Server : LiteSpeed System : Linux in-mum-web1333.main-hosting.eu 4.18.0-553.37.1.lve.el8.x86_64 #1 SMP Mon Feb 10 22:45:17 UTC 2025 x86_64 User : u141265441 ( 141265441) PHP Version : 8.4.3 Disable Function : system, exec, shell_exec, passthru, mysql_list_dbs, ini_alter, dl, symlink, link, chgrp, leak, popen, apache_child_terminate, virtual, mb_send_mail Directory :  /proc/self/root/opt/golang/1.22.0/src/internal/cpu/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

// 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)
	}
}