1 // Copyright 2015 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 // +build !gccgo 6 7 package main 8 9 func cpuid(info *[4]uint32, ax uint32) 10 11 func cansse2() bool { 12 if gohostarch != "386" && gohostarch != "amd64" { 13 return false 14 } 15 16 var info [4]uint32 17 cpuid(&info, 1) 18 return info[3]&(1<<26) != 0 // SSE2 19 } 20