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Commit 659dd4f1 authored by Cherry Zhang's avatar Cherry Zhang
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cmd/compile: add more ARM64 optimizations 

- Use machine instructions for uint64<->float conversions
- Do not enforce alignment on Zero/Move
	ARM64 supports unaligned load/stores, but only aligned offset
	or small offset can be encoded into instructions.
- Do combined loads

Change-Id: Iffca7dd0f13070b17b784861ce5a30af584680eb
Reviewed-on: https://go-review.googlesource.com/27086Reviewed-by: default avatarDavid Chase <drchase@google.com>
parent cda633b3
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Showing with 2167 additions and 961 deletions
src/cmd/compile/internal/arm64/prog.go
View file @ 659dd4f1
......@@ -75,6 +75,9 @@ var progtable = [arm64.ALAST & obj.AMask]obj.ProgInfo{
arm64.AADDS & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite | gc.SetCarry},
arm64.ACSET & obj.AMask: {Flags: gc.SizeQ | gc.RightWrite},
arm64.ACSEL & obj.AMask: {Flags: gc.SizeQ | gc.RegRead | gc.RightWrite},
arm64.AREV & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite},
arm64.AREVW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite},
arm64.AREV16W & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite},
// Floating point.
arm64.AFADDD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RegRead | gc.RightWrite},
......
src/cmd/compile/internal/arm64/ssa.go
View file @ 659dd4f1
......@@ -482,7 +482,10 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
ssa.OpARM64UCVTFS,
ssa.OpARM64UCVTFD,
ssa.OpARM64FCVTSD,
ssa.OpARM64FCVTDS:
ssa.OpARM64FCVTDS,
ssa.OpARM64REV,
ssa.OpARM64REVW,
ssa.OpARM64REV16W:
p := gc.Prog(v.Op.Asm())
p.From.Type = obj.TYPE_REG
p.From.Reg = gc.SSARegNum(v.Args[0])
......@@ -519,30 +522,13 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
// CMP Rarg1, R16
// BLE -2(PC)
// arg1 is the address of the last element to zero
// auxint is alignment
var sz int64
var mov obj.As
switch {
case v.AuxInt%8 == 0:
sz = 8
mov = arm64.AMOVD
case v.AuxInt%4 == 0:
sz = 4
mov = arm64.AMOVW
case v.AuxInt%2 == 0:
sz = 2
mov = arm64.AMOVH
default:
sz = 1
mov = arm64.AMOVB
}
p := gc.Prog(mov)
p := gc.Prog(arm64.AMOVD)
p.Scond = arm64.C_XPOST
p.From.Type = obj.TYPE_REG
p.From.Reg = arm64.REGZERO
p.To.Type = obj.TYPE_MEM
p.To.Reg = arm64.REG_R16
p.To.Offset = sz
p.To.Offset = 8
p2 := gc.Prog(arm64.ACMP)
p2.From.Type = obj.TYPE_REG
p2.From.Reg = gc.SSARegNum(v.Args[1])
......@@ -556,37 +542,20 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
// CMP Rarg2, R16
// BLE -3(PC)
// arg2 is the address of the last element of src
// auxint is alignment
var sz int64
var mov obj.As
switch {
case v.AuxInt%8 == 0:
sz = 8
mov = arm64.AMOVD
case v.AuxInt%4 == 0:
sz = 4
mov = arm64.AMOVW
case v.AuxInt%2 == 0:
sz = 2
mov = arm64.AMOVH
default:
sz = 1
mov = arm64.AMOVB
}
p := gc.Prog(mov)
p := gc.Prog(arm64.AMOVD)
p.Scond = arm64.C_XPOST
p.From.Type = obj.TYPE_MEM
p.From.Reg = arm64.REG_R16
p.From.Offset = sz
p.From.Offset = 8
p.To.Type = obj.TYPE_REG
p.To.Reg = arm64.REGTMP
p2 := gc.Prog(mov)
p2 := gc.Prog(arm64.AMOVD)
p2.Scond = arm64.C_XPOST
p2.From.Type = obj.TYPE_REG
p2.From.Reg = arm64.REGTMP
p2.To.Type = obj.TYPE_MEM
p2.To.Reg = arm64.REG_R17
p2.To.Offset = sz
p2.To.Offset = 8
p3 := gc.Prog(arm64.ACMP)
p3.From.Type = obj.TYPE_REG
p3.From.Reg = gc.SSARegNum(v.Args[2])
......
src/cmd/compile/internal/gc/ssa.go
View file @ 659dd4f1
......@@ -1344,6 +1344,14 @@ var fpConvOpToSSA32 = map[twoTypes]twoOpsAndType{
twoTypes{TFLOAT64, TUINT32}: twoOpsAndType{ssa.OpCvt64Fto32U, ssa.OpCopy, TUINT32},
}
// uint64<->float conversions, only on machines that have intructions for that
var uint64fpConvOpToSSA = map[twoTypes]twoOpsAndType{
twoTypes{TUINT64, TFLOAT32}: twoOpsAndType{ssa.OpCopy, ssa.OpCvt64Uto32F, TUINT64},
twoTypes{TUINT64, TFLOAT64}: twoOpsAndType{ssa.OpCopy, ssa.OpCvt64Uto64F, TUINT64},
twoTypes{TFLOAT32, TUINT64}: twoOpsAndType{ssa.OpCvt32Fto64U, ssa.OpCopy, TUINT64},
twoTypes{TFLOAT64, TUINT64}: twoOpsAndType{ssa.OpCvt64Fto64U, ssa.OpCopy, TUINT64},
}
var shiftOpToSSA = map[opAndTwoTypes]ssa.Op{
opAndTwoTypes{OLSH, TINT8, TUINT8}: ssa.OpLsh8x8,
opAndTwoTypes{OLSH, TUINT8, TUINT8}: ssa.OpLsh8x8,
......@@ -1665,6 +1673,11 @@ func (s *state) expr(n *Node) *ssa.Value {
conv = conv1
}
}
if Thearch.LinkArch.Name == "arm64" {
if conv1, ok1 := uint64fpConvOpToSSA[twoTypes{s.concreteEtype(ft), s.concreteEtype(tt)}]; ok1 {
conv = conv1
}
}
if !ok {
s.Fatalf("weird float conversion %s -> %s", ft, tt)
}
......
src/cmd/compile/internal/ssa/gen/ARM64.rules
View file @ 659dd4f1
......@@ -232,16 +232,16 @@
(Cvt64to64F x) -> (SCVTFD x)
(Cvt32Uto32F x) -> (UCVTFWS x)
(Cvt32Uto64F x) -> (UCVTFWD x)
//(Cvt64Uto32F x) -> (UCVTFS x)
//(Cvt64Uto64F x) -> (UCVTFD x)
(Cvt64Uto32F x) -> (UCVTFS x)
(Cvt64Uto64F x) -> (UCVTFD x)
(Cvt32Fto32 x) -> (FCVTZSSW x)
(Cvt64Fto32 x) -> (FCVTZSDW x)
(Cvt32Fto64 x) -> (FCVTZSS x)
(Cvt64Fto64 x) -> (FCVTZSD x)
(Cvt32Fto32U x) -> (FCVTZUSW x)
(Cvt64Fto32U x) -> (FCVTZUDW x)
//(Cvt32Fto64U x) -> (FCVTZUS x)
//(Cvt64Fto64U x) -> (FCVTZUD x)
(Cvt32Fto64U x) -> (FCVTZUS x)
(Cvt64Fto64U x) -> (FCVTZUD x)
(Cvt32Fto64F x) -> (FCVTSD x)
(Cvt64Fto32F x) -> (FCVTDS x)
......@@ -338,63 +338,51 @@
// zeroing
(Zero [s] _ mem) && SizeAndAlign(s).Size() == 0 -> mem
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 1 -> (MOVBstore ptr (MOVDconst [0]) mem)
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 2 && SizeAndAlign(s).Align()%2 == 0 ->
(MOVHstore ptr (MOVDconst [0]) mem)
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 2 ->
(MOVBstore [1] ptr (MOVDconst [0])
(MOVBstore ptr (MOVDconst [0]) mem))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%4 == 0 ->
(MOVWstore ptr (MOVDconst [0]) mem)
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%2 == 0 ->
(MOVHstore [2] ptr (MOVDconst [0])
(MOVHstore ptr (MOVDconst [0]) mem))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 4 ->
(MOVBstore [3] ptr (MOVDconst [0])
(MOVBstore [2] ptr (MOVDconst [0])
(MOVBstore [1] ptr (MOVDconst [0])
(MOVBstore ptr (MOVDconst [0]) mem))))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%8 == 0 ->
(MOVDstore ptr (MOVDconst [0]) mem)
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%4 == 0 ->
(MOVWstore [4] ptr (MOVDconst [0])
(MOVWstore ptr (MOVDconst [0]) mem))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%2 == 0 ->
(MOVHstore [6] ptr (MOVDconst [0])
(MOVHstore [4] ptr (MOVDconst [0])
(MOVHstore [2] ptr (MOVDconst [0])
(MOVHstore ptr (MOVDconst [0]) mem))))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 2 -> (MOVHstore ptr (MOVDconst [0]) mem)
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 4 -> (MOVWstore ptr (MOVDconst [0]) mem)
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 8 -> (MOVDstore ptr (MOVDconst [0]) mem)
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 3 ->
(MOVBstore [2] ptr (MOVDconst [0])
(MOVBstore [1] ptr (MOVDconst [0])
(MOVBstore ptr (MOVDconst [0]) mem)))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 6 && SizeAndAlign(s).Align()%2 == 0 ->
(MOVHstore ptr (MOVDconst [0]) mem))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 5 ->
(MOVBstore [4] ptr (MOVDconst [0])
(MOVWstore ptr (MOVDconst [0]) mem))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 6 ->
(MOVHstore [4] ptr (MOVDconst [0])
(MOVWstore ptr (MOVDconst [0]) mem))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 7 ->
(MOVBstore [6] ptr (MOVDconst [0])
(MOVHstore [4] ptr (MOVDconst [0])
(MOVHstore [2] ptr (MOVDconst [0])
(MOVHstore ptr (MOVDconst [0]) mem)))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 12 && SizeAndAlign(s).Align()%4 == 0 ->
(MOVWstore [8] ptr (MOVDconst [0])
(MOVWstore [4] ptr (MOVDconst [0])
(MOVWstore ptr (MOVDconst [0]) mem)))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 16 && SizeAndAlign(s).Align()%8 == 0 ->
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 12 ->
(MOVWstore [8] ptr (MOVDconst [0])
(MOVDstore ptr (MOVDconst [0]) mem))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 16 ->
(MOVDstore [8] ptr (MOVDconst [0])
(MOVDstore ptr (MOVDconst [0]) mem))
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 24 && SizeAndAlign(s).Align()%8 == 0 ->
(Zero [s] ptr mem) && SizeAndAlign(s).Size() == 24 ->
(MOVDstore [16] ptr (MOVDconst [0])
(MOVDstore [8] ptr (MOVDconst [0])
(MOVDstore ptr (MOVDconst [0]) mem)))
// strip off fractional word zeroing
(Zero [s] ptr mem) && SizeAndAlign(s).Size()%8 != 0 && SizeAndAlign(s).Size() > 8 ->
(Zero [MakeSizeAndAlign(SizeAndAlign(s).Size()%8, 1).Int64()]
(OffPtr <ptr.Type> ptr [SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8])
(Zero [MakeSizeAndAlign(SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8, 1).Int64()] ptr mem))
// medium zeroing uses a duff device
// 4, 8, and 128 are magic constants, see runtime/mkduff.go
(Zero [s] ptr mem)
&& SizeAndAlign(s).Size()%8 == 0 && SizeAndAlign(s).Size() > 24 && SizeAndAlign(s).Size() <= 8*128
&& SizeAndAlign(s).Align()%8 == 0 && !config.noDuffDevice ->
&& !config.noDuffDevice ->
(DUFFZERO [4 * (128 - int64(SizeAndAlign(s).Size()/8))] ptr mem)
// large or unaligned zeroing uses a loop
// large zeroing uses a loop
(Zero [s] ptr mem)
&& (SizeAndAlign(s).Size() > 8*128 || config.noDuffDevice) || SizeAndAlign(s).Align()%8 != 0 ->
(LoweredZero [SizeAndAlign(s).Align()]
&& SizeAndAlign(s).Size()%8 == 0 && (SizeAndAlign(s).Size() > 8*128 || config.noDuffDevice) ->
(LoweredZero
ptr
(ADDconst <ptr.Type> [SizeAndAlign(s).Size()-moveSize(SizeAndAlign(s).Align(), config)] ptr)
mem)
......@@ -402,57 +390,46 @@
// moves
(Move [s] _ _ mem) && SizeAndAlign(s).Size() == 0 -> mem
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 1 -> (MOVBstore dst (MOVBUload src mem) mem)
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 2 && SizeAndAlign(s).Align()%2 == 0 ->
(MOVHstore dst (MOVHUload src mem) mem)
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 2 ->
(MOVBstore [1] dst (MOVBUload [1] src mem)
(MOVBstore dst (MOVBUload src mem) mem))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%4 == 0 ->
(MOVWstore dst (MOVWUload src mem) mem)
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%2 == 0 ->
(MOVHstore [2] dst (MOVHUload [2] src mem)
(MOVHstore dst (MOVHUload src mem) mem))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 4 ->
(MOVBstore [3] dst (MOVBUload [3] src mem)
(MOVBstore [2] dst (MOVBUload [2] src mem)
(MOVBstore [1] dst (MOVBUload [1] src mem)
(MOVBstore dst (MOVBUload src mem) mem))))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%8 == 0 ->
(MOVDstore dst (MOVDload src mem) mem)
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%4 == 0 ->
(MOVWstore [4] dst (MOVWUload [4] src mem)
(MOVWstore dst (MOVWUload src mem) mem))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%2 == 0 ->
(MOVHstore [6] dst (MOVHUload [6] src mem)
(MOVHstore [4] dst (MOVHUload [4] src mem)
(MOVHstore [2] dst (MOVHUload [2] src mem)
(MOVHstore dst (MOVHUload src mem) mem))))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 2 -> (MOVHstore dst (MOVHUload src mem) mem)
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 4 -> (MOVWstore dst (MOVWUload src mem) mem)
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 8 -> (MOVDstore dst (MOVDload src mem) mem)
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 3 ->
(MOVBstore [2] dst (MOVBUload [2] src mem)
(MOVBstore [1] dst (MOVBUload [1] src mem)
(MOVBstore dst (MOVBUload src mem) mem)))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 6 && SizeAndAlign(s).Align()%2 == 0 ->
(MOVHstore dst (MOVHUload src mem) mem))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 5 ->
(MOVBstore [4] dst (MOVBUload [4] src mem)
(MOVWstore dst (MOVWUload src mem) mem))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 6 ->
(MOVHstore [4] dst (MOVHUload [4] src mem)
(MOVWstore dst (MOVWUload src mem) mem))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 7 ->
(MOVBstore [6] dst (MOVBUload [6] src mem)
(MOVHstore [4] dst (MOVHUload [4] src mem)
(MOVHstore [2] dst (MOVHUload [2] src mem)
(MOVHstore dst (MOVHUload src mem) mem)))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 12 && SizeAndAlign(s).Align()%4 == 0 ->
(MOVWstore [8] dst (MOVWUload [8] src mem)
(MOVWstore [4] dst (MOVWUload [4] src mem)
(MOVWstore dst (MOVWUload src mem) mem)))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 16 && SizeAndAlign(s).Align()%8 == 0 ->
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 12 ->
(MOVWstore [8] dst (MOVWUload [8] src mem)
(MOVDstore dst (MOVDload src mem) mem))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 16 ->
(MOVDstore [8] dst (MOVDload [8] src mem)
(MOVDstore dst (MOVDload src mem) mem))
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 24 && SizeAndAlign(s).Align()%8 == 0 ->
(Move [s] dst src mem) && SizeAndAlign(s).Size() == 24 ->
(MOVDstore [16] dst (MOVDload [16] src mem)
(MOVDstore [8] dst (MOVDload [8] src mem)
(MOVDstore dst (MOVDload src mem) mem)))
// large or unaligned move uses a loop
// strip off fractional word move
(Move [s] dst src mem) && SizeAndAlign(s).Size()%8 != 0 && SizeAndAlign(s).Size() > 8 ->
(Move [MakeSizeAndAlign(SizeAndAlign(s).Size()%8, 1).Int64()]
(OffPtr <dst.Type> dst [SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8])
(OffPtr <src.Type> src [SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8])
(Move [MakeSizeAndAlign(SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8, 1).Int64()] dst src mem))
// large move uses a loop
// DUFFCOPY is not implemented on ARM64 (TODO)
(Move [s] dst src mem)
&& SizeAndAlign(s).Size() > 24 || SizeAndAlign(s).Align()%8 != 0 ->
(LoweredMove [SizeAndAlign(s).Align()]
&& SizeAndAlign(s).Size() > 24 && SizeAndAlign(s).Size()%8 == 0 ->
(LoweredMove
dst
src
(ADDconst <src.Type> src [SizeAndAlign(s).Size()-moveSize(SizeAndAlign(s).Align(), config)])
......@@ -507,65 +484,114 @@
(ADDconst [off1] (MOVDaddr [off2] {sym} ptr)) -> (MOVDaddr [off1+off2] {sym} ptr)
// fold address into load/store
// only small offset (between -256 and 256) or offset that is a multiple of data size
// can be encoded in the instructions
// since this rewriting takes place before stack allocation, the offset to SP is unknown,
// so don't do it for args and locals with unaligned offset
(MOVBload [off1] {sym} (ADDconst [off2] ptr) mem) -> (MOVBload [off1+off2] {sym} ptr mem)
(MOVBUload [off1] {sym} (ADDconst [off2] ptr) mem) -> (MOVBUload [off1+off2] {sym} ptr mem)
(MOVHload [off1] {sym} (ADDconst [off2] ptr) mem) -> (MOVHload [off1+off2] {sym} ptr mem)
(MOVHUload [off1] {sym} (ADDconst [off2] ptr) mem) -> (MOVHUload [off1+off2] {sym} ptr mem)
(MOVWload [off1] {sym} (ADDconst [off2] ptr) mem) -> (MOVWload [off1+off2] {sym} ptr mem)
(MOVWUload [off1] {sym} (ADDconst [off2] ptr) mem) -> (MOVWUload [off1+off2] {sym} ptr mem)
(MOVDload [off1] {sym} (ADDconst [off2] ptr) mem) -> (MOVDload [off1+off2] {sym} ptr mem)
(FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem) -> (FMOVSload [off1+off2] {sym} ptr mem)
(FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem) -> (FMOVDload [off1+off2] {sym} ptr mem)
(MOVHload [off1] {sym} (ADDconst [off2] ptr) mem)
&& (off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(MOVHload [off1+off2] {sym} ptr mem)
(MOVHUload [off1] {sym} (ADDconst [off2] ptr) mem)
&& (off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(MOVHUload [off1+off2] {sym} ptr mem)
(MOVWload [off1] {sym} (ADDconst [off2] ptr) mem)
&& (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(MOVWload [off1+off2] {sym} ptr mem)
(MOVWUload [off1] {sym} (ADDconst [off2] ptr) mem)
&& (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(MOVWUload [off1+off2] {sym} ptr mem)
(MOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
&& (off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(MOVDload [off1+off2] {sym} ptr mem)
(FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem)
&& (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(FMOVSload [off1+off2] {sym} ptr mem)
(FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
&& (off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(FMOVDload [off1+off2] {sym} ptr mem)
(MOVBstore [off1] {sym} (ADDconst [off2] ptr) val mem) -> (MOVBstore [off1+off2] {sym} ptr val mem)
(MOVHstore [off1] {sym} (ADDconst [off2] ptr) val mem) -> (MOVHstore [off1+off2] {sym} ptr val mem)
(MOVWstore [off1] {sym} (ADDconst [off2] ptr) val mem) -> (MOVWstore [off1+off2] {sym} ptr val mem)
(MOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem) -> (MOVDstore [off1+off2] {sym} ptr val mem)
(FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem) -> (FMOVSstore [off1+off2] {sym} ptr val mem)
(FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem) -> (FMOVDstore [off1+off2] {sym} ptr val mem)
(MOVHstore [off1] {sym} (ADDconst [off2] ptr) val mem)
&& (off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(MOVHstore [off1+off2] {sym} ptr val mem)
(MOVWstore [off1] {sym} (ADDconst [off2] ptr) val mem)
&& (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(MOVWstore [off1+off2] {sym} ptr val mem)
(MOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
&& (off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(MOVDstore [off1+off2] {sym} ptr val mem)
(FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
&& (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(FMOVSstore [off1+off2] {sym} ptr val mem)
(FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
&& (off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(FMOVDstore [off1+off2] {sym} ptr val mem)
(MOVBstorezero [off1] {sym} (ADDconst [off2] ptr) mem) -> (MOVBstorezero [off1+off2] {sym} ptr mem)
(MOVHstorezero [off1] {sym} (ADDconst [off2] ptr) mem) -> (MOVHstorezero [off1+off2] {sym} ptr mem)
(MOVWstorezero [off1] {sym} (ADDconst [off2] ptr) mem) -> (MOVWstorezero [off1+off2] {sym} ptr mem)
(MOVDstorezero [off1] {sym} (ADDconst [off2] ptr) mem) -> (MOVDstorezero [off1+off2] {sym} ptr mem)
(MOVHstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
&& (off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(MOVHstorezero [off1+off2] {sym} ptr mem)
(MOVWstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
&& (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(MOVWstorezero [off1+off2] {sym} ptr mem)
(MOVDstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
&& (off1+off2)%2==8 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym) ->
(MOVDstorezero [off1+off2] {sym} ptr mem)
(MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(MOVBload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(MOVBUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(MOVBUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(MOVHload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(MOVHUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(MOVHUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(MOVHUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(MOVWload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(MOVWUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(MOVWUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(MOVWUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(MOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(MOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(MOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(FMOVSload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(FMOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(MOVBstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2) ->
(MOVBstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
(MOVHstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2) ->
(MOVHstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(MOVHstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
(MOVWstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2) ->
(MOVWstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(MOVWstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
(MOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2) ->
(MOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(MOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
(FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2) ->
(FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
(FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2) ->
(FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
(MOVBstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(MOVBstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(MOVHstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(MOVHstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(MOVHstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(MOVWstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(MOVWstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(MOVWstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
(MOVDstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2) ->
(MOVDstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) && canMergeSym(sym1,sym2)
&& ((off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1)) ->
(MOVDstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
// store zero
......@@ -575,15 +601,16 @@
(MOVDstore [off] {sym} ptr (MOVDconst [0]) mem) -> (MOVDstorezero [off] {sym} ptr mem)
// replace load from same location as preceding store with copy
(MOVBload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
(MOVBUload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
(MOVHload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
(MOVHUload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
(MOVWload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
(MOVWUload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
(MOVDload [off] {sym} ptr (MOVDstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
(FMOVSload [off] {sym} ptr (FMOVSstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
(FMOVDload [off] {sym} ptr (FMOVDstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
// these seem to have bad interaction with other rules, resulting in slower code
//(MOVBload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
//(MOVBUload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
//(MOVHload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
//(MOVHUload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
//(MOVWload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
//(MOVWUload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
//(MOVDload [off] {sym} ptr (MOVDstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
//(FMOVSload [off] {sym} ptr (FMOVSstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
//(FMOVDload [off] {sym} ptr (FMOVDstore [off2] {sym2} ptr2 x _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> x
(MOVBload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> (MOVDconst [0])
(MOVBUload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _)) && sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) -> (MOVDconst [0])
......@@ -977,6 +1004,8 @@
(AND (SRLconst [c] y) x) -> (ANDshiftRL x y [c])
(AND x (SRAconst [c] y)) -> (ANDshiftRA x y [c])
(AND (SRAconst [c] y) x) -> (ANDshiftRA x y [c])
(OR x s:(SLLconst [c] y)) && s.Uses == 1 && clobber(s) -> (ORshiftLL x y [c]) // useful for combined load
(OR s:(SLLconst [c] y) x) && s.Uses == 1 && clobber(s) -> (ORshiftLL x y [c])
(OR x (SLLconst [c] y)) -> (ORshiftLL x y [c])
(OR (SLLconst [c] y) x) -> (ORshiftLL x y [c])
(OR x (SRLconst [c] y)) -> (ORshiftRL x y [c])
......@@ -1055,3 +1084,169 @@
(BICshiftLL x (SLLconst x [c]) [d]) && c==d -> (MOVDconst [0])
(BICshiftRL x (SRLconst x [c]) [d]) && c==d -> (MOVDconst [0])
(BICshiftRA x (SRAconst x [c]) [d]) && c==d -> (MOVDconst [0])
// do combined loads
// little endian loads
// b[0] | b[1]<<8 -> load 16-bit
(ORshiftLL <t> [8]
y0:(MOVDnop x0:(MOVBUload [i] {s} p mem))
y1:(MOVDnop x1:(MOVBUload [i+1] {s} p mem)))
&& 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)
-> @mergePoint(b,x0,x1) (MOVHUload <t> {s} (OffPtr <p.Type> [i] p) mem)
// b[0] | b[1]<<8 | b[2]<<16 | b[3]<<24 -> load 32-bit
(ORshiftLL <t> [24] o0:(ORshiftLL [16]
x0:(MOVHUload [i] {s} p mem)
y1:(MOVDnop x1:(MOVBUload [i+2] {s} p mem)))
y2:(MOVDnop x2:(MOVBUload [i+3] {s} p mem)))
&& 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)
-> @mergePoint(b,x0,x1,x2) (MOVWUload <t> {s} (OffPtr <p.Type> [i] p) mem)
// b[0] | b[1]<<8 | b[2]<<16 | b[3]<<24 | b[4]<<32 | b[5]<<40 | b[6]<<48 | b[7]<<56 -> load 64-bit
(ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32]
x0:(MOVWUload [i] {s} p mem)
y1:(MOVDnop x1:(MOVBUload [i+4] {s} p mem)))
y2:(MOVDnop x2:(MOVBUload [i+5] {s} p mem)))
y3:(MOVDnop x3:(MOVBUload [i+6] {s} p mem)))
y4:(MOVDnop x4:(MOVBUload [i+7] {s} p mem)))
&& 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)
-> @mergePoint(b,x0,x1,x2,x3,x4) (MOVDload <t> {s} (OffPtr <p.Type> [i] p) mem)
// b[3]<<24 | b[2]<<16 | b[1]<<8 | b[0] -> load 32-bit
(OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24]
y0:(MOVDnop x0:(MOVBUload [i] {s} p mem)))
y1:(MOVDnop x1:(MOVBUload [i-1] {s} p mem)))
y2:(MOVDnop x2:(MOVBUload [i-2] {s} p mem)))
y3:(MOVDnop x3:(MOVBUload [i-3] {s} p mem)))
&& 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)
-> @mergePoint(b,x0,x1,x2,x3) (MOVWUload <t> {s} (OffPtr <p.Type> [i-3] p) mem)
// b[7]<<56 | b[6]<<48 | b[5]<<40 | b[4]<<32 | b[3]<<24 | b[2]<<16 | b[1]<<8 | b[0] -> load 64-bit, reverse
(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 [i] {s} p mem)))
y1:(MOVDnop x1:(MOVBUload [i-1] {s} p mem)))
y2:(MOVDnop x2:(MOVBUload [i-2] {s} p mem)))
y3:(MOVDnop x3:(MOVBUload [i-3] {s} p mem)))
y4:(MOVDnop x4:(MOVBUload [i-4] {s} p mem)))
y5:(MOVDnop x5:(MOVBUload [i-5] {s} p mem)))
y6:(MOVDnop x6:(MOVBUload [i-6] {s} p mem)))
y7:(MOVDnop x7:(MOVBUload [i-7] {s} p mem)))
&& 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)
-> @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (REV <t> (MOVDload <t> {s} (OffPtr <p.Type> [i-7] p) mem))
// big endian loads
// b[1] | b[0]<<8 -> load 16-bit, reverse
(ORshiftLL <t> [8]
y0:(MOVDnop x0:(MOVBUload [i] {s} p mem))
y1:(MOVDnop x1:(MOVBUload [i-1] {s} p mem)))
&& ((i-1)%2 == 0 || i-1<256 && i-1>-256 && !isArg(s) && !isAuto(s))
&& 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)
-> @mergePoint(b,x0,x1) (REV16W <t> (MOVHUload <t> [i-1] {s} p mem))
// b[3] | b[2]<<8 | b[1]<<16 | b[0]<<24 -> load 32-bit, reverse
(ORshiftLL <t> [24] o0:(ORshiftLL [16]
y0:(REV16W x0:(MOVHUload [i] {s} p mem))
y1:(MOVDnop x1:(MOVBUload [i-1] {s} p mem)))
y2:(MOVDnop x2:(MOVBUload [i-2] {s} p mem)))
&& 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)
-> @mergePoint(b,x0,x1,x2) (REVW <t> (MOVWUload <t> {s} (OffPtr <p.Type> [i-2] p) mem))
// b[7] | b[6]<<8 | b[5]<<16 | b[4]<<24 | b[3]<<32 | b[2]<<40 | b[1]<<48 | b[0]<<56 -> load 64-bit, reverse
(ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32]
y0:(REVW x0:(MOVWUload [i] {s} p mem))
y1:(MOVDnop x1:(MOVBUload [i-1] {s} p mem)))
y2:(MOVDnop x2:(MOVBUload [i-2] {s} p mem)))
y3:(MOVDnop x3:(MOVBUload [i-3] {s} p mem)))
y4:(MOVDnop x4:(MOVBUload [i-4] {s} p mem)))
&& 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)
-> @mergePoint(b,x0,x1,x2,x3,x4) (REV <t> (MOVDload <t> {s} (OffPtr <p.Type> [i-4] p) mem))
// b[0]<<24 | b[1]<<16 | b[2]<<8 | b[3] -> load 32-bit, reverse
(OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24]
y0:(MOVDnop x0:(MOVBUload [i] {s} p mem)))
y1:(MOVDnop x1:(MOVBUload [i+1] {s} p mem)))
y2:(MOVDnop x2:(MOVBUload [i+2] {s} p mem)))
y3:(MOVDnop x3:(MOVBUload [i+3] {s} p mem)))
&& 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)
-> @mergePoint(b,x0,x1,x2,x3) (REVW <t> (MOVWUload <t> {s} (OffPtr <p.Type> [i] p) mem))
// b[0]<<56 | b[1]<<48 | b[2]<<40 | b[3]<<32 | b[4]<<24 | b[5]<<16 | b[6]<<8 | b[7] -> load 64-bit, reverse
(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 [i] {s} p mem)))
y1:(MOVDnop x1:(MOVBUload [i+1] {s} p mem)))
y2:(MOVDnop x2:(MOVBUload [i+2] {s} p mem)))
y3:(MOVDnop x3:(MOVBUload [i+3] {s} p mem)))
y4:(MOVDnop x4:(MOVBUload [i+4] {s} p mem)))
y5:(MOVDnop x5:(MOVBUload [i+5] {s} p mem)))
y6:(MOVDnop x6:(MOVBUload [i+6] {s} p mem)))
y7:(MOVDnop x7:(MOVBUload [i+7] {s} p mem)))
&& 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)
-> @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (REV <t> (MOVDload <t> {s} (OffPtr <p.Type> [i] p) mem))
src/cmd/compile/internal/ssa/gen/ARM64Ops.go
View file @ 659dd4f1
......@@ -206,6 +206,9 @@ func init() {
{name: "FNEGS", argLength: 1, reg: fp11, asm: "FNEGS"}, // -arg0, float32
{name: "FNEGD", argLength: 1, reg: fp11, asm: "FNEGD"}, // -arg0, float64
{name: "FSQRTD", argLength: 1, reg: fp11, asm: "FSQRTD"}, // sqrt(arg0), float64
{name: "REV", argLength: 1, reg: gp11, asm: "REV"}, // byte reverse, 64-bit
{name: "REVW", argLength: 1, reg: gp11, asm: "REVW"}, // byte reverse, 32-bit
{name: "REV16W", argLength: 1, reg: gp11, asm: "REV16W"}, // byte reverse in each 16-bit halfword, 32-bit
// shifts
{name: "SLL", argLength: 2, reg: gp21, asm: "LSL"}, // arg0 << arg1, shift amount is mod 64
......@@ -356,7 +359,6 @@ func init() {
// arg0 = address of memory to zero (in R16 aka arm64.REGRT1, changed as side effect)
// arg1 = address of the last element to zero
// arg2 = mem
// auxint = alignment
// returns mem
// MOVD.P ZR, 8(R16)
// CMP Rarg1, R16
......@@ -365,7 +367,6 @@ func init() {
// the-end-of-the-memory - 8 is with the area to zero, ok to spill.
{
name: "LoweredZero",
aux: "Int64",
argLength: 3,
reg: regInfo{
inputs: []regMask{buildReg("R16"), gp},
......@@ -379,7 +380,6 @@ func init() {
// arg1 = address of src memory (in R16 aka arm64.REGRT1, changed as side effect)
// arg2 = address of the last element of src
// arg3 = mem
// auxint = alignment
// returns mem
// MOVD.P 8(R16), Rtmp
// MOVD.P Rtmp, 8(R17)
......@@ -389,7 +389,6 @@ func init() {
// the-end-of-src - 8 is within the area to copy, ok to spill.
{
name: "LoweredMove",
aux: "Int64",
argLength: 4,
reg: regInfo{
inputs: []regMask{buildReg("R17"), buildReg("R16"), gp},
......
src/cmd/compile/internal/ssa/gen/genericOps.go
View file @ 659dd4f1
......@@ -437,6 +437,10 @@ var genericOps = []opData{
{name: "Cvt32Uto64F", argLength: 1}, // uint32 -> float64, only used on 32-bit arch
{name: "Cvt32Fto32U", argLength: 1}, // float32 -> uint32, only used on 32-bit arch
{name: "Cvt64Fto32U", argLength: 1}, // float64 -> uint32, only used on 32-bit arch
{name: "Cvt64Uto32F", argLength: 1}, // uint64 -> float32, only used on archs that has the instruction
{name: "Cvt64Uto64F", argLength: 1}, // uint64 -> float64, only used on archs that has the instruction
{name: "Cvt32Fto64U", argLength: 1}, // float32 -> uint64, only used on archs that has the instruction
{name: "Cvt64Fto64U", argLength: 1}, // float64 -> uint64, only used on archs that has the instruction
// pseudo-ops for breaking Tuple
{name: "Select0", argLength: 1}, // the first component of a tuple
......
src/cmd/compile/internal/ssa/opGen.go
View file @ 659dd4f1
......@@ -841,6 +841,9 @@ const (
OpARM64FNEGS
OpARM64FNEGD
OpARM64FSQRTD
OpARM64REV
OpARM64REVW
OpARM64REV16W
OpARM64SLL
OpARM64SLLconst
OpARM64SRL
......@@ -1377,6 +1380,10 @@ const (
OpCvt32Uto64F
OpCvt32Fto32U
OpCvt64Fto32U
OpCvt64Uto32F
OpCvt64Uto64F
OpCvt32Fto64U
OpCvt64Fto64U
OpSelect0
OpSelect1
)
......@@ -10412,6 +10419,45 @@ var opcodeTable = [...]opInfo{
},
},
},
{
name: "REV",
argLen: 1,
asm: arm64.AREV,
reg: regInfo{
inputs: []inputInfo{
{0, 268173311}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26 g
},
outputs: []outputInfo{
{0, 133955583}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26
},
},
},
{
name: "REVW",
argLen: 1,
asm: arm64.AREVW,
reg: regInfo{
inputs: []inputInfo{
{0, 268173311}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26 g
},
outputs: []outputInfo{
{0, 133955583}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26
},
},
},
{
name: "REV16W",
argLen: 1,
asm: arm64.AREV16W,
reg: regInfo{
inputs: []inputInfo{
{0, 268173311}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26 g
},
outputs: []outputInfo{
{0, 133955583}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26
},
},
},
{
name: "SLL",
argLen: 2,
......@@ -11762,7 +11808,6 @@ var opcodeTable = [...]opInfo{
},
{
name: "LoweredZero",
auxType: auxInt64,
argLen: 3,
clobberFlags: true,
reg: regInfo{
......@@ -11775,7 +11820,6 @@ var opcodeTable = [...]opInfo{
},
{
name: "LoweredMove",
auxType: auxInt64,
argLen: 4,
clobberFlags: true,
reg: regInfo{
......@@ -14859,6 +14903,26 @@ var opcodeTable = [...]opInfo{
argLen: 1,
generic: true,
},
{
name: "Cvt64Uto32F",
argLen: 1,
generic: true,
},
{
name: "Cvt64Uto64F",
argLen: 1,
generic: true,
},
{
name: "Cvt32Fto64U",
argLen: 1,
generic: true,
},
{
name: "Cvt64Fto64U",
argLen: 1,
generic: true,
},
{
name: "Select0",
argLen: 1,
......
src/cmd/compile/internal/ssa/rewrite.go
View file @ 659dd4f1
......@@ -149,6 +149,18 @@ func canMergeSym(x, y interface{}) bool {
return x == nil || y == nil
}
// isArg returns whether s is an arg symbol
func isArg(s interface{}) bool {
_, ok := s.(*ArgSymbol)
return ok
}
// isAuto returns whether s is an auto symbol
func isAuto(s interface{}) bool {
_, ok := s.(*AutoSymbol)
return ok
}
// nlz returns the number of leading zeros.
func nlz(x int64) int64 {
// log2(0) == 1, so nlz(0) == 64
......
src/cmd/compile/internal/ssa/rewriteARM64.go
View file @ 659dd4f1
......@@ -258,6 +258,8 @@ func rewriteValueARM64(v *Value, config *Config) bool {
return rewriteValueARM64_OpCvt32Fto64(v, config)
case OpCvt32Fto64F:
return rewriteValueARM64_OpCvt32Fto64F(v, config)
case OpCvt32Fto64U:
return rewriteValueARM64_OpCvt32Fto64U(v, config)
case OpCvt32Uto32F:
return rewriteValueARM64_OpCvt32Uto32F(v, config)
case OpCvt32Uto64F:
......@@ -274,6 +276,12 @@ func rewriteValueARM64(v *Value, config *Config) bool {
return rewriteValueARM64_OpCvt64Fto32U(v, config)
case OpCvt64Fto64:
return rewriteValueARM64_OpCvt64Fto64(v, config)
case OpCvt64Fto64U:
return rewriteValueARM64_OpCvt64Fto64U(v, config)
case OpCvt64Uto32F:
return rewriteValueARM64_OpCvt64Uto32F(v, config)
case OpCvt64Uto64F:
return rewriteValueARM64_OpCvt64Uto64F(v, config)
case OpCvt64to32F:
return rewriteValueARM64_OpCvt64to32F(v, config)
case OpCvt64to64F:
......@@ -2579,7 +2587,7 @@ func rewriteValueARM64_OpARM64FMOVDload(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
// cond:
// cond: (off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (FMOVDload [off1+off2] {sym} ptr mem)
for {
off1 := v.AuxInt
......@@ -2591,6 +2599,9 @@ func rewriteValueARM64_OpARM64FMOVDload(v *Value, config *Config) bool {
off2 := v_0.AuxInt
ptr := v_0.Args[0]
mem := v.Args[1]
if !((off1+off2)%8 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64FMOVDload)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -2599,7 +2610,7 @@ func rewriteValueARM64_OpARM64FMOVDload(v *Value, config *Config) bool {
return true
}
// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
for {
off1 := v.AuxInt
......@@ -2612,7 +2623,7 @@ func rewriteValueARM64_OpARM64FMOVDload(v *Value, config *Config) bool {
sym2 := v_0.Aux
ptr := v_0.Args[0]
mem := v.Args[1]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%8 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64FMOVDload)
......@@ -2622,36 +2633,13 @@ func rewriteValueARM64_OpARM64FMOVDload(v *Value, config *Config) bool {
v.AddArg(mem)
return true
}
// match: (FMOVDload [off] {sym} ptr (FMOVDstore [off2] {sym2} ptr2 x _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: x
for {
off := v.AuxInt
sym := v.Aux
ptr := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64FMOVDstore {
break
}
off2 := v_1.AuxInt
sym2 := v_1.Aux
ptr2 := v_1.Args[0]
x := v_1.Args[1]
if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
break
}
v.reset(OpCopy)
v.Type = x.Type
v.AddArg(x)
return true
}
return false
}
func rewriteValueARM64_OpARM64FMOVDstore(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
// cond:
// cond: (off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (FMOVDstore [off1+off2] {sym} ptr val mem)
for {
off1 := v.AuxInt
......@@ -2664,6 +2652,9 @@ func rewriteValueARM64_OpARM64FMOVDstore(v *Value, config *Config) bool {
ptr := v_0.Args[0]
val := v.Args[1]
mem := v.Args[2]
if !((off1+off2)%8 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64FMOVDstore)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -2673,7 +2664,7 @@ func rewriteValueARM64_OpARM64FMOVDstore(v *Value, config *Config) bool {
return true
}
// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
for {
off1 := v.AuxInt
......@@ -2687,7 +2678,7 @@ func rewriteValueARM64_OpARM64FMOVDstore(v *Value, config *Config) bool {
ptr := v_0.Args[0]
val := v.Args[1]
mem := v.Args[2]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%8 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64FMOVDstore)
......@@ -2704,7 +2695,7 @@ func rewriteValueARM64_OpARM64FMOVSload(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem)
// cond:
// cond: (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (FMOVSload [off1+off2] {sym} ptr mem)
for {
off1 := v.AuxInt
......@@ -2716,6 +2707,9 @@ func rewriteValueARM64_OpARM64FMOVSload(v *Value, config *Config) bool {
off2 := v_0.AuxInt
ptr := v_0.Args[0]
mem := v.Args[1]
if !((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64FMOVSload)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -2724,7 +2718,7 @@ func rewriteValueARM64_OpARM64FMOVSload(v *Value, config *Config) bool {
return true
}
// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
for {
off1 := v.AuxInt
......@@ -2737,7 +2731,7 @@ func rewriteValueARM64_OpARM64FMOVSload(v *Value, config *Config) bool {
sym2 := v_0.Aux
ptr := v_0.Args[0]
mem := v.Args[1]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64FMOVSload)
......@@ -2747,36 +2741,13 @@ func rewriteValueARM64_OpARM64FMOVSload(v *Value, config *Config) bool {
v.AddArg(mem)
return true
}
// match: (FMOVSload [off] {sym} ptr (FMOVSstore [off2] {sym2} ptr2 x _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: x
for {
off := v.AuxInt
sym := v.Aux
ptr := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64FMOVSstore {
break
}
off2 := v_1.AuxInt
sym2 := v_1.Aux
ptr2 := v_1.Args[0]
x := v_1.Args[1]
if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
break
}
v.reset(OpCopy)
v.Type = x.Type
v.AddArg(x)
return true
}
return false
}
func rewriteValueARM64_OpARM64FMOVSstore(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
// cond:
// cond: (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (FMOVSstore [off1+off2] {sym} ptr val mem)
for {
off1 := v.AuxInt
......@@ -2789,6 +2760,9 @@ func rewriteValueARM64_OpARM64FMOVSstore(v *Value, config *Config) bool {
ptr := v_0.Args[0]
val := v.Args[1]
mem := v.Args[2]
if !((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64FMOVSstore)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -2798,7 +2772,7 @@ func rewriteValueARM64_OpARM64FMOVSstore(v *Value, config *Config) bool {
return true
}
// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
for {
off1 := v.AuxInt
......@@ -2812,7 +2786,7 @@ func rewriteValueARM64_OpARM64FMOVSstore(v *Value, config *Config) bool {
ptr := v_0.Args[0]
val := v.Args[1]
mem := v.Args[2]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64FMOVSstore)
......@@ -3542,29 +3516,6 @@ func rewriteValueARM64_OpARM64MOVBUload(v *Value, config *Config) bool {
v.AddArg(mem)
return true
}
// match: (MOVBUload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: x
for {
off := v.AuxInt
sym := v.Aux
ptr := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64MOVBstore {
break
}
off2 := v_1.AuxInt
sym2 := v_1.Aux
ptr2 := v_1.Args[0]
x := v_1.Args[1]
if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
break
}
v.reset(OpCopy)
v.Type = x.Type
v.AddArg(x)
return true
}
// match: (MOVBUload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: (MOVDconst [0])
......@@ -3677,29 +3628,6 @@ func rewriteValueARM64_OpARM64MOVBload(v *Value, config *Config) bool {
v.AddArg(mem)
return true
}
// match: (MOVBload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: x
for {
off := v.AuxInt
sym := v.Aux
ptr := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64MOVBstore {
break
}
off2 := v_1.AuxInt
sym2 := v_1.Aux
ptr2 := v_1.Args[0]
x := v_1.Args[1]
if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
break
}
v.reset(OpCopy)
v.Type = x.Type
v.AddArg(x)
return true
}
// match: (MOVBload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: (MOVDconst [0])
......@@ -4019,7 +3947,7 @@ func rewriteValueARM64_OpARM64MOVDload(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
// cond:
// cond: (off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (MOVDload [off1+off2] {sym} ptr mem)
for {
off1 := v.AuxInt
......@@ -4031,6 +3959,9 @@ func rewriteValueARM64_OpARM64MOVDload(v *Value, config *Config) bool {
off2 := v_0.AuxInt
ptr := v_0.Args[0]
mem := v.Args[1]
if !((off1+off2)%8 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64MOVDload)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -4039,7 +3970,7 @@ func rewriteValueARM64_OpARM64MOVDload(v *Value, config *Config) bool {
return true
}
// match: (MOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (MOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
for {
off1 := v.AuxInt
......@@ -4052,7 +3983,7 @@ func rewriteValueARM64_OpARM64MOVDload(v *Value, config *Config) bool {
sym2 := v_0.Aux
ptr := v_0.Args[0]
mem := v.Args[1]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%8 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64MOVDload)
......@@ -4062,29 +3993,6 @@ func rewriteValueARM64_OpARM64MOVDload(v *Value, config *Config) bool {
v.AddArg(mem)
return true
}
// match: (MOVDload [off] {sym} ptr (MOVDstore [off2] {sym2} ptr2 x _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: x
for {
off := v.AuxInt
sym := v.Aux
ptr := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64MOVDstore {
break
}
off2 := v_1.AuxInt
sym2 := v_1.Aux
ptr2 := v_1.Args[0]
x := v_1.Args[1]
if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
break
}
v.reset(OpCopy)
v.Type = x.Type
v.AddArg(x)
return true
}
// match: (MOVDload [off] {sym} ptr (MOVDstorezero [off2] {sym2} ptr2 _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: (MOVDconst [0])
......@@ -4142,7 +4050,7 @@ func rewriteValueARM64_OpARM64MOVDstore(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
// cond:
// cond: (off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (MOVDstore [off1+off2] {sym} ptr val mem)
for {
off1 := v.AuxInt
......@@ -4155,6 +4063,9 @@ func rewriteValueARM64_OpARM64MOVDstore(v *Value, config *Config) bool {
ptr := v_0.Args[0]
val := v.Args[1]
mem := v.Args[2]
if !((off1+off2)%8 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64MOVDstore)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -4164,7 +4075,7 @@ func rewriteValueARM64_OpARM64MOVDstore(v *Value, config *Config) bool {
return true
}
// match: (MOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (MOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
for {
off1 := v.AuxInt
......@@ -4178,7 +4089,7 @@ func rewriteValueARM64_OpARM64MOVDstore(v *Value, config *Config) bool {
ptr := v_0.Args[0]
val := v.Args[1]
mem := v.Args[2]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%8 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64MOVDstore)
......@@ -4217,7 +4128,7 @@ func rewriteValueARM64_OpARM64MOVDstorezero(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVDstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
// cond:
// cond: (off1+off2)%2==8 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (MOVDstorezero [off1+off2] {sym} ptr mem)
for {
off1 := v.AuxInt
......@@ -4229,6 +4140,9 @@ func rewriteValueARM64_OpARM64MOVDstorezero(v *Value, config *Config) bool {
off2 := v_0.AuxInt
ptr := v_0.Args[0]
mem := v.Args[1]
if !((off1+off2)%2 == 8 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64MOVDstorezero)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -4237,7 +4151,7 @@ func rewriteValueARM64_OpARM64MOVDstorezero(v *Value, config *Config) bool {
return true
}
// match: (MOVDstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%8==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (MOVDstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
for {
off1 := v.AuxInt
......@@ -4250,7 +4164,7 @@ func rewriteValueARM64_OpARM64MOVDstorezero(v *Value, config *Config) bool {
sym2 := v_0.Aux
ptr := v_0.Args[0]
mem := v.Args[1]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%8 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64MOVDstorezero)
......@@ -4266,7 +4180,7 @@ func rewriteValueARM64_OpARM64MOVHUload(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVHUload [off1] {sym} (ADDconst [off2] ptr) mem)
// cond:
// cond: (off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (MOVHUload [off1+off2] {sym} ptr mem)
for {
off1 := v.AuxInt
......@@ -4278,6 +4192,9 @@ func rewriteValueARM64_OpARM64MOVHUload(v *Value, config *Config) bool {
off2 := v_0.AuxInt
ptr := v_0.Args[0]
mem := v.Args[1]
if !((off1+off2)%2 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64MOVHUload)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -4286,7 +4203,7 @@ func rewriteValueARM64_OpARM64MOVHUload(v *Value, config *Config) bool {
return true
}
// match: (MOVHUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (MOVHUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
for {
off1 := v.AuxInt
......@@ -4299,7 +4216,7 @@ func rewriteValueARM64_OpARM64MOVHUload(v *Value, config *Config) bool {
sym2 := v_0.Aux
ptr := v_0.Args[0]
mem := v.Args[1]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%2 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64MOVHUload)
......@@ -4309,29 +4226,6 @@ func rewriteValueARM64_OpARM64MOVHUload(v *Value, config *Config) bool {
v.AddArg(mem)
return true
}
// match: (MOVHUload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: x
for {
off := v.AuxInt
sym := v.Aux
ptr := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64MOVHstore {
break
}
off2 := v_1.AuxInt
sym2 := v_1.Aux
ptr2 := v_1.Args[0]
x := v_1.Args[1]
if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
break
}
v.reset(OpCopy)
v.Type = x.Type
v.AddArg(x)
return true
}
// match: (MOVHUload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: (MOVDconst [0])
......@@ -4425,7 +4319,7 @@ func rewriteValueARM64_OpARM64MOVHload(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVHload [off1] {sym} (ADDconst [off2] ptr) mem)
// cond:
// cond: (off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (MOVHload [off1+off2] {sym} ptr mem)
for {
off1 := v.AuxInt
......@@ -4437,6 +4331,9 @@ func rewriteValueARM64_OpARM64MOVHload(v *Value, config *Config) bool {
off2 := v_0.AuxInt
ptr := v_0.Args[0]
mem := v.Args[1]
if !((off1+off2)%2 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64MOVHload)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -4445,7 +4342,7 @@ func rewriteValueARM64_OpARM64MOVHload(v *Value, config *Config) bool {
return true
}
// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
for {
off1 := v.AuxInt
......@@ -4458,7 +4355,7 @@ func rewriteValueARM64_OpARM64MOVHload(v *Value, config *Config) bool {
sym2 := v_0.Aux
ptr := v_0.Args[0]
mem := v.Args[1]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%2 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64MOVHload)
......@@ -4468,29 +4365,6 @@ func rewriteValueARM64_OpARM64MOVHload(v *Value, config *Config) bool {
v.AddArg(mem)
return true
}
// match: (MOVHload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: x
for {
off := v.AuxInt
sym := v.Aux
ptr := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64MOVHstore {
break
}
off2 := v_1.AuxInt
sym2 := v_1.Aux
ptr2 := v_1.Args[0]
x := v_1.Args[1]
if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
break
}
v.reset(OpCopy)
v.Type = x.Type
v.AddArg(x)
return true
}
// match: (MOVHload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: (MOVDconst [0])
......@@ -4608,7 +4482,7 @@ func rewriteValueARM64_OpARM64MOVHstore(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVHstore [off1] {sym} (ADDconst [off2] ptr) val mem)
// cond:
// cond: (off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (MOVHstore [off1+off2] {sym} ptr val mem)
for {
off1 := v.AuxInt
......@@ -4621,6 +4495,9 @@ func rewriteValueARM64_OpARM64MOVHstore(v *Value, config *Config) bool {
ptr := v_0.Args[0]
val := v.Args[1]
mem := v.Args[2]
if !((off1+off2)%2 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64MOVHstore)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -4630,7 +4507,7 @@ func rewriteValueARM64_OpARM64MOVHstore(v *Value, config *Config) bool {
return true
}
// match: (MOVHstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (MOVHstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
for {
off1 := v.AuxInt
......@@ -4644,7 +4521,7 @@ func rewriteValueARM64_OpARM64MOVHstore(v *Value, config *Config) bool {
ptr := v_0.Args[0]
val := v.Args[1]
mem := v.Args[2]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%2 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64MOVHstore)
......@@ -4767,7 +4644,7 @@ func rewriteValueARM64_OpARM64MOVHstorezero(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVHstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
// cond:
// cond: (off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (MOVHstorezero [off1+off2] {sym} ptr mem)
for {
off1 := v.AuxInt
......@@ -4779,6 +4656,9 @@ func rewriteValueARM64_OpARM64MOVHstorezero(v *Value, config *Config) bool {
off2 := v_0.AuxInt
ptr := v_0.Args[0]
mem := v.Args[1]
if !((off1+off2)%2 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64MOVHstorezero)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -4787,7 +4667,7 @@ func rewriteValueARM64_OpARM64MOVHstorezero(v *Value, config *Config) bool {
return true
}
// match: (MOVHstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%2==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (MOVHstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
for {
off1 := v.AuxInt
......@@ -4800,7 +4680,7 @@ func rewriteValueARM64_OpARM64MOVHstorezero(v *Value, config *Config) bool {
sym2 := v_0.Aux
ptr := v_0.Args[0]
mem := v.Args[1]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%2 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64MOVHstorezero)
......@@ -4816,7 +4696,7 @@ func rewriteValueARM64_OpARM64MOVWUload(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVWUload [off1] {sym} (ADDconst [off2] ptr) mem)
// cond:
// cond: (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (MOVWUload [off1+off2] {sym} ptr mem)
for {
off1 := v.AuxInt
......@@ -4828,6 +4708,9 @@ func rewriteValueARM64_OpARM64MOVWUload(v *Value, config *Config) bool {
off2 := v_0.AuxInt
ptr := v_0.Args[0]
mem := v.Args[1]
if !((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64MOVWUload)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -4836,7 +4719,7 @@ func rewriteValueARM64_OpARM64MOVWUload(v *Value, config *Config) bool {
return true
}
// match: (MOVWUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (MOVWUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
for {
off1 := v.AuxInt
......@@ -4849,7 +4732,7 @@ func rewriteValueARM64_OpARM64MOVWUload(v *Value, config *Config) bool {
sym2 := v_0.Aux
ptr := v_0.Args[0]
mem := v.Args[1]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64MOVWUload)
......@@ -4859,29 +4742,6 @@ func rewriteValueARM64_OpARM64MOVWUload(v *Value, config *Config) bool {
v.AddArg(mem)
return true
}
// match: (MOVWUload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: x
for {
off := v.AuxInt
sym := v.Aux
ptr := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64MOVWstore {
break
}
off2 := v_1.AuxInt
sym2 := v_1.Aux
ptr2 := v_1.Args[0]
x := v_1.Args[1]
if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
break
}
v.reset(OpCopy)
v.Type = x.Type
v.AddArg(x)
return true
}
// match: (MOVWUload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: (MOVDconst [0])
......@@ -4999,7 +4859,7 @@ func rewriteValueARM64_OpARM64MOVWload(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVWload [off1] {sym} (ADDconst [off2] ptr) mem)
// cond:
// cond: (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (MOVWload [off1+off2] {sym} ptr mem)
for {
off1 := v.AuxInt
......@@ -5011,6 +4871,9 @@ func rewriteValueARM64_OpARM64MOVWload(v *Value, config *Config) bool {
off2 := v_0.AuxInt
ptr := v_0.Args[0]
mem := v.Args[1]
if !((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64MOVWload)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -5019,7 +4882,7 @@ func rewriteValueARM64_OpARM64MOVWload(v *Value, config *Config) bool {
return true
}
// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
for {
off1 := v.AuxInt
......@@ -5032,7 +4895,7 @@ func rewriteValueARM64_OpARM64MOVWload(v *Value, config *Config) bool {
sym2 := v_0.Aux
ptr := v_0.Args[0]
mem := v.Args[1]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64MOVWload)
......@@ -5042,29 +4905,6 @@ func rewriteValueARM64_OpARM64MOVWload(v *Value, config *Config) bool {
v.AddArg(mem)
return true
}
// match: (MOVWload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: x
for {
off := v.AuxInt
sym := v.Aux
ptr := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64MOVWstore {
break
}
off2 := v_1.AuxInt
sym2 := v_1.Aux
ptr2 := v_1.Args[0]
x := v_1.Args[1]
if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
break
}
v.reset(OpCopy)
v.Type = x.Type
v.AddArg(x)
return true
}
// match: (MOVWload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _))
// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
// result: (MOVDconst [0])
......@@ -5230,7 +5070,7 @@ func rewriteValueARM64_OpARM64MOVWstore(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVWstore [off1] {sym} (ADDconst [off2] ptr) val mem)
// cond:
// cond: (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (MOVWstore [off1+off2] {sym} ptr val mem)
for {
off1 := v.AuxInt
......@@ -5243,6 +5083,9 @@ func rewriteValueARM64_OpARM64MOVWstore(v *Value, config *Config) bool {
ptr := v_0.Args[0]
val := v.Args[1]
mem := v.Args[2]
if !((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64MOVWstore)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -5252,7 +5095,7 @@ func rewriteValueARM64_OpARM64MOVWstore(v *Value, config *Config) bool {
return true
}
// match: (MOVWstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
for {
off1 := v.AuxInt
......@@ -5266,7 +5109,7 @@ func rewriteValueARM64_OpARM64MOVWstore(v *Value, config *Config) bool {
ptr := v_0.Args[0]
val := v.Args[1]
mem := v.Args[2]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64MOVWstore)
......@@ -5347,7 +5190,7 @@ func rewriteValueARM64_OpARM64MOVWstorezero(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (MOVWstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
// cond:
// cond: (off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym) && !isAuto(sym)
// result: (MOVWstorezero [off1+off2] {sym} ptr mem)
for {
off1 := v.AuxInt
......@@ -5359,6 +5202,9 @@ func rewriteValueARM64_OpARM64MOVWstorezero(v *Value, config *Config) bool {
off2 := v_0.AuxInt
ptr := v_0.Args[0]
mem := v.Args[1]
if !((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym) && !isAuto(sym)) {
break
}
v.reset(OpARM64MOVWstorezero)
v.AuxInt = off1 + off2
v.Aux = sym
......@@ -5367,7 +5213,7 @@ func rewriteValueARM64_OpARM64MOVWstorezero(v *Value, config *Config) bool {
return true
}
// match: (MOVWstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
// cond: canMergeSym(sym1,sym2)
// cond: canMergeSym(sym1,sym2) && ((off1+off2)%4==0 || off1+off2<256 && off1+off2>-256 && !isArg(sym1) && !isAuto(sym1))
// result: (MOVWstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
for {
off1 := v.AuxInt
......@@ -5380,7 +5226,7 @@ func rewriteValueARM64_OpARM64MOVWstorezero(v *Value, config *Config) bool {
sym2 := v_0.Aux
ptr := v_0.Args[0]
mem := v.Args[1]
if !(canMergeSym(sym1, sym2)) {
if !(canMergeSym(sym1, sym2) && ((off1+off2)%4 == 0 || off1+off2 < 256 && off1+off2 > -256 && !isArg(sym1) && !isAuto(sym1))) {
break
}
v.reset(OpARM64MOVWstorezero)
......@@ -6406,7 +6252,47 @@ func rewriteValueARM64_OpARM64OR(v *Value, config *Config) bool {
v.AddArg(x)
return true
}
// match: (OR x (SLLconst [c] y))
// match: (OR x s:(SLLconst [c] y))
// cond: s.Uses == 1 && clobber(s)
// result: (ORshiftLL x y [c])
for {
x := v.Args[0]
s := v.Args[1]
if s.Op != OpARM64SLLconst {
break
}
c := s.AuxInt
y := s.Args[0]
if !(s.Uses == 1 && clobber(s)) {
break
}
v.reset(OpARM64ORshiftLL)
v.AuxInt = c
v.AddArg(x)
v.AddArg(y)
return true
}
// match: (OR s:(SLLconst [c] y) x)
// cond: s.Uses == 1 && clobber(s)
// result: (ORshiftLL x y [c])
for {
s := v.Args[0]
if s.Op != OpARM64SLLconst {
break
}
c := s.AuxInt
y := s.Args[0]
x := v.Args[1]
if !(s.Uses == 1 && clobber(s)) {
break
}
v.reset(OpARM64ORshiftLL)
v.AuxInt = c
v.AddArg(x)
v.AddArg(y)
return true
}
// match: (OR x (SLLconst [c] y))
// cond:
// result: (ORshiftLL x y [c])
for {
......@@ -6465,168 +6351,1384 @@ func rewriteValueARM64_OpARM64OR(v *Value, config *Config) bool {
if v_0.Op != OpARM64SRLconst {
break
}
c := v_0.AuxInt
y := v_0.Args[0]
x := v.Args[1]
v.reset(OpARM64ORshiftRL)
v.AuxInt = c
v.AddArg(x)
v.AddArg(y)
return true
c := v_0.AuxInt
y := v_0.Args[0]
x := v.Args[1]
v.reset(OpARM64ORshiftRL)
v.AuxInt = c
v.AddArg(x)
v.AddArg(y)
return true
}
// match: (OR x (SRAconst [c] y))
// cond:
// result: (ORshiftRA x y [c])
for {
x := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64SRAconst {
break
}
c := v_1.AuxInt
y := v_1.Args[0]
v.reset(OpARM64ORshiftRA)
v.AuxInt = c
v.AddArg(x)
v.AddArg(y)
return true
}
// match: (OR (SRAconst [c] y) x)
// cond:
// result: (ORshiftRA x y [c])
for {
v_0 := v.Args[0]
if v_0.Op != OpARM64SRAconst {
break
}
c := v_0.AuxInt
y := v_0.Args[0]
x := v.Args[1]
v.reset(OpARM64ORshiftRA)
v.AuxInt = c
v.AddArg(x)
v.AddArg(y)
return true
}
// match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUload [i] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i-1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i-2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i-3] {s} p 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) (MOVWUload <t> {s} (OffPtr <p.Type> [i-3] p) mem)
for {
t := v.Type
o0 := v.Args[0]
if o0.Op != OpARM64ORshiftLL {
break
}
if o0.AuxInt != 8 {
break
}
o1 := o0.Args[0]
if o1.Op != OpARM64ORshiftLL {
break
}
if o1.AuxInt != 16 {
break
}
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
}
i := x0.AuxInt
s := x0.Aux
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 != i-1 {
break
}
if x1.Aux != s {
break
}
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 != i-2 {
break
}
if x2.Aux != s {
break
}
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
}
if x3.AuxInt != i-3 {
break
}
if x3.Aux != s {
break
}
if p != x3.Args[0] {
break
}
if mem != x3.Args[1] {
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.Line, OpARM64MOVWUload, t)
v.reset(OpCopy)
v.AddArg(v0)
v0.Aux = s
v1 := b.NewValue0(v.Line, OpOffPtr, p.Type)
v1.AuxInt = i - 3
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 [i] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i-1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i-2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i-3] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i-4] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [i-5] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [i-6] {s} p mem))) y7:(MOVDnop x7:(MOVBUload [i-7] {s} p 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> (MOVDload <t> {s} (OffPtr <p.Type> [i-7] p) mem))
for {
t := v.Type
o0 := v.Args[0]
if o0.Op != OpARM64ORshiftLL {
break
}
if o0.AuxInt != 8 {
break
}
o1 := o0.Args[0]
if o1.Op != OpARM64ORshiftLL {
break
}
if o1.AuxInt != 16 {
break
}
o2 := o1.Args[0]
if o2.Op != OpARM64ORshiftLL {
break
}
if o2.AuxInt != 24 {
break
}
o3 := o2.Args[0]
if o3.Op != OpARM64ORshiftLL {
break
}
if o3.AuxInt != 32 {
break
}
o4 := o3.Args[0]
if o4.Op != OpARM64ORshiftLL {
break
}
if o4.AuxInt != 40 {
break
}
o5 := o4.Args[0]
if o5.Op != OpARM64ORshiftLL {
break
}
if o5.AuxInt != 48 {
break
}
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
}
i := x0.AuxInt
s := x0.Aux
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 != i-1 {
break
}
if x1.Aux != s {
break
}
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 != i-2 {
break
}
if x2.Aux != s {
break
}
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 != i-3 {
break
}
if x3.Aux != s {
break
}
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 != i-4 {
break
}
if x4.Aux != s {
break
}
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 != i-5 {
break
}
if x5.Aux != s {
break
}
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 != i-6 {
break
}
if x6.Aux != s {
break
}
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 != i-7 {
break
}
if x7.Aux != s {
break
}
if p != x7.Args[0] {
break
}
if mem != x7.Args[1] {
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.Line, OpARM64REV, t)
v.reset(OpCopy)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVDload, t)
v1.Aux = s
v2 := b.NewValue0(v.Line, OpOffPtr, p.Type)
v2.AuxInt = i - 7
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:(MOVBUload [i] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i+1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i+2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i+3] {s} p 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> (MOVWUload <t> {s} (OffPtr <p.Type> [i] p) mem))
for {
t := v.Type
o0 := v.Args[0]
if o0.Op != OpARM64ORshiftLL {
break
}
if o0.AuxInt != 8 {
break
}
o1 := o0.Args[0]
if o1.Op != OpARM64ORshiftLL {
break
}
if o1.AuxInt != 16 {
break
}
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
}
i := x0.AuxInt
s := x0.Aux
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 != i+1 {
break
}
if x1.Aux != s {
break
}
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 != i+2 {
break
}
if x2.Aux != s {
break
}
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
}
if x3.AuxInt != i+3 {
break
}
if x3.Aux != s {
break
}
if p != x3.Args[0] {
break
}
if mem != x3.Args[1] {
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.Line, OpARM64REVW, t)
v.reset(OpCopy)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVWUload, t)
v1.Aux = s
v2 := b.NewValue0(v.Line, OpOffPtr, p.Type)
v2.AuxInt = i
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:(MOVBUload [i] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i+1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i+2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i+3] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i+4] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [i+5] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [i+6] {s} p mem))) y7:(MOVDnop x7:(MOVBUload [i+7] {s} p 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> (MOVDload <t> {s} (OffPtr <p.Type> [i] p) mem))
for {
t := v.Type
o0 := v.Args[0]
if o0.Op != OpARM64ORshiftLL {
break
}
if o0.AuxInt != 8 {
break
}
o1 := o0.Args[0]
if o1.Op != OpARM64ORshiftLL {
break
}
if o1.AuxInt != 16 {
break
}
o2 := o1.Args[0]
if o2.Op != OpARM64ORshiftLL {
break
}
if o2.AuxInt != 24 {
break
}
o3 := o2.Args[0]
if o3.Op != OpARM64ORshiftLL {
break
}
if o3.AuxInt != 32 {
break
}
o4 := o3.Args[0]
if o4.Op != OpARM64ORshiftLL {
break
}
if o4.AuxInt != 40 {
break
}
o5 := o4.Args[0]
if o5.Op != OpARM64ORshiftLL {
break
}
if o5.AuxInt != 48 {
break
}
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
}
i := x0.AuxInt
s := x0.Aux
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 != i+1 {
break
}
if x1.Aux != s {
break
}
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 != i+2 {
break
}
if x2.Aux != s {
break
}
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 != i+3 {
break
}
if x3.Aux != s {
break
}
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 != i+4 {
break
}
if x4.Aux != s {
break
}
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 != i+5 {
break
}
if x5.Aux != s {
break
}
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 != i+6 {
break
}
if x6.Aux != s {
break
}
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 != i+7 {
break
}
if x7.Aux != s {
break
}
if p != x7.Args[0] {
break
}
if mem != x7.Args[1] {
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.Line, OpARM64REV, t)
v.reset(OpCopy)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVDload, t)
v1.Aux = s
v2 := b.NewValue0(v.Line, OpOffPtr, p.Type)
v2.AuxInt = i
v2.AddArg(p)
v1.AddArg(v2)
v1.AddArg(mem)
v0.AddArg(v1)
return true
}
return false
}
func rewriteValueARM64_OpARM64ORconst(v *Value, config *Config) bool {
b := v.Block
_ = b
// 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
}
return false
}
func rewriteValueARM64_OpARM64ORshiftLL(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (ORshiftLL (MOVDconst [c]) x [d])
// cond:
// result: (ORconst [c] (SLLconst <x.Type> x [d]))
for {
d := v.AuxInt
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.Line, 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
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
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 <t> [8] y0:(MOVDnop x0:(MOVBUload [i] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i+1] {s} p 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) (MOVHUload <t> {s} (OffPtr <p.Type> [i] p) mem)
for {
t := v.Type
if v.AuxInt != 8 {
break
}
y0 := v.Args[0]
if y0.Op != OpARM64MOVDnop {
break
}
x0 := y0.Args[0]
if x0.Op != OpARM64MOVBUload {
break
}
i := x0.AuxInt
s := x0.Aux
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
}
if x1.AuxInt != i+1 {
break
}
if x1.Aux != s {
break
}
if p != x1.Args[0] {
break
}
if mem != x1.Args[1] {
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.Line, OpARM64MOVHUload, t)
v.reset(OpCopy)
v.AddArg(v0)
v0.Aux = s
v1 := b.NewValue0(v.Line, OpOffPtr, p.Type)
v1.AuxInt = i
v1.AddArg(p)
v0.AddArg(v1)
v0.AddArg(mem)
return true
}
// match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] x0:(MOVHUload [i] {s} p mem) y1:(MOVDnop x1:(MOVBUload [i+2] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i+3] {s} p 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) (MOVWUload <t> {s} (OffPtr <p.Type> [i] p) mem)
for {
t := v.Type
if v.AuxInt != 24 {
break
}
o0 := v.Args[0]
if o0.Op != OpARM64ORshiftLL {
break
}
if o0.AuxInt != 16 {
break
}
x0 := o0.Args[0]
if x0.Op != OpARM64MOVHUload {
break
}
i := x0.AuxInt
s := x0.Aux
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 != i+2 {
break
}
if x1.Aux != s {
break
}
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
}
if x2.AuxInt != i+3 {
break
}
if x2.Aux != s {
break
}
if p != x2.Args[0] {
break
}
if mem != x2.Args[1] {
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.Line, OpARM64MOVWUload, t)
v.reset(OpCopy)
v.AddArg(v0)
v0.Aux = s
v1 := b.NewValue0(v.Line, OpOffPtr, p.Type)
v1.AuxInt = i
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:(MOVWUload [i] {s} p mem) y1:(MOVDnop x1:(MOVBUload [i+4] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i+5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i+6] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i+7] {s} p 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) (MOVDload <t> {s} (OffPtr <p.Type> [i] p) mem)
for {
t := v.Type
if v.AuxInt != 56 {
break
}
o0 := v.Args[0]
if o0.Op != OpARM64ORshiftLL {
break
}
if o0.AuxInt != 48 {
break
}
o1 := o0.Args[0]
if o1.Op != OpARM64ORshiftLL {
break
}
if o1.AuxInt != 40 {
break
}
o2 := o1.Args[0]
if o2.Op != OpARM64ORshiftLL {
break
}
if o2.AuxInt != 32 {
break
}
x0 := o2.Args[0]
if x0.Op != OpARM64MOVWUload {
break
}
i := x0.AuxInt
s := x0.Aux
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 != i+4 {
break
}
if x1.Aux != s {
break
}
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 != i+5 {
break
}
if x2.Aux != s {
break
}
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 != i+6 {
break
}
if x3.Aux != s {
break
}
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 != i+7 {
break
}
if x4.Aux != s {
break
}
if p != x4.Args[0] {
break
}
if mem != x4.Args[1] {
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.Line, OpARM64MOVDload, t)
v.reset(OpCopy)
v.AddArg(v0)
v0.Aux = s
v1 := b.NewValue0(v.Line, OpOffPtr, p.Type)
v1.AuxInt = i
v1.AddArg(p)
v0.AddArg(v1)
v0.AddArg(mem)
return true
}
// match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUload [i] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i-1] {s} p mem)))
// cond: ((i-1)%2 == 0 || i-1<256 && i-1>-256 && !isArg(s) && !isAuto(s)) && 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> [i-1] {s} p mem))
for {
t := v.Type
if v.AuxInt != 8 {
break
}
y0 := v.Args[0]
if y0.Op != OpARM64MOVDnop {
break
}
x0 := y0.Args[0]
if x0.Op != OpARM64MOVBUload {
break
}
i := x0.AuxInt
s := x0.Aux
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
}
if x1.AuxInt != i-1 {
break
}
if x1.Aux != s {
break
}
if p != x1.Args[0] {
break
}
if mem != x1.Args[1] {
break
}
if !(((i-1)%2 == 0 || i-1 < 256 && i-1 > -256 && !isArg(s) && !isAuto(s)) && 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.Line, OpARM64REV16W, t)
v.reset(OpCopy)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVHUload, t)
v1.AuxInt = i - 1
v1.Aux = s
v1.AddArg(p)
v1.AddArg(mem)
v0.AddArg(v1)
return true
}
// match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] y0:(REV16W x0:(MOVHUload [i] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i-1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i-2] {s} p 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> (MOVWUload <t> {s} (OffPtr <p.Type> [i-2] p) mem))
for {
t := v.Type
if v.AuxInt != 24 {
break
}
o0 := v.Args[0]
if o0.Op != OpARM64ORshiftLL {
break
}
if o0.AuxInt != 16 {
break
}
y0 := o0.Args[0]
if y0.Op != OpARM64REV16W {
break
}
x0 := y0.Args[0]
if x0.Op != OpARM64MOVHUload {
break
}
i := x0.AuxInt
s := x0.Aux
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 != i-1 {
break
}
if x1.Aux != s {
break
}
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
}
if x2.AuxInt != i-2 {
break
}
if x2.Aux != s {
break
}
if p != x2.Args[0] {
break
}
if mem != x2.Args[1] {
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.Line, OpARM64REVW, t)
v.reset(OpCopy)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVWUload, t)
v1.Aux = s
v2 := b.NewValue0(v.Line, OpOffPtr, p.Type)
v2.AuxInt = i - 2
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 [i] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i-1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i-2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i-3] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i-4] {s} p 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> (MOVDload <t> {s} (OffPtr <p.Type> [i-4] p) mem))
for {
t := v.Type
if v.AuxInt != 56 {
break
}
o0 := v.Args[0]
if o0.Op != OpARM64ORshiftLL {
break
}
if o0.AuxInt != 48 {
break
}
o1 := o0.Args[0]
if o1.Op != OpARM64ORshiftLL {
break
}
if o1.AuxInt != 40 {
break
}
o2 := o1.Args[0]
if o2.Op != OpARM64ORshiftLL {
break
}
if o2.AuxInt != 32 {
break
}
y0 := o2.Args[0]
if y0.Op != OpARM64REVW {
break
}
x0 := y0.Args[0]
if x0.Op != OpARM64MOVWUload {
break
}
i := x0.AuxInt
s := x0.Aux
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 != i-1 {
break
}
if x1.Aux != s {
break
}
// match: (OR x (SRAconst [c] y))
// cond:
// result: (ORshiftRA x y [c])
for {
x := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64SRAconst {
if p != x1.Args[0] {
break
}
c := v_1.AuxInt
y := v_1.Args[0]
v.reset(OpARM64ORshiftRA)
v.AuxInt = c
v.AddArg(x)
v.AddArg(y)
return true
if mem != x1.Args[1] {
break
}
// match: (OR (SRAconst [c] y) x)
// cond:
// result: (ORshiftRA x y [c])
for {
v_0 := v.Args[0]
if v_0.Op != OpARM64SRAconst {
y2 := o1.Args[1]
if y2.Op != OpARM64MOVDnop {
break
}
c := v_0.AuxInt
y := v_0.Args[0]
x := v.Args[1]
v.reset(OpARM64ORshiftRA)
v.AuxInt = c
v.AddArg(x)
v.AddArg(y)
return true
x2 := y2.Args[0]
if x2.Op != OpARM64MOVBUload {
break
}
return false
}
func rewriteValueARM64_OpARM64ORconst(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (ORconst [0] x)
// cond:
// result: x
for {
if v.AuxInt != 0 {
if x2.AuxInt != i-2 {
break
}
x := v.Args[0]
v.reset(OpCopy)
v.Type = x.Type
v.AddArg(x)
return true
if x2.Aux != s {
break
}
// match: (ORconst [-1] _)
// cond:
// result: (MOVDconst [-1])
for {
if v.AuxInt != -1 {
if p != x2.Args[0] {
break
}
v.reset(OpARM64MOVDconst)
v.AuxInt = -1
return true
if mem != x2.Args[1] {
break
}
// match: (ORconst [c] (MOVDconst [d]))
// cond:
// result: (MOVDconst [c|d])
for {
c := v.AuxInt
v_0 := v.Args[0]
if v_0.Op != OpARM64MOVDconst {
y3 := o0.Args[1]
if y3.Op != OpARM64MOVDnop {
break
}
d := v_0.AuxInt
v.reset(OpARM64MOVDconst)
v.AuxInt = c | d
return true
x3 := y3.Args[0]
if x3.Op != OpARM64MOVBUload {
break
}
// 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 {
if x3.AuxInt != i-3 {
break
}
d := v_0.AuxInt
x := v_0.Args[0]
v.reset(OpARM64ORconst)
v.AuxInt = c | d
v.AddArg(x)
return true
if x3.Aux != s {
break
}
return false
}
func rewriteValueARM64_OpARM64ORshiftLL(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (ORshiftLL (MOVDconst [c]) x [d])
// cond:
// result: (ORconst [c] (SLLconst <x.Type> x [d]))
for {
d := v.AuxInt
v_0 := v.Args[0]
if v_0.Op != OpARM64MOVDconst {
if p != x3.Args[0] {
break
}
c := v_0.AuxInt
x := v.Args[1]
v.reset(OpARM64ORconst)
v.AuxInt = c
v0 := b.NewValue0(v.Line, OpARM64SLLconst, x.Type)
v0.AuxInt = d
v0.AddArg(x)
v.AddArg(v0)
return true
if mem != x3.Args[1] {
break
}
// match: (ORshiftLL x (MOVDconst [c]) [d])
// cond:
// result: (ORconst x [int64(uint64(c)<<uint64(d))])
for {
d := v.AuxInt
x := v.Args[0]
v_1 := v.Args[1]
if v_1.Op != OpARM64MOVDconst {
y4 := v.Args[1]
if y4.Op != OpARM64MOVDnop {
break
}
c := v_1.AuxInt
v.reset(OpARM64ORconst)
v.AuxInt = int64(uint64(c) << uint64(d))
v.AddArg(x)
return true
x4 := y4.Args[0]
if x4.Op != OpARM64MOVBUload {
break
}
// match: (ORshiftLL x y:(SLLconst x [c]) [d])
// cond: c==d
// result: y
for {
d := v.AuxInt
x := v.Args[0]
y := v.Args[1]
if y.Op != OpARM64SLLconst {
if x4.AuxInt != i-4 {
break
}
c := y.AuxInt
if x != y.Args[0] {
if x4.Aux != s {
break
}
if !(c == d) {
if p != x4.Args[0] {
break
}
if mem != x4.Args[1] {
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.Line, OpARM64REV, t)
v.reset(OpCopy)
v.Type = y.Type
v.AddArg(y)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVDload, t)
v1.Aux = s
v2 := b.NewValue0(v.Line, OpOffPtr, p.Type)
v2.AuxInt = i - 4
v2.AddArg(p)
v1.AddArg(v2)
v1.AddArg(mem)
v0.AddArg(v1)
return true
}
return false
......@@ -8236,6 +9338,19 @@ func rewriteValueARM64_OpCvt32Fto64F(v *Value, config *Config) bool {
return true
}
}
func rewriteValueARM64_OpCvt32Fto64U(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (Cvt32Fto64U x)
// cond:
// result: (FCVTZUS x)
for {
x := v.Args[0]
v.reset(OpARM64FCVTZUS)
v.AddArg(x)
return true
}
}
func rewriteValueARM64_OpCvt32Uto32F(v *Value, config *Config) bool {
b := v.Block
_ = b
......@@ -8340,6 +9455,45 @@ func rewriteValueARM64_OpCvt64Fto64(v *Value, config *Config) bool {
return true
}
}
func rewriteValueARM64_OpCvt64Fto64U(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (Cvt64Fto64U x)
// cond:
// result: (FCVTZUD x)
for {
x := v.Args[0]
v.reset(OpARM64FCVTZUD)
v.AddArg(x)
return true
}
}
func rewriteValueARM64_OpCvt64Uto32F(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (Cvt64Uto32F x)
// cond:
// result: (UCVTFS x)
for {
x := v.Args[0]
v.reset(OpARM64UCVTFS)
v.AddArg(x)
return true
}
}
func rewriteValueARM64_OpCvt64Uto64F(v *Value, config *Config) bool {
b := v.Block
_ = b
// match: (Cvt64Uto64F x)
// cond:
// result: (UCVTFD x)
for {
x := v.Args[0]
v.reset(OpARM64UCVTFD)
v.AddArg(x)
return true
}
}
func rewriteValueARM64_OpCvt64to32F(v *Value, config *Config) bool {
b := v.Block
_ = b
......@@ -10676,28 +11830,8 @@ func rewriteValueARM64_OpMove(v *Value, config *Config) bool {
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 2 && SizeAndAlign(s).Align()%2 == 0
// result: (MOVHstore dst (MOVHUload src mem) mem)
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() == 2 && SizeAndAlign(s).Align()%2 == 0) {
break
}
v.reset(OpARM64MOVHstore)
v.AddArg(dst)
v0 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v0.AddArg(src)
v0.AddArg(mem)
v.AddArg(v0)
v.AddArg(mem)
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 2
// result: (MOVBstore [1] dst (MOVBUload [1] src mem) (MOVBstore dst (MOVBUload src mem) mem))
// result: (MOVHstore dst (MOVHUload src mem) mem)
for {
s := v.AuxInt
dst := v.Args[0]
......@@ -10706,76 +11840,18 @@ func rewriteValueARM64_OpMove(v *Value, config *Config) bool {
if !(SizeAndAlign(s).Size() == 2) {
break
}
v.reset(OpARM64MOVBstore)
v.AuxInt = 1
v.AddArg(dst)
v0 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v0.AuxInt = 1
v0.AddArg(src)
v0.AddArg(mem)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v1.AddArg(dst)
v2 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v2.AddArg(src)
v2.AddArg(mem)
v1.AddArg(v2)
v1.AddArg(mem)
v.AddArg(v1)
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%4 == 0
// result: (MOVWstore dst (MOVWUload src mem) mem)
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%4 == 0) {
break
}
v.reset(OpARM64MOVWstore)
v.AddArg(dst)
v0 := b.NewValue0(v.Line, OpARM64MOVWUload, config.fe.TypeUInt32())
v0.AddArg(src)
v0.AddArg(mem)
v.AddArg(v0)
v.AddArg(mem)
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%2 == 0
// result: (MOVHstore [2] dst (MOVHUload [2] src mem) (MOVHstore dst (MOVHUload src mem) mem))
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%2 == 0) {
break
}
v.reset(OpARM64MOVHstore)
v.AuxInt = 2
v.AddArg(dst)
v0 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v0.AuxInt = 2
v0.AddArg(src)
v0.AddArg(mem)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v1.AddArg(dst)
v2 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v2.AddArg(src)
v2.AddArg(mem)
v1.AddArg(v2)
v1.AddArg(mem)
v.AddArg(v1)
v.AddArg(v0)
v.AddArg(mem)
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 4
// result: (MOVBstore [3] dst (MOVBUload [3] src mem) (MOVBstore [2] dst (MOVBUload [2] src mem) (MOVBstore [1] dst (MOVBUload [1] src mem) (MOVBstore dst (MOVBUload src mem) mem))))
// result: (MOVWstore dst (MOVWUload src mem) mem)
for {
s := v.AuxInt
dst := v.Args[0]
......@@ -10784,51 +11860,24 @@ func rewriteValueARM64_OpMove(v *Value, config *Config) bool {
if !(SizeAndAlign(s).Size() == 4) {
break
}
v.reset(OpARM64MOVBstore)
v.AuxInt = 3
v.reset(OpARM64MOVWstore)
v.AddArg(dst)
v0 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v0.AuxInt = 3
v0 := b.NewValue0(v.Line, OpARM64MOVWUload, config.fe.TypeUInt32())
v0.AddArg(src)
v0.AddArg(mem)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v1.AuxInt = 2
v1.AddArg(dst)
v2 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v2.AuxInt = 2
v2.AddArg(src)
v2.AddArg(mem)
v1.AddArg(v2)
v3 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v3.AuxInt = 1
v3.AddArg(dst)
v4 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v4.AuxInt = 1
v4.AddArg(src)
v4.AddArg(mem)
v3.AddArg(v4)
v5 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v5.AddArg(dst)
v6 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v6.AddArg(src)
v6.AddArg(mem)
v5.AddArg(v6)
v5.AddArg(mem)
v3.AddArg(v5)
v1.AddArg(v3)
v.AddArg(v1)
v.AddArg(mem)
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%8 == 0
// cond: SizeAndAlign(s).Size() == 8
// result: (MOVDstore dst (MOVDload src mem) mem)
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%8 == 0) {
if !(SizeAndAlign(s).Size() == 8) {
break
}
v.reset(OpARM64MOVDstore)
......@@ -10841,27 +11890,27 @@ func rewriteValueARM64_OpMove(v *Value, config *Config) bool {
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%4 == 0
// result: (MOVWstore [4] dst (MOVWUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
// cond: SizeAndAlign(s).Size() == 3
// result: (MOVBstore [2] dst (MOVBUload [2] src mem) (MOVHstore dst (MOVHUload src mem) mem))
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%4 == 0) {
if !(SizeAndAlign(s).Size() == 3) {
break
}
v.reset(OpARM64MOVWstore)
v.AuxInt = 4
v.reset(OpARM64MOVBstore)
v.AuxInt = 2
v.AddArg(dst)
v0 := b.NewValue0(v.Line, OpARM64MOVWUload, config.fe.TypeUInt32())
v0.AuxInt = 4
v0 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v0.AuxInt = 2
v0.AddArg(src)
v0.AddArg(mem)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVWstore, TypeMem)
v1 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v1.AddArg(dst)
v2 := b.NewValue0(v.Line, OpARM64MOVWUload, config.fe.TypeUInt32())
v2 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v2.AddArg(src)
v2.AddArg(mem)
v1.AddArg(v2)
......@@ -10870,120 +11919,93 @@ func rewriteValueARM64_OpMove(v *Value, config *Config) bool {
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%2 == 0
// result: (MOVHstore [6] dst (MOVHUload [6] src mem) (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVHstore [2] dst (MOVHUload [2] src mem) (MOVHstore dst (MOVHUload src mem) mem))))
// cond: SizeAndAlign(s).Size() == 5
// result: (MOVBstore [4] dst (MOVBUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%2 == 0) {
if !(SizeAndAlign(s).Size() == 5) {
break
}
v.reset(OpARM64MOVHstore)
v.AuxInt = 6
v.reset(OpARM64MOVBstore)
v.AuxInt = 4
v.AddArg(dst)
v0 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v0.AuxInt = 6
v0 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v0.AuxInt = 4
v0.AddArg(src)
v0.AddArg(mem)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v1.AuxInt = 4
v1 := b.NewValue0(v.Line, OpARM64MOVWstore, TypeMem)
v1.AddArg(dst)
v2 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v2.AuxInt = 4
v2 := b.NewValue0(v.Line, OpARM64MOVWUload, config.fe.TypeUInt32())
v2.AddArg(src)
v2.AddArg(mem)
v1.AddArg(v2)
v3 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v3.AuxInt = 2
v3.AddArg(dst)
v4 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v4.AuxInt = 2
v4.AddArg(src)
v4.AddArg(mem)
v3.AddArg(v4)
v5 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v5.AddArg(dst)
v6 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v6.AddArg(src)
v6.AddArg(mem)
v5.AddArg(v6)
v5.AddArg(mem)
v3.AddArg(v5)
v1.AddArg(v3)
v1.AddArg(mem)
v.AddArg(v1)
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 3
// result: (MOVBstore [2] dst (MOVBUload [2] src mem) (MOVBstore [1] dst (MOVBUload [1] src mem) (MOVBstore dst (MOVBUload src mem) mem)))
// cond: SizeAndAlign(s).Size() == 6
// result: (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() == 3) {
if !(SizeAndAlign(s).Size() == 6) {
break
}
v.reset(OpARM64MOVBstore)
v.AuxInt = 2
v.reset(OpARM64MOVHstore)
v.AuxInt = 4
v.AddArg(dst)
v0 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v0.AuxInt = 2
v0 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v0.AuxInt = 4
v0.AddArg(src)
v0.AddArg(mem)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v1.AuxInt = 1
v1 := b.NewValue0(v.Line, OpARM64MOVWstore, TypeMem)
v1.AddArg(dst)
v2 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v2.AuxInt = 1
v2 := b.NewValue0(v.Line, OpARM64MOVWUload, config.fe.TypeUInt32())
v2.AddArg(src)
v2.AddArg(mem)
v1.AddArg(v2)
v3 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v3.AddArg(dst)
v4 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v4.AddArg(src)
v4.AddArg(mem)
v3.AddArg(v4)
v3.AddArg(mem)
v1.AddArg(v3)
v1.AddArg(mem)
v.AddArg(v1)
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 6 && SizeAndAlign(s).Align()%2 == 0
// result: (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVHstore [2] dst (MOVHUload [2] src mem) (MOVHstore dst (MOVHUload src mem) mem)))
// cond: SizeAndAlign(s).Size() == 7
// result: (MOVBstore [6] dst (MOVBUload [6] src mem) (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem)))
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() == 6 && SizeAndAlign(s).Align()%2 == 0) {
if !(SizeAndAlign(s).Size() == 7) {
break
}
v.reset(OpARM64MOVHstore)
v.AuxInt = 4
v.reset(OpARM64MOVBstore)
v.AuxInt = 6
v.AddArg(dst)
v0 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v0.AuxInt = 4
v0 := b.NewValue0(v.Line, OpARM64MOVBUload, config.fe.TypeUInt8())
v0.AuxInt = 6
v0.AddArg(src)
v0.AddArg(mem)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v1.AuxInt = 2
v1.AuxInt = 4
v1.AddArg(dst)
v2 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v2.AuxInt = 2
v2.AuxInt = 4
v2.AddArg(src)
v2.AddArg(mem)
v1.AddArg(v2)
v3 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v3 := b.NewValue0(v.Line, OpARM64MOVWstore, TypeMem)
v3.AddArg(dst)
v4 := b.NewValue0(v.Line, OpARM64MOVHUload, config.fe.TypeUInt16())
v4 := b.NewValue0(v.Line, OpARM64MOVWUload, config.fe.TypeUInt32())
v4.AddArg(src)
v4.AddArg(mem)
v3.AddArg(v4)
......@@ -10993,14 +12015,14 @@ func rewriteValueARM64_OpMove(v *Value, config *Config) bool {
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 12 && SizeAndAlign(s).Align()%4 == 0
// result: (MOVWstore [8] dst (MOVWUload [8] src mem) (MOVWstore [4] dst (MOVWUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem)))
// cond: SizeAndAlign(s).Size() == 12
// result: (MOVWstore [8] dst (MOVWUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() == 12 && SizeAndAlign(s).Align()%4 == 0) {
if !(SizeAndAlign(s).Size() == 12) {
break
}
v.reset(OpARM64MOVWstore)
......@@ -11011,34 +12033,25 @@ func rewriteValueARM64_OpMove(v *Value, config *Config) bool {
v0.AddArg(src)
v0.AddArg(mem)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVWstore, TypeMem)
v1.AuxInt = 4
v1 := b.NewValue0(v.Line, OpARM64MOVDstore, TypeMem)
v1.AddArg(dst)
v2 := b.NewValue0(v.Line, OpARM64MOVWUload, config.fe.TypeUInt32())
v2.AuxInt = 4
v2 := b.NewValue0(v.Line, OpARM64MOVDload, config.fe.TypeUInt64())
v2.AddArg(src)
v2.AddArg(mem)
v1.AddArg(v2)
v3 := b.NewValue0(v.Line, OpARM64MOVWstore, TypeMem)
v3.AddArg(dst)
v4 := b.NewValue0(v.Line, OpARM64MOVWUload, config.fe.TypeUInt32())
v4.AddArg(src)
v4.AddArg(mem)
v3.AddArg(v4)
v3.AddArg(mem)
v1.AddArg(v3)
v1.AddArg(mem)
v.AddArg(v1)
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 16 && SizeAndAlign(s).Align()%8 == 0
// cond: SizeAndAlign(s).Size() == 16
// result: (MOVDstore [8] dst (MOVDload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() == 16 && SizeAndAlign(s).Align()%8 == 0) {
if !(SizeAndAlign(s).Size() == 16) {
break
}
v.reset(OpARM64MOVDstore)
......@@ -11060,14 +12073,14 @@ func rewriteValueARM64_OpMove(v *Value, config *Config) bool {
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() == 24 && SizeAndAlign(s).Align()%8 == 0
// cond: SizeAndAlign(s).Size() == 24
// result: (MOVDstore [16] dst (MOVDload [16] src mem) (MOVDstore [8] dst (MOVDload [8] src mem) (MOVDstore dst (MOVDload src mem) mem)))
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() == 24 && SizeAndAlign(s).Align()%8 == 0) {
if !(SizeAndAlign(s).Size() == 24) {
break
}
v.reset(OpARM64MOVDstore)
......@@ -11098,18 +12111,46 @@ func rewriteValueARM64_OpMove(v *Value, config *Config) bool {
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() > 24 || SizeAndAlign(s).Align()%8 != 0
// result: (LoweredMove [SizeAndAlign(s).Align()] dst src (ADDconst <src.Type> src [SizeAndAlign(s).Size()-moveSize(SizeAndAlign(s).Align(), config)]) mem)
// cond: SizeAndAlign(s).Size()%8 != 0 && SizeAndAlign(s).Size() > 8
// result: (Move [MakeSizeAndAlign(SizeAndAlign(s).Size()%8, 1).Int64()] (OffPtr <dst.Type> dst [SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8]) (OffPtr <src.Type> src [SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8]) (Move [MakeSizeAndAlign(SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8, 1).Int64()] dst src mem))
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size()%8 != 0 && SizeAndAlign(s).Size() > 8) {
break
}
v.reset(OpMove)
v.AuxInt = MakeSizeAndAlign(SizeAndAlign(s).Size()%8, 1).Int64()
v0 := b.NewValue0(v.Line, OpOffPtr, dst.Type)
v0.AuxInt = SizeAndAlign(s).Size() - SizeAndAlign(s).Size()%8
v0.AddArg(dst)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpOffPtr, src.Type)
v1.AuxInt = SizeAndAlign(s).Size() - SizeAndAlign(s).Size()%8
v1.AddArg(src)
v.AddArg(v1)
v2 := b.NewValue0(v.Line, OpMove, TypeMem)
v2.AuxInt = MakeSizeAndAlign(SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8, 1).Int64()
v2.AddArg(dst)
v2.AddArg(src)
v2.AddArg(mem)
v.AddArg(v2)
return true
}
// match: (Move [s] dst src mem)
// cond: SizeAndAlign(s).Size() > 24 && SizeAndAlign(s).Size()%8 == 0
// result: (LoweredMove dst src (ADDconst <src.Type> src [SizeAndAlign(s).Size()-moveSize(SizeAndAlign(s).Align(), config)]) mem)
for {
s := v.AuxInt
dst := v.Args[0]
src := v.Args[1]
mem := v.Args[2]
if !(SizeAndAlign(s).Size() > 24 || SizeAndAlign(s).Align()%8 != 0) {
if !(SizeAndAlign(s).Size() > 24 && SizeAndAlign(s).Size()%8 == 0) {
break
}
v.reset(OpARM64LoweredMove)
v.AuxInt = SizeAndAlign(s).Align()
v.AddArg(dst)
v.AddArg(src)
v0 := b.NewValue0(v.Line, OpARM64ADDconst, src.Type)
......@@ -13298,13 +14339,13 @@ func rewriteValueARM64_OpZero(v *Value, config *Config) bool {
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 2 && SizeAndAlign(s).Align()%2 == 0
// cond: SizeAndAlign(s).Size() == 2
// result: (MOVHstore ptr (MOVDconst [0]) mem)
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 2 && SizeAndAlign(s).Align()%2 == 0) {
if !(SizeAndAlign(s).Size() == 2) {
break
}
v.reset(OpARM64MOVHstore)
......@@ -13316,41 +14357,34 @@ func rewriteValueARM64_OpZero(v *Value, config *Config) bool {
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 2
// result: (MOVBstore [1] ptr (MOVDconst [0]) (MOVBstore ptr (MOVDconst [0]) mem))
// cond: SizeAndAlign(s).Size() == 4
// result: (MOVWstore ptr (MOVDconst [0]) mem)
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 2) {
if !(SizeAndAlign(s).Size() == 4) {
break
}
v.reset(OpARM64MOVBstore)
v.AuxInt = 1
v.reset(OpARM64MOVWstore)
v.AddArg(ptr)
v0 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v0.AuxInt = 0
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v1.AddArg(ptr)
v2 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v2.AuxInt = 0
v1.AddArg(v2)
v1.AddArg(mem)
v.AddArg(v1)
v.AddArg(mem)
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%4 == 0
// result: (MOVWstore ptr (MOVDconst [0]) mem)
// cond: SizeAndAlign(s).Size() == 8
// result: (MOVDstore ptr (MOVDconst [0]) mem)
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%4 == 0) {
if !(SizeAndAlign(s).Size() == 8) {
break
}
v.reset(OpARM64MOVWstore)
v.reset(OpARM64MOVDstore)
v.AddArg(ptr)
v0 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v0.AuxInt = 0
......@@ -13359,16 +14393,16 @@ func rewriteValueARM64_OpZero(v *Value, config *Config) bool {
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%2 == 0
// result: (MOVHstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))
// cond: SizeAndAlign(s).Size() == 3
// result: (MOVBstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 4 && SizeAndAlign(s).Align()%2 == 0) {
if !(SizeAndAlign(s).Size() == 3) {
break
}
v.reset(OpARM64MOVHstore)
v.reset(OpARM64MOVBstore)
v.AuxInt = 2
v.AddArg(ptr)
v0 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
......@@ -13384,73 +14418,16 @@ func rewriteValueARM64_OpZero(v *Value, config *Config) bool {
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 4
// result: (MOVBstore [3] ptr (MOVDconst [0]) (MOVBstore [2] ptr (MOVDconst [0]) (MOVBstore [1] ptr (MOVDconst [0]) (MOVBstore ptr (MOVDconst [0]) mem))))
// cond: SizeAndAlign(s).Size() == 5
// result: (MOVBstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 4) {
if !(SizeAndAlign(s).Size() == 5) {
break
}
v.reset(OpARM64MOVBstore)
v.AuxInt = 3
v.AddArg(ptr)
v0 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v0.AuxInt = 0
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v1.AuxInt = 2
v1.AddArg(ptr)
v2 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v2.AuxInt = 0
v1.AddArg(v2)
v3 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v3.AuxInt = 1
v3.AddArg(ptr)
v4 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v4.AuxInt = 0
v3.AddArg(v4)
v5 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v5.AddArg(ptr)
v6 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v6.AuxInt = 0
v5.AddArg(v6)
v5.AddArg(mem)
v3.AddArg(v5)
v1.AddArg(v3)
v.AddArg(v1)
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%8 == 0
// result: (MOVDstore ptr (MOVDconst [0]) mem)
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%8 == 0) {
break
}
v.reset(OpARM64MOVDstore)
v.AddArg(ptr)
v0 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v0.AuxInt = 0
v.AddArg(v0)
v.AddArg(mem)
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%4 == 0
// result: (MOVWstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%4 == 0) {
break
}
v.reset(OpARM64MOVWstore)
v.AuxInt = 4
v.AddArg(ptr)
v0 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
......@@ -13466,99 +14443,53 @@ func rewriteValueARM64_OpZero(v *Value, config *Config) bool {
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%2 == 0
// result: (MOVHstore [6] ptr (MOVDconst [0]) (MOVHstore [4] ptr (MOVDconst [0]) (MOVHstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))))
// cond: SizeAndAlign(s).Size() == 6
// result: (MOVHstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 8 && SizeAndAlign(s).Align()%2 == 0) {
if !(SizeAndAlign(s).Size() == 6) {
break
}
v.reset(OpARM64MOVHstore)
v.AuxInt = 6
v.AuxInt = 4
v.AddArg(ptr)
v0 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v0.AuxInt = 0
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v1.AuxInt = 4
v1 := b.NewValue0(v.Line, OpARM64MOVWstore, TypeMem)
v1.AddArg(ptr)
v2 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v2.AuxInt = 0
v1.AddArg(v2)
v3 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v3.AuxInt = 2
v3.AddArg(ptr)
v4 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v4.AuxInt = 0
v3.AddArg(v4)
v5 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v5.AddArg(ptr)
v6 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v6.AuxInt = 0
v5.AddArg(v6)
v5.AddArg(mem)
v3.AddArg(v5)
v1.AddArg(v3)
v1.AddArg(mem)
v.AddArg(v1)
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 3
// result: (MOVBstore [2] ptr (MOVDconst [0]) (MOVBstore [1] ptr (MOVDconst [0]) (MOVBstore ptr (MOVDconst [0]) mem)))
// cond: SizeAndAlign(s).Size() == 7
// result: (MOVBstore [6] ptr (MOVDconst [0]) (MOVHstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem)))
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 3) {
if !(SizeAndAlign(s).Size() == 7) {
break
}
v.reset(OpARM64MOVBstore)
v.AuxInt = 2
v.AddArg(ptr)
v0 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v0.AuxInt = 0
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v1.AuxInt = 1
v1.AddArg(ptr)
v2 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v2.AuxInt = 0
v1.AddArg(v2)
v3 := b.NewValue0(v.Line, OpARM64MOVBstore, TypeMem)
v3.AddArg(ptr)
v4 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v4.AuxInt = 0
v3.AddArg(v4)
v3.AddArg(mem)
v1.AddArg(v3)
v.AddArg(v1)
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 6 && SizeAndAlign(s).Align()%2 == 0
// result: (MOVHstore [4] ptr (MOVDconst [0]) (MOVHstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem)))
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 6 && SizeAndAlign(s).Align()%2 == 0) {
break
}
v.reset(OpARM64MOVHstore)
v.AuxInt = 4
v.AuxInt = 6
v.AddArg(ptr)
v0 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v0.AuxInt = 0
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v1.AuxInt = 2
v1.AuxInt = 4
v1.AddArg(ptr)
v2 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v2.AuxInt = 0
v1.AddArg(v2)
v3 := b.NewValue0(v.Line, OpARM64MOVHstore, TypeMem)
v3 := b.NewValue0(v.Line, OpARM64MOVWstore, TypeMem)
v3.AddArg(ptr)
v4 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v4.AuxInt = 0
......@@ -13569,13 +14500,13 @@ func rewriteValueARM64_OpZero(v *Value, config *Config) bool {
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 12 && SizeAndAlign(s).Align()%4 == 0
// result: (MOVWstore [8] ptr (MOVDconst [0]) (MOVWstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem)))
// cond: SizeAndAlign(s).Size() == 12
// result: (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 12 && SizeAndAlign(s).Align()%4 == 0) {
if !(SizeAndAlign(s).Size() == 12) {
break
}
v.reset(OpARM64MOVWstore)
......@@ -13584,30 +14515,23 @@ func rewriteValueARM64_OpZero(v *Value, config *Config) bool {
v0 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v0.AuxInt = 0
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpARM64MOVWstore, TypeMem)
v1.AuxInt = 4
v1 := b.NewValue0(v.Line, OpARM64MOVDstore, TypeMem)
v1.AddArg(ptr)
v2 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v2.AuxInt = 0
v1.AddArg(v2)
v3 := b.NewValue0(v.Line, OpARM64MOVWstore, TypeMem)
v3.AddArg(ptr)
v4 := b.NewValue0(v.Line, OpARM64MOVDconst, config.fe.TypeUInt64())
v4.AuxInt = 0
v3.AddArg(v4)
v3.AddArg(mem)
v1.AddArg(v3)
v1.AddArg(mem)
v.AddArg(v1)
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 16 && SizeAndAlign(s).Align()%8 == 0
// cond: SizeAndAlign(s).Size() == 16
// result: (MOVDstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 16 && SizeAndAlign(s).Align()%8 == 0) {
if !(SizeAndAlign(s).Size() == 16) {
break
}
v.reset(OpARM64MOVDstore)
......@@ -13626,13 +14550,13 @@ func rewriteValueARM64_OpZero(v *Value, config *Config) bool {
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size() == 24 && SizeAndAlign(s).Align()%8 == 0
// cond: SizeAndAlign(s).Size() == 24
// result: (MOVDstore [16] ptr (MOVDconst [0]) (MOVDstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem)))
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size() == 24 && SizeAndAlign(s).Align()%8 == 0) {
if !(SizeAndAlign(s).Size() == 24) {
break
}
v.reset(OpARM64MOVDstore)
......@@ -13658,13 +14582,36 @@ func rewriteValueARM64_OpZero(v *Value, config *Config) bool {
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size()%8 == 0 && SizeAndAlign(s).Size() > 24 && SizeAndAlign(s).Size() <= 8*128 && SizeAndAlign(s).Align()%8 == 0 && !config.noDuffDevice
// cond: SizeAndAlign(s).Size()%8 != 0 && SizeAndAlign(s).Size() > 8
// result: (Zero [MakeSizeAndAlign(SizeAndAlign(s).Size()%8, 1).Int64()] (OffPtr <ptr.Type> ptr [SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8]) (Zero [MakeSizeAndAlign(SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8, 1).Int64()] ptr mem))
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size()%8 != 0 && SizeAndAlign(s).Size() > 8) {
break
}
v.reset(OpZero)
v.AuxInt = MakeSizeAndAlign(SizeAndAlign(s).Size()%8, 1).Int64()
v0 := b.NewValue0(v.Line, OpOffPtr, ptr.Type)
v0.AuxInt = SizeAndAlign(s).Size() - SizeAndAlign(s).Size()%8
v0.AddArg(ptr)
v.AddArg(v0)
v1 := b.NewValue0(v.Line, OpZero, TypeMem)
v1.AuxInt = MakeSizeAndAlign(SizeAndAlign(s).Size()-SizeAndAlign(s).Size()%8, 1).Int64()
v1.AddArg(ptr)
v1.AddArg(mem)
v.AddArg(v1)
return true
}
// match: (Zero [s] ptr mem)
// cond: SizeAndAlign(s).Size()%8 == 0 && SizeAndAlign(s).Size() > 24 && SizeAndAlign(s).Size() <= 8*128 && !config.noDuffDevice
// result: (DUFFZERO [4 * (128 - int64(SizeAndAlign(s).Size()/8))] ptr mem)
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !(SizeAndAlign(s).Size()%8 == 0 && SizeAndAlign(s).Size() > 24 && SizeAndAlign(s).Size() <= 8*128 && SizeAndAlign(s).Align()%8 == 0 && !config.noDuffDevice) {
if !(SizeAndAlign(s).Size()%8 == 0 && SizeAndAlign(s).Size() > 24 && SizeAndAlign(s).Size() <= 8*128 && !config.noDuffDevice) {
break
}
v.reset(OpARM64DUFFZERO)
......@@ -13674,17 +14621,16 @@ func rewriteValueARM64_OpZero(v *Value, config *Config) bool {
return true
}
// match: (Zero [s] ptr mem)
// cond: (SizeAndAlign(s).Size() > 8*128 || config.noDuffDevice) || SizeAndAlign(s).Align()%8 != 0
// result: (LoweredZero [SizeAndAlign(s).Align()] ptr (ADDconst <ptr.Type> [SizeAndAlign(s).Size()-moveSize(SizeAndAlign(s).Align(), config)] ptr) mem)
// cond: SizeAndAlign(s).Size()%8 == 0 && (SizeAndAlign(s).Size() > 8*128 || config.noDuffDevice)
// result: (LoweredZero ptr (ADDconst <ptr.Type> [SizeAndAlign(s).Size()-moveSize(SizeAndAlign(s).Align(), config)] ptr) mem)
for {
s := v.AuxInt
ptr := v.Args[0]
mem := v.Args[1]
if !((SizeAndAlign(s).Size() > 8*128 || config.noDuffDevice) || SizeAndAlign(s).Align()%8 != 0) {
if !(SizeAndAlign(s).Size()%8 == 0 && (SizeAndAlign(s).Size() > 8*128 || config.noDuffDevice)) {
break
}
v.reset(OpARM64LoweredZero)
v.AuxInt = SizeAndAlign(s).Align()
v.AddArg(ptr)
v0 := b.NewValue0(v.Line, OpARM64ADDconst, ptr.Type)
v0.AuxInt = SizeAndAlign(s).Size() - moveSize(SizeAndAlign(s).Align(), config)
......
src/cmd/internal/obj/arm64/asm7.go
View file @ 659dd4f1
......@@ -2245,12 +2245,13 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
case 20: /* movT R,O(R) -> strT */
v := int32(regoff(ctxt, &p.To))
sz := int32(1 << uint(movesize(p.As)))
r := int(p.To.Reg)
if r == 0 {
r = int(o.param)
}
if v < 0 { /* unscaled 9-bit signed */
if v < 0 || v%sz != 0 { /* unscaled 9-bit signed */
o1 = olsr9s(ctxt, int32(opstr9(ctxt, p.As)), v, r, int(p.From.Reg))
} else {
v = int32(offsetshift(ctxt, int64(v), int(o.a3)))
......@@ -2259,16 +2260,16 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
case 21: /* movT O(R),R -> ldrT */
v := int32(regoff(ctxt, &p.From))
sz := int32(1 << uint(movesize(p.As)))
r := int(p.From.Reg)
if r == 0 {
r = int(o.param)
}
if v < 0 { /* unscaled 9-bit signed */
if v < 0 || v%sz != 0 { /* unscaled 9-bit signed */
o1 = olsr9s(ctxt, int32(opldr9(ctxt, p.As)), v, r, int(p.To.Reg))
} else {
v = int32(offsetshift(ctxt, int64(v), int(o.a1)))
//print("offset=%lld v=%ld a1=%d\n", instoffset, v, o->a1);
o1 = olsr12u(ctxt, int32(opldr12(ctxt, p.As)), v, r, int(p.To.Reg))
}
......
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