From 836098f6b2dd275a2f557780d094cde13471f49d Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Fri, 9 Aug 2013 17:29:52 +0200 Subject: [PATCH] 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 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/gallium/auxiliary/util/u_cpu_detect.c b/src/gallium/auxiliary/util/u_cpu_detect.c index 3b36993dcc1..87ad780951e 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 -- 2.30.2