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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2014-05-30 13:53:58 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2014-05-30 13:53:58 +0000 |
| commit | 7480a39b770374d5355c60804dd8cc99a8a65a83 (patch) | |
| tree | 954341b1f6de0160a743a741c85a9d5a24b7f482 | |
| parent | ecd5543ffa4648505979d4e0b90118273acf6c17 (diff) | |
| download | gcc-7480a39b770374d5355c60804dd8cc99a8a65a83.zip gcc-7480a39b770374d5355c60804dd8cc99a8a65a83.tar.gz gcc-7480a39b770374d5355c60804dd8cc99a8a65a83.tar.bz2 | |
runtime: Use _mm_pause rather than __builtin_ia32_pause.
Based on a patch from Peter Collingbourne.
From-SVN: r211081
| -rw-r--r-- | libgo/runtime/yield.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libgo/runtime/yield.c b/libgo/runtime/yield.c index 5c47719..442d346 100644 --- a/libgo/runtime/yield.c +++ b/libgo/runtime/yield.c @@ -14,6 +14,10 @@ #include <sys/select.h> #endif +#if defined (__i386__) || defined (__x86_64__) +#include <xmmintrin.h> +#endif + #include "runtime.h" /* Spin wait. */ @@ -26,7 +30,7 @@ runtime_procyield (uint32 cnt) for (i = 0; i < cnt; ++i) { #if defined (__i386__) || defined (__x86_64__) - __builtin_ia32_pause (); + _mm_pause (); #endif } } |