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authorMichael Niedermayer <michaelni@gmx.at>2001-10-28 19:41:50 +0000
committerMichael Niedermayer <michaelni@gmx.at>2001-10-28 19:41:50 +0000
commit99cefd0bda558682476545d741d0dd55b22f1400 (patch)
tree713ff37f3c29c01fb4b3c34d9c6f23c3ffac8c55 /postproc/swscale.c
parent388584703676f9e886c24ee0327160fa90021174 (diff)
downloadffmpeg-99cefd0bda558682476545d741d0dd55b22f1400.tar.gz
3dnow prefetch & sfence
Originally committed as revision 2521 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
Diffstat (limited to 'postproc/swscale.c')
-rw-r--r--postproc/swscale.c37
1 files changed, 11 insertions, 26 deletions
diff --git a/postproc/swscale.c b/postproc/swscale.c
index 476367d60b..d4a242309b 100644
--- a/postproc/swscale.c
+++ b/postproc/swscale.c
@@ -9,6 +9,7 @@
#include <string.h>
#include "../config.h"
#include "swscale.h"
+#include "../mmx_defs.h"
//#undef HAVE_MMX2
//#undef HAVE_MMX
@@ -929,20 +930,15 @@ static inline void hyscale(uint16_t *dst, int dstWidth, uint8_t *src, int srcWid
"xorl %%ecx, %%ecx \n\t"
"xorl %%ebx, %%ebx \n\t"
"movw %4, %%bx \n\t" // (xInc*4)&0xFFFF
-#ifdef HAVE_MMX2
-#define FUNNY_Y_CODE \
- "prefetchnta 1024(%%esi) \n\t"\
- "prefetchnta 1056(%%esi) \n\t"\
- "prefetchnta 1088(%%esi) \n\t"\
- "call funnyYCode \n\t"\
- "movq temp0, %%mm2 \n\t"\
- "xorl %%ecx, %%ecx \n\t"
-#else
+
#define FUNNY_Y_CODE \
+ PREFETCH" 1024(%%esi) \n\t"\
+ PREFETCH" 1056(%%esi) \n\t"\
+ PREFETCH" 1088(%%esi) \n\t"\
"call funnyYCode \n\t"\
"movq temp0, %%mm2 \n\t"\
"xorl %%ecx, %%ecx \n\t"
-#endif
+
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
@@ -1046,20 +1042,13 @@ inline static void hcscale(uint16_t *dst, int dstWidth,
"xorl %%ebx, %%ebx \n\t"
"movw %4, %%bx \n\t" // (xInc*4)&0xFFFF
-#ifdef HAVE_MMX2
#define FUNNYUVCODE \
- "prefetchnta 1024(%%esi) \n\t"\
- "prefetchnta 1056(%%esi) \n\t"\
- "prefetchnta 1088(%%esi) \n\t"\
+ PREFETCH" 1024(%%esi) \n\t"\
+ PREFETCH" 1056(%%esi) \n\t"\
+ PREFETCH" 1088(%%esi) \n\t"\
"call funnyUVCode \n\t"\
"movq temp0, %%mm2 \n\t"\
"xorl %%ecx, %%ecx \n\t"
-#else
-#define FUNNYUVCODE \
- "call funnyUVCode \n\t"\
- "movq temp0, %%mm2 \n\t"\
- "xorl %%ecx, %%ecx \n\t"
-#endif
FUNNYUVCODE
FUNNYUVCODE
@@ -1439,12 +1428,8 @@ else s_xinc2= s_xinc;
g16Dither2= g16Dither;
#endif
}
-
-#ifdef HAVE_3DNOW
- asm volatile("femms");
-#elif defined (HAVE_MMX)
- asm volatile("emms");
-#endif
+__asm __volatile(SFENCE:::"memory");
+__asm __volatile(EMMS:::"memory");
}