diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2005-09-03 09:17:30 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2005-09-03 09:17:30 +0000 |
| commit | d3a9f79871296c5b16d7dacc463830908c833689 (patch) | |
| tree | 648b8c8c0b4b5394b021a1089b57d7393046ccaf | |
| parent | b5b65df7a9b231a63dd81acd8384fd0be2f4db54 (diff) | |
simplify (d&a) and (d&~a) calculation, hint by skal
Originally committed as revision 4552 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/i386/h264dsp_mmx.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/libavcodec/i386/h264dsp_mmx.c b/libavcodec/i386/h264dsp_mmx.c index 47fcf938b9..cf2a445278 100644 --- a/libavcodec/i386/h264dsp_mmx.c +++ b/libavcodec/i386/h264dsp_mmx.c @@ -162,11 +162,10 @@ void ff_h264_idct_add_mmx2(uint8_t *dst, int16_t *block, int stride) /* delta = (avg(q0, p1>>2) + (d&a)) * - (avg(p0, q1>>2) + (d&~a)) */\ "pavgb %%mm2, %%mm0 \n\t"\ - "movq %%mm5, %%mm6 \n\t"\ - "pand %%mm4, %%mm6 \n\t"\ - "paddusb %%mm6, %%mm0 \n\t"\ + "pand %%mm5, %%mm4 \n\t"\ + "paddusb %%mm4, %%mm0 \n\t"\ "pavgb %%mm1, %%mm3 \n\t"\ - "pandn %%mm5, %%mm4 \n\t"\ + "pxor %%mm5, %%mm4 \n\t"\ "paddusb %%mm4, %%mm3 \n\t"\ /* p0 += clip(delta, -tc0, tc0) * q0 -= clip(delta, -tc0, tc0) */\ |