[FFmpeg-cvslog] r14981 - trunk/libavcodec/i386/mathops.h
voroshil
subversion
Tue Aug 26 21:38:17 CEST 2008
Author: voroshil
Date: Tue Aug 26 21:38:17 2008
New Revision: 14981
Log:
Add explicit (int) cast to i386 optimized MUL* macros.
Wrong result is returned when 16-bit value is passed as value.
Also fixes "Warning: using `%edx' instead of `%dx' due to `l' suffix".
Modified:
trunk/libavcodec/i386/mathops.h
Modified: trunk/libavcodec/i386/mathops.h
==============================================================================
--- trunk/libavcodec/i386/mathops.h (original)
+++ trunk/libavcodec/i386/mathops.h Tue Aug 26 21:38:17 2008
@@ -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 */
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