gcc/libgo/go/internal/cpu/cpu_x86_test.go
Ian Lance Taylor 8dc2499aa6 libgo: update to Go1.18beta2
gotools/
	* Makefile.am (go_cmd_cgo_files): Add ast_go118.go
	(check-go-tool): Copy golang.org/x/tools directories.
	* Makefile.in: Regenerate.

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/384695
2022-02-11 15:01:19 -08:00

36 lines
803 B
Go

// Copyright 2018 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.
//go:build 386 || amd64
package cpu_test
import (
. "internal/cpu"
"internal/godebug"
"testing"
)
func TestX86ifAVX2hasAVX(t *testing.T) {
if X86.HasAVX2 && !X86.HasAVX {
t.Fatalf("HasAVX expected true when HasAVX2 is true, got false")
}
}
func TestDisableSSE3(t *testing.T) {
runDebugOptionsTest(t, "TestSSE3DebugOption", "cpu.sse3=off")
}
func TestSSE3DebugOption(t *testing.T) {
MustHaveDebugOptionsSupport(t)
if godebug.Get("cpu.sse3") != "off" {
t.Skipf("skipping test: GODEBUG=cpu.sse3=off not set")
}
want := false
if got := X86.HasSSE3; got != want {
t.Errorf("X86.HasSSE3 expected %v, got %v", want, got)
}
}