSqrt_0(v *Value) bool { // match: (Sqrt x) // cond: // result: (FSQRTD x) for { x := v.Args[0] v.reset(OpARM64FSQRTD) v.AddArg(x) return true } } func rewriteValueARM64_OpStaticCall_0(v *Value) bool { // match: (StaticCall [argwid] {target} mem) // cond: // result: (CALLstatic [argwid] {target} mem) for { argwid := v.AuxInt target := v.Aux mem := v.Args[0] v.reset(OpARM64CALLstatic) v.AuxInt = argwid v.Aux = target v.AddArg(mem) return true } } func rewriteValueARM64_OpStore_0(v *Value) bool { // match: (Store {t} ptr val mem) // cond: t.(*types.Type).Size() == 1 // result: (MOVBstore ptr val mem) for { t := v.Aux _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] if !(t.(*types.Type).Size() == 1) { break } v.reset(OpARM64MOVBstore) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (Store {t} ptr val mem) // cond: t.(*types.Type).Size() == 2 // result: (MOVHstore ptr val mem) for { t := v.Aux _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] if !(t.(*types.Type).Size() == 2) { break } v.reset(OpARM64MOVHstore) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (Store {t} ptr val mem) // cond: t.(*types.Type).Size() == 4 && !is32BitFloat(val.Type) // result: (MOVWstore ptr val mem) for { t := v.Aux _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] if !(t.(*types.Type).Size() == 4 && !is32BitFloat(val.Type)) { break } v.reset(OpARM64MOVWstore) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (Store {t} ptr val mem) // cond: t.(*types.Type).Size() == 8 && !is64BitFloat(val.Type) // result: (MOVDstore ptr val mem) for { t := v.Aux _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] if !(t.(*types.Type).Size() == 8 && !is64BitFloat(val.Type)) { break } v.reset(OpARM64MOVDstore) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (Store {t} ptr val mem) // cond: t.(*types.Type).Size() == 4 && is32BitFloat(val.Type) // result: (FMOVSstore ptr val mem) for { t := v.Aux _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] if !(t.(*types.Type).Size() == 4 && is32BitFloat(val.Type)) { break } v.reset(OpARM64FMOVSstore) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } // match: (Store {t} ptr val mem) // cond: t.(*types.Type).Size() == 8 && is64BitFloat(val.Type) // result: (FMOVDstore ptr val mem) for { t := v.Aux _ = v.Args[2] ptr := v.Args[0] val := v.Args[1] mem := v.Args[2] if !(t.(*types.Type).Size() == 8 && is64BitFloat(val.Type)) { break } v.reset(OpARM64FMOVDstore) v.AddArg(ptr) v.AddArg(val) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpSub16_0(v *Value) bool { // match: (Sub16 x y) // cond: // result: (SUB x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SUB) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpSub32_0(v *Value) bool { // match: (Sub32 x y) // cond: // result: (SUB x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SUB) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpSub32F_0(v *Value) bool { // match: (Sub32F x y) // cond: // result: (FSUBS x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64FSUBS) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpSub64_0(v *Value) bool { // match: (Sub64 x y) // cond: // result: (SUB x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SUB) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpSub64F_0(v *Value) bool { // match: (Sub64F x y) // cond: // result: (FSUBD x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64FSUBD) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpSub8_0(v *Value) bool { // match: (Sub8 x y) // cond: // result: (SUB x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SUB) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpSubPtr_0(v *Value) bool { // match: (SubPtr x y) // cond: // result: (SUB x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64SUB) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpTrunc_0(v *Value) bool { // match: (Trunc x) // cond: // result: (FRINTZD x) for { x := v.Args[0] v.reset(OpARM64FRINTZD) v.AddArg(x) return true } } func rewriteValueARM64_OpTrunc16to8_0(v *Value) bool { // match: (Trunc16to8 x) // cond: // result: x for { x := v.Args[0] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } } func rewriteValueARM64_OpTrunc32to16_0(v *Value) bool { // match: (Trunc32to16 x) // cond: // result: x for { x := v.Args[0] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } } func rewriteValueARM64_OpTrunc32to8_0(v *Value) bool { // match: (Trunc32to8 x) // cond: // result: x for { x := v.Args[0] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } } func rewriteValueARM64_OpTrunc64to16_0(v *Value) bool { // match: (Trunc64to16 x) // cond: // result: x for { x := v.Args[0] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } } func rewriteValueARM64_OpTrunc64to32_0(v *Value) bool { // match: (Trunc64to32 x) // cond: // result: x for { x := v.Args[0] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } } func rewriteValueARM64_OpTrunc64to8_0(v *Value) bool { // match: (Trunc64to8 x) // cond: // result: x for { x := v.Args[0] v.reset(OpCopy) v.Type = x.Type v.AddArg(x) return true } } func rewriteValueARM64_OpWB_0(v *Value) bool { // match: (WB {fn} destptr srcptr mem) // cond: // result: (LoweredWB {fn} destptr srcptr mem) for { fn := v.Aux _ = v.Args[2] destptr := v.Args[0] srcptr := v.Args[1] mem := v.Args[2] v.reset(OpARM64LoweredWB) v.Aux = fn v.AddArg(destptr) v.AddArg(srcptr) v.AddArg(mem) return true } } func rewriteValueARM64_OpXor16_0(v *Value) bool { // match: (Xor16 x y) // cond: // result: (XOR x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64XOR) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpXor32_0(v *Value) bool { // match: (Xor32 x y) // cond: // result: (XOR x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64XOR) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpXor64_0(v *Value) bool { // match: (Xor64 x y) // cond: // result: (XOR x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64XOR) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpXor8_0(v *Value) bool { // match: (Xor8 x y) // cond: // result: (XOR x y) for { _ = v.Args[1] x := v.Args[0] y := v.Args[1] v.reset(OpARM64XOR) v.AddArg(x) v.AddArg(y) return true } } func rewriteValueARM64_OpZero_0(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Zero [0] _ mem) // cond: // result: mem for { if v.AuxInt != 0 { break } _ = v.Args[1] mem := v.Args[1] v.reset(OpCopy) v.Type = mem.Type v.AddArg(mem) return true } // match: (Zero [1] ptr mem) // cond: // result: (MOVBstore ptr (MOVDconst [0]) mem) for { if v.AuxInt != 1 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVBstore) v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v.AddArg(mem) return true } // match: (Zero [2] ptr mem) // cond: // result: (MOVHstore ptr (MOVDconst [0]) mem) for { if v.AuxInt != 2 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVHstore) v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v.AddArg(mem) return true } // match: (Zero [4] ptr mem) // cond: // result: (MOVWstore ptr (MOVDconst [0]) mem) for { if v.AuxInt != 4 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVWstore) v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v.AddArg(mem) return true } // match: (Zero [8] ptr mem) // cond: // result: (MOVDstore ptr (MOVDconst [0]) mem) for { if v.AuxInt != 8 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVDstore) v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v.AddArg(mem) return true } // match: (Zero [3] ptr mem) // cond: // result: (MOVBstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem)) for { if v.AuxInt != 3 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVBstore) v.AuxInt = 2 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) v1.AddArg(ptr) v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v2.AuxInt = 0 v1.AddArg(v2) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Zero [5] ptr mem) // cond: // result: (MOVBstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem)) for { if v.AuxInt != 5 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVBstore) v.AuxInt = 4 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) v1.AddArg(ptr) v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v2.AuxInt = 0 v1.AddArg(v2) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Zero [6] ptr mem) // cond: // result: (MOVHstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem)) for { if v.AuxInt != 6 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVHstore) v.AuxInt = 4 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) v1.AddArg(ptr) v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v2.AuxInt = 0 v1.AddArg(v2) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Zero [7] ptr mem) // cond: // result: (MOVBstore [6] ptr (MOVDconst [0]) (MOVHstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))) for { if v.AuxInt != 7 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVBstore) v.AuxInt = 6 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) v1.AuxInt = 4 v1.AddArg(ptr) v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v2.AuxInt = 0 v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) v3.AddArg(ptr) v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v4.AuxInt = 0 v3.AddArg(v4) v3.AddArg(mem) v1.AddArg(v3) v.AddArg(v1) return true } // match: (Zero [9] ptr mem) // cond: // result: (MOVBstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem)) for { if v.AuxInt != 9 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVBstore) v.AuxInt = 8 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) v1.AddArg(ptr) v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v2.AuxInt = 0 v1.AddArg(v2) v1.AddArg(mem) v.AddArg(v1) return true } return false } func rewriteValueARM64_OpZero_10(v *Value) bool { b := v.Block _ = b typ := &b.Func.Config.Types _ = typ // match: (Zero [10] ptr mem) // cond: // result: (MOVHstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem)) for { if v.AuxInt != 10 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVHstore) v.AuxInt = 8 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) v1.AddArg(ptr) v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v2.AuxInt = 0 v1.AddArg(v2) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Zero [11] ptr mem) // cond: // result: (MOVBstore [10] ptr (MOVDconst [0]) (MOVHstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))) for { if v.AuxInt != 11 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVBstore) v.AuxInt = 10 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) v1.AuxInt = 8 v1.AddArg(ptr) v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v2.AuxInt = 0 v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) v3.AddArg(ptr) v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v4.AuxInt = 0 v3.AddArg(v4) v3.AddArg(mem) v1.AddArg(v3) v.AddArg(v1) return true } // match: (Zero [12] ptr mem) // cond: // result: (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem)) for { if v.AuxInt != 12 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVWstore) v.AuxInt = 8 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) v1.AddArg(ptr) v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v2.AuxInt = 0 v1.AddArg(v2) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Zero [13] ptr mem) // cond: // result: (MOVBstore [12] ptr (MOVDconst [0]) (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))) for { if v.AuxInt != 13 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVBstore) v.AuxInt = 12 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) v1.AuxInt = 8 v1.AddArg(ptr) v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v2.AuxInt = 0 v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) v3.AddArg(ptr) v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v4.AuxInt = 0 v3.AddArg(v4) v3.AddArg(mem) v1.AddArg(v3) v.AddArg(v1) return true } // match: (Zero [14] ptr mem) // cond: // result: (MOVHstore [12] ptr (MOVDconst [0]) (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))) for { if v.AuxInt != 14 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVHstore) v.AuxInt = 12 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) v1.AuxInt = 8 v1.AddArg(ptr) v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v2.AuxInt = 0 v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) v3.AddArg(ptr) v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v4.AuxInt = 0 v3.AddArg(v4) v3.AddArg(mem) v1.AddArg(v3) v.AddArg(v1) return true } // match: (Zero [15] ptr mem) // cond: // result: (MOVBstore [14] ptr (MOVDconst [0]) (MOVHstore [12] ptr (MOVDconst [0]) (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem)))) for { if v.AuxInt != 15 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64MOVBstore) v.AuxInt = 14 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) v1.AuxInt = 12 v1.AddArg(ptr) v2 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v2.AuxInt = 0 v1.AddArg(v2) v3 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) v3.AuxInt = 8 v3.AddArg(ptr) v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v4.AuxInt = 0 v3.AddArg(v4) v5 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) v5.AddArg(ptr) v6 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v6.AuxInt = 0 v5.AddArg(v6) v5.AddArg(mem) v3.AddArg(v5) v1.AddArg(v3) v.AddArg(v1) return true } // match: (Zero [16] ptr mem) // cond: // result: (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem) for { if v.AuxInt != 16 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64STP) v.AuxInt = 0 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v1.AuxInt = 0 v.AddArg(v1) v.AddArg(mem) return true } // match: (Zero [32] ptr mem) // cond: // result: (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)) for { if v.AuxInt != 32 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64STP) v.AuxInt = 16 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v1.AuxInt = 0 v.AddArg(v1) v2 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) v2.AuxInt = 0 v2.AddArg(ptr) v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v3.AuxInt = 0 v2.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v4.AuxInt = 0 v2.AddArg(v4) v2.AddArg(mem) v.AddArg(v2) return true } // match: (Zero [48] ptr mem) // cond: // result: (STP [32] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem))) for { if v.AuxInt != 48 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64STP) v.AuxInt = 32 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v1.AuxInt = 0 v.AddArg(v1) v2 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) v2.AuxInt = 16 v2.AddArg(ptr) v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v3.AuxInt = 0 v2.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v4.AuxInt = 0 v2.AddArg(v4) v5 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) v5.AuxInt = 0 v5.AddArg(ptr) v6 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v6.AuxInt = 0 v5.AddArg(v6) v7 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v7.AuxInt = 0 v5.AddArg(v7) v5.AddArg(mem) v2.AddArg(v5) v.AddArg(v2) return true } // match: (Zero [64] ptr mem) // cond: // result: (STP [48] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [32] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)))) for { if v.AuxInt != 64 { break } _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] v.reset(OpARM64STP) v.AuxInt = 48 v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v0.AuxInt = 0 v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v1.AuxInt = 0 v.AddArg(v1) v2 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) v2.AuxInt = 32 v2.AddArg(ptr) v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v3.AuxInt = 0 v2.AddArg(v3) v4 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v4.AuxInt = 0 v2.AddArg(v4) v5 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) v5.AuxInt = 16 v5.AddArg(ptr) v6 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v6.AuxInt = 0 v5.AddArg(v6) v7 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v7.AuxInt = 0 v5.AddArg(v7) v8 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) v8.AuxInt = 0 v8.AddArg(ptr) v9 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v9.AuxInt = 0 v8.AddArg(v9) v10 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) v10.AuxInt = 0 v8.AddArg(v10) v8.AddArg(mem) v5.AddArg(v8) v2.AddArg(v5) v.AddArg(v2) return true } return false } func rewriteValueARM64_OpZero_20(v *Value) bool { b := v.Block _ = b config := b.Func.Config _ = config // match: (Zero [s] ptr mem) // cond: s%16 != 0 && s%16 <= 8 && s > 16 // result: (Zero [8] (OffPtr <ptr.Type> ptr [s-8]) (Zero [s-s%16] ptr mem)) for { s := v.AuxInt _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(s%16 != 0 && s%16 <= 8 && s > 16) { break } v.reset(OpZero) v.AuxInt = 8 v0 := b.NewValue0(v.Pos, OpOffPtr, ptr.Type) v0.AuxInt = s - 8 v0.AddArg(ptr) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpZero, types.TypeMem) v1.AuxInt = s - s%16 v1.AddArg(ptr) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Zero [s] ptr mem) // cond: s%16 != 0 && s%16 > 8 && s > 16 // result: (Zero [16] (OffPtr <ptr.Type> ptr [s-16]) (Zero [s-s%16] ptr mem)) for { s := v.AuxInt _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(s%16 != 0 && s%16 > 8 && s > 16) { break } v.reset(OpZero) v.AuxInt = 16 v0 := b.NewValue0(v.Pos, OpOffPtr, ptr.Type) v0.AuxInt = s - 16 v0.AddArg(ptr) v.AddArg(v0) v1 := b.NewValue0(v.Pos, OpZero, types.TypeMem) v1.AuxInt = s - s%16 v1.AddArg(ptr) v1.AddArg(mem) v.AddArg(v1) return true } // match: (Zero [s] ptr mem) // cond: s%16 == 0 && s > 64 && s <= 16*64 && !config.noDuffDevice // result: (DUFFZERO [4 * (64 - s/16)] ptr mem) for { s := v.AuxInt _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(s%16 == 0 && s > 64 && s <= 16*64 && !config.noDuffDevice) { break } v.reset(OpARM64DUFFZERO) v.AuxInt = 4 * (64 - s/16) v.AddArg(ptr) v.AddArg(mem) return true } // match: (Zero [s] ptr mem) // cond: s%16 == 0 && (s > 16*64 || config.noDuffDevice) // result: (LoweredZero ptr (ADDconst <ptr.Type> [s-16] ptr) mem) for { s := v.AuxInt _ = v.Args[1] ptr := v.Args[0] mem := v.Args[1] if !(s%16 == 0 && (s > 16*64 || config.noDuffDevice)) { break } v.reset(OpARM64LoweredZero) v.AddArg(ptr) v0 := b.NewValue0(v.Pos, OpARM64ADDconst, ptr.Type) v0.AuxInt = s - 16 v0.AddArg(ptr) v.AddArg(v0) v.AddArg(mem) return true } return false } func rewriteValueARM64_OpZeroExt16to32_0(v *Value) bool { // match: (ZeroExt16to32 x) // cond: // result: (MOVHUreg x) for { x := v.Args[0] v.reset(OpARM64MOVHUreg) v.AddArg(x) return true } } func rewriteValueARM64_OpZeroExt16to64_0(v *Value) bool { // match: (ZeroExt16to64 x) // cond: // result: (MOVHUreg x) for { x := v.Args[0] v.reset(OpARM64MOVHUreg) v.AddArg(x) return true } } func rewriteValueARM64_OpZeroExt32to64_0(v *Value) bool { // match: (ZeroExt32to64 x) // cond: // result: (MOVWUreg x) for { x := v.Args[0] v.reset(OpARM64MOVWUreg) v.AddArg(x) return true } } func rewriteValueARM64_OpZeroExt8to16_0(v *Value) bool { // match: (ZeroExt8to16 x) // cond: // result: (MOVBUreg x) for { x := v.Args[0] v.reset(OpARM64MOVBUreg) v.AddArg(x) return true } } func rewriteValueARM64_OpZeroExt8to32_0(v *Value) bool { // match: (ZeroExt8to32 x) // cond: // result: (MOVBUreg x) for { x := v.Args[0] v.reset(OpARM64MOVBUreg) v.AddArg(x) return true } } func rewriteValueARM64_OpZeroExt8to64_0(v *Value) bool { // match: (ZeroExt8to64 x) // cond: // result: (MOVBUreg x) for { x := v.Args[0] v.reset(OpARM64MOVBUreg) v.AddArg(x) return true } } func rewriteBlockARM64(b *Block) bool { config := b.Func.Config _ = config fe := b.Func.fe _ = fe typ := &config.Types _ = typ switch b.Kind { case BlockARM64EQ: // match: (EQ (CMPWconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (EQ (TSTWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (EQ (TST x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPWconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (EQ (TSTW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (EQ (TSTconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (EQ (CMNconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPWconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (EQ (CMNWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (EQ (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPWconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (EQ (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMP x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (EQ (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMP { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPW x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (EQ (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPW { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPconst [0] x) yes no) // cond: // result: (Z x yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] b.Kind = BlockARM64Z b.SetControl(x) b.Aux = nil return true } // match: (EQ (CMPWconst [0] x) yes no) // cond: // result: (ZW x yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] b.Kind = BlockARM64ZW b.SetControl(x) b.Aux = nil return true } // match: (EQ (CMPconst [0] z:(MADD a x y)) yes no) // cond: z.Uses==1 // result: (EQ (CMN a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADD { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPconst [0] z:(MSUB a x y)) yes no) // cond: z.Uses==1 // result: (EQ (CMP a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUB { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPWconst [0] z:(MADDW a x y)) yes no) // cond: z.Uses==1 // result: (EQ (CMNW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADDW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (CMPWconst [0] z:(MSUBW a x y)) yes no) // cond: z.Uses==1 // result: (EQ (CMPW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUBW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64EQ v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (EQ (TSTconst [c] x) yes no) // cond: oneBit(c) // result: (TBZ {ntz(c)} x yes no) for { v := b.Control if v.Op != OpARM64TSTconst { break } c := v.AuxInt x := v.Args[0] if !(oneBit(c)) { break } b.Kind = BlockARM64TBZ b.SetControl(x) b.Aux = ntz(c) return true } // match: (EQ (TSTWconst [c] x) yes no) // cond: oneBit(int64(uint32(c))) // result: (TBZ {ntz(int64(uint32(c)))} x yes no) for { v := b.Control if v.Op != OpARM64TSTWconst { break } c := v.AuxInt x := v.Args[0] if !(oneBit(int64(uint32(c)))) { break } b.Kind = BlockARM64TBZ b.SetControl(x) b.Aux = ntz(int64(uint32(c))) return true } // match: (EQ (FlagEQ) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagEQ { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (EQ (FlagLT_ULT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagLT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (EQ (FlagLT_UGT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagLT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (EQ (FlagGT_ULT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagGT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (EQ (FlagGT_UGT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagGT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (EQ (InvertFlags cmp) yes no) // cond: // result: (EQ cmp yes no) for { v := b.Control if v.Op != OpARM64InvertFlags { break } cmp := v.Args[0] b.Kind = BlockARM64EQ b.SetControl(cmp) b.Aux = nil return true } case BlockARM64GE: // match: (GE (CMPWconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (GE (TSTWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (GE (TST x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPWconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (GE (TSTW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (GE (TSTconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (GE (CMNconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPWconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (GE (CMNWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (GE (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPWconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (GE (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMP x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (GE (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMP { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPW x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (GE (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPW { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPconst [0] z:(MADD a x y)) yes no) // cond: z.Uses==1 // result: (GE (CMN a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADD { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPconst [0] z:(MSUB a x y)) yes no) // cond: z.Uses==1 // result: (GE (CMP a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUB { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPWconst [0] z:(MADDW a x y)) yes no) // cond: z.Uses==1 // result: (GE (CMNW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADDW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPWconst [0] z:(MSUBW a x y)) yes no) // cond: z.Uses==1 // result: (GE (CMPW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUBW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64GE v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (GE (CMPWconst [0] x) yes no) // cond: // result: (TBZ {int64(31)} x yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] b.Kind = BlockARM64TBZ b.SetControl(x) b.Aux = int64(31) return true } // match: (GE (CMPconst [0] x) yes no) // cond: // result: (TBZ {int64(63)} x yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] b.Kind = BlockARM64TBZ b.SetControl(x) b.Aux = int64(63) return true } // match: (GE (FlagEQ) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagEQ { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (GE (FlagLT_ULT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagLT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (GE (FlagLT_UGT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagLT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (GE (FlagGT_ULT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagGT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (GE (FlagGT_UGT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagGT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (GE (InvertFlags cmp) yes no) // cond: // result: (LE cmp yes no) for { v := b.Control if v.Op != OpARM64InvertFlags { break } cmp := v.Args[0] b.Kind = BlockARM64LE b.SetControl(cmp) b.Aux = nil return true } case BlockARM64GT: // match: (GT (CMPWconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (GT (TSTWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (GT (TST x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPWconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (GT (TSTW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (GT (TSTconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (GT (CMNconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPWconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (GT (CMNWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (GT (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPWconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (GT (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMP x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (GT (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMP { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPW x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (GT (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPW { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPconst [0] z:(MADD a x y)) yes no) // cond: z.Uses==1 // result: (GT (CMN a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADD { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPconst [0] z:(MSUB a x y)) yes no) // cond: z.Uses==1 // result: (GT (CMP a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUB { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPWconst [0] z:(MADDW a x y)) yes no) // cond: z.Uses==1 // result: (GT (CMNW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADDW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (GT (CMPWconst [0] z:(MSUBW a x y)) yes no) // cond: z.Uses==1 // result: (GT (CMPW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUBW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64GT v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (GT (FlagEQ) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagEQ { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (GT (FlagLT_ULT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagLT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (GT (FlagLT_UGT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagLT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (GT (FlagGT_ULT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagGT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (GT (FlagGT_UGT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagGT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (GT (InvertFlags cmp) yes no) // cond: // result: (LT cmp yes no) for { v := b.Control if v.Op != OpARM64InvertFlags { break } cmp := v.Args[0] b.Kind = BlockARM64LT b.SetControl(cmp) b.Aux = nil return true } case BlockIf: // match: (If (Equal cc) yes no) // cond: // result: (EQ cc yes no) for { v := b.Control if v.Op != OpARM64Equal { break } cc := v.Args[0] b.Kind = BlockARM64EQ b.SetControl(cc) b.Aux = nil return true } // match: (If (NotEqual cc) yes no) // cond: // result: (NE cc yes no) for { v := b.Control if v.Op != OpARM64NotEqual { break } cc := v.Args[0] b.Kind = BlockARM64NE b.SetControl(cc) b.Aux = nil return true } // match: (If (LessThan cc) yes no) // cond: // result: (LT cc yes no) for { v := b.Control if v.Op != OpARM64LessThan { break } cc := v.Args[0] b.Kind = BlockARM64LT b.SetControl(cc) b.Aux = nil return true } // match: (If (LessThanU cc) yes no) // cond: // result: (ULT cc yes no) for { v := b.Control if v.Op != OpARM64LessThanU { break } cc := v.Args[0] b.Kind = BlockARM64ULT b.SetControl(cc) b.Aux = nil return true } // match: (If (LessEqual cc) yes no) // cond: // result: (LE cc yes no) for { v := b.Control if v.Op != OpARM64LessEqual { break } cc := v.Args[0] b.Kind = BlockARM64LE b.SetControl(cc) b.Aux = nil return true } // match: (If (LessEqualU cc) yes no) // cond: // result: (ULE cc yes no) for { v := b.Control if v.Op != OpARM64LessEqualU { break } cc := v.Args[0] b.Kind = BlockARM64ULE b.SetControl(cc) b.Aux = nil return true } // match: (If (GreaterThan cc) yes no) // cond: // result: (GT cc yes no) for { v := b.Control if v.Op != OpARM64GreaterThan { break } cc := v.Args[0] b.Kind = BlockARM64GT b.SetControl(cc) b.Aux = nil return true } // match: (If (GreaterThanU cc) yes no) // cond: // result: (UGT cc yes no) for { v := b.Control if v.Op != OpARM64GreaterThanU { break } cc := v.Args[0] b.Kind = BlockARM64UGT b.SetControl(cc) b.Aux = nil return true } // match: (If (GreaterEqual cc) yes no) // cond: // result: (GE cc yes no) for { v := b.Control if v.Op != OpARM64GreaterEqual { break } cc := v.Args[0] b.Kind = BlockARM64GE b.SetControl(cc) b.Aux = nil return true } // match: (If (GreaterEqualU cc) yes no) // cond: // result: (UGE cc yes no) for { v := b.Control if v.Op != OpARM64GreaterEqualU { break } cc := v.Args[0] b.Kind = BlockARM64UGE b.SetControl(cc) b.Aux = nil return true } // match: (If cond yes no) // cond: // result: (NZ cond yes no) for { v := b.Control _ = v cond := b.Control b.Kind = BlockARM64NZ b.SetControl(cond) b.Aux = nil return true } case BlockARM64LE: // match: (LE (CMPWconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (LE (TSTWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (LE (TST x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPWconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (LE (TSTW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (LE (TSTconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (LE (CMNconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPWconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (LE (CMNWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (LE (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPWconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (LE (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMP x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (LE (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMP { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPW x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (LE (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPW { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPconst [0] z:(MADD a x y)) yes no) // cond: z.Uses==1 // result: (LE (CMN a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADD { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPconst [0] z:(MSUB a x y)) yes no) // cond: z.Uses==1 // result: (LE (CMP a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUB { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPWconst [0] z:(MADDW a x y)) yes no) // cond: z.Uses==1 // result: (LE (CMNW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADDW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (LE (CMPWconst [0] z:(MSUBW a x y)) yes no) // cond: z.Uses==1 // result: (LE (CMPW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUBW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64LE v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (LE (FlagEQ) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagEQ { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (LE (FlagLT_ULT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagLT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (LE (FlagLT_UGT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagLT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (LE (FlagGT_ULT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagGT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (LE (FlagGT_UGT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagGT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (LE (InvertFlags cmp) yes no) // cond: // result: (GE cmp yes no) for { v := b.Control if v.Op != OpARM64InvertFlags { break } cmp := v.Args[0] b.Kind = BlockARM64GE b.SetControl(cmp) b.Aux = nil return true } case BlockARM64LT: // match: (LT (CMPWconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (LT (TSTWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (LT (TST x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPWconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (LT (TSTW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (LT (TSTconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (LT (CMNconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPWconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (LT (CMNWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (LT (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPWconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (LT (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMP x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (LT (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMP { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPW x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (LT (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPW { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPconst [0] z:(MADD a x y)) yes no) // cond: z.Uses==1 // result: (LT (CMN a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADD { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPconst [0] z:(MSUB a x y)) yes no) // cond: z.Uses==1 // result: (LT (CMP a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUB { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPWconst [0] z:(MADDW a x y)) yes no) // cond: z.Uses==1 // result: (LT (CMNW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADDW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPWconst [0] z:(MSUBW a x y)) yes no) // cond: z.Uses==1 // result: (LT (CMPW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUBW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64LT v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (LT (CMPWconst [0] x) yes no) // cond: // result: (TBNZ {int64(31)} x yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] b.Kind = BlockARM64TBNZ b.SetControl(x) b.Aux = int64(31) return true } // match: (LT (CMPconst [0] x) yes no) // cond: // result: (TBNZ {int64(63)} x yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] b.Kind = BlockARM64TBNZ b.SetControl(x) b.Aux = int64(63) return true } // match: (LT (FlagEQ) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagEQ { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (LT (FlagLT_ULT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagLT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (LT (FlagLT_UGT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagLT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (LT (FlagGT_ULT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagGT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (LT (FlagGT_UGT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagGT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (LT (InvertFlags cmp) yes no) // cond: // result: (GT cmp yes no) for { v := b.Control if v.Op != OpARM64InvertFlags { break } cmp := v.Args[0] b.Kind = BlockARM64GT b.SetControl(cmp) b.Aux = nil return true } case BlockARM64NE: // match: (NE (CMPWconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (NE (TSTWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (NE (TST x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPWconst [0] z:(AND x y)) yes no) // cond: z.Uses == 1 // result: (NE (TSTW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64AND { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPconst [0] x:(ANDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (NE (TSTconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ANDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (NE (CMNconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPWconst [0] x:(ADDconst [c] y)) yes no) // cond: x.Uses == 1 // result: (NE (CMNWconst [c] y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] if x.Op != OpARM64ADDconst { break } c := x.AuxInt y := x.Args[0] if !(x.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags) v0.AuxInt = c v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (NE (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPWconst [0] z:(ADD x y)) yes no) // cond: z.Uses == 1 // result: (NE (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64ADD { break } _ = z.Args[1] x := z.Args[0] y := z.Args[1] if !(z.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMP x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (NE (CMN x y) yes no) for { v := b.Control if v.Op != OpARM64CMP { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPW x z:(NEG y)) yes no) // cond: z.Uses == 1 // result: (NE (CMNW x y) yes no) for { v := b.Control if v.Op != OpARM64CMPW { break } _ = v.Args[1] x := v.Args[0] z := v.Args[1] if z.Op != OpARM64NEG { break } y := z.Args[0] if !(z.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(x) v0.AddArg(y) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPconst [0] x) yes no) // cond: // result: (NZ x yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } x := v.Args[0] b.Kind = BlockARM64NZ b.SetControl(x) b.Aux = nil return true } // match: (NE (CMPWconst [0] x) yes no) // cond: // result: (NZW x yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } x := v.Args[0] b.Kind = BlockARM64NZW b.SetControl(x) b.Aux = nil return true } // match: (NE (CMPconst [0] z:(MADD a x y)) yes no) // cond: z.Uses==1 // result: (NE (CMN a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADD { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPconst [0] z:(MSUB a x y)) yes no) // cond: z.Uses==1 // result: (NE (CMP a (MUL <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUB { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPWconst [0] z:(MADDW a x y)) yes no) // cond: z.Uses==1 // result: (NE (CMNW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MADDW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (NE (CMPWconst [0] z:(MSUBW a x y)) yes no) // cond: z.Uses==1 // result: (NE (CMPW a (MULW <x.Type> x y)) yes no) for { v := b.Control if v.Op != OpARM64CMPWconst { break } if v.AuxInt != 0 { break } z := v.Args[0] if z.Op != OpARM64MSUBW { break } _ = z.Args[2] a := z.Args[0] x := z.Args[1] y := z.Args[2] if !(z.Uses == 1) { break } b.Kind = BlockARM64NE v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) v0.AddArg(a) v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) v1.AddArg(x) v1.AddArg(y) v0.AddArg(v1) b.SetControl(v0) b.Aux = nil return true } // match: (NE (TSTconst [c] x) yes no) // cond: oneBit(c) // result: (TBNZ {ntz(c)} x yes no) for { v := b.Control if v.Op != OpARM64TSTconst { break } c := v.AuxInt x := v.Args[0] if !(oneBit(c)) { break } b.Kind = BlockARM64TBNZ b.SetControl(x) b.Aux = ntz(c) return true } // match: (NE (TSTWconst [c] x) yes no) // cond: oneBit(int64(uint32(c))) // result: (TBNZ {ntz(int64(uint32(c)))} x yes no) for { v := b.Control if v.Op != OpARM64TSTWconst { break } c := v.AuxInt x := v.Args[0] if !(oneBit(int64(uint32(c)))) { break } b.Kind = BlockARM64TBNZ b.SetControl(x) b.Aux = ntz(int64(uint32(c))) return true } // match: (NE (FlagEQ) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagEQ { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (NE (FlagLT_ULT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagLT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (NE (FlagLT_UGT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagLT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (NE (FlagGT_ULT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagGT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (NE (FlagGT_UGT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagGT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (NE (InvertFlags cmp) yes no) // cond: // result: (NE cmp yes no) for { v := b.Control if v.Op != OpARM64InvertFlags { break } cmp := v.Args[0] b.Kind = BlockARM64NE b.SetControl(cmp) b.Aux = nil return true } case BlockARM64NZ: // match: (NZ (Equal cc) yes no) // cond: // result: (EQ cc yes no) for { v := b.Control if v.Op != OpARM64Equal { break } cc := v.Args[0] b.Kind = BlockARM64EQ b.SetControl(cc) b.Aux = nil return true } // match: (NZ (NotEqual cc) yes no) // cond: // result: (NE cc yes no) for { v := b.Control if v.Op != OpARM64NotEqual { break } cc := v.Args[0] b.Kind = BlockARM64NE b.SetControl(cc) b.Aux = nil return true } // match: (NZ (LessThan cc) yes no) // cond: // result: (LT cc yes no) for { v := b.Control if v.Op != OpARM64LessThan { break } cc := v.Args[0] b.Kind = BlockARM64LT b.SetControl(cc) b.Aux = nil return true } // match: (NZ (LessThanU cc) yes no) // cond: // result: (ULT cc yes no) for { v := b.Control if v.Op != OpARM64LessThanU { break } cc := v.Args[0] b.Kind = BlockARM64ULT b.SetControl(cc) b.Aux = nil return true } // match: (NZ (LessEqual cc) yes no) // cond: // result: (LE cc yes no) for { v := b.Control if v.Op != OpARM64LessEqual { break } cc := v.Args[0] b.Kind = BlockARM64LE b.SetControl(cc) b.Aux = nil return true } // match: (NZ (LessEqualU cc) yes no) // cond: // result: (ULE cc yes no) for { v := b.Control if v.Op != OpARM64LessEqualU { break } cc := v.Args[0] b.Kind = BlockARM64ULE b.SetControl(cc) b.Aux = nil return true } // match: (NZ (GreaterThan cc) yes no) // cond: // result: (GT cc yes no) for { v := b.Control if v.Op != OpARM64GreaterThan { break } cc := v.Args[0] b.Kind = BlockARM64GT b.SetControl(cc) b.Aux = nil return true } // match: (NZ (GreaterThanU cc) yes no) // cond: // result: (UGT cc yes no) for { v := b.Control if v.Op != OpARM64GreaterThanU { break } cc := v.Args[0] b.Kind = BlockARM64UGT b.SetControl(cc) b.Aux = nil return true } // match: (NZ (GreaterEqual cc) yes no) // cond: // result: (GE cc yes no) for { v := b.Control if v.Op != OpARM64GreaterEqual { break } cc := v.Args[0] b.Kind = BlockARM64GE b.SetControl(cc) b.Aux = nil return true } // match: (NZ (GreaterEqualU cc) yes no) // cond: // result: (UGE cc yes no) for { v := b.Control if v.Op != OpARM64GreaterEqualU { break } cc := v.Args[0] b.Kind = BlockARM64UGE b.SetControl(cc) b.Aux = nil return true } // match: (NZ (ANDconst [c] x) yes no) // cond: oneBit(c) // result: (TBNZ {ntz(c)} x yes no) for { v := b.Control if v.Op != OpARM64ANDconst { break } c := v.AuxInt x := v.Args[0] if !(oneBit(c)) { break } b.Kind = BlockARM64TBNZ b.SetControl(x) b.Aux = ntz(c) return true } // match: (NZ (MOVDconst [0]) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64MOVDconst { break } if v.AuxInt != 0 { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (NZ (MOVDconst [c]) yes no) // cond: c != 0 // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64MOVDconst { break } c := v.AuxInt if !(c != 0) { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } case BlockARM64NZW: // match: (NZW (ANDconst [c] x) yes no) // cond: oneBit(int64(uint32(c))) // result: (TBNZ {ntz(int64(uint32(c)))} x yes no) for { v := b.Control if v.Op != OpARM64ANDconst { break } c := v.AuxInt x := v.Args[0] if !(oneBit(int64(uint32(c)))) { break } b.Kind = BlockARM64TBNZ b.SetControl(x) b.Aux = ntz(int64(uint32(c))) return true } // match: (NZW (MOVDconst [c]) yes no) // cond: int32(c) == 0 // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64MOVDconst { break } c := v.AuxInt if !(int32(c) == 0) { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (NZW (MOVDconst [c]) yes no) // cond: int32(c) != 0 // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64MOVDconst { break } c := v.AuxInt if !(int32(c) != 0) { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } case BlockARM64UGE: // match: (UGE (FlagEQ) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagEQ { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (UGE (FlagLT_ULT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagLT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (UGE (FlagLT_UGT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagLT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (UGE (FlagGT_ULT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagGT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (UGE (FlagGT_UGT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagGT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (UGE (InvertFlags cmp) yes no) // cond: // result: (ULE cmp yes no) for { v := b.Control if v.Op != OpARM64InvertFlags { break } cmp := v.Args[0] b.Kind = BlockARM64ULE b.SetControl(cmp) b.Aux = nil return true } case BlockARM64UGT: // match: (UGT (FlagEQ) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagEQ { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (UGT (FlagLT_ULT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagLT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (UGT (FlagLT_UGT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagLT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (UGT (FlagGT_ULT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagGT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (UGT (FlagGT_UGT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagGT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (UGT (InvertFlags cmp) yes no) // cond: // result: (ULT cmp yes no) for { v := b.Control if v.Op != OpARM64InvertFlags { break } cmp := v.Args[0] b.Kind = BlockARM64ULT b.SetControl(cmp) b.Aux = nil return true } case BlockARM64ULE: // match: (ULE (FlagEQ) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagEQ { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (ULE (FlagLT_ULT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagLT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (ULE (FlagLT_UGT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagLT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (ULE (FlagGT_ULT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagGT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (ULE (FlagGT_UGT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagGT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (ULE (InvertFlags cmp) yes no) // cond: // result: (UGE cmp yes no) for { v := b.Control if v.Op != OpARM64InvertFlags { break } cmp := v.Args[0] b.Kind = BlockARM64UGE b.SetControl(cmp) b.Aux = nil return true } case BlockARM64ULT: // match: (ULT (FlagEQ) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagEQ { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (ULT (FlagLT_ULT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagLT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (ULT (FlagLT_UGT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagLT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (ULT (FlagGT_ULT) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64FlagGT_ULT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (ULT (FlagGT_UGT) yes no) // cond: // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64FlagGT_UGT { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } // match: (ULT (InvertFlags cmp) yes no) // cond: // result: (UGT cmp yes no) for { v := b.Control if v.Op != OpARM64InvertFlags { break } cmp := v.Args[0] b.Kind = BlockARM64UGT b.SetControl(cmp) b.Aux = nil return true } case BlockARM64Z: // match: (Z (ANDconst [c] x) yes no) // cond: oneBit(c) // result: (TBZ {ntz(c)} x yes no) for { v := b.Control if v.Op != OpARM64ANDconst { break } c := v.AuxInt x := v.Args[0] if !(oneBit(c)) { break } b.Kind = BlockARM64TBZ b.SetControl(x) b.Aux = ntz(c) return true } // match: (Z (MOVDconst [0]) yes no) // cond: // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64MOVDconst { break } if v.AuxInt != 0 { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (Z (MOVDconst [c]) yes no) // cond: c != 0 // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64MOVDconst { break } c := v.AuxInt if !(c != 0) { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } case BlockARM64ZW: // match: (ZW (ANDconst [c] x) yes no) // cond: oneBit(int64(uint32(c))) // result: (TBZ {ntz(int64(uint32(c)))} x yes no) for { v := b.Control if v.Op != OpARM64ANDconst { break } c := v.AuxInt x := v.Args[0] if !(oneBit(int64(uint32(c)))) { break } b.Kind = BlockARM64TBZ b.SetControl(x) b.Aux = ntz(int64(uint32(c))) return true } // match: (ZW (MOVDconst [c]) yes no) // cond: int32(c) == 0 // result: (First nil yes no) for { v := b.Control if v.Op != OpARM64MOVDconst { break } c := v.AuxInt if !(int32(c) == 0) { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil return true } // match: (ZW (MOVDconst [c]) yes no) // cond: int32(c) != 0 // result: (First nil no yes) for { v := b.Control if v.Op != OpARM64MOVDconst { break } c := v.AuxInt if !(int32(c) != 0) { break } b.Kind = BlockFirst b.SetControl(nil) b.Aux = nil b.swapSuccessors() return true } } return false }