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authorNick Kurshev <nickols_k@mail.ru>2001-10-28 17:15:54 +0000
committerNick Kurshev <nickols_k@mail.ru>2001-10-28 17:15:54 +0000
commit90f8a479b7958db83000fb77937532a312183bdc (patch)
tree3119fef9a34fbde51b1651d38d758ab32289faaa /postproc/rgb2rgb.c
parent2f6b90b0f944bc749c194e9235514f32f050fea8 (diff)
downloadffmpeg-90f8a479b7958db83000fb77937532a312183bdc.tar.gz
More elegant solution
Originally committed as revision 2517 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
Diffstat (limited to 'postproc/rgb2rgb.c')
-rw-r--r--postproc/rgb2rgb.c42
1 files changed, 5 insertions, 37 deletions
diff --git a/postproc/rgb2rgb.c b/postproc/rgb2rgb.c
index 3417afe0a7..925e586df5 100644
--- a/postproc/rgb2rgb.c
+++ b/postproc/rgb2rgb.c
@@ -2,30 +2,7 @@
#include "../config.h"
#include "rgb2rgb.h"
#include "mmx.h"
-
-#ifdef HAVE_3DNOW
-#define PREFETCH "prefetch"
-#define PREFETCHW "prefetchw"
-#elif defined ( HAVE_MMX2 )
-#define PREFETCH "prefetchnta"
-#define PREFETCHW "prefetcht0"
-#endif
-
-#ifdef HAVE_3DNOW
-#define EMMS "femms"
-#else
-#define EMMS "emms"
-#endif
-
-#ifdef HAVE_MMX2
-#define MOVNTQ "movntq"
-#else
-#define MOVNTQ "movq"
-#endif
-
-#ifdef HAVE_MMX2
-#define SFENCE "sfence"
-#endif
+#include "../mmx_defs.h"
void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
{
@@ -38,21 +15,14 @@ void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
#endif
end = s + src_size;
#ifdef HAVE_MMX
-#ifdef PREFETCH
- __asm __volatile(
- PREFETCH" %0\n\t"
- ::"m"(*s):"memory");
-#endif
- mm_end = (uint8_t*)((((unsigned long)end)/16)*16);
+ __asm __volatile(PREFETCH" %0\n\t"::"m"(*s):"memory");
+ mm_end = (uint8_t*)((((unsigned long)end)/(MMREG_SIZE*2))*(MMREG_SIZE*2));
__asm __volatile("movq %0, %%mm7"::"m"(mask32):"memory");
+ if(mm_end == end) mm_end -= MMREG_SIZE*2;
while(s < mm_end)
{
-#ifdef PREFETCH
- __asm __volatile(
- PREFETCH" 32%0\n\t"
- ::"m"(*s):"memory");
-#endif
__asm __volatile(
+ PREFETCH" 32%1\n\t"
"movd %1, %%mm0\n\t"
"movd 3%1, %%mm1\n\t"
"movd 6%1, %%mm2\n\t"
@@ -69,9 +39,7 @@ void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
dest += 16;
s += 12;
}
-#ifdef SFENCE
__asm __volatile(SFENCE:::"memory");
-#endif
__asm __volatile(EMMS:::"memory");
#endif
while(s < end)