diff options
| author | Shenghou Ma <minux@golang.org> | 2015-04-13 15:50:56 -0400 |
|---|---|---|
| committer | Minux Ma <minux@golang.org> | 2015-04-13 23:27:35 +0000 |
| commit | ce43e1fec875ed92bf3d4ee7b7f81aed30a617f7 (patch) | |
| tree | 43f6913ff82f683d1e7bdee450119163c810a6ee | |
| parent | 41e9f8c4ed50f52849326eef3ed1106051806b87 (diff) | |
| download | go-ce43e1fec875ed92bf3d4ee7b7f81aed30a617f7.tar.xz | |
cmd/dist: detect sse2 even with gccgo
Change-Id: Idfb20bfe130d9a54d9f5aae8eab8a34655d30610
Reviewed-on: https://go-review.googlesource.com/8865
Reviewed-by: Ian Lance Taylor <iant@golang.org>
| -rw-r--r-- | src/cmd/dist/util_gccgo.go | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/cmd/dist/util_gccgo.go b/src/cmd/dist/util_gccgo.go index f680e7b649..14ac70bca5 100644 --- a/src/cmd/dist/util_gccgo.go +++ b/src/cmd/dist/util_gccgo.go @@ -6,4 +6,15 @@ package main -func cansse2() bool { return false } +/* +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 } |