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[dev.simd] cmd/compile: optimize VPTEST for 2-operand cases

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Change-Id: Ica2d5ee48082c69e86b12b519ba8df7a2556392f
Reviewed-on: https://go-review.googlesource.com/c/go/+/704355
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
This commit is contained in:
Junyang Shao 2025-09-16 17:27:36 +00:00
parent f1e3651c33
commit e34ad6de42
3 changed files with 407 additions and 0 deletions
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29
test/codegen/simd.go Normal file
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// asmcheck
// Copyright 2025 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// These tests check code generation of simd peephole optimizations.
//go:build goexperiment.simd
package codegen
import "simd"
func vptest1() bool {
v1 := simd.LoadUint64x2Slice([]uint64{0, 1})
v2 := simd.LoadUint64x2Slice([]uint64{0, 0})
// amd64:`VPTEST\s(.*)(.*)$`
// amd64:`SETCS\s(.*)$`
return v1.AndNot(v2).IsZero()
}
func vptest2() bool {
v1 := simd.LoadUint64x2Slice([]uint64{0, 1})
v2 := simd.LoadUint64x2Slice([]uint64{0, 0})
// amd64:`VPTEST\s(.*)(.*)$`
// amd64:`SETEQ\s(.*)$`
return v1.And(v2).IsZero()
}