// 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.// +build 386 amd64 amd64p32// +build !gccgopackagecpu// cpuid is implemented in cpu_x86.s for gc compiler// and in cpu_gccgo.c for gccgo.funccpuid(eaxArg,ecxArguint32)(eax,ebx,ecx,edxuint32)// xgetbv with ecx = 0 is implemented in cpu_x86.s for gc compiler// and in cpu_gccgo.c for gccgo.funcxgetbv()(eax,edxuint32)