mirror of
https://github.com/golang/sys.git
synced 2026-01-29 07:02:06 +03:00
b8f7da6c5a
Except for lasx, all other features have been implemented in the Go mainline. Change-Id: I61a09396ed23d17991b641a1265e952585cb5636 Reviewed-on: https://go-review.googlesource.com/c/sys/+/655355 Reviewed-by: David Chase <drchase@google.com> Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Junyang Shao <shaojunyang@google.com> Reviewed-by: Meidan Li <limeidan@loongson.cn>
127 lines
2.9 KiB
Go
127 lines
2.9 KiB
Go
// Copyright 2018 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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package cpu_test
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import (
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"runtime"
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"testing"
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"golang.org/x/sys/cpu"
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)
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func TestAMD64minimalFeatures(t *testing.T) {
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if runtime.GOARCH == "amd64" {
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if !cpu.Initialized {
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t.Fatal("Initialized expected true, got false")
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}
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if !cpu.X86.HasSSE2 {
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t.Fatal("HasSSE2 expected true, got false")
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}
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}
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}
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func TestAVX2hasAVX(t *testing.T) {
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if runtime.GOARCH == "amd64" {
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if cpu.X86.HasAVX2 && !cpu.X86.HasAVX {
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t.Fatal("HasAVX expected true, got false")
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}
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}
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}
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func TestAVX512HasAVX2AndAVX(t *testing.T) {
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if runtime.GOARCH == "amd64" {
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if cpu.X86.HasAVX512 && !cpu.X86.HasAVX {
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t.Fatal("HasAVX expected true, got false")
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}
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if cpu.X86.HasAVX512 && !cpu.X86.HasAVX2 {
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t.Fatal("HasAVX2 expected true, got false")
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}
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}
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}
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func TestAVX512BF16HasAVX512(t *testing.T) {
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if runtime.GOARCH == "amd64" {
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if cpu.X86.HasAVX512BF16 && !cpu.X86.HasAVX512 {
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t.Fatal("HasAVX512 expected true, got false")
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}
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}
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}
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func TestAVXVNNIHasAVX(t *testing.T) {
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if cpu.X86.HasAVXVNNI && !cpu.X86.HasAVX {
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t.Fatal("HasAVX expected true, got false")
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}
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}
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func TestAVXIFMAHasAVXVNNIAndAVX(t *testing.T) {
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if cpu.X86.HasAVXIFMA && !cpu.X86.HasAVX {
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t.Fatal("HasAVX expected true, got false")
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}
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if cpu.X86.HasAVXIFMA && !cpu.X86.HasAVXVNNI {
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t.Fatal("HasAVXVNNI expected true, got false")
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}
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}
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func TestAVXVNNIInt8HasAVXVNNIAndAVX(t *testing.T) {
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if cpu.X86.HasAVXVNNIInt8 && !cpu.X86.HasAVXVNNI {
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t.Fatal("HasAVXVNNI expected true, got false")
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}
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if cpu.X86.HasAVXVNNIInt8 && !cpu.X86.HasAVX {
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t.Fatal("HasAVX expected true, got false")
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}
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}
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func TestARM64minimalFeatures(t *testing.T) {
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if runtime.GOARCH != "arm64" || runtime.GOOS == "ios" {
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return
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}
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if !cpu.ARM64.HasASIMD {
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t.Fatal("HasASIMD expected true, got false")
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}
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if !cpu.ARM64.HasFP {
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t.Fatal("HasFP expected true, got false")
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}
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}
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func TestLOONG64Initialized(t *testing.T) {
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if runtime.GOARCH == "loong64" {
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if !cpu.Initialized {
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t.Fatal("Initialized expected true, got false")
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}
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}
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}
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func TestMIPS64Initialized(t *testing.T) {
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if runtime.GOARCH == "mips64" || runtime.GOARCH == "mips64le" {
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if !cpu.Initialized {
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t.Fatal("Initialized expected true, got false")
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}
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}
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}
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func TestRISCV64Initialized(t *testing.T) {
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if runtime.GOARCH == "riscv64" {
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if !cpu.Initialized {
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t.Fatal("Initialized expected true, got false")
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}
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}
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}
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// On ppc64x, the ISA bit for POWER8 should always be set on POWER8 and beyond.
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func TestPPC64minimalFeatures(t *testing.T) {
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// Do not run this with gccgo on ppc64, as it doesn't have POWER8 as a minimum
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// requirement.
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if runtime.Compiler == "gccgo" && runtime.GOARCH == "ppc64" {
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t.Skip("gccgo does not require POWER8 on ppc64; skipping")
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}
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if runtime.GOARCH == "ppc64" || runtime.GOARCH == "ppc64le" {
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if !cpu.PPC64.IsPOWER8 {
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t.Fatal("IsPOWER8 expected true, got false")
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}
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}
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}
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