* cleanup for put_pixels_mmx

Originally committed as revision 572 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Zdenek Kabelac 2002-05-23 15:48:30 +00:00
parent 423d391bfe
commit 31ddcf9851
1 changed files with 24 additions and 56 deletions

View File

@ -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)