mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 03:15:52 +00:00
7a4350e4c1
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4682 b3059339-0415-0410-9bf9-f77b7e298cf2
152 lines
3.4 KiB
C
152 lines
3.4 KiB
C
#include "../config.h"
|
|
#ifdef USE_FASTMEMCPY
|
|
|
|
/*
|
|
aclib - advanced C library ;)
|
|
This file contains functions which improve and expand standard C-library
|
|
see aclib_template.c ... this file only contains runtime cpu detection and config options stuff
|
|
runtime cpu detection by michael niedermayer (michaelni@gmx.at) is under GPL
|
|
*/
|
|
#include <stddef.h>
|
|
#include "../cpudetect.h"
|
|
|
|
#define BLOCK_SIZE 4096
|
|
#define CONFUSION_FACTOR 0
|
|
//Feel free to fine-tune the above 2, it might be possible to get some speedup with them :)
|
|
|
|
//#define STATISTICS
|
|
|
|
#ifdef ARCH_X86
|
|
#define CAN_COMPILE_X86_ASM
|
|
#endif
|
|
|
|
//Note: we have MMX, MMX2, 3DNOW version there is no 3DNOW+MMX2 one
|
|
//Plain C versions
|
|
//#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT)
|
|
//#define COMPILE_C
|
|
//#endif
|
|
|
|
#ifdef CAN_COMPILE_X86_ASM
|
|
|
|
#if (defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
|
|
#define COMPILE_MMX
|
|
#endif
|
|
|
|
#if defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)
|
|
#define COMPILE_MMX2
|
|
#endif
|
|
|
|
#if (defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
|
|
#define COMPILE_3DNOW
|
|
#endif
|
|
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_3DNOW
|
|
#undef ARCH_X86
|
|
/*
|
|
#ifdef COMPILE_C
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_3DNOW
|
|
#undef ARCH_X86
|
|
#define RENAME(a) a ## _C
|
|
#include "aclib_template.c"
|
|
#endif
|
|
*/
|
|
//MMX versions
|
|
#ifdef COMPILE_MMX
|
|
#undef RENAME
|
|
#define HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_3DNOW
|
|
#define ARCH_X86
|
|
#define RENAME(a) a ## _MMX
|
|
#include "aclib_template.c"
|
|
#endif
|
|
|
|
//MMX2 versions
|
|
#ifdef COMPILE_MMX2
|
|
#undef RENAME
|
|
#define HAVE_MMX
|
|
#define HAVE_MMX2
|
|
#undef HAVE_3DNOW
|
|
#define ARCH_X86
|
|
#define RENAME(a) a ## _MMX2
|
|
#include "aclib_template.c"
|
|
#endif
|
|
|
|
//3DNOW versions
|
|
#ifdef COMPILE_3DNOW
|
|
#undef RENAME
|
|
#define HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#define HAVE_3DNOW
|
|
#define ARCH_X86
|
|
#define RENAME(a) a ## _3DNow
|
|
#include "aclib_template.c"
|
|
#endif
|
|
|
|
#endif // CAN_COMPILE_X86_ASM
|
|
|
|
|
|
inline void * fast_memcpy(void * to, const void * from, size_t len)
|
|
{
|
|
#ifdef RUNTIME_CPUDETECT
|
|
#ifdef CAN_COMPILE_X86_ASM
|
|
// ordered per speed fasterst first
|
|
if(gCpuCaps.hasMMX2)
|
|
fast_memcpy_MMX2(to, from, len);
|
|
else if(gCpuCaps.has3DNow)
|
|
fast_memcpy_3DNow(to, from, len);
|
|
else if(gCpuCaps.hasMMX)
|
|
fast_memcpy_MMX(to, from, len);
|
|
else
|
|
#endif //CAN_COMPILE_X86_ASM
|
|
memcpy(to, from, len); // prior to mmx we use the standart memcpy
|
|
#else
|
|
#ifdef HAVE_MMX2
|
|
fast_memcpy_MMX2(to, from, len);
|
|
#elif defined (HAVE_3DNOW)
|
|
fast_memcpy_3DNow(to, from, len);
|
|
#elif defined (HAVE_MMX)
|
|
fast_memcpy_MMX(to, from, len);
|
|
#else
|
|
memcpy(to, from, len); // prior to mmx we use the standart memcpy
|
|
#endif
|
|
|
|
#endif //!RUNTIME_CPUDETECT
|
|
}
|
|
|
|
inline void * mem2agpcpy(void * to, const void * from, size_t len)
|
|
{
|
|
#ifdef RUNTIME_CPUDETECT
|
|
#ifdef CAN_COMPILE_X86_ASM
|
|
// ordered per speed fasterst first
|
|
if(gCpuCaps.hasMMX2)
|
|
mem2agpcpy_MMX2(to, from, len);
|
|
else if(gCpuCaps.has3DNow)
|
|
mem2agpcpy_3DNow(to, from, len);
|
|
else if(gCpuCaps.hasMMX)
|
|
mem2agpcpy_MMX(to, from, len);
|
|
else
|
|
#endif //CAN_COMPILE_X86_ASM
|
|
memcpy(to, from, len); // prior to mmx we use the standart memcpy
|
|
#else
|
|
#ifdef HAVE_MMX2
|
|
mem2agpcpy_MMX2(to, from, len);
|
|
#elif defined (HAVE_3DNOW)
|
|
mem2agpcpy_3DNow(to, from, len);
|
|
#elif defined (HAVE_MMX)
|
|
mem2agpcpy_MMX(to, from, len);
|
|
#else
|
|
memcpy(to, from, len); // prior to mmx we use the standart memcpy
|
|
#endif
|
|
|
|
#endif //!RUNTIME_CPUDETECT
|
|
}
|
|
|
|
|
|
#endif /* use fastmemcpy */
|
|
|