virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

3dnow prefetch & sfence

Browse Source 
Originally committed as revision 2521 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2001-10-28 19:41:50 +00:00
parent 3885847036
commit 99cefd0bda
2 changed files with 22 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
postproc/swscale.c
View File

@ -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"\
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"
#else
#define FUNNY_Y_CODE \
"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");
}

37
postproc/swscale_template.c
View File

@ -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"\
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"
#else
#define FUNNY_Y_CODE \
"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");
}