Home | History | Annotate | Download | only in cpu 
      1 // Copyright 2017 The Go Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style
      3 // license that can be found in the LICENSE file.
      4 
      5 package cpu_test
      6 
      7 import (
      8 	"internal/cpu"
      9 	"runtime"
     10 	"testing"
     11 )
     12 
     13 func TestAMD64minimalFeatures(t *testing.T) {
     14 	if runtime.GOARCH == "amd64" {
     15 		if !cpu.X86.HasSSE2 {
     16 			t.Fatalf("HasSSE2 expected true, got false")
     17 		}
     18 	}
     19 }
     20 
     21 func TestAVX2hasAVX(t *testing.T) {
     22 	if runtime.GOARCH == "amd64" {
     23 		if cpu.X86.HasAVX2 && !cpu.X86.HasAVX {
     24 			t.Fatalf("HasAVX expected true, got false")
     25 		}
     26 	}
     27 }
     28 
     29 func TestPPC64minimalFeatures(t *testing.T) {
     30 	if runtime.GOARCH == "ppc64" || runtime.GOARCH == "ppc64le" {
     31 		if !cpu.PPC64.IsPOWER8 {
     32 			t.Fatalf("IsPOWER8 expected true, got false")
     33 		}
     34 		if !cpu.PPC64.HasVMX {
     35 			t.Fatalf("HasVMX expected true, got false")
     36 		}
     37 		if !cpu.PPC64.HasDFP {
     38 			t.Fatalf("HasDFP expected true, got false")
     39 		}
     40 		if !cpu.PPC64.HasVSX {
     41 			t.Fatalf("HasVSX expected true, got false")
     42 		}
     43 		if !cpu.PPC64.HasISEL {
     44 			t.Fatalf("HasISEL expected true, got false")
     45 		}
     46 		if !cpu.PPC64.HasVCRYPTO {
     47 			t.Fatalf("HasVCRYPTO expected true, got false")
     48 		}
     49 	}
     50 }
     51