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Code Issues Releases Activity

2 instructions less in h264_loop_filter_luma_mmx2()

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Originally committed as revision 6882 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-11-03 12:07:53 +00:00
parent bda2203d56
commit 25225c3773
1 changed files with 3 additions and 5 deletions
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8
libavcodec/i386/h264dsp_mmx.c
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@ -399,10 +399,9 @@ static inline void h264_loop_filter_luma_mmx2(uint8_t *pix, int stride, int alph
"pand %%mm7, %%mm6 \n\t" // mask & |p2-p0|<beta
"pshufw $80, %4, %%mm4 \n\t"
"pand %%mm7, %%mm4 \n\t" // mask & tc0
"movq %8, %%mm7 \n\t"
"pand %%mm6, %%mm7 \n\t" // mask & |p2-p0|<beta & 1
"movq %%mm4, %%mm7 \n\t"
"psubb %%mm6, %%mm7 \n\t"
"pand %%mm4, %%mm6 \n\t" // mask & |p2-p0|<beta & tc0
"paddb %%mm4, %%mm7 \n\t" // tc++
H264_DEBLOCK_Q1(%%mm0, %%mm3, "(%1)", "(%1,%3)", %%mm6, %%mm4)
/* filter q1 */
@ -413,8 +412,7 @@ static inline void h264_loop_filter_luma_mmx2(uint8_t *pix, int stride, int alph
"pand %0, %%mm6 \n\t"
"pshufw $80, %4, %%mm5 \n\t"
"pand %%mm6, %%mm5 \n\t"
"pand %8, %%mm6 \n\t"
"paddb %%mm6, %%mm7 \n\t"
"psubb %%mm6, %%mm7 \n\t"
"movq (%2,%3), %%mm3 \n\t"
H264_DEBLOCK_Q1(%%mm3, %%mm4, "(%2,%3,2)", "(%2,%3)", %%mm5, %%mm6)