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Minor speedup of rgb32to24. (performance is not successful)

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Originally committed as revision 2747 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Nick Kurshev 2001-11-06 17:14:22 +00:00
parent 9e7f791dcb
commit 2b3eef22d0
2 changed files with 82 additions and 26 deletions
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54
postproc/rgb2rgb.c
View File

@ -16,6 +16,9 @@
static const uint64_t mask32 __attribute__((aligned(8))) = 0x00FFFFFF00FFFFFFULL; static const uint64_t mask32 __attribute__((aligned(8))) = 0x00FFFFFF00FFFFFFULL;
static const uint64_t mask24l __attribute__((aligned(8))) = 0x0000000000FFFFFFULL; static const uint64_t mask24l __attribute__((aligned(8))) = 0x0000000000FFFFFFULL;
static const uint64_t mask24h __attribute__((aligned(8))) = 0x0000FFFFFF000000ULL; static const uint64_t mask24h __attribute__((aligned(8))) = 0x0000FFFFFF000000ULL;
static const uint64_t mask24hh __attribute__((aligned(8))) = 0xffff000000000000ULL;
static const uint64_t mask24hhh __attribute__((aligned(8))) = 0xffffffff00000000ULL;
static const uint64_t mask24hhhh __attribute__((aligned(8))) = 0xffffffffffff0000ULL;
static const uint64_t mask15b __attribute__((aligned(8))) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */ static const uint64_t mask15b __attribute__((aligned(8))) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */
static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */ static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
static const uint64_t mask15s __attribute__((aligned(8))) = 0xFFE0FFE0FFE0FFE0ULL; static const uint64_t mask15s __attribute__((aligned(8))) = 0xFFE0FFE0FFE0FFE0ULL;
@ -90,34 +93,59 @@ void rgb32to24(const uint8_t *src,uint8_t *dst,unsigned src_size)
end = s + src_size; end = s + src_size;
#ifdef HAVE_MMX #ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*s):"memory"); __asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*2))*(MMREG_SIZE*2)); mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*4))*(MMREG_SIZE*4));
__asm __volatile(
"movq %0, %%mm7\n\t"
"movq %1, %%mm6"
::"m"(mask24l),"m"(mask24h):"memory");
while(s < mm_end) while(s < mm_end)
{ {
__asm __volatile( __asm __volatile(
PREFETCH" 32%1\n\t" PREFETCH" 32%1\n\t"
"movq %1, %%mm0\n\t" "movq %1, %%mm0\n\t"
"movq 8%1, %%mm1\n\t" "movq 8%1, %%mm1\n\t"
"movq 16%1, %%mm4\n\t"
"movq 24%1, %%mm5\n\t"
"movq %%mm0, %%mm2\n\t" "movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t" "movq %%mm1, %%mm3\n\t"
"movq %%mm4, %%mm6\n\t"
"movq %%mm5, %%mm7\n\t"
"psrlq $8, %%mm2\n\t" "psrlq $8, %%mm2\n\t"
"psrlq $8, %%mm3\n\t" "psrlq $8, %%mm3\n\t"
"pand %%mm7, %%mm0\n\t" "psrlq $8, %%mm6\n\t"
"pand %%mm7, %%mm1\n\t" "psrlq $8, %%mm7\n\t"
"pand %%mm6, %%mm2\n\t" "pand %2, %%mm0\n\t"
"pand %%mm6, %%mm3\n\t" "pand %2, %%mm1\n\t"
"pand %2, %%mm4\n\t"
"pand %2, %%mm5\n\t"
"pand %3, %%mm2\n\t"
"pand %3, %%mm3\n\t"
"pand %3, %%mm6\n\t"
"pand %3, %%mm7\n\t"
"por %%mm2, %%mm0\n\t" "por %%mm2, %%mm0\n\t"
"por %%mm3, %%mm1\n\t" "por %%mm3, %%mm1\n\t"
"por %%mm6, %%mm4\n\t"
"por %%mm7, %%mm5\n\t"
"movq %%mm1, %%mm2\n\t"
"movq %%mm4, %%mm3\n\t"
"psllq $48, %%mm2\n\t"
"psllq $32, %%mm3\n\t"
"pand %4, %%mm2\n\t"
"pand %5, %%mm3\n\t"
"por %%mm2, %%mm0\n\t"
"psrlq $16, %%mm1\n\t"
"psrlq $32, %%mm4\n\t"
"psllq $16, %%mm5\n\t"
"por %%mm3, %%mm1\n\t"
"pand %6, %%mm5\n\t"
"por %%mm5, %%mm4\n\t"
MOVNTQ" %%mm0, %0\n\t" MOVNTQ" %%mm0, %0\n\t"
MOVNTQ" %%mm1, 6%0" MOVNTQ" %%mm1, 8%0\n\t"
MOVNTQ" %%mm4, 16%0"
:"=m"(*dest) :"=m"(*dest)
:"m"(*s) :"m"(*s),"m"(mask24l),
"m"(mask24h),"m"(mask24hh),"m"(mask24hhh),"m"(mask24hhhh)
:"memory"); :"memory");
dest += 12; dest += 24;
s += 16; s += 32;
} }
__asm __volatile(SFENCE:::"memory"); __asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory"); __asm __volatile(EMMS:::"memory");

54
postproc/rgb2rgb_template.c
View File

@ -16,6 +16,9 @@
static const uint64_t mask32 __attribute__((aligned(8))) = 0x00FFFFFF00FFFFFFULL; static const uint64_t mask32 __attribute__((aligned(8))) = 0x00FFFFFF00FFFFFFULL;
static const uint64_t mask24l __attribute__((aligned(8))) = 0x0000000000FFFFFFULL; static const uint64_t mask24l __attribute__((aligned(8))) = 0x0000000000FFFFFFULL;
static const uint64_t mask24h __attribute__((aligned(8))) = 0x0000FFFFFF000000ULL; static const uint64_t mask24h __attribute__((aligned(8))) = 0x0000FFFFFF000000ULL;
static const uint64_t mask24hh __attribute__((aligned(8))) = 0xffff000000000000ULL;
static const uint64_t mask24hhh __attribute__((aligned(8))) = 0xffffffff00000000ULL;
static const uint64_t mask24hhhh __attribute__((aligned(8))) = 0xffffffffffff0000ULL;
static const uint64_t mask15b __attribute__((aligned(8))) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */ static const uint64_t mask15b __attribute__((aligned(8))) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */
static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */ static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
static const uint64_t mask15s __attribute__((aligned(8))) = 0xFFE0FFE0FFE0FFE0ULL; static const uint64_t mask15s __attribute__((aligned(8))) = 0xFFE0FFE0FFE0FFE0ULL;
@ -90,34 +93,59 @@ void rgb32to24(const uint8_t *src,uint8_t *dst,unsigned src_size)
end = s + src_size; end = s + src_size;
#ifdef HAVE_MMX #ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*s):"memory"); __asm __volatile(PREFETCH" %0"::"m"(*s):"memory");
mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*2))*(MMREG_SIZE*2)); mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*4))*(MMREG_SIZE*4));
__asm __volatile(
"movq %0, %%mm7\n\t"
"movq %1, %%mm6"
::"m"(mask24l),"m"(mask24h):"memory");
while(s < mm_end) while(s < mm_end)
{ {
__asm __volatile( __asm __volatile(
PREFETCH" 32%1\n\t" PREFETCH" 32%1\n\t"
"movq %1, %%mm0\n\t" "movq %1, %%mm0\n\t"
"movq 8%1, %%mm1\n\t" "movq 8%1, %%mm1\n\t"
"movq 16%1, %%mm4\n\t"
"movq 24%1, %%mm5\n\t"
"movq %%mm0, %%mm2\n\t" "movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t" "movq %%mm1, %%mm3\n\t"
"movq %%mm4, %%mm6\n\t"
"movq %%mm5, %%mm7\n\t"
"psrlq $8, %%mm2\n\t" "psrlq $8, %%mm2\n\t"
"psrlq $8, %%mm3\n\t" "psrlq $8, %%mm3\n\t"
"pand %%mm7, %%mm0\n\t" "psrlq $8, %%mm6\n\t"
"pand %%mm7, %%mm1\n\t" "psrlq $8, %%mm7\n\t"
"pand %%mm6, %%mm2\n\t" "pand %2, %%mm0\n\t"
"pand %%mm6, %%mm3\n\t" "pand %2, %%mm1\n\t"
"pand %2, %%mm4\n\t"
"pand %2, %%mm5\n\t"
"pand %3, %%mm2\n\t"
"pand %3, %%mm3\n\t"
"pand %3, %%mm6\n\t"
"pand %3, %%mm7\n\t"
"por %%mm2, %%mm0\n\t" "por %%mm2, %%mm0\n\t"
"por %%mm3, %%mm1\n\t" "por %%mm3, %%mm1\n\t"
"por %%mm6, %%mm4\n\t"
"por %%mm7, %%mm5\n\t"
"movq %%mm1, %%mm2\n\t"
"movq %%mm4, %%mm3\n\t"
"psllq $48, %%mm2\n\t"
"psllq $32, %%mm3\n\t"
"pand %4, %%mm2\n\t"
"pand %5, %%mm3\n\t"
"por %%mm2, %%mm0\n\t"
"psrlq $16, %%mm1\n\t"
"psrlq $32, %%mm4\n\t"
"psllq $16, %%mm5\n\t"
"por %%mm3, %%mm1\n\t"
"pand %6, %%mm5\n\t"
"por %%mm5, %%mm4\n\t"
MOVNTQ" %%mm0, %0\n\t" MOVNTQ" %%mm0, %0\n\t"
MOVNTQ" %%mm1, 6%0" MOVNTQ" %%mm1, 8%0\n\t"
MOVNTQ" %%mm4, 16%0"
:"=m"(*dest) :"=m"(*dest)
:"m"(*s) :"m"(*s),"m"(mask24l),
"m"(mask24h),"m"(mask24hh),"m"(mask24hhh),"m"(mask24hhhh)
:"memory"); :"memory");
dest += 12; dest += 24;
s += 16; s += 32;
} }
__asm __volatile(SFENCE:::"memory"); __asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory"); __asm __volatile(EMMS:::"memory");