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optimizations (+2% speedup)

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Originally committed as revision 2414 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
pull/126/head
Michael Niedermayer 24 years ago
parent 534a602dca
commit 37da00fcaa
2 changed files with 32 additions and 58 deletions
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  1. 43
      postproc/postprocess.c
  2. 43
      postproc/postprocess_template.c

43
postproc/postprocess.c
Unescape View File

@ -215,53 +215,49 @@ static inline int isVertDC(uint8_t src[], int stride){
src+= stride*4; // src points to begin of the 8x8 Block
#ifdef HAVE_MMX
asm volatile(
"pushl %1\n\t"
"leal (%1, %2), %%eax \n\t"
"leal (%%eax, %2, 4), %%ebx \n\t"
// 0 1 2 3 4 5 6 7 8 9
// %1 eax eax+%2 eax+2%2 %1+4%2 ebx ebx+%2 ebx+2%2 %1+8%2 ebx+4%2
"movq b7E, %%mm7 \n\t" // mm7 = 0x7F
"movq b7C, %%mm6 \n\t" // mm6 = 0x7D
"movq (%1), %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"movq (%%eax), %%mm1 \n\t"
"psubb %%mm1, %%mm0 \n\t" // mm0 = differnece
"paddb %%mm7, %%mm0 \n\t"
"pcmpgtb %%mm6, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm2 \n\t"
"movq (%%eax,%2), %%mm2 \n\t"
"psubb %%mm2, %%mm1 \n\t"
"paddb %%mm7, %%mm1 \n\t"
"pcmpgtb %%mm6, %%mm1 \n\t"
"paddb %%mm1, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"movq (%%eax, %2, 2), %%mm1 \n\t"
"psubb %%mm1, %%mm2 \n\t"
"paddb %%mm7, %%mm2 \n\t"
"pcmpgtb %%mm6, %%mm2 \n\t"
"paddb %%mm2, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm2 \n\t"
"movq (%1, %2, 4), %%mm2 \n\t"
"psubb %%mm2, %%mm1 \n\t"
"paddb %%mm7, %%mm1 \n\t"
"pcmpgtb %%mm6, %%mm1 \n\t"
"paddb %%mm1, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"movq (%%ebx), %%mm1 \n\t"
"psubb %%mm1, %%mm2 \n\t"
"paddb %%mm7, %%mm2 \n\t"
"pcmpgtb %%mm6, %%mm2 \n\t"
"paddb %%mm2, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm2 \n\t"
"movq (%%ebx, %2), %%mm2 \n\t"
"psubb %%mm2, %%mm1 \n\t"
"paddb %%mm7, %%mm1 \n\t"
"pcmpgtb %%mm6, %%mm1 \n\t"
"paddb %%mm1, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"movq (%%ebx, %2, 2), %%mm1 \n\t"
"psubb %%mm1, %%mm2 \n\t"
"paddb %%mm7, %%mm2 \n\t"
"pcmpgtb %%mm6, %%mm2 \n\t"
@ -277,17 +273,12 @@ static inline int isVertDC(uint8_t src[], int stride){
"movq %%mm0, %%mm1 \n\t"
"psrlq $32, %%mm0 \n\t"
"paddb %%mm1, %%mm0 \n\t"
"popl %1\n\t"
"movd %%mm0, %0 \n\t"
: "=r" (numEq)
: "r" (src), "r" (stride)
);
// printf("%d\n", numEq);
numEq= (256 - (numEq & 0xFF)) &0xFF;
// int asmEq= numEq;
// numEq=0;
// uint8_t *temp= src;
numEq= (256 - numEq) &0xFF;
#else
for(y=0; y<BLOCK_SIZE-1; y++)
@ -2491,8 +2482,6 @@ static inline void blockCopy(uint8_t dst[], int dstStride, uint8_t src[], int sr
{
#ifdef HAVE_MMX
asm volatile(
"pushl %0 \n\t"
"pushl %1 \n\t"
"leal (%2,%2), %%eax \n\t"
"leal (%3,%3), %%ebx \n\t"
"movq packedYOffset, %%mm2 \n\t"
@ -2534,11 +2523,9 @@ SCALED_CPY
"addl %%ebx, %1 \n\t"
SCALED_CPY
"popl %1 \n\t"
"popl %0 \n\t"
: : "r" (src),
"r" (dst),
"r" (srcStride),
: "+r"(src),
"+r"(dst)
:"r" (srcStride),
"r" (dstStride)
: "%eax", "%ebx"
);

43
postproc/postprocess_template.c
Unescape View File

@ -215,53 +215,49 @@ static inline int isVertDC(uint8_t src[], int stride){
src+= stride*4; // src points to begin of the 8x8 Block
#ifdef HAVE_MMX
asm volatile(
"pushl %1\n\t"
"leal (%1, %2), %%eax \n\t"
"leal (%%eax, %2, 4), %%ebx \n\t"
// 0 1 2 3 4 5 6 7 8 9
// %1 eax eax+%2 eax+2%2 %1+4%2 ebx ebx+%2 ebx+2%2 %1+8%2 ebx+4%2
"movq b7E, %%mm7 \n\t" // mm7 = 0x7F
"movq b7C, %%mm6 \n\t" // mm6 = 0x7D
"movq (%1), %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"movq (%%eax), %%mm1 \n\t"
"psubb %%mm1, %%mm0 \n\t" // mm0 = differnece
"paddb %%mm7, %%mm0 \n\t"
"pcmpgtb %%mm6, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm2 \n\t"
"movq (%%eax,%2), %%mm2 \n\t"
"psubb %%mm2, %%mm1 \n\t"
"paddb %%mm7, %%mm1 \n\t"
"pcmpgtb %%mm6, %%mm1 \n\t"
"paddb %%mm1, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"movq (%%eax, %2, 2), %%mm1 \n\t"
"psubb %%mm1, %%mm2 \n\t"
"paddb %%mm7, %%mm2 \n\t"
"pcmpgtb %%mm6, %%mm2 \n\t"
"paddb %%mm2, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm2 \n\t"
"movq (%1, %2, 4), %%mm2 \n\t"
"psubb %%mm2, %%mm1 \n\t"
"paddb %%mm7, %%mm1 \n\t"
"pcmpgtb %%mm6, %%mm1 \n\t"
"paddb %%mm1, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"movq (%%ebx), %%mm1 \n\t"
"psubb %%mm1, %%mm2 \n\t"
"paddb %%mm7, %%mm2 \n\t"
"pcmpgtb %%mm6, %%mm2 \n\t"
"paddb %%mm2, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm2 \n\t"
"movq (%%ebx, %2), %%mm2 \n\t"
"psubb %%mm2, %%mm1 \n\t"
"paddb %%mm7, %%mm1 \n\t"
"pcmpgtb %%mm6, %%mm1 \n\t"
"paddb %%mm1, %%mm0 \n\t"
"addl %2, %1 \n\t"
"movq (%1), %%mm1 \n\t"
"movq (%%ebx, %2, 2), %%mm1 \n\t"
"psubb %%mm1, %%mm2 \n\t"
"paddb %%mm7, %%mm2 \n\t"
"pcmpgtb %%mm6, %%mm2 \n\t"
@ -277,17 +273,12 @@ static inline int isVertDC(uint8_t src[], int stride){
"movq %%mm0, %%mm1 \n\t"
"psrlq $32, %%mm0 \n\t"
"paddb %%mm1, %%mm0 \n\t"
"popl %1\n\t"
"movd %%mm0, %0 \n\t"
: "=r" (numEq)
: "r" (src), "r" (stride)
);
// printf("%d\n", numEq);
numEq= (256 - (numEq & 0xFF)) &0xFF;
// int asmEq= numEq;
// numEq=0;
// uint8_t *temp= src;
numEq= (256 - numEq) &0xFF;
#else
for(y=0; y<BLOCK_SIZE-1; y++)
@ -2491,8 +2482,6 @@ static inline void blockCopy(uint8_t dst[], int dstStride, uint8_t src[], int sr
{
#ifdef HAVE_MMX
asm volatile(
"pushl %0 \n\t"
"pushl %1 \n\t"
"leal (%2,%2), %%eax \n\t"
"leal (%3,%3), %%ebx \n\t"
"movq packedYOffset, %%mm2 \n\t"
@ -2534,11 +2523,9 @@ SCALED_CPY
"addl %%ebx, %1 \n\t"
SCALED_CPY
"popl %1 \n\t"
"popl %0 \n\t"
: : "r" (src),
"r" (dst),
"r" (srcStride),
: "+r"(src),
"+r"(dst)
:"r" (srcStride),
"r" (dstStride)
: "%eax", "%ebx"
);

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