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| author | Richard Musiol <mail@richard-musiol.de> | 2019-03-05 01:56:17 +0100 |
|---|---|---|
| committer | Brad Fitzpatrick <bradfitz@golang.org> | 2019-03-14 19:46:19 +0000 |
| commit | 5ee1b849592787ed050ef3fbd9b2c58aabd20ff3 (patch) | |
| tree | 50df3ba82b50ebe09d1fe252b490806be16a1648 /src/cmd/compile/internal/wasm | |
| parent | aa193c0b9623acd7397c0799ffc9efe5845216b2 (diff) | |
| download | go-5ee1b849592787ed050ef3fbd9b2c58aabd20ff3.tar.gz go-5ee1b849592787ed050ef3fbd9b2c58aabd20ff3.zip | |
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>
Diffstat (limited to 'src/cmd/compile/internal/wasm')
| -rw-r--r-- | src/cmd/compile/internal/wasm/ssa.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/wasm/ssa.go b/src/cmd/compile/internal/wasm/ssa.go index 604c88247f..d2ac2df613 100644 --- a/src/cmd/compile/internal/wasm/ssa.go +++ b/src/cmd/compile/internal/wasm/ssa.go @@ -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()) |