Module: Mesa
Branch: master
Commit: 836098f6b2dd275a2f557780d094cde13471f49d
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=836098f6b2dd275a2f557780d094cde13471f49d
Author: Roland Scheidegger <srol...@vmware.com>
Date: Fri Aug 9 17:29:52 2013 +0200
util: (trivial) fix asm input/output list for fxsave
Otherwise gcc might do very unsafe optimizations, spotted by Uros Bizjak.
Hopefully this time it's finally right?
---
src/gallium/auxiliary/util/u_cpu_detect.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/gallium/auxiliary/util/u_cpu_detect.c
b/src/gallium/auxiliary/util/u_cpu_detect.c
index 3b36993..87ad780 100644
--- a/src/gallium/auxiliary/util/u_cpu_detect.c
+++ b/src/gallium/auxiliary/util/u_cpu_detect.c
@@ -244,7 +244,7 @@ static INLINE boolean sse2_has_daz(void)
fxarea.mxcsr_mask = 0;
#if (defined(PIPE_CC_GCC) || defined(PIPE_CC_SUNPRO))
- __asm __volatile ("fxsave %0" :: "m" (fxarea));
+ __asm __volatile ("fxsave %0" : "+m" (fxarea));
#elif (defined(PIPE_CC_MSVC) || defined(PIPE_CC_ICL))
_fxsave(&fxarea);
#endif
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