src/cmd/dist/cpuid_default.s - go - Git at Google

 // Copyright 2015 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,!gccgo

 #include "textflag.h"

 TEXT ·cpuid(SB),NOSPLIT,$0-0
 	RET
	// Copyright 2015 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,!gccgo

	#include "textflag.h"

	TEXT ·cpuid(SB),NOSPLIT,$0-0
	RET