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shortening dependancy chain in chroma mc2 

Originally committed as revision 8095 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-02-23 15:03:30 +00:00
parent af26516261
commit 0c67082e02
1 changed files with 6 additions and 6 deletions
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12
libavcodec/i386/dsputil_h264_template_mmx.c
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@ -265,9 +265,9 @@ static void H264_CHROMA_MC2_TMPL(uint8_t *dst/*align 2*/, uint8_t *src/*align 1*
"punpckldq %%mm6, %%mm6\n\t"
"pxor %%mm7, %%mm7\n\t"
/* mm0 = src[0,1,1,2] */
"movd %2, %%mm0\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"pshufw $0x94, %%mm0, %%mm0\n\t"
"movd %2, %%mm2\n\t"
"punpcklbw %%mm7, %%mm2\n\t"
"pshufw $0x94, %%mm2, %%mm2\n\t"
:: "r"(AB), "r"(CD), "m"(src[0]));
@ -275,7 +275,7 @@ static void H264_CHROMA_MC2_TMPL(uint8_t *dst/*align 2*/, uint8_t *src/*align 1*
"1:\n\t"
"add %4, %1\n\t"
/* mm1 = A * src[0,1] + B * src[1,2] */
"movq %%mm0, %%mm1\n\t"
"movq %%mm2, %%mm1\n\t"
"pmaddwd %%mm5, %%mm1\n\t"
/* mm0 = src[0,1,1,2] */
"movd (%1), %%mm0\n\t"
@ -283,8 +283,8 @@ static void H264_CHROMA_MC2_TMPL(uint8_t *dst/*align 2*/, uint8_t *src/*align 1*
"pshufw $0x94, %%mm0, %%mm0\n\t"
/* mm1 += C * src[0,1] + D * src[1,2] */
"movq %%mm0, %%mm2\n\t"
"pmaddwd %%mm6, %%mm2\n\t"
"paddw %%mm2, %%mm1\n\t"
"pmaddwd %%mm6, %%mm0\n\t"
"paddw %%mm0, %%mm1\n\t"
/* dst[0,1] = pack((mm1 + 32) >> 6) */
"paddw %3, %%mm1\n\t"
"psrlw $6, %%mm1\n\t"