ffmpeg/FFmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-09-20 05:16:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add explicit (int) cast to i386 optimized MUL* macros.

Browse Source 
Wrong result is returned when 16-bit value is passed as value.
Also fixes "Warning: using `%edx' instead of `%dx' due to `l' suffix".

Originally committed as revision 14981 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vladimir Voroshilov 2008-08-26 19:38:17 +00:00
parent 51f2a119cb
commit 2ccddc0211
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libavcodec/i386/mathops.h
View File

@ -28,18 +28,18 @@
"imull %3 \n\t"\
"shrdl %4, %%edx, %%eax \n\t"\
: "=a"(rt), "=d"(dummy)\
: "a" (ra), "rm" (rb), "i"(FRAC_BITS));\
: "a" ((int)ra), "rm" ((int)rb), "i"(FRAC_BITS));\
rt; })
#endif
#define MULH(ra, rb) \
({ int rt, dummy;\
asm ("imull %3\n\t" : "=d"(rt), "=a"(dummy): "a" (ra), "rm" (rb));\
asm ("imull %3\n\t" : "=d"(rt), "=a"(dummy): "a" ((int)ra), "rm" ((int)rb));\
rt; })
#define MUL64(ra, rb) \
({ int64_t rt;\
asm ("imull %2\n\t" : "=A"(rt) : "a" (ra), "g" (rb));\
asm ("imull %2\n\t" : "=A"(rt) : "a" ((int)ra), "g" ((int)rb));\
rt; })
#endif /* FFMPEG_I386_MATHOPS_H */