ref: 05d9421e8b56a41501d810726d934dcfc94a56e3
parent: c619f6cb0f16d083a290168c8613f8e506a9fd27
parent: 8e87d58712e4c4434c45264573c51af20d136c2a
author: Yaowu Xu <yaowu@google.com>
date: Mon Apr 18 05:53:26 EDT 2011
Merge "Add spin-wait pause intrinsic for Windows x64 platform."
--- a/vpx_ports/x86.h
+++ b/vpx_ports/x86.h
@@ -151,8 +151,8 @@
__asm__ __volatile__ ("pause \n\t")#else
#if ARCH_X86_64
-/* No pause intrinsic for windows x64 */
-#define x86_pause_hint()
+#define x86_pause_hint()\
+ _mm_pause();
#else
#define x86_pause_hint()\
__asm pause
--
⑨