RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

mathops/x86: work around inline asm miscompilation with GCC 4.8.1 

The volatile is not required here, and prevents a miscompilation with GCC
4.8.1 when building on x86 with --cpu=i686

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 659df32a9d)
This commit is contained in:
Hendrik Leppkes 2013-06-15 22:46:01 +02:00 committed by Carl Eugen Hoyos
parent 8ddc9790ed
commit 5e6135f68d
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/x86/mathops.h
View File

@ -72,7 +72,7 @@ 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) static inline av_const int mid_pred(int a, int b, int c)
{ {
int i=b; int i=b;
__asm__ volatile( __asm__ (
"cmp %2, %1 \n\t" "cmp %2, %1 \n\t"
"cmovg %1, %0 \n\t" "cmovg %1, %0 \n\t"
"cmovg %2, %1 \n\t" "cmovg %2, %1 \n\t"