cmd/compile: use MOVBE instruction for GOAMD64>=v3

In CL 354670, I copied some existing rules for convenience but forgot
to update the last rule which broke `GOAMD64=v3 ./make.bat`

Revive CL 354670

Change-Id: Ic1e2047c603f0122482a4b293ce1ef74d806c019
Reviewed-on: https://go-review.googlesource.com/c/go/+/356810
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Keith Randall <khr@golang.org>
Trust: Daniel Martí <mvdan@mvdan.cc>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Go Bot <gobot@golang.org>
This commit is contained in:
wdvxdr 2021-10-19 19:39:21 +08:00 committed by Keith Randall
parent 067d796549
commit fe7df4c4d0
7 changed files with 389 additions and 20 deletions

View file

@ -772,7 +772,9 @@ func ssaGenValue(s *ssagen.State, v *ssa.Value) {
p.From.Val = math.Float64frombits(uint64(v.AuxInt))
p.To.Type = obj.TYPE_REG
p.To.Reg = x
case ssa.OpAMD64MOVQload, ssa.OpAMD64MOVSSload, ssa.OpAMD64MOVSDload, ssa.OpAMD64MOVLload, ssa.OpAMD64MOVWload, ssa.OpAMD64MOVBload, ssa.OpAMD64MOVBQSXload, ssa.OpAMD64MOVWQSXload, ssa.OpAMD64MOVLQSXload, ssa.OpAMD64MOVOload:
case ssa.OpAMD64MOVQload, ssa.OpAMD64MOVLload, ssa.OpAMD64MOVWload, ssa.OpAMD64MOVBload, ssa.OpAMD64MOVOload,
ssa.OpAMD64MOVSSload, ssa.OpAMD64MOVSDload, ssa.OpAMD64MOVBQSXload, ssa.OpAMD64MOVWQSXload, ssa.OpAMD64MOVLQSXload,
ssa.OpAMD64MOVBEQload, ssa.OpAMD64MOVBELload:
p := s.Prog(v.Op.Asm())
p.From.Type = obj.TYPE_MEM
p.From.Reg = v.Args[0].Reg()
@ -788,7 +790,8 @@ func ssaGenValue(s *ssagen.State, v *ssa.Value) {
p.To.Reg = v.Reg()
case ssa.OpAMD64MOVQstore, ssa.OpAMD64MOVSSstore, ssa.OpAMD64MOVSDstore, ssa.OpAMD64MOVLstore, ssa.OpAMD64MOVWstore, ssa.OpAMD64MOVBstore, ssa.OpAMD64MOVOstore,
ssa.OpAMD64ADDQmodify, ssa.OpAMD64SUBQmodify, ssa.OpAMD64ANDQmodify, ssa.OpAMD64ORQmodify, ssa.OpAMD64XORQmodify,
ssa.OpAMD64ADDLmodify, ssa.OpAMD64SUBLmodify, ssa.OpAMD64ANDLmodify, ssa.OpAMD64ORLmodify, ssa.OpAMD64XORLmodify:
ssa.OpAMD64ADDLmodify, ssa.OpAMD64SUBLmodify, ssa.OpAMD64ANDLmodify, ssa.OpAMD64ORLmodify, ssa.OpAMD64XORLmodify,
ssa.OpAMD64MOVBEQstore, ssa.OpAMD64MOVBELstore:
p := s.Prog(v.Op.Asm())
p.From.Type = obj.TYPE_REG
p.From.Reg = v.Args[1].Reg()

View file

@ -53,7 +53,9 @@ func TestGoAMD64v1(t *testing.T) {
opcodes := map[string]bool{}
var features []string
for feature, opcodeList := range featureToOpcodes {
features = append(features, fmt.Sprintf("cpu.%s=off", feature))
if runtimeFeatures[feature] {
features = append(features, fmt.Sprintf("cpu.%s=off", feature))
}
for _, op := range opcodeList {
opcodes[op] = true
}
@ -204,14 +206,28 @@ func clobber(t *testing.T, src string, dst *os.File, opcodes map[string]bool) {
f.Close()
}
func setOf(keys ...string) map[string]bool {
m := make(map[string]bool, len(keys))
for _, key := range keys {
m[key] = true
}
return m
}
var runtimeFeatures = setOf(
"adx", "aes", "avx", "avx2", "bmi1", "bmi2", "erms", "fma",
"pclmulqdq", "popcnt", "rdtscp", "sse3", "sse41", "sse42", "ssse3",
)
var featureToOpcodes = map[string][]string{
// Note: we include *q, *l, and plain opcodes here.
// go tool objdump doesn't include a [QL] on popcnt instructions, until CL 351889
// native objdump doesn't include [QL] on linux.
"popcnt": []string{"popcntq", "popcntl", "popcnt"},
"bmi1": []string{"andnq", "andnl", "andn", "blsiq", "blsil", "blsi", "blsmskq", "blsmskl", "blsmsk", "blsrq", "blsrl", "blsr", "tzcntq", "tzcntl", "tzcnt"},
"sse41": []string{"roundsd"},
"fma": []string{"vfmadd231sd"},
"popcnt": {"popcntq", "popcntl", "popcnt"},
"bmi1": {"andnq", "andnl", "andn", "blsiq", "blsil", "blsi", "blsmskq", "blsmskl", "blsmsk", "blsrq", "blsrl", "blsr", "tzcntq", "tzcntl", "tzcnt"},
"sse41": {"roundsd"},
"fma": {"vfmadd231sd"},
"movbe": {"movbeqq", "movbeq", "movbell", "movbel", "movbe"},
}
// Test to use POPCNT instruction, if available
@ -364,5 +380,4 @@ func TestFMA(t *testing.T) {
t.Errorf("FMA(%f,%f,%f) = %f, want %f", tt.x, tt.y, tt.z, got, tt.want)
}
}
}

View file

@ -2219,3 +2219,29 @@
(AND(Q|L) x (ADD(Q|L)const [-1] x)) && buildcfg.GOAMD64 >= 3 => (BLSR(Q|L) x)
(BSWAP(Q|L) (BSWAP(Q|L) p)) => p
// CPUID feature: MOVBE.
(MOV(Q|L)store [i] {s} p x:(BSWAP(Q|L) w) mem) && x.Uses == 1 && buildcfg.GOAMD64 >= 3 => (MOVBE(Q|L)store [i] {s} p w mem)
(BSWAP(Q|L) x:(MOV(Q|L)load [i] {s} p mem)) && x.Uses == 1 && buildcfg.GOAMD64 >= 3 => (MOVBE(Q|L)load [i] {s} p mem)
(BSWAP(Q|L) (MOVBE(Q|L)load [i] {s} p m)) => (MOV(Q|L)load [i] {s} p m)
(MOVBE(Q|L)store [i] {s} p (BSWAP(Q|L) x) m) => (MOV(Q|L)store [i] {s} p x m)
(ORQ x0:(MOVBELload [i0] {s} p mem)
sh:(SHLQconst [32] x1:(MOVBELload [i1] {s} p mem)))
&& i0 == i1+4
&& x0.Uses == 1
&& x1.Uses == 1
&& sh.Uses == 1
&& mergePoint(b,x0,x1) != nil
&& clobber(x0, x1, sh)
=> @mergePoint(b,x0,x1) (MOVBEQload [i1] {s} p mem)
(ORQ x0:(MOVBELload [i] {s} p0 mem)
sh:(SHLQconst [32] x1:(MOVBELload [i] {s} p1 mem)))
&& x0.Uses == 1
&& x1.Uses == 1
&& sh.Uses == 1
&& sequentialAddresses(p1, p0, 4)
&& mergePoint(b,x0,x1) != nil
&& clobber(x0, x1, sh)
=> @mergePoint(b,x0,x1) (MOVBEQload [i] {s} p1 mem)

View file

@ -922,6 +922,12 @@ func init() {
// and BSFQ(0) is undefined. Same for TZCNTL(0)==32
{name: "TZCNTQ", argLength: 1, reg: gp11, asm: "TZCNTQ", clobberFlags: true},
{name: "TZCNTL", argLength: 1, reg: gp11, asm: "TZCNTL", clobberFlags: true},
// CPUID feature: MOVBE
{name: "MOVBELload", argLength: 2, reg: gpload, asm: "MOVBEL", aux: "SymOff", typ: "UInt32", faultOnNilArg0: true, symEffect: "Read"}, // load and swap 4 bytes from arg0+auxint+aux. arg1=mem. Zero extend.
{name: "MOVBELstore", argLength: 3, reg: gpstore, asm: "MOVBEL", aux: "SymOff", typ: "Mem", faultOnNilArg0: true, symEffect: "Write"}, // swap and store 4 bytes in arg1 to arg0+auxint+aux. arg2=mem
{name: "MOVBEQload", argLength: 2, reg: gpload, asm: "MOVBEQ", aux: "SymOff", typ: "UInt64", faultOnNilArg0: true, symEffect: "Read"}, // load and swap 8 bytes from arg0+auxint+aux. arg1=mem
{name: "MOVBEQstore", argLength: 3, reg: gpstore, asm: "MOVBEQ", aux: "SymOff", typ: "Mem", faultOnNilArg0: true, symEffect: "Write"}, // swap and store 8 bytes in arg1 to arg0+auxint+aux. arg2=mem
}
var AMD64blocks = []blockData{

View file

@ -1043,6 +1043,10 @@ const (
OpAMD64BLSRL
OpAMD64TZCNTQ
OpAMD64TZCNTL
OpAMD64MOVBELload
OpAMD64MOVBELstore
OpAMD64MOVBEQload
OpAMD64MOVBEQstore
OpARMADD
OpARMADDconst
@ -13780,6 +13784,66 @@ var opcodeTable = [...]opInfo{
},
},
},
{
name: "MOVBELload",
auxType: auxSymOff,
argLen: 2,
faultOnNilArg0: true,
symEffect: SymRead,
asm: x86.AMOVBEL,
reg: regInfo{
inputs: []inputInfo{
{0, 4295032831}, // AX CX DX BX SP BP SI DI R8 R9 R10 R11 R12 R13 g R15 SB
},
outputs: []outputInfo{
{0, 49135}, // AX CX DX BX BP SI DI R8 R9 R10 R11 R12 R13 R15
},
},
},
{
name: "MOVBELstore",
auxType: auxSymOff,
argLen: 3,
faultOnNilArg0: true,
symEffect: SymWrite,
asm: x86.AMOVBEL,
reg: regInfo{
inputs: []inputInfo{
{1, 49151}, // AX CX DX BX SP BP SI DI R8 R9 R10 R11 R12 R13 R15
{0, 4295032831}, // AX CX DX BX SP BP SI DI R8 R9 R10 R11 R12 R13 g R15 SB
},
},
},
{
name: "MOVBEQload",
auxType: auxSymOff,
argLen: 2,
faultOnNilArg0: true,
symEffect: SymRead,
asm: x86.AMOVBEQ,
reg: regInfo{
inputs: []inputInfo{
{0, 4295032831}, // AX CX DX BX SP BP SI DI R8 R9 R10 R11 R12 R13 g R15 SB
},
outputs: []outputInfo{
{0, 49135}, // AX CX DX BX BP SI DI R8 R9 R10 R11 R12 R13 R15
},
},
},
{
name: "MOVBEQstore",
auxType: auxSymOff,
argLen: 3,
faultOnNilArg0: true,
symEffect: SymWrite,
asm: x86.AMOVBEQ,
reg: regInfo{
inputs: []inputInfo{
{1, 49151}, // AX CX DX BX SP BP SI DI R8 R9 R10 R11 R12 R13 R15
{0, 4295032831}, // AX CX DX BX SP BP SI DI R8 R9 R10 R11 R12 R13 g R15 SB
},
},
},
{
name: "ADD",

View file

@ -222,6 +222,10 @@ func rewriteValueAMD64(v *Value) bool {
return rewriteValueAMD64_OpAMD64LEAQ4(v)
case OpAMD64LEAQ8:
return rewriteValueAMD64_OpAMD64LEAQ8(v)
case OpAMD64MOVBELstore:
return rewriteValueAMD64_OpAMD64MOVBELstore(v)
case OpAMD64MOVBEQstore:
return rewriteValueAMD64_OpAMD64MOVBEQstore(v)
case OpAMD64MOVBQSX:
return rewriteValueAMD64_OpAMD64MOVBQSX(v)
case OpAMD64MOVBQSXload:
@ -3623,6 +3627,43 @@ func rewriteValueAMD64_OpAMD64BSWAPL(v *Value) bool {
v.copyOf(p)
return true
}
// match: (BSWAPL x:(MOVLload [i] {s} p mem))
// cond: x.Uses == 1 && buildcfg.GOAMD64 >= 3
// result: (MOVBELload [i] {s} p mem)
for {
x := v_0
if x.Op != OpAMD64MOVLload {
break
}
i := auxIntToInt32(x.AuxInt)
s := auxToSym(x.Aux)
mem := x.Args[1]
p := x.Args[0]
if !(x.Uses == 1 && buildcfg.GOAMD64 >= 3) {
break
}
v.reset(OpAMD64MOVBELload)
v.AuxInt = int32ToAuxInt(i)
v.Aux = symToAux(s)
v.AddArg2(p, mem)
return true
}
// match: (BSWAPL (MOVBELload [i] {s} p m))
// result: (MOVLload [i] {s} p m)
for {
if v_0.Op != OpAMD64MOVBELload {
break
}
i := auxIntToInt32(v_0.AuxInt)
s := auxToSym(v_0.Aux)
m := v_0.Args[1]
p := v_0.Args[0]
v.reset(OpAMD64MOVLload)
v.AuxInt = int32ToAuxInt(i)
v.Aux = symToAux(s)
v.AddArg2(p, m)
return true
}
return false
}
func rewriteValueAMD64_OpAMD64BSWAPQ(v *Value) bool {
@ -3637,6 +3678,43 @@ func rewriteValueAMD64_OpAMD64BSWAPQ(v *Value) bool {
v.copyOf(p)
return true
}
// match: (BSWAPQ x:(MOVQload [i] {s} p mem))
// cond: x.Uses == 1 && buildcfg.GOAMD64 >= 3
// result: (MOVBEQload [i] {s} p mem)
for {
x := v_0
if x.Op != OpAMD64MOVQload {
break
}
i := auxIntToInt32(x.AuxInt)
s := auxToSym(x.Aux)
mem := x.Args[1]
p := x.Args[0]
if !(x.Uses == 1 && buildcfg.GOAMD64 >= 3) {
break
}
v.reset(OpAMD64MOVBEQload)
v.AuxInt = int32ToAuxInt(i)
v.Aux = symToAux(s)
v.AddArg2(p, mem)
return true
}
// match: (BSWAPQ (MOVBEQload [i] {s} p m))
// result: (MOVQload [i] {s} p m)
for {
if v_0.Op != OpAMD64MOVBEQload {
break
}
i := auxIntToInt32(v_0.AuxInt)
s := auxToSym(v_0.Aux)
m := v_0.Args[1]
p := v_0.Args[0]
v.reset(OpAMD64MOVQload)
v.AuxInt = int32ToAuxInt(i)
v.Aux = symToAux(s)
v.AddArg2(p, m)
return true
}
return false
}
func rewriteValueAMD64_OpAMD64BTCLconst(v *Value) bool {
@ -9395,6 +9473,52 @@ func rewriteValueAMD64_OpAMD64LEAQ8(v *Value) bool {
}
return false
}
func rewriteValueAMD64_OpAMD64MOVBELstore(v *Value) bool {
v_2 := v.Args[2]
v_1 := v.Args[1]
v_0 := v.Args[0]
// match: (MOVBELstore [i] {s} p (BSWAPL x) m)
// result: (MOVLstore [i] {s} p x m)
for {
i := auxIntToInt32(v.AuxInt)
s := auxToSym(v.Aux)
p := v_0
if v_1.Op != OpAMD64BSWAPL {
break
}
x := v_1.Args[0]
m := v_2
v.reset(OpAMD64MOVLstore)
v.AuxInt = int32ToAuxInt(i)
v.Aux = symToAux(s)
v.AddArg3(p, x, m)
return true
}
return false
}
func rewriteValueAMD64_OpAMD64MOVBEQstore(v *Value) bool {
v_2 := v.Args[2]
v_1 := v.Args[1]
v_0 := v.Args[0]
// match: (MOVBEQstore [i] {s} p (BSWAPQ x) m)
// result: (MOVQstore [i] {s} p x m)
for {
i := auxIntToInt32(v.AuxInt)
s := auxToSym(v.Aux)
p := v_0
if v_1.Op != OpAMD64BSWAPQ {
break
}
x := v_1.Args[0]
m := v_2
v.reset(OpAMD64MOVQstore)
v.AuxInt = int32ToAuxInt(i)
v.Aux = symToAux(s)
v.AddArg3(p, x, m)
return true
}
return false
}
func rewriteValueAMD64_OpAMD64MOVBQSX(v *Value) bool {
v_0 := v.Args[0]
b := v.Block
@ -12225,6 +12349,28 @@ func rewriteValueAMD64_OpAMD64MOVLstore(v *Value) bool {
v.AddArg3(ptr, val, mem)
return true
}
// match: (MOVLstore [i] {s} p x:(BSWAPL w) mem)
// cond: x.Uses == 1 && buildcfg.GOAMD64 >= 3
// result: (MOVBELstore [i] {s} p w mem)
for {
i := auxIntToInt32(v.AuxInt)
s := auxToSym(v.Aux)
p := v_0
x := v_1
if x.Op != OpAMD64BSWAPL {
break
}
w := x.Args[0]
mem := v_2
if !(x.Uses == 1 && buildcfg.GOAMD64 >= 3) {
break
}
v.reset(OpAMD64MOVBELstore)
v.AuxInt = int32ToAuxInt(i)
v.Aux = symToAux(s)
v.AddArg3(p, w, mem)
return true
}
return false
}
func rewriteValueAMD64_OpAMD64MOVLstoreconst(v *Value) bool {
@ -13164,6 +13310,28 @@ func rewriteValueAMD64_OpAMD64MOVQstore(v *Value) bool {
v.AddArg3(ptr, val, mem)
return true
}
// match: (MOVQstore [i] {s} p x:(BSWAPQ w) mem)
// cond: x.Uses == 1 && buildcfg.GOAMD64 >= 3
// result: (MOVBEQstore [i] {s} p w mem)
for {
i := auxIntToInt32(v.AuxInt)
s := auxToSym(v.Aux)
p := v_0
x := v_1
if x.Op != OpAMD64BSWAPQ {
break
}
w := x.Args[0]
mem := v_2
if !(x.Uses == 1 && buildcfg.GOAMD64 >= 3) {
break
}
v.reset(OpAMD64MOVBEQstore)
v.AuxInt = int32ToAuxInt(i)
v.Aux = symToAux(s)
v.AddArg3(p, w, mem)
return true
}
return false
}
func rewriteValueAMD64_OpAMD64MOVQstoreconst(v *Value) bool {
@ -18657,6 +18825,81 @@ func rewriteValueAMD64_OpAMD64ORQ(v *Value) bool {
}
break
}
// match: (ORQ x0:(MOVBELload [i0] {s} p mem) sh:(SHLQconst [32] x1:(MOVBELload [i1] {s} p mem)))
// cond: i0 == i1+4 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0, x1, sh)
// result: @mergePoint(b,x0,x1) (MOVBEQload [i1] {s} p mem)
for {
for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
x0 := v_0
if x0.Op != OpAMD64MOVBELload {
continue
}
i0 := auxIntToInt32(x0.AuxInt)
s := auxToSym(x0.Aux)
mem := x0.Args[1]
p := x0.Args[0]
sh := v_1
if sh.Op != OpAMD64SHLQconst || auxIntToInt8(sh.AuxInt) != 32 {
continue
}
x1 := sh.Args[0]
if x1.Op != OpAMD64MOVBELload {
continue
}
i1 := auxIntToInt32(x1.AuxInt)
if auxToSym(x1.Aux) != s {
continue
}
_ = x1.Args[1]
if p != x1.Args[0] || mem != x1.Args[1] || !(i0 == i1+4 && x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0, x1, sh)) {
continue
}
b = mergePoint(b, x0, x1)
v0 := b.NewValue0(x1.Pos, OpAMD64MOVBEQload, typ.UInt64)
v.copyOf(v0)
v0.AuxInt = int32ToAuxInt(i1)
v0.Aux = symToAux(s)
v0.AddArg2(p, mem)
return true
}
break
}
// match: (ORQ x0:(MOVBELload [i] {s} p0 mem) sh:(SHLQconst [32] x1:(MOVBELload [i] {s} p1 mem)))
// cond: x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && sequentialAddresses(p1, p0, 4) && mergePoint(b,x0,x1) != nil && clobber(x0, x1, sh)
// result: @mergePoint(b,x0,x1) (MOVBEQload [i] {s} p1 mem)
for {
for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
x0 := v_0
if x0.Op != OpAMD64MOVBELload {
continue
}
i := auxIntToInt32(x0.AuxInt)
s := auxToSym(x0.Aux)
mem := x0.Args[1]
p0 := x0.Args[0]
sh := v_1
if sh.Op != OpAMD64SHLQconst || auxIntToInt8(sh.AuxInt) != 32 {
continue
}
x1 := sh.Args[0]
if x1.Op != OpAMD64MOVBELload || auxIntToInt32(x1.AuxInt) != i || auxToSym(x1.Aux) != s {
continue
}
_ = x1.Args[1]
p1 := x1.Args[0]
if mem != x1.Args[1] || !(x0.Uses == 1 && x1.Uses == 1 && sh.Uses == 1 && sequentialAddresses(p1, p0, 4) && mergePoint(b, x0, x1) != nil && clobber(x0, x1, sh)) {
continue
}
b = mergePoint(b, x0, x1)
v0 := b.NewValue0(x1.Pos, OpAMD64MOVBEQload, typ.UInt64)
v.copyOf(v0)
v0.AuxInt = int32ToAuxInt(i)
v0.Aux = symToAux(s)
v0.AddArg2(p1, mem)
return true
}
break
}
return false
}
func rewriteValueAMD64_OpAMD64ORQconst(v *Value) bool {

View file

@ -70,7 +70,8 @@ func load_le16_idx(b []byte, idx int) {
}
func load_be64(b []byte) {
// amd64:`BSWAPQ`,-`MOV[BWL]\t[^$]`,-`OR`
// amd64/v1,amd64/v2:`BSWAPQ`,-`MOV[BWL]\t[^$]`,-`OR`
// amd64/v3:`MOVBEQ`
// s390x:`MOVD\s\(.*\),`
// arm64:`REV`,`MOVD\s\(R[0-9]+\),`,-`MOV[BHW]`,-`REVW`,-`REV16W`
// ppc64le:`MOVDBR`,-`MOV[BHW]Z`
@ -78,7 +79,8 @@ func load_be64(b []byte) {
}
func load_be64_idx(b []byte, idx int) {
// amd64:`BSWAPQ`,-`MOV[BWL]\t[^$]`,-`OR`
// amd64/v1,amd64/v2:`BSWAPQ`,-`MOV[BWL]\t[^$]`,-`OR`
// amd64/v3: `MOVBEQ`
// s390x:`MOVD\s\(.*\)\(.*\*1\),`
// arm64:`REV`,`MOVD\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOV[WHB]`,-`REVW`,-`REV16W`
// ppc64le:`MOVDBR`,-`MOV[BHW]Z`
@ -86,7 +88,8 @@ func load_be64_idx(b []byte, idx int) {
}
func load_be32(b []byte) {
// amd64:`BSWAPL`,-`MOV[BW]`,-`OR`
// amd64/v1,amd64/v2:`BSWAPL`,-`MOV[BW]`,-`OR`
// amd64/v3: `MOVBEL`
// s390x:`MOVWZ\s\(.*\),`
// arm64:`REVW`,`MOVWU\s\(R[0-9]+\),`,-`MOV[BH]`,-`REV16W`
// ppc64le:`MOVWBR`,-`MOV[BH]Z`
@ -94,7 +97,8 @@ func load_be32(b []byte) {
}
func load_be32_idx(b []byte, idx int) {
// amd64:`BSWAPL`,-`MOV[BW]`,-`OR`
// amd64/v1,amd64/v2:`BSWAPL`,-`MOV[BW]`,-`OR`
// amd64/v3: `MOVBEL`
// s390x:`MOVWZ\s\(.*\)\(.*\*1\),`
// arm64:`REVW`,`MOVWU\s\(R[0-9]+\)\(R[0-9]+\),`,-`MOV[HB]`,-`REV16W`
// ppc64le:`MOVWBR`,-`MOV[BH]Z`
@ -179,7 +183,8 @@ func load_be_byte4_uint32(s []byte) uint32 {
func load_be_byte4_uint32_inv(s []byte) uint32 {
// arm64:`MOVWU\t\(R[0-9]+\)`,`REVW`,-`ORR`,-`REV16W`,-`MOV[BH]`
// amd64:`MOVL\s\([A-Z]+\)`,`BSWAPL`,-`MOV[BW]`,-`OR`
// amd64/v1,amd64/v2:`MOVL\s\([A-Z]+\)`,`BSWAPL`,-`MOV[BW]`,-`OR`
// amd64/v3: `MOVBEL`
return uint32(s[3]) | uint32(s[2])<<8 | uint32(s[1])<<16 | uint32(s[0])<<24
}
@ -191,7 +196,8 @@ func load_be_byte8_uint64(s []byte) uint64 {
func load_be_byte8_uint64_inv(s []byte) uint64 {
// arm64:`MOVD\t\(R[0-9]+\)`,`REV`,-`ORR`,-`REVW`,-`REV16W`,-`MOV[BHW]`
// amd64:`MOVQ\s\([A-Z]+\),\s[A-Z]+`,`BSWAPQ`,-`MOV[BWL]\t[^$]`,-`OR`
// amd64/v1,amd64/v2:`MOVQ\s\([A-Z]+\),\s[A-Z]+`,`BSWAPQ`,-`MOV[BWL]\t[^$]`,-`OR`
// amd64/v3: `MOVBEQ`
// ppc64le:`MOVDBR\t\(R[0-9]+\)`,-`MOV[BHW]Z`
return uint64(s[7]) | uint64(s[6])<<8 | uint64(s[5])<<16 | uint64(s[4])<<24 | uint64(s[3])<<32 | uint64(s[2])<<40 | uint64(s[1])<<48 | uint64(s[0])<<56
}
@ -409,7 +415,8 @@ func store_le16_idx(b []byte, idx int) {
}
func store_be64(b []byte) {
// amd64:`BSWAPQ`,-`SHR.`
// amd64/v1,amd64/v2:`BSWAPQ`,-`SHR.`
// amd64/v3: `MOVBEQ`
// arm64:`MOVD`,`REV`,-`MOV[WBH]`,-`REVW`,-`REV16W`
// ppc64le:`MOVDBR`
// s390x:`MOVD\s.*\(.*\)$`,-`SRW\s`,-`SRD\s`
@ -417,7 +424,8 @@ func store_be64(b []byte) {
}
func store_be64_idx(b []byte, idx int) {
// amd64:`BSWAPQ`,-`SHR.`
// amd64/v1,amd64/v2:`BSWAPQ`,-`SHR.`
// amd64/v3:`MOVBEQ`
// arm64:`REV`,`MOVD\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOV[BHW]`,-`REV16W`,-`REVW`
// ppc64le:`MOVDBR`
// s390x:`MOVD\s.*\(.*\)\(.*\*1\)$`,-`SRW\s`,-`SRD\s`
@ -425,7 +433,8 @@ func store_be64_idx(b []byte, idx int) {
}
func store_be32(b []byte) {
// amd64:`BSWAPL`,-`SHR.`
// amd64/v1,amd64/v2:`BSWAPL`,-`SHR.`
// amd64/v3:`MOVBEL`
// arm64:`MOVW`,`REVW`,-`MOV[BH]`,-`REV16W`
// ppc64le:`MOVWBR`
// s390x:`MOVW\s.*\(.*\)$`,-`SRW\s`,-`SRD\s`
@ -445,7 +454,8 @@ func store_be32_load(b, x *[8]byte) {
}
func store_be32_idx(b []byte, idx int) {
// amd64:`BSWAPL`,-`SHR.`
// amd64/v1,amd64/v2:`BSWAPL`,-`SHR.`
// amd64/v3:`MOVBEL`
// arm64:`REVW`,`MOVW\sR[0-9]+,\s\(R[0-9]+\)\(R[0-9]+\)`,-`MOV[BH]`,-`REV16W`
// ppc64le:`MOVWBR`
// s390x:`MOVW\s.*\(.*\)\(.*\*1\)$`,-`SRW\s`,-`SRD\s`
@ -508,14 +518,16 @@ func store_be_byte_2(b []byte, val uint16) {
func store_be_byte_4(b []byte, val uint32) {
_ = b[4]
// arm64:`REVW`,`MOVW\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`,-`MOVH`,-`REV16W`
// amd64:`MOVL\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW`
// amd64/v1,amd64/v2:`MOVL\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW`
// amd64/v3:`MOVBEL\s[A-Z]+,\s1\([A-Z]+\)`
b[1], b[2], b[3], b[4] = byte(val>>24), byte(val>>16), byte(val>>8), byte(val)
}
func store_be_byte_8(b []byte, val uint64) {
_ = b[8]
// arm64:`REV`,`MOVD\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`,-`MOVH`,-`MOVW`,-`REV16W`,-`REVW`
// amd64:`MOVQ\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW`,-`MOVL`
// amd64/v1,amd64/v2:`MOVQ\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW`,-`MOVL`
// amd64/v3:`MOVBEQ\s[A-Z]+,\s1\([A-Z]+\)`, -`MOVBEL`
b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8] = byte(val>>56), byte(val>>48), byte(val>>40), byte(val>>32), byte(val>>24), byte(val>>16), byte(val>>8), byte(val)
}