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Commit 8a85bce2 authored by Ben Shi's avatar Ben Shi Committed by Cherry Zhang
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test/codegen: improve test cases for arm64 

1. Some incorrect test cases are disabled.
2. Some wrong test cases are corrected.
3. Some new test cases are added.

Change-Id: Ib5d0473d55159f233ddab79f96967eaec7b08597
Reviewed-on: https://go-review.googlesource.com/113736Reviewed-by: default avatarCherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
parent ed7a0682
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Showing with 103 additions and 13 deletions
test/codegen/memcombine.go
View file @ 8a85bce2
......@@ -99,38 +99,108 @@ func load_be32_idx(b []byte, idx int) {
func load_be16(b []byte) {
// amd64:`ROLW\s\$8`
// arm64: `REV16W`,`MOVHU\s\(R[0-9]+\),`,-`MOVB`
// arm64:`REV16W`,`MOVHU\s\(R[0-9]+\),`,-`MOVB`
// ppc64le:`MOVHBR`
sink16 = binary.BigEndian.Uint16(b)
}
func load_be16_idx(b []byte, idx int) {
// amd64:`ROLW\s\$8`
// arm64: `REV16W`,`MOVHU\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOVB`
// arm64:`REV16W`,`MOVHU\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOVB`
// ppc64le:`MOVHBR`
sink16 = binary.BigEndian.Uint16(b[idx:])
}
func load_byte2_uint16(s []byte) uint16 {
// arm64:`MOVHU\t\(R[0-9]+\)`,-`ORR\tR[0-9]+<<8`
func load_le_byte2_uint16(s []byte) uint16 {
// arm64:`MOVHU\t\(R[0-9]+\)`,-`ORR`,-`MOVB`
return uint16(s[0]) | uint16(s[1])<<8
}
func load_byte2_uint16_idx(s []byte, idx int) uint16 {
func load_le_byte4_uint32(s []byte) uint32 {
// arm64:`MOVWU\t\(R[0-9]+\)`,-`ORR`,-`MOV[BH]`
return uint32(s[0]) | uint32(s[1])<<8 | uint32(s[2])<<16 | uint32(s[3])<<24
}
func load_le_byte8_uint64(s []byte) uint64 {
// arm64:`MOVD\t\(R[0-9]+\)`,-`ORR`,-`MOV[BHW]`
return uint64(s[0]) | uint64(s[1])<<8 | uint64(s[2])<<16 | uint64(s[3])<<24 | uint64(s[4])<<32 | uint64(s[5])<<40 | uint64(s[6])<<48 | uint64(s[7])<<56
}
func load_be_byte2_uint16(s []byte) uint16 {
// arm64:`MOVHU\t\(R[0-9]+\)`,`REV16W`,-`ORR`,-`MOVB`
return uint16(s[0])<<8 | uint16(s[1])
}
func load_be_byte4_uint32(s []byte) uint32 {
// arm64:`MOVWU\t\(R[0-9]+\)`,`REVW`,-`ORR`,-`REV16W`,-`MOV[BH]`
return uint32(s[0])<<24 | uint32(s[1])<<16 | uint32(s[2])<<8 | uint32(s[3])
}
func load_be_byte8_uint64(s []byte) uint64 {
// arm64:`MOVD\t\(R[0-9]+\)`,`REV`,-`ORR`,-`REVW`,-`REV16W`,-`MOV[BHW]`
return uint64(s[0])<<56 | uint64(s[1])<<48 | uint64(s[2])<<40 | uint64(s[3])<<32 | uint64(s[4])<<24 | uint64(s[5])<<16 | uint64(s[6])<<8 | uint64(s[7])
}
func load_le_byte2_uint16_idx(s []byte, idx int) uint16 {
// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOVB`
return uint16(s[idx]) | uint16(s[idx+1])<<8
}
func load_le_byte4_uint32_idx(s []byte, idx int) uint32 {
// arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOV[BH]`
return uint32(s[idx]) | uint32(s[idx+1])<<8 | uint32(s[idx+2])<<16 | uint32(s[idx+3])<<24
}
func load_le_byte8_uint64_idx(s []byte, idx int) uint64 {
// arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+\)`,-`ORR`,-`MOV[BHW]`
return uint64(s[idx]) | uint64(s[idx+1])<<8 | uint64(s[idx+2])<<16 | uint64(s[idx+3])<<24 | uint64(s[idx+4])<<32 | uint64(s[idx+5])<<40 | uint64(s[idx+6])<<48 | uint64(s[idx+7])<<56
}
func load_be_byte2_uint16_idx(s []byte, idx int) uint16 {
// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+\)`,`REV16W`,-`ORR`,-`MOVB`
return uint16(s[idx])<<8 | uint16(s[idx+1])
}
func load_be_byte4_uint32_idx(s []byte, idx int) uint32 {
// arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+\)`,`REVW`,-`ORR`,-`MOV[BH]`,-`REV16W`
return uint32(s[idx])<<24 | uint32(s[idx+1])<<16 | uint32(s[idx+2])<<8 | uint32(s[idx+3])
}
func load_be_byte8_uint64_idx(s []byte, idx int) uint64 {
// arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+\)`,`REV`,-`ORR`,-`MOV[BHW]`,-`REVW`,-`REV16W`
return uint64(s[idx])<<56 | uint64(s[idx+1])<<48 | uint64(s[idx+2])<<40 | uint64(s[idx+3])<<32 | uint64(s[idx+4])<<24 | uint64(s[idx+5])<<16 | uint64(s[idx+6])<<8 | uint64(s[idx+7])
}
func load_le_byte2_uint16_idx2(s []byte, idx int) uint16 {
// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`ORR`,-`MOVB`
return uint16(s[idx<<1]) | uint16(s[(idx<<1)+1])<<8
}
func load_byte4_uint32_idx(s []byte, idx int) uint32 {
func load_le_byte4_uint32_idx4(s []byte, idx int) uint32 {
// arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+<<2\)`,-`ORR`,-`MOV[BH]`
return uint32(s[idx<<2]) | uint32(s[(idx<<2)+1])<<8 | uint32(s[(idx<<2)+2])<<16 | uint32(s[(idx<<2)+3])<<24
}
func load_byte8_uint64_idx(s []byte, idx int) uint64 {
func load_le_byte8_uint64_idx8(s []byte, idx int) uint64 {
// arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+<<3\)`,-`ORR`,-`MOV[BHW]`
return uint64(s[idx<<3]) | uint64(s[(idx<<3)+1])<<8 | uint64(s[(idx<<3)+2])<<16 | uint64(s[(idx<<3)+3])<<24 | uint64(s[(idx<<3)+4])<<32 | uint64(s[(idx<<3)+5])<<40 | uint64(s[(idx<<3)+6])<<48 | uint64(s[(idx<<3)+7])<<56
}
func load_be_byte2_uint16_idx2(s []byte, idx int) uint16 {
// arm64:`MOVHU\s\(R[0-9]+\)\(R[0-9]+<<1\)`,`REV16W`,-`ORR`,-`MOVB`
return uint16(s[idx<<1])<<8 | uint16(s[(idx<<1)+1])
}
func load_be_byte4_uint32_idx4(s []byte, idx int) uint32 {
// arm64:`MOVWU\s\(R[0-9]+\)\(R[0-9]+<<2\)`,`REVW`,-`ORR`,-`MOV[BH]`,-`REV16W`
return uint32(s[idx<<2])<<24 | uint32(s[(idx<<2)+1])<<16 | uint32(s[(idx<<2)+2])<<8 | uint32(s[(idx<<2)+3])
}
func load_be_byte8_uint64_idx8(s []byte, idx int) uint64 {
// arm64:`MOVD\s\(R[0-9]+\)\(R[0-9]+<<3\)`,`REV`,-`ORR`,-`MOV[BHW]`,-`REVW`,-`REV16W`
return uint64(s[idx<<3])<<56 | uint64(s[(idx<<3)+1])<<48 | uint64(s[(idx<<3)+2])<<40 | uint64(s[(idx<<3)+3])<<32 | uint64(s[(idx<<3)+4])<<24 | uint64(s[(idx<<3)+5])<<16 | uint64(s[(idx<<3)+6])<<8 | uint64(s[(idx<<3)+7])
}
// Check load combining across function calls.
func fcall_byte(a, b byte) (byte, byte) {
......@@ -262,6 +332,18 @@ func store_be16_idx(b []byte, idx int) {
binary.BigEndian.PutUint16(b[idx:], sink16)
}
func store_be_byte_2_idx(b []byte, idx int, val uint16) {
_, _ = b[idx+0], b[idx+1]
// arm64:`REV16W`,`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB`
b[idx+0], b[idx+1] = byte(val>>8), byte(val)
}
func store_be_byte_2_idx2(b []byte, idx int, val uint16) {
_, _ = b[(idx<<1)+0], b[(idx<<1)+1]
// arm64:`REV16W`,`MOVH\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`MOVB`
b[(idx<<1)+0], b[(idx<<1)+1] = byte(val>>8), byte(val)
}
// ------------- //
// Zeroing //
// ------------- //
......@@ -295,12 +377,7 @@ func zero_byte_16(b []byte) {
b[12], b[13], b[14], b[15] = 0, 0, 0, 0 // arm64:"STP",-"MOVB",-"MOVH",-"MOVW"
}
func zero_byte_2_idx(b []byte, idx int) {
// arm64: `MOVH\sZR,\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`MOVB`
b[(idx<<1)+0] = 0
b[(idx<<1)+1] = 0
}
/* TODO: enable them when corresponding optimization are implemented
func zero_byte_4_idx(b []byte, idx int) {
// arm64: `MOVW\sZR,\s\(R[0-9]+\)\(R[0-9]+<<2\)`,-`MOV[BH]`
b[(idx<<2)+0] = 0
......@@ -320,6 +397,7 @@ func zero_byte_8_idx(b []byte, idx int) {
b[(idx<<3)+6] = 0
b[(idx<<3)+7] = 0
}
*/
func zero_byte_30(a *[30]byte) {
*a = [30]byte{} // arm64:"STP",-"MOVB",-"MOVH",-"MOVW"
......@@ -329,6 +407,18 @@ func zero_byte_39(a *[39]byte) {
*a = [39]byte{} // arm64:"MOVD",-"MOVB",-"MOVH",-"MOVW"
}
func zero_byte_2_idx(b []byte, idx int) {
_, _ = b[idx+0], b[idx+1]
// arm64:`MOVH\sZR,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOVB`
b[idx+0], b[idx+1] = 0, 0
}
func zero_byte_2_idx2(b []byte, idx int) {
_, _ = b[(idx<<1)+0], b[(idx<<1)+1]
// arm64:`MOVH\sZR,\s\(R[0-9]+\)\(R[0-9]+<<1\)`,-`MOVB`
b[(idx<<1)+0], b[(idx<<1)+1] = 0, 0
}
func zero_uint16_2(h1, h2 []uint16) {
_, _ = h1[1], h2[1]
h1[0], h1[1] = 0, 0 // arm64:"MOVW\tZR",-"MOVB",-"MOVH"
......
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