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| author | Zdenek Kabelac <kabi@informatics.muni.cz> | 2002-05-23 15:48:30 +0000 |
|---|---|---|
| committer | Zdenek Kabelac <kabi@informatics.muni.cz> | 2002-05-23 15:48:30 +0000 |
| commit | 31ddcf985162fb285ff79587c2a8b0019ccaad09 (patch) | |
| tree | d462ff1db0fb95bf1b9ab4906a8c6f070ffc8858 /libavcodec/i386/dsputil_mmx.c | |
| parent | 423d391bfeee121410b84618b1c84d23b3156ffa (diff) | |
| download | ffmpeg-31ddcf985162fb285ff79587c2a8b0019ccaad09.tar.gz | |
* cleanup for put_pixels_mmx
Originally committed as revision 572 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/i386/dsputil_mmx.c')
| -rw-r--r-- | libavcodec/i386/dsputil_mmx.c | 80 |
1 files changed, 24 insertions, 56 deletions
diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c index 7bcb1e5665..0a53d57012 100644 --- a/libavcodec/i386/dsputil_mmx.c +++ b/libavcodec/i386/dsputil_mmx.c @@ -267,63 +267,31 @@ static void add_pixels_clamped_mmx(const DCTELEM *block, UINT8 *pixels, int line static void put_pixels_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int h) { -#if 0 //FIXME h==4 case - asm volatile( - "xorl %%eax, %%eax \n\t" - "movl %3, %%esi \n\t" - "1: \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "subl $8, %%esi \n\t" - " jnz 1b \n\t" - :: "r" (block), "r" (pixels), "r"(line_size), "m"(h) - : "%eax", "%esi", "memory" - ); -#else - asm volatile( - "xorl %%eax, %%eax \n\t" - "movl %3, %%esi \n\t" - "1: \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "movq (%1, %%eax), %%mm0 \n\t" - "movq %%mm0, (%0, %%eax) \n\t" - "addl %2, %%eax \n\t" - "subl $4, %%esi \n\t" - " jnz 1b \n\t" - :: "r" (block), "r" (pixels), "r"(line_size), "m"(h) - : "%eax", "%esi", "memory" - ); + asm volatile + ( + "lea (%3, %3), %%eax \n\t" +#ifdef PIC + ".balign 16 \n\t" #endif + "1: \n\t" + "movq (%1), %%mm0 \n\t" + "movq (%1, %3), %%mm1 \n\t" + "movq %%mm0, (%2) \n\t" + "movq %%mm1, (%2, %3) \n\t" + "addl %%eax, %1 \n\t" + "addl %%eax, %2 \n\t" + "movq (%1), %%mm0 \n\t" + "movq (%1, %3), %%mm1 \n\t" + "movq %%mm0, (%2) \n\t" + "movq %%mm1, (%2, %3) \n\t" + "addl %%eax, %1 \n\t" + "addl %%eax, %2 \n\t" + "subl $4, %0 \n\t" + "jnz 1b \n\t" + : "+g"(h), "+r" (pixels), "+r" (block) + : "r"(line_size) + : "%eax", "memory" + ); } static void put_pixels_x2_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int h) |