github/mpv
1
Fork 0
mirror of https://github.com/mpv-player/mpv synced 2024-11-18 21:16:10 +01:00
Code Releases Activity

fixing runtime cpudetect with pre SSE cpus

Browse Source 
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5209 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2002-03-19 22:32:45 +00:00
parent 7848dd4c1c
commit b70ac58b8e
1 changed files with 38 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
libvo/aclib.c
View File

@ -15,7 +15,6 @@
//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
@ -32,7 +31,7 @@
#define COMPILE_MMX
#endif
#if defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)
#if (defined (HAVE_MMX2) && !defined (HAVE_SSE2)) || defined (RUNTIME_CPUDETECT)
#define COMPILE_MMX2
#endif
@ -40,9 +39,15 @@
#define COMPILE_3DNOW
#endif
#if defined (HAVE_SSE2) || defined (RUNTIME_CPUDETECT)
#define COMPILE_SSE
#endif
#undef HAVE_MMX
#undef HAVE_MMX2
#undef HAVE_3DNOW
#undef HAVE_SSE
#undef HAVE_SSE2
#undef ARCH_X86
/*
#ifdef COMPILE_C
@ -60,6 +65,8 @@
#define HAVE_MMX
#undef HAVE_MMX2
#undef HAVE_3DNOW
#undef HAVE_SSE
#undef HAVE_SSE2
#define ARCH_X86
#define RENAME(a) a ## _MMX
#include "aclib_template.c"
@ -71,6 +78,8 @@
#define HAVE_MMX
#define HAVE_MMX2
#undef HAVE_3DNOW
#undef HAVE_SSE
#undef HAVE_SSE2
#define ARCH_X86
#define RENAME(a) a ## _MMX2
#include "aclib_template.c"
@ -82,11 +91,26 @@
#define HAVE_MMX
#undef HAVE_MMX2
#define HAVE_3DNOW
#undef HAVE_SSE
#undef HAVE_SSE2
#define ARCH_X86
#define RENAME(a) a ## _3DNow
#include "aclib_template.c"
#endif
//SSE versions (only used on SSE2 cpus)
#ifdef COMPILE_SSE
#undef RENAME
#define HAVE_MMX
#define HAVE_MMX2
#undef HAVE_3DNOW
#define HAVE_SSE
#define HAVE_SSE2
#define ARCH_X86
#define RENAME(a) a ## _SSE
#include "aclib_template.c"
#endif
#endif // CAN_COMPILE_X86_ASM
@ -95,7 +119,9 @@ 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)
if(gCpuCaps.hasSSE2)
fast_memcpy_SSE(to, from, len);
else if(gCpuCaps.hasMMX2)
fast_memcpy_MMX2(to, from, len);
else if(gCpuCaps.has3DNow)
fast_memcpy_3DNow(to, from, len);
@ -105,7 +131,9 @@ inline void * fast_memcpy(void * to, const void * from, size_t len)
#endif //CAN_COMPILE_X86_ASM
memcpy(to, from, len); // prior to mmx we use the standart memcpy
#else
#ifdef HAVE_MMX2
#ifdef HAVE_SSE2
fast_memcpy_SSE(to, from, len);
#elif defined (HAVE_MMX2)
fast_memcpy_MMX2(to, from, len);
#elif defined (HAVE_3DNOW)
fast_memcpy_3DNow(to, from, len);
@ -123,7 +151,9 @@ 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)
if(gCpuCaps.hasSSE2)
mem2agpcpy_SSE(to, from, len);
else if(gCpuCaps.hasMMX2)
mem2agpcpy_MMX2(to, from, len);
else if(gCpuCaps.has3DNow)
mem2agpcpy_3DNow(to, from, len);
@ -133,7 +163,9 @@ inline void * mem2agpcpy(void * to, const void * from, size_t len)
#endif //CAN_COMPILE_X86_ASM
memcpy(to, from, len); // prior to mmx we use the standart memcpy
#else
#ifdef HAVE_MMX2
#ifdef HAVE_SSE2
mem2agpcpy_SSE(to, from, len);
#elif defined (HAVE_MMX2)
mem2agpcpy_MMX2(to, from, len);
#elif defined (HAVE_3DNOW)
mem2agpcpy_3DNow(to, from, len);
@ -146,6 +178,5 @@ inline void * mem2agpcpy(void * to, const void * from, size_t len)
#endif //!RUNTIME_CPUDETECT
}
#endif /* use fastmemcpy */