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📄 cpu.go(6.85 KB)
📄 cpu.s(276 B)
📄 cpu_arm.go(1.26 KB)
📄 cpu_arm64.go(1.64 KB)
📄 cpu_arm64.s(439 B)
📄 cpu_arm64_android.go(231 B)
📄 cpu_arm64_darwin.go(1014 B)
📄 cpu_arm64_freebsd.go(322 B)
📄 cpu_arm64_hwcap.go(2.15 KB)
📄 cpu_arm64_linux.go(250 B)
📄 cpu_arm64_openbsd.go(574 B)
📄 cpu_arm64_other.go(466 B)
📄 cpu_loong64.go(398 B)
📄 cpu_mips.go(220 B)
📄 cpu_mips64x.go(671 B)
📄 cpu_mipsle.go(220 B)
📄 cpu_no_name.go(620 B)
📄 cpu_ppc64x.go(651 B)
📄 cpu_ppc64x_aix.go(603 B)
📄 cpu_ppc64x_linux.go(885 B)
📄 cpu_ppc64x_other.go(423 B)
📄 cpu_riscv64.go(220 B)
📄 cpu_s390x.go(5.88 KB)
📄 cpu_s390x.s(2.2 KB)
📄 cpu_s390x_test.go(1.43 KB)
📄 cpu_test.go(1.4 KB)
📄 cpu_wasm.go(220 B)
📄 cpu_x86.go(5.81 KB)
📄 cpu_x86.s(831 B)
📄 cpu_x86_test.go(1.37 KB)
📄 export_test.go(200 B)
📄 export_x86_test.go(241 B)

Editing: cpu_x86_test.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 TestX86ifAVX512FhasAVX2(t *testing.T) {
	if X86.HasAVX512F && !X86.HasAVX2 {
		t.Fatalf("HasAVX2 expected true when HasAVX512F is true, got false")
	}
}

func TestX86ifAVX512BWhasAVX512F(t *testing.T) {
	if X86.HasAVX512BW && !X86.HasAVX512F {
		t.Fatalf("HasAVX512F expected true when HasAVX512BW is true, got false")
	}
}

func TestX86ifAVX512VLhasAVX512F(t *testing.T) {
	if X86.HasAVX512VL && !X86.HasAVX512F {
		t.Fatalf("HasAVX512F expected true when HasAVX512VL is true, got false")
	}
}

func TestDisableSSE3(t *testing.T) {
	if GetGOAMD64level() > 1 {
		t.Skip("skipping test: can't run on GOAMD64>v1 machines")
	}
	runDebugOptionsTest(t, "TestSSE3DebugOption", "cpu.sse3=off")
}

func TestSSE3DebugOption(t *testing.T) {
	MustHaveDebugOptionsSupport(t)

if godebug.New("#cpu.sse3").Value() != "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)
	}
}

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Editing: cpu_x86_test.go

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