[FFmpeg-devel] [PATCH/RFC] mathops/x86: work around inline asm miscompilation with GCC 4.8.1
Hendrik Leppkes
h.leppkes at gmail.com
Sat Jun 15 22:46:01 CEST 2013
The volatile is not required here, and prevents a miscompilation with GCC
4.8.1 when building on x86 with --cpu=i686
---
libavcodec/x86/mathops.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/x86/mathops.h b/libavcodec/x86/mathops.h
index e8eb274..9c48afe 100644
--- a/libavcodec/x86/mathops.h
+++ b/libavcodec/x86/mathops.h
@@ -74,7 +74,7 @@ static av_always_inline av_const int64_t MUL64(int a, int b)
static inline av_const int mid_pred(int a, int b, int c)
{
int i=b;
- __asm__ volatile(
+ __asm__ (
"cmp %2, %1 \n\t"
"cmovg %1, %0 \n\t"
"cmovg %2, %1 \n\t"
--
1.8.3.msysgit.0
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