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go/src/cmd/dist/util_gccgo.go
Shenghou Ma 3a369a0f59 cmd/dist: add -check-armv6k command to check for ARMv6K
so that our release note can reference a simple command to check if
the processor implements ARMv6K or not.

Updates #17082.

Change-Id: I9ca52051e5517394a7cd6b778fb822c3ee435f84
Reviewed-on: https://go-review.googlesource.com/33686
Run-TryBot: Minux Ma <minux@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2016-12-01 07:17:38 +00:00

27 lines
457 B
Go

// 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 gccgo
package main
/*
int supports_sse2() {
#if defined(__i386__) || defined(__x86_64__)
return __builtin_cpu_supports("sse2");
#else
return 0;
#endif
}
*/
import "C"
func cansse2() bool { return C.supports_sse2() != 0 }
func useVFPv1() {}
func useVFPv3() {}
func useARMv6K() {}