diff options
Diffstat (limited to 'libavcodec/x86/cavsdsp_mmx.c')
| -rw-r--r-- | libavcodec/x86/cavsdsp_mmx.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/x86/cavsdsp_mmx.c b/libavcodec/x86/cavsdsp_mmx.c index 0f5fdaa53d..37b34a82d5 100644 --- a/libavcodec/x86/cavsdsp_mmx.c +++ b/libavcodec/x86/cavsdsp_mmx.c @@ -29,6 +29,12 @@ #include "libavcodec/cavsdsp.h" #include "dsputil_mmx.h" +/* in/out: mma=mma+mmb, mmb=mmb-mma */ +#define SUMSUB_BA( a, b ) \ + "paddw "#b", "#a" \n\t"\ + "paddw "#b", "#b" \n\t"\ + "psubw "#a", "#b" \n\t" + /***************************************************************************** * * inverse transform |