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d6492e284b
Replace \s with a space in backtick-quoted strings Replace \\s with a space in double-quoted strings Change-Id: I0c8b249bb12c2c8ca69e683e4bc6f27544fd6094 Reviewed-on: https://go-review.googlesource.com/c/go/+/760680 Auto-Submit: Keith Randall <khr@google.com> Reviewed-by: Junyang Shao <shaojunyang@google.com> Reviewed-by: Paul Murphy <paumurph@redhat.com> Reviewed-by: Keith Randall <khr@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
113 lines
2.6 KiB
Go
113 lines
2.6 KiB
Go
// asmcheck
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// Copyright 2025 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// These tests check code generation of simd peephole optimizations.
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//go:build goexperiment.simd && amd64
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package codegen
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import (
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"math"
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"simd/archsimd"
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)
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func vptest1() bool {
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v1 := archsimd.LoadUint64x2Slice([]uint64{0, 1})
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v2 := archsimd.LoadUint64x2Slice([]uint64{0, 0})
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// amd64:`VPTEST (.*)(.*)$`
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// amd64:`SETCS (.*)$`
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return v1.AndNot(v2).IsZero()
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}
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func vptest2() bool {
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v1 := archsimd.LoadUint64x2Slice([]uint64{0, 1})
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v2 := archsimd.LoadUint64x2Slice([]uint64{0, 0})
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// amd64:`VPTEST (.*)(.*)$`
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// amd64:`SETEQ (.*)$`
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return v1.And(v2).IsZero()
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}
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type Args2 struct {
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V0 archsimd.Uint8x32
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V1 archsimd.Uint8x32
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x string
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}
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//go:noinline
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func simdStructNoSpill(a Args2) archsimd.Uint8x32 {
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// amd64:-`VMOVDQU .*$`
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return a.V0.Xor(a.V1)
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}
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func simdStructWrapperNoSpill(a Args2) archsimd.Uint8x32 {
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// amd64:-`VMOVDQU .*$`
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a.x = "test"
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return simdStructNoSpill(a)
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}
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//go:noinline
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func simdArrayNoSpill(a [1]Args2) archsimd.Uint8x32 {
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// amd64:-`VMOVDQU .*$`
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return a[0].V0.Xor(a[0].V1)
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}
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func simdArrayWrapperNoSpill(a [1]Args2) archsimd.Uint8x32 {
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// amd64:-`VMOVDQU .*$`
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a[0].x = "test"
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return simdArrayNoSpill(a)
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}
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func simdFeatureGuardedMaskOpt() archsimd.Int16x16 {
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var x, y archsimd.Int16x16
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if archsimd.X86.AVX512() {
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mask := archsimd.Mask16x16FromBits(5)
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return x.Add(y).Masked(mask) // amd64:`VPADDW.Z .*$`
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}
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mask := archsimd.Mask16x16FromBits(5)
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return x.Add(y).Masked(mask) // amd64:`VPAND .*$`
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}
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func simdMaskedMerge() archsimd.Int16x16 {
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var x, y archsimd.Int16x16
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if archsimd.X86.AVX512() {
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mask := archsimd.Mask16x16FromBits(5)
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return x.Add(y).Merge(x, mask) // amd64:-`VPBLENDVB .*$`
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}
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mask := archsimd.Mask16x16FromBits(5)
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return x.Add(y).Merge(x, mask) // amd64:`VPBLENDVB .*$`
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}
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var nan = math.NaN()
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var floats64s = []float64{0, 1, 2, nan, 4, nan, 6, 7, 8, 9, 10, 11, nan, 13, 14, 15}
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var sinkInt64s = make([]int64, 100)
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func simdIsNaN() {
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x := archsimd.LoadFloat64x4Slice(floats64s)
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y := archsimd.LoadFloat64x4Slice(floats64s[4:])
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a := x.IsNaN()
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b := y.IsNaN()
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// amd64:"VCMPPD [$]3," -"VPOR"
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c := a.Or(b)
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c.ToInt64x4().StoreSlice(sinkInt64s)
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}
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func simdIsNaN512() {
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x := archsimd.LoadFloat64x8Slice(floats64s)
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y := archsimd.LoadFloat64x8Slice(floats64s[8:])
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a := x.IsNaN()
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b := y.IsNaN()
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// amd64:"VCMPPD [$]3," -"VPOR"
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c := a.Or(b)
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c.ToInt64x8().StoreSlice(sinkInt64s)
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}
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func sftImmVPSRL() archsimd.Uint32x4 {
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var x archsimd.Uint32x4
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// amd64:`VPSRLD \$1, .*$`
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return x.ShiftAllRight(1)
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}
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