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merging mov & and (no speedchange) 

Originally committed as revision 6889 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2006-11-03 16:02:18 +00:00
parent e80cf125a7
commit f5a9e8f33d
1 changed files with 2 additions and 3 deletions
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5
libavcodec/i386/h264dsp_mmx.c
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@ -411,9 +411,8 @@ static inline void h264_loop_filter_luma_mmx2(uint8_t *pix, int stride, int alph
"movq (%1), %%mm3 \n\t" //p2
DIFF_GT2_MMX(%%mm1, %%mm3, %%mm5, %%mm6, %%mm4) // |p2-p0|>beta-1
"pand %%mm7, %%mm6 \n\t" // mask & |p2-p0|<beta
"movq 8+%0, %%mm4 \n\t" // can be merged with the and below but is slower then
"pand %%mm7, %%mm4 \n\t" // mask & tc0
"movq %%mm4, %%mm7 \n\t"
"pand 8+%0, %%mm7 \n\t" // mask & tc0
"movq %%mm7, %%mm4 \n\t"
"psubb %%mm6, %%mm7 \n\t"
"pand %%mm4, %%mm6 \n\t" // mask & |p2-p0|<beta & tc0
H264_DEBLOCK_Q1(%%mm0, %%mm3, "(%1)", "(%1,%3)", %%mm6, %%mm4)