diff options
| author | Zdenek Kabelac <kabi@informatics.muni.cz> | 2002-05-29 08:31:22 +0000 |
|---|---|---|
| committer | Zdenek Kabelac <kabi@informatics.muni.cz> | 2002-05-29 08:31:22 +0000 |
| commit | d17b6f0bbb2e2b63cd725bd25ef309cb7a1bdda8 (patch) | |
| tree | 13e8fe4dcd9a36e0db039c29539ecf9cbfa76704 /libavcodec/i386/dsputil_mmx_avg.h | |
| parent | c04643a2c24564aed96a5b0760de8bf02eb305c6 (diff) | |
* optimized remaing avg_pixels_xy2
Originally committed as revision 621 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/i386/dsputil_mmx_avg.h')
| -rw-r--r-- | libavcodec/i386/dsputil_mmx_avg.h | 60 |
1 files changed, 26 insertions, 34 deletions
diff --git a/libavcodec/i386/dsputil_mmx_avg.h b/libavcodec/i386/dsputil_mmx_avg.h index a958a0c72d..703cd0f2ca 100644 --- a/libavcodec/i386/dsputil_mmx_avg.h +++ b/libavcodec/i386/dsputil_mmx_avg.h @@ -258,47 +258,39 @@ static void DEF(avg_pixels_xy2)(UINT8 *block, const UINT8 *pixels, int line_size { __asm __volatile( MOVQ_BONE(%%mm7) - "xorl %%eax, %%eax \n\t" + "lea (%3, %3), %%eax \n\t" "movq (%1), %%mm0 \n\t" - "movq 1(%1), %%mm1 \n\t" - PAVGB" %%mm1, %%mm0 \n\t" - ".balign 16 \n\t" + PAVGB" 1(%1), %%mm0 \n\t" + ".balign 8 \n\t" "1: \n\t" - "movq (%2, %%eax), %%mm1 \n\t" - "movq (%3, %%eax), %%mm2 \n\t" - "movq 1(%2, %%eax), %%mm3 \n\t" - "movq 1(%3, %%eax), %%mm4 \n\t" + "movq (%1, %%eax), %%mm2 \n\t" + "movq (%1, %3), %%mm1 \n\t" "psubusb %%mm7, %%mm2 \n\t" - PAVGB" %%mm3, %%mm1 \n\t" - PAVGB" %%mm4, %%mm2 \n\t" + PAVGB" 1(%1, %3), %%mm1 \n\t" + PAVGB" 1(%1, %%eax), %%mm2 \n\t" + "addl %%eax, %1 \n\t" PAVGB" %%mm1, %%mm0 \n\t" PAVGB" %%mm2, %%mm1 \n\t" - "movq (%4, %%eax), %%mm3 \n\t" - "movq (%5, %%eax), %%mm4 \n\t" - PAVGB" %%mm3, %%mm0 \n\t" - PAVGB" %%mm4, %%mm1 \n\t" - "movq %%mm0, (%4, %%eax) \n\t" - "movq %%mm1, (%5, %%eax) \n\t" - "addl %6, %%eax \n\t" - "movq (%2, %%eax), %%mm1 \n\t" - "movq (%3, %%eax), %%mm0 \n\t" - "movq 1(%2, %%eax), %%mm3 \n\t" - "movq 1(%3, %%eax), %%mm4 \n\t" - PAVGB" %%mm3, %%mm1 \n\t" - PAVGB" %%mm4, %%mm0 \n\t" + PAVGB" (%2), %%mm0 \n\t" + PAVGB" (%2, %3), %%mm1 \n\t" + "movq %%mm0, (%2) \n\t" + "movq %%mm1, (%2, %3) \n\t" + "movq (%1, %3), %%mm1 \n\t" + "movq (%1, %%eax), %%mm0 \n\t" + PAVGB" 1(%1, %3), %%mm1 \n\t" + PAVGB" 1(%1, %%eax), %%mm0 \n\t" + "addl %%eax, %2 \n\t" + "addl %%eax, %1 \n\t" PAVGB" %%mm1, %%mm2 \n\t" PAVGB" %%mm0, %%mm1 \n\t" - "movq (%4, %%eax), %%mm3 \n\t" - "movq (%5, %%eax), %%mm4 \n\t" - PAVGB" %%mm3, %%mm2 \n\t" - PAVGB" %%mm4, %%mm1 \n\t" - "movq %%mm2, (%4, %%eax) \n\t" - "movq %%mm1, (%5, %%eax) \n\t" - "addl %6, %%eax \n\t" + PAVGB" (%2), %%mm2 \n\t" + PAVGB" (%2, %3), %%mm1 \n\t" + "movq %%mm2, (%2) \n\t" + "movq %%mm1, (%2, %3) \n\t" + "addl %%eax, %2 \n\t" "subl $4, %0 \n\t" - " jnz 1b \n\t" - :"+g"(h) - :"D"(pixels), "S"(pixels+line_size), "r"(pixels+line_size*2), "r" (block), - "r" (block+line_size), "g"(line_size<<1) + "jnz 1b \n\t" + :"+g"(h), "+D"(pixels), "+S"(block) + :"r" (line_size) :"%eax", "memory"); } |