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| author | Michael Niedermayer <michaelni@gmx.at> | 2006-11-03 09:59:15 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2006-11-03 09:59:15 +0000 |
| commit | 5a1553dee39bf35e5474262526f536298a6cd69f (patch) | |
| tree | 30d60b0207f2ebefa23c520f5deb120a7e44bfe9 /libavcodec/i386/h264dsp_mmx.c | |
| parent | 4a6cc06123d969fe3214ff874bc87c1aec529143 (diff) | |
1 instruction less
Originally committed as revision 6880 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/i386/h264dsp_mmx.c')
| -rw-r--r-- | libavcodec/i386/h264dsp_mmx.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/libavcodec/i386/h264dsp_mmx.c b/libavcodec/i386/h264dsp_mmx.c index 53c04db003..468edd9b71 100644 --- a/libavcodec/i386/h264dsp_mmx.c +++ b/libavcodec/i386/h264dsp_mmx.c @@ -348,16 +348,15 @@ static void ff_h264_idct8_dc_add_mmx2(uint8_t *dst, int16_t *block, int stride) "pavgb %%mm2 , %%mm4 \n\t" /* (q0 - p0 + 256)>>1*/\ "pavgb %%mm5 , %%mm3 \n\t"\ "paddb %%mm4 , %%mm3 \n\t" /* d+128+33*/\ - "pxor %%mm6 , %%mm6 \n\t" /* 0*/\ - "psubb %%mm3 , %%mm6 \n\t" /* 128-33-d*/\ + "movq "MANGLE(ff_pb_A1)" , %%mm6 \n\t"\ + "psubusb %%mm3 , %%mm6 \n\t"\ "psubusb "MANGLE(ff_pb_A1)" , %%mm3 \n\t"\ - "psubusb "MANGLE(ff_pb_5F)" , %%mm6 \n\t"\ - "pminub %%mm7 , %%mm3 \n\t"\ "pminub %%mm7 , %%mm6 \n\t"\ - "paddusb %%mm3 , %%mm1 \n\t"\ - "paddusb %%mm6 , %%mm2 \n\t"\ + "pminub %%mm7 , %%mm3 \n\t"\ "psubusb %%mm6 , %%mm1 \n\t"\ - "psubusb %%mm3 , %%mm2 \n\t" + "psubusb %%mm3 , %%mm2 \n\t"\ + "paddusb %%mm3 , %%mm1 \n\t"\ + "paddusb %%mm6 , %%mm2 \n\t" // in: mm0=p1 mm1=p0 mm2=q0 mm3=q1 mm7=(tc&mask) %8=mm_bone // out: (q1addr) = clip( (q2+((p0+q0+1)>>1))>>1, q1-tc0, q1+tc0 ) |