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math, math/bits: add intrinsics for wasm

This commit adds compiler intrinsics for the packages math and
math/bits on the wasm architecture for better performance.

benchmark                        old ns/op     new ns/op     delta
BenchmarkCeil                    8.31          3.21          -61.37%
BenchmarkCopysign                5.24          3.88          -25.95%
BenchmarkAbs                     5.42          3.34          -38.38%
BenchmarkFloor                   8.29          3.18          -61.64%
BenchmarkRoundToEven             9.76          3.26          -66.60%
BenchmarkSqrtLatency             8.13          4.88          -39.98%
BenchmarkSqrtPrime               5246          3535          -32.62%
BenchmarkTrunc                   8.29          3.15          -62.00%
BenchmarkLeadingZeros            13.0          4.23          -67.46%
BenchmarkLeadingZeros8           4.65          4.42          -4.95%
BenchmarkLeadingZeros16          7.60          4.38          -42.37%
BenchmarkLeadingZeros32          10.7          4.48          -58.13%
BenchmarkLeadingZeros64          12.9          4.31          -66.59%
BenchmarkTrailingZeros           6.52          4.04          -38.04%
BenchmarkTrailingZeros8          4.57          4.14          -9.41%
BenchmarkTrailingZeros16         6.69          4.16          -37.82%
BenchmarkTrailingZeros32         6.97          4.23          -39.31%
BenchmarkTrailingZeros64         6.59          4.00          -39.30%
BenchmarkOnesCount               7.93          3.30          -58.39%
BenchmarkOnesCount8              3.56          3.19          -10.39%
BenchmarkOnesCount16             4.85          3.19          -34.23%
BenchmarkOnesCount32             7.27          3.19          -56.12%
BenchmarkOnesCount64             8.08          3.28          -59.41%
BenchmarkRotateLeft              4.88          3.80          -22.13%
BenchmarkRotateLeft64            5.03          3.63          -27.83%

Change-Id: Ic1e0c2984878be8defb6eb7eb6ee63765c793222
Reviewed-on: https://go-review.googlesource.com/c/go/+/165177
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Richard Musiol 2019-03-05 01:56:17 +01:00 committed by Brad Fitzpatrick
parent aa193c0b96
commit 5ee1b84959
9 changed files with 566 additions and 23 deletions

View File

@ -3190,22 +3190,22 @@ func init() {
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpSqrt, types.Types[TFLOAT64], args[0])
},
sys.I386, sys.AMD64, sys.ARM, sys.ARM64, sys.MIPS, sys.MIPS64, sys.PPC64, sys.S390X)
sys.I386, sys.AMD64, sys.ARM, sys.ARM64, sys.MIPS, sys.MIPS64, sys.PPC64, sys.S390X, sys.Wasm)
addF("math", "Trunc",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpTrunc, types.Types[TFLOAT64], args[0])
},
sys.ARM64, sys.PPC64, sys.S390X)
sys.ARM64, sys.PPC64, sys.S390X, sys.Wasm)
addF("math", "Ceil",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpCeil, types.Types[TFLOAT64], args[0])
},
sys.ARM64, sys.PPC64, sys.S390X)
sys.ARM64, sys.PPC64, sys.S390X, sys.Wasm)
addF("math", "Floor",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpFloor, types.Types[TFLOAT64], args[0])
},
sys.ARM64, sys.PPC64, sys.S390X)
sys.ARM64, sys.PPC64, sys.S390X, sys.Wasm)
addF("math", "Round",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpRound, types.Types[TFLOAT64], args[0])
@ -3215,17 +3215,17 @@ func init() {
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpRoundToEven, types.Types[TFLOAT64], args[0])
},
sys.ARM64, sys.S390X)
sys.ARM64, sys.S390X, sys.Wasm)
addF("math", "Abs",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpAbs, types.Types[TFLOAT64], args[0])
},
sys.ARM64, sys.PPC64)
sys.ARM64, sys.PPC64, sys.Wasm)
addF("math", "Copysign",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue2(ssa.OpCopysign, types.Types[TFLOAT64], args[0], args[1])
},
sys.PPC64)
sys.PPC64, sys.Wasm)
makeRoundAMD64 := func(op ssa.Op) func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
@ -3275,12 +3275,12 @@ func init() {
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpCtz64, types.Types[TINT], args[0])
},
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64)
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64, sys.Wasm)
addF("math/bits", "TrailingZeros32",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpCtz32, types.Types[TINT], args[0])
},
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64)
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64, sys.Wasm)
addF("math/bits", "TrailingZeros16",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
x := s.newValue1(ssa.OpZeroExt16to32, types.Types[TUINT32], args[0])
@ -3293,7 +3293,7 @@ func init() {
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpCtz16, types.Types[TINT], args[0])
},
sys.AMD64, sys.ARM64)
sys.AMD64, sys.ARM64, sys.Wasm)
addF("math/bits", "TrailingZeros16",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
x := s.newValue1(ssa.OpZeroExt16to64, types.Types[TUINT64], args[0])
@ -3314,7 +3314,7 @@ func init() {
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpCtz8, types.Types[TINT], args[0])
},
sys.AMD64, sys.ARM64)
sys.AMD64, sys.ARM64, sys.Wasm)
addF("math/bits", "TrailingZeros8",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
x := s.newValue1(ssa.OpZeroExt8to64, types.Types[TUINT64], args[0])
@ -3331,7 +3331,7 @@ func init() {
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpBitLen64, types.Types[TINT], args[0])
},
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64)
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64, sys.Wasm)
addF("math/bits", "Len32",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpBitLen32, types.Types[TINT], args[0])
@ -3345,7 +3345,7 @@ func init() {
x := s.newValue1(ssa.OpZeroExt32to64, types.Types[TUINT64], args[0])
return s.newValue1(ssa.OpBitLen64, types.Types[TINT], x)
},
sys.ARM, sys.S390X, sys.MIPS, sys.PPC64)
sys.ARM, sys.S390X, sys.MIPS, sys.PPC64, sys.Wasm)
addF("math/bits", "Len16",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
if s.config.PtrSize == 4 {
@ -3355,7 +3355,7 @@ func init() {
x := s.newValue1(ssa.OpZeroExt16to64, types.Types[TUINT64], args[0])
return s.newValue1(ssa.OpBitLen64, types.Types[TINT], x)
},
sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64)
sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64, sys.Wasm)
addF("math/bits", "Len16",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpBitLen16, types.Types[TINT], args[0])
@ -3370,7 +3370,7 @@ func init() {
x := s.newValue1(ssa.OpZeroExt8to64, types.Types[TUINT64], args[0])
return s.newValue1(ssa.OpBitLen64, types.Types[TINT], x)
},
sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64)
sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64, sys.Wasm)
addF("math/bits", "Len8",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpBitLen8, types.Types[TINT], args[0])
@ -3383,7 +3383,7 @@ func init() {
}
return s.newValue1(ssa.OpBitLen64, types.Types[TINT], args[0])
},
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64)
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64, sys.Wasm)
// LeadingZeros is handled because it trivially calls Len.
addF("math/bits", "Reverse64",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
@ -3432,7 +3432,7 @@ func init() {
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue2(ssa.OpRotateLeft64, types.Types[TUINT64], args[0], args[1])
},
sys.AMD64, sys.ARM64, sys.S390X, sys.PPC64)
sys.AMD64, sys.ARM64, sys.S390X, sys.PPC64, sys.Wasm)
alias("math/bits", "RotateLeft", "math/bits", "RotateLeft64", p8...)
makeOnesCountAMD64 := func(op64 ssa.Op, op32 ssa.Op) func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
@ -3476,7 +3476,7 @@ func init() {
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpPopCount64, types.Types[TINT], args[0])
},
sys.PPC64, sys.ARM64, sys.S390X)
sys.PPC64, sys.ARM64, sys.S390X, sys.Wasm)
addF("math/bits", "OnesCount32",
makeOnesCountAMD64(ssa.OpPopCount32, ssa.OpPopCount32),
sys.AMD64)
@ -3484,7 +3484,7 @@ func init() {
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpPopCount32, types.Types[TINT], args[0])
},
sys.PPC64, sys.ARM64, sys.S390X)
sys.PPC64, sys.ARM64, sys.S390X, sys.Wasm)
addF("math/bits", "OnesCount16",
makeOnesCountAMD64(ssa.OpPopCount16, ssa.OpPopCount16),
sys.AMD64)
@ -3492,12 +3492,12 @@ func init() {
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpPopCount16, types.Types[TINT], args[0])
},
sys.ARM64, sys.S390X, sys.PPC64)
sys.ARM64, sys.S390X, sys.PPC64, sys.Wasm)
addF("math/bits", "OnesCount8",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpPopCount8, types.Types[TINT], args[0])
},
sys.S390X, sys.PPC64)
sys.S390X, sys.PPC64, sys.Wasm)
addF("math/bits", "OnesCount",
makeOnesCountAMD64(ssa.OpPopCount64, ssa.OpPopCount32),
sys.AMD64)

View File

@ -357,6 +357,31 @@
// Write barrier.
(WB {fn} destptr srcptr mem) -> (LoweredWB {fn} destptr srcptr mem)
// --- Intrinsics ---
(Sqrt x) -> (F64Sqrt x)
(Trunc x) -> (F64Trunc x)
(Ceil x) -> (F64Ceil x)
(Floor x) -> (F64Floor x)
(RoundToEven x) -> (F64Nearest x)
(Abs x) -> (F64Abs x)
(Copysign x y) -> (F64Copysign x y)
(Ctz64 x) -> (I64Ctz x)
(Ctz32 x) -> (I64Ctz (I64Or x (I64Const [0x100000000])))
(Ctz16 x) -> (I64Ctz (I64Or x (I64Const [0x10000])))
(Ctz8 x) -> (I64Ctz (I64Or x (I64Const [0x100])))
(Ctz(64|32|16|8)NonZero x) -> (I64Ctz x)
(BitLen64 x) -> (I64Sub (I64Const [64]) (I64Clz x))
(RotateLeft64 x y) -> (I64Rotl x y)
(PopCount64 x) -> (I64Popcnt x)
(PopCount32 x) -> (I64Popcnt (ZeroExt32to64 x))
(PopCount16 x) -> (I64Popcnt (ZeroExt16to64 x))
(PopCount8 x) -> (I64Popcnt (ZeroExt8to64 x))
// --- Optimizations ---
(I64Add (I64Const [x]) (I64Const [y])) -> (I64Const [x + y])
(I64Mul (I64Const [x]) (I64Const [y])) -> (I64Const [x * y])

View File

@ -191,6 +191,19 @@ func init() {
{name: "I64TruncF64U", asm: "I64TruncF64U", argLength: 1, reg: regInfo{inputs: []regMask{fp}, outputs: []regMask{gp}}, typ: "Int64"}, // truncates the float arg0 to an unsigned integer
{name: "F64ConvertI64S", asm: "F64ConvertI64S", argLength: 1, reg: regInfo{inputs: []regMask{gp}, outputs: []regMask{fp}}, typ: "Float64"}, // converts the signed integer arg0 to a float
{name: "F64ConvertI64U", asm: "F64ConvertI64U", argLength: 1, reg: regInfo{inputs: []regMask{gp}, outputs: []regMask{fp}}, typ: "Float64"}, // converts the unsigned integer arg0 to a float
{name: "F64Sqrt", asm: "F64Sqrt", argLength: 1, reg: fp11, typ: "Float64"}, // sqrt(arg0)
{name: "F64Trunc", asm: "F64Trunc", argLength: 1, reg: fp11, typ: "Float64"}, // trunc(arg0)
{name: "F64Ceil", asm: "F64Ceil", argLength: 1, reg: fp11, typ: "Float64"}, // ceil(arg0)
{name: "F64Floor", asm: "F64Floor", argLength: 1, reg: fp11, typ: "Float64"}, // floor(arg0)
{name: "F64Nearest", asm: "F64Nearest", argLength: 1, reg: fp11, typ: "Float64"}, // round(arg0)
{name: "F64Abs", asm: "F64Abs", argLength: 1, reg: fp11, typ: "Float64"}, // abs(arg0)
{name: "F64Copysign", asm: "F64Copysign", argLength: 2, reg: fp21, typ: "Float64"}, // copysign(arg0, arg1)
{name: "I64Ctz", asm: "I64Ctz", argLength: 1, reg: gp11, typ: "Int64"}, // ctz(arg0)
{name: "I64Clz", asm: "I64Clz", argLength: 1, reg: gp11, typ: "Int64"}, // clz(arg0)
{name: "I64Rotl", asm: "I64Rotl", argLength: 2, reg: gp21, typ: "Int64"}, // rotl(arg0, arg1)
{name: "I64Popcnt", asm: "I64Popcnt", argLength: 1, reg: gp11, typ: "Int64"}, // popcnt(arg0)
}
archs = append(archs, arch{

View File

@ -2094,6 +2094,17 @@ const (
OpWasmI64TruncF64U
OpWasmF64ConvertI64S
OpWasmF64ConvertI64U
OpWasmF64Sqrt
OpWasmF64Trunc
OpWasmF64Ceil
OpWasmF64Floor
OpWasmF64Nearest
OpWasmF64Abs
OpWasmF64Copysign
OpWasmI64Ctz
OpWasmI64Clz
OpWasmI64Rotl
OpWasmI64Popcnt
OpAdd8
OpAdd16
@ -28178,6 +28189,151 @@ var opcodeTable = [...]opInfo{
},
},
},
{
name: "F64Sqrt",
argLen: 1,
asm: wasm.AF64Sqrt,
reg: regInfo{
inputs: []inputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
outputs: []outputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
},
},
{
name: "F64Trunc",
argLen: 1,
asm: wasm.AF64Trunc,
reg: regInfo{
inputs: []inputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
outputs: []outputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
},
},
{
name: "F64Ceil",
argLen: 1,
asm: wasm.AF64Ceil,
reg: regInfo{
inputs: []inputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
outputs: []outputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
},
},
{
name: "F64Floor",
argLen: 1,
asm: wasm.AF64Floor,
reg: regInfo{
inputs: []inputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
outputs: []outputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
},
},
{
name: "F64Nearest",
argLen: 1,
asm: wasm.AF64Nearest,
reg: regInfo{
inputs: []inputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
outputs: []outputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
},
},
{
name: "F64Abs",
argLen: 1,
asm: wasm.AF64Abs,
reg: regInfo{
inputs: []inputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
outputs: []outputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
},
},
{
name: "F64Copysign",
argLen: 2,
asm: wasm.AF64Copysign,
reg: regInfo{
inputs: []inputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
{1, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
outputs: []outputInfo{
{0, 4294901760}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15
},
},
},
{
name: "I64Ctz",
argLen: 1,
asm: wasm.AI64Ctz,
reg: regInfo{
inputs: []inputInfo{
{0, 4295032831}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 SP
},
outputs: []outputInfo{
{0, 65535}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15
},
},
},
{
name: "I64Clz",
argLen: 1,
asm: wasm.AI64Clz,
reg: regInfo{
inputs: []inputInfo{
{0, 4295032831}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 SP
},
outputs: []outputInfo{
{0, 65535}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15
},
},
},
{
name: "I64Rotl",
argLen: 2,
asm: wasm.AI64Rotl,
reg: regInfo{
inputs: []inputInfo{
{0, 4295032831}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 SP
{1, 4295032831}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 SP
},
outputs: []outputInfo{
{0, 65535}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15
},
},
},
{
name: "I64Popcnt",
argLen: 1,
asm: wasm.AI64Popcnt,
reg: regInfo{
inputs: []inputInfo{
{0, 4295032831}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 SP
},
outputs: []outputInfo{
{0, 65535}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15
},
},
},
{
name: "Add8",

View File

@ -17,6 +17,8 @@ var _ = types.TypeMem // in case not otherwise used
func rewriteValueWasm(v *Value) bool {
switch v.Op {
case OpAbs:
return rewriteValueWasm_OpAbs_0(v)
case OpAdd16:
return rewriteValueWasm_OpAdd16_0(v)
case OpAdd32:
@ -43,6 +45,10 @@ func rewriteValueWasm(v *Value) bool {
return rewriteValueWasm_OpAnd8_0(v)
case OpAndB:
return rewriteValueWasm_OpAndB_0(v)
case OpBitLen64:
return rewriteValueWasm_OpBitLen64_0(v)
case OpCeil:
return rewriteValueWasm_OpCeil_0(v)
case OpClosureCall:
return rewriteValueWasm_OpClosureCall_0(v)
case OpCom16:
@ -71,6 +77,24 @@ func rewriteValueWasm(v *Value) bool {
return rewriteValueWasm_OpConstNil_0(v)
case OpConvert:
return rewriteValueWasm_OpConvert_0(v)
case OpCopysign:
return rewriteValueWasm_OpCopysign_0(v)
case OpCtz16:
return rewriteValueWasm_OpCtz16_0(v)
case OpCtz16NonZero:
return rewriteValueWasm_OpCtz16NonZero_0(v)
case OpCtz32:
return rewriteValueWasm_OpCtz32_0(v)
case OpCtz32NonZero:
return rewriteValueWasm_OpCtz32NonZero_0(v)
case OpCtz64:
return rewriteValueWasm_OpCtz64_0(v)
case OpCtz64NonZero:
return rewriteValueWasm_OpCtz64NonZero_0(v)
case OpCtz8:
return rewriteValueWasm_OpCtz8_0(v)
case OpCtz8NonZero:
return rewriteValueWasm_OpCtz8NonZero_0(v)
case OpCvt32Fto32:
return rewriteValueWasm_OpCvt32Fto32_0(v)
case OpCvt32Fto32U:
@ -143,6 +167,8 @@ func rewriteValueWasm(v *Value) bool {
return rewriteValueWasm_OpEqB_0(v)
case OpEqPtr:
return rewriteValueWasm_OpEqPtr_0(v)
case OpFloor:
return rewriteValueWasm_OpFloor_0(v)
case OpGeq16:
return rewriteValueWasm_OpGeq16_0(v)
case OpGeq16U:
@ -347,10 +373,22 @@ func rewriteValueWasm(v *Value) bool {
return rewriteValueWasm_OpOr8_0(v)
case OpOrB:
return rewriteValueWasm_OpOrB_0(v)
case OpPopCount16:
return rewriteValueWasm_OpPopCount16_0(v)
case OpPopCount32:
return rewriteValueWasm_OpPopCount32_0(v)
case OpPopCount64:
return rewriteValueWasm_OpPopCount64_0(v)
case OpPopCount8:
return rewriteValueWasm_OpPopCount8_0(v)
case OpRotateLeft64:
return rewriteValueWasm_OpRotateLeft64_0(v)
case OpRound32F:
return rewriteValueWasm_OpRound32F_0(v)
case OpRound64F:
return rewriteValueWasm_OpRound64F_0(v)
case OpRoundToEven:
return rewriteValueWasm_OpRoundToEven_0(v)
case OpRsh16Ux16:
return rewriteValueWasm_OpRsh16Ux16_0(v)
case OpRsh16Ux32:
@ -429,6 +467,8 @@ func rewriteValueWasm(v *Value) bool {
return rewriteValueWasm_OpSignExt8to64_0(v)
case OpSlicemask:
return rewriteValueWasm_OpSlicemask_0(v)
case OpSqrt:
return rewriteValueWasm_OpSqrt_0(v)
case OpStaticCall:
return rewriteValueWasm_OpStaticCall_0(v)
case OpStore:
@ -447,6 +487,8 @@ func rewriteValueWasm(v *Value) bool {
return rewriteValueWasm_OpSub8_0(v)
case OpSubPtr:
return rewriteValueWasm_OpSubPtr_0(v)
case OpTrunc:
return rewriteValueWasm_OpTrunc_0(v)
case OpTrunc16to8:
return rewriteValueWasm_OpTrunc16to8_0(v)
case OpTrunc32to16:
@ -536,6 +578,17 @@ func rewriteValueWasm(v *Value) bool {
}
return false
}
func rewriteValueWasm_OpAbs_0(v *Value) bool {
// match: (Abs x)
// cond:
// result: (F64Abs x)
for {
x := v.Args[0]
v.reset(OpWasmF64Abs)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpAdd16_0(v *Value) bool {
// match: (Add16 x y)
// cond:
@ -705,6 +758,35 @@ func rewriteValueWasm_OpAndB_0(v *Value) bool {
return true
}
}
func rewriteValueWasm_OpBitLen64_0(v *Value) bool {
b := v.Block
typ := &b.Func.Config.Types
// match: (BitLen64 x)
// cond:
// result: (I64Sub (I64Const [64]) (I64Clz x))
for {
x := v.Args[0]
v.reset(OpWasmI64Sub)
v0 := b.NewValue0(v.Pos, OpWasmI64Const, typ.Int64)
v0.AuxInt = 64
v.AddArg(v0)
v1 := b.NewValue0(v.Pos, OpWasmI64Clz, typ.Int64)
v1.AddArg(x)
v.AddArg(v1)
return true
}
}
func rewriteValueWasm_OpCeil_0(v *Value) bool {
// match: (Ceil x)
// cond:
// result: (F64Ceil x)
for {
x := v.Args[0]
v.reset(OpWasmF64Ceil)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpClosureCall_0(v *Value) bool {
// match: (ClosureCall [argwid] entry closure mem)
// cond:
@ -888,6 +970,128 @@ func rewriteValueWasm_OpConvert_0(v *Value) bool {
return true
}
}
func rewriteValueWasm_OpCopysign_0(v *Value) bool {
// match: (Copysign x y)
// cond:
// result: (F64Copysign x y)
for {
y := v.Args[1]
x := v.Args[0]
v.reset(OpWasmF64Copysign)
v.AddArg(x)
v.AddArg(y)
return true
}
}
func rewriteValueWasm_OpCtz16_0(v *Value) bool {
b := v.Block
typ := &b.Func.Config.Types
// match: (Ctz16 x)
// cond:
// result: (I64Ctz (I64Or x (I64Const [0x10000])))
for {
x := v.Args[0]
v.reset(OpWasmI64Ctz)
v0 := b.NewValue0(v.Pos, OpWasmI64Or, typ.Int64)
v0.AddArg(x)
v1 := b.NewValue0(v.Pos, OpWasmI64Const, typ.Int64)
v1.AuxInt = 0x10000
v0.AddArg(v1)
v.AddArg(v0)
return true
}
}
func rewriteValueWasm_OpCtz16NonZero_0(v *Value) bool {
// match: (Ctz16NonZero x)
// cond:
// result: (I64Ctz x)
for {
x := v.Args[0]
v.reset(OpWasmI64Ctz)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpCtz32_0(v *Value) bool {
b := v.Block
typ := &b.Func.Config.Types
// match: (Ctz32 x)
// cond:
// result: (I64Ctz (I64Or x (I64Const [0x100000000])))
for {
x := v.Args[0]
v.reset(OpWasmI64Ctz)
v0 := b.NewValue0(v.Pos, OpWasmI64Or, typ.Int64)
v0.AddArg(x)
v1 := b.NewValue0(v.Pos, OpWasmI64Const, typ.Int64)
v1.AuxInt = 0x100000000
v0.AddArg(v1)
v.AddArg(v0)
return true
}
}
func rewriteValueWasm_OpCtz32NonZero_0(v *Value) bool {
// match: (Ctz32NonZero x)
// cond:
// result: (I64Ctz x)
for {
x := v.Args[0]
v.reset(OpWasmI64Ctz)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpCtz64_0(v *Value) bool {
// match: (Ctz64 x)
// cond:
// result: (I64Ctz x)
for {
x := v.Args[0]
v.reset(OpWasmI64Ctz)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpCtz64NonZero_0(v *Value) bool {
// match: (Ctz64NonZero x)
// cond:
// result: (I64Ctz x)
for {
x := v.Args[0]
v.reset(OpWasmI64Ctz)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpCtz8_0(v *Value) bool {
b := v.Block
typ := &b.Func.Config.Types
// match: (Ctz8 x)
// cond:
// result: (I64Ctz (I64Or x (I64Const [0x100])))
for {
x := v.Args[0]
v.reset(OpWasmI64Ctz)
v0 := b.NewValue0(v.Pos, OpWasmI64Or, typ.Int64)
v0.AddArg(x)
v1 := b.NewValue0(v.Pos, OpWasmI64Const, typ.Int64)
v1.AuxInt = 0x100
v0.AddArg(v1)
v.AddArg(v0)
return true
}
}
func rewriteValueWasm_OpCtz8NonZero_0(v *Value) bool {
// match: (Ctz8NonZero x)
// cond:
// result: (I64Ctz x)
for {
x := v.Args[0]
v.reset(OpWasmI64Ctz)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpCvt32Fto32_0(v *Value) bool {
// match: (Cvt32Fto32 x)
// cond:
@ -1409,6 +1613,17 @@ func rewriteValueWasm_OpEqPtr_0(v *Value) bool {
return true
}
}
func rewriteValueWasm_OpFloor_0(v *Value) bool {
// match: (Floor x)
// cond:
// result: (F64Floor x)
for {
x := v.Args[0]
v.reset(OpWasmF64Floor)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpGeq16_0(v *Value) bool {
b := v.Block
typ := &b.Func.Config.Types
@ -3492,6 +3707,75 @@ func rewriteValueWasm_OpOrB_0(v *Value) bool {
return true
}
}
func rewriteValueWasm_OpPopCount16_0(v *Value) bool {
b := v.Block
typ := &b.Func.Config.Types
// match: (PopCount16 x)
// cond:
// result: (I64Popcnt (ZeroExt16to64 x))
for {
x := v.Args[0]
v.reset(OpWasmI64Popcnt)
v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
v0.AddArg(x)
v.AddArg(v0)
return true
}
}
func rewriteValueWasm_OpPopCount32_0(v *Value) bool {
b := v.Block
typ := &b.Func.Config.Types
// match: (PopCount32 x)
// cond:
// result: (I64Popcnt (ZeroExt32to64 x))
for {
x := v.Args[0]
v.reset(OpWasmI64Popcnt)
v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
v0.AddArg(x)
v.AddArg(v0)
return true
}
}
func rewriteValueWasm_OpPopCount64_0(v *Value) bool {
// match: (PopCount64 x)
// cond:
// result: (I64Popcnt x)
for {
x := v.Args[0]
v.reset(OpWasmI64Popcnt)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpPopCount8_0(v *Value) bool {
b := v.Block
typ := &b.Func.Config.Types
// match: (PopCount8 x)
// cond:
// result: (I64Popcnt (ZeroExt8to64 x))
for {
x := v.Args[0]
v.reset(OpWasmI64Popcnt)
v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
v0.AddArg(x)
v.AddArg(v0)
return true
}
}
func rewriteValueWasm_OpRotateLeft64_0(v *Value) bool {
// match: (RotateLeft64 x y)
// cond:
// result: (I64Rotl x y)
for {
y := v.Args[1]
x := v.Args[0]
v.reset(OpWasmI64Rotl)
v.AddArg(x)
v.AddArg(y)
return true
}
}
func rewriteValueWasm_OpRound32F_0(v *Value) bool {
// match: (Round32F x)
// cond:
@ -3515,6 +3799,17 @@ func rewriteValueWasm_OpRound64F_0(v *Value) bool {
return true
}
}
func rewriteValueWasm_OpRoundToEven_0(v *Value) bool {
// match: (RoundToEven x)
// cond:
// result: (F64Nearest x)
for {
x := v.Args[0]
v.reset(OpWasmF64Nearest)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpRsh16Ux16_0(v *Value) bool {
b := v.Block
typ := &b.Func.Config.Types
@ -4344,6 +4639,17 @@ func rewriteValueWasm_OpSlicemask_0(v *Value) bool {
return true
}
}
func rewriteValueWasm_OpSqrt_0(v *Value) bool {
// match: (Sqrt x)
// cond:
// result: (F64Sqrt x)
for {
x := v.Args[0]
v.reset(OpWasmF64Sqrt)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpStaticCall_0(v *Value) bool {
// match: (StaticCall [argwid] {target} mem)
// cond:
@ -4555,6 +4861,17 @@ func rewriteValueWasm_OpSubPtr_0(v *Value) bool {
return true
}
}
func rewriteValueWasm_OpTrunc_0(v *Value) bool {
// match: (Trunc x)
// cond:
// result: (F64Trunc x)
for {
x := v.Args[0]
v.reset(OpWasmF64Trunc)
v.AddArg(x)
return true
}
}
func rewriteValueWasm_OpTrunc16to8_0(v *Value) bool {
// match: (Trunc16to8 x)
// cond:

View File

@ -291,7 +291,7 @@ func ssaGenValueOnStack(s *gc.SSAGenState, v *ssa.Value) {
s.Prog(v.Op.Asm())
s.Prog(wasm.AI64ExtendI32U)
case ssa.OpWasmI64Add, ssa.OpWasmI64Sub, ssa.OpWasmI64Mul, ssa.OpWasmI64DivU, ssa.OpWasmI64RemS, ssa.OpWasmI64RemU, ssa.OpWasmI64And, ssa.OpWasmI64Or, ssa.OpWasmI64Xor, ssa.OpWasmI64Shl, ssa.OpWasmI64ShrS, ssa.OpWasmI64ShrU, ssa.OpWasmF64Add, ssa.OpWasmF64Sub, ssa.OpWasmF64Mul, ssa.OpWasmF64Div:
case ssa.OpWasmI64Add, ssa.OpWasmI64Sub, ssa.OpWasmI64Mul, ssa.OpWasmI64DivU, ssa.OpWasmI64RemS, ssa.OpWasmI64RemU, ssa.OpWasmI64And, ssa.OpWasmI64Or, ssa.OpWasmI64Xor, ssa.OpWasmI64Shl, ssa.OpWasmI64ShrS, ssa.OpWasmI64ShrU, ssa.OpWasmF64Add, ssa.OpWasmF64Sub, ssa.OpWasmF64Mul, ssa.OpWasmF64Div, ssa.OpWasmF64Copysign, ssa.OpWasmI64Rotl:
getValue64(s, v.Args[0])
getValue64(s, v.Args[1])
s.Prog(v.Op.Asm())
@ -317,7 +317,7 @@ func ssaGenValueOnStack(s *gc.SSAGenState, v *ssa.Value) {
p := s.Prog(wasm.ACall)
p.To = obj.Addr{Type: obj.TYPE_MEM, Name: obj.NAME_EXTERN, Sym: gc.WasmTruncU}
case ssa.OpWasmF64Neg, ssa.OpWasmF64ConvertI64S, ssa.OpWasmF64ConvertI64U:
case ssa.OpWasmF64Neg, ssa.OpWasmF64ConvertI64S, ssa.OpWasmF64ConvertI64U, ssa.OpWasmF64Sqrt, ssa.OpWasmF64Trunc, ssa.OpWasmF64Ceil, ssa.OpWasmF64Floor, ssa.OpWasmF64Nearest, ssa.OpWasmF64Abs, ssa.OpWasmI64Ctz, ssa.OpWasmI64Clz, ssa.OpWasmI64Popcnt:
getValue64(s, v.Args[0])
s.Prog(v.Op.Asm())

View File

@ -15,12 +15,14 @@ func approx(x float64) {
// arm64:"FRINTPD"
// ppc64:"FRIP"
// ppc64le:"FRIP"
// wasm:"F64Ceil"
sink64[0] = math.Ceil(x)
// s390x:"FIDBR\t[$]7"
// arm64:"FRINTMD"
// ppc64:"FRIM"
// ppc64le:"FRIM"
// wasm:"F64Floor"
sink64[1] = math.Floor(x)
// s390x:"FIDBR\t[$]1"
@ -33,10 +35,12 @@ func approx(x float64) {
// arm64:"FRINTZD"
// ppc64:"FRIZ"
// ppc64le:"FRIZ"
// wasm:"F64Trunc"
sink64[3] = math.Trunc(x)
// s390x:"FIDBR\t[$]4"
// arm64:"FRINTND"
// wasm:"F64Nearest"
sink64[4] = math.RoundToEven(x)
}
@ -47,6 +51,7 @@ func sqrt(x float64) float64 {
// arm/7:"SQRTD"
// mips/hardfloat:"SQRTD" mips/softfloat:-"SQRTD"
// mips64/hardfloat:"SQRTD" mips64/softfloat:-"SQRTD"
// wasm:"F64Sqrt"
return math.Sqrt(x)
}
@ -57,6 +62,7 @@ func abs(x, y float64) {
// s390x:"LPDFR\t",-"MOVD\t" (no integer load/store)
// ppc64:"FABS\t"
// ppc64le:"FABS\t"
// wasm:"F64Abs"
sink64[0] = math.Abs(x)
// amd64:"BTRQ\t[$]63","PXOR" (TODO: this should be BTSQ)
@ -78,6 +84,7 @@ func copysign(a, b, c float64) {
// s390x:"CPSDR",-"MOVD" (no integer load/store)
// ppc64:"FCPSGN"
// ppc64le:"FCPSGN"
// wasm:"F64Copysign"
sink64[0] = math.Copysign(a, b)
// amd64:"BTSQ\t[$]63"

View File

@ -17,6 +17,7 @@ func LeadingZeros(n uint) int {
// s390x:"FLOGR"
// arm:"CLZ" arm64:"CLZ"
// mips:"CLZ"
// wasm:"I64Clz"
return bits.LeadingZeros(n)
}
@ -25,6 +26,7 @@ func LeadingZeros64(n uint64) int {
// s390x:"FLOGR"
// arm:"CLZ" arm64:"CLZ"
// mips:"CLZ"
// wasm:"I64Clz"
return bits.LeadingZeros64(n)
}
@ -33,6 +35,7 @@ func LeadingZeros32(n uint32) int {
// s390x:"FLOGR"
// arm:"CLZ" arm64:"CLZW"
// mips:"CLZ"
// wasm:"I64Clz"
return bits.LeadingZeros32(n)
}
@ -41,6 +44,7 @@ func LeadingZeros16(n uint16) int {
// s390x:"FLOGR"
// arm:"CLZ" arm64:"CLZ"
// mips:"CLZ"
// wasm:"I64Clz"
return bits.LeadingZeros16(n)
}
@ -49,6 +53,7 @@ func LeadingZeros8(n uint8) int {
// s390x:"FLOGR"
// arm:"CLZ" arm64:"CLZ"
// mips:"CLZ"
// wasm:"I64Clz"
return bits.LeadingZeros8(n)
}
@ -61,6 +66,7 @@ func Len(n uint) int {
// s390x:"FLOGR"
// arm:"CLZ" arm64:"CLZ"
// mips:"CLZ"
// wasm:"I64Clz"
return bits.Len(n)
}
@ -69,6 +75,7 @@ func Len64(n uint64) int {
// s390x:"FLOGR"
// arm:"CLZ" arm64:"CLZ"
// mips:"CLZ"
// wasm:"I64Clz"
return bits.Len64(n)
}
@ -77,6 +84,7 @@ func Len32(n uint32) int {
// s390x:"FLOGR"
// arm:"CLZ" arm64:"CLZ"
// mips:"CLZ"
// wasm:"I64Clz"
return bits.Len32(n)
}
@ -85,6 +93,7 @@ func Len16(n uint16) int {
// s390x:"FLOGR"
// arm:"CLZ" arm64:"CLZ"
// mips:"CLZ"
// wasm:"I64Clz"
return bits.Len16(n)
}
@ -93,6 +102,7 @@ func Len8(n uint8) int {
// s390x:"FLOGR"
// arm:"CLZ" arm64:"CLZ"
// mips:"CLZ"
// wasm:"I64Clz"
return bits.Len8(n)
}
@ -106,6 +116,7 @@ func OnesCount(n uint) int {
// s390x:"POPCNT"
// ppc64:"POPCNTD"
// ppc64le:"POPCNTD"
// wasm:"I64Popcnt"
return bits.OnesCount(n)
}
@ -115,6 +126,7 @@ func OnesCount64(n uint64) int {
// s390x:"POPCNT"
// ppc64:"POPCNTD"
// ppc64le:"POPCNTD"
// wasm:"I64Popcnt"
return bits.OnesCount64(n)
}
@ -124,6 +136,7 @@ func OnesCount32(n uint32) int {
// s390x:"POPCNT"
// ppc64:"POPCNTW"
// ppc64le:"POPCNTW"
// wasm:"I64Popcnt"
return bits.OnesCount32(n)
}
@ -133,6 +146,7 @@ func OnesCount16(n uint16) int {
// s390x:"POPCNT"
// ppc64:"POPCNTW"
// ppc64le:"POPCNTW"
// wasm:"I64Popcnt"
return bits.OnesCount16(n)
}
@ -140,6 +154,7 @@ func OnesCount8(n uint8) int {
// s390x:"POPCNT"
// ppc64:"POPCNTB"
// ppc64le:"POPCNTB"
// wasm:"I64Popcnt"
return bits.OnesCount8(n)
}
@ -187,6 +202,7 @@ func RotateLeft64(n uint64) uint64 {
// ppc64:"ROTL"
// ppc64le:"ROTL"
// s390x:"RLLG"
// wasm:"I64Rotl"
return bits.RotateLeft64(n, 37)
}
@ -246,6 +262,7 @@ func TrailingZeros(n uint) int {
// s390x:"FLOGR"
// ppc64:"ANDN","POPCNTD"
// ppc64le:"ANDN","POPCNTD"
// wasm:"I64Ctz"
return bits.TrailingZeros(n)
}
@ -255,6 +272,7 @@ func TrailingZeros64(n uint64) int {
// s390x:"FLOGR"
// ppc64:"ANDN","POPCNTD"
// ppc64le:"ANDN","POPCNTD"
// wasm:"I64Ctz"
return bits.TrailingZeros64(n)
}
@ -264,6 +282,7 @@ func TrailingZeros32(n uint32) int {
// s390x:"FLOGR","MOVWZ"
// ppc64:"ANDN","POPCNTW"
// ppc64le:"ANDN","POPCNTW"
// wasm:"I64Ctz"
return bits.TrailingZeros32(n)
}
@ -273,6 +292,7 @@ func TrailingZeros16(n uint16) int {
// s390x:"FLOGR","OR\t\\$65536"
// ppc64:"POPCNTD","OR\\t\\$65536"
// ppc64le:"POPCNTD","OR\\t\\$65536"
// wasm:"I64Ctz"
return bits.TrailingZeros16(n)
}
@ -280,6 +300,7 @@ func TrailingZeros8(n uint8) int {
// amd64:"BSFL","BTSL\\t\\$8"
// arm64:"ORR\t\\$256","RBITW","CLZW",-"MOVBU\tR",-"RBIT\t",-"CLZ\t"
// s390x:"FLOGR","OR\t\\$256"
// wasm:"I64Ctz"
return bits.TrailingZeros8(n)
}

View File

@ -1385,6 +1385,7 @@ var (
"ppc64": {"GOPPC64", "power8", "power9"},
"ppc64le": {"GOPPC64", "power8", "power9"},
"s390x": {},
"wasm": {},
}
)
@ -1463,6 +1464,9 @@ func (t *test) wantedAsmOpcodes(fn string) asmChecks {
os, arch, subarch = "linux", archspec[0], archspec[1][1:]
default: // 1 component: "386"
os, arch, subarch = "linux", archspec[0], ""
if arch == "wasm" {
os = "js"
}
}
if _, ok := archVariants[arch]; !ok {