mirror of
https://github.com/mpv-player/mpv
synced 2024-10-30 04:46:41 +01:00
89e9c29aff
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6336 b3059339-0415-0410-9bf9-f77b7e298cf2
58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
/*
|
|
This file contains most common definitions to make MMX stuff
|
|
easy portable between different kinds of mmx clones
|
|
Written By Nick Kurshev <nickols_k@mail.ru>
|
|
*/
|
|
|
|
#ifndef MMXDEFS_INCLUDED
|
|
#define MMXDEFS_INCLUDED
|
|
|
|
#include "config.h"
|
|
|
|
#undef HAVE_MMX1
|
|
#if defined(HAVE_MMX) && !defined(HAVE_MMX2) && !defined(HAVE_3DNOW) && !defined(HAVE_SSE)
|
|
#define HAVE_MMX1
|
|
#endif
|
|
|
|
#undef HAVE_K6_2PLUS
|
|
#if !defined( HAVE_MMX2 ) && defined( HAVE_3DNOW )
|
|
#define HAVE_K6_2PLUS
|
|
#endif
|
|
|
|
#ifdef HAVE_SSE2
|
|
#define MMREG_SIZE 16
|
|
#else
|
|
#define MMREG_SIZE 8
|
|
#endif
|
|
|
|
#ifdef HAVE_3DNOW
|
|
#define PREFETCH "prefetch"
|
|
#define PREFETCHW "prefetchw"
|
|
#define PAVGB "pavgusb"
|
|
#elif defined ( HAVE_MMX2 )
|
|
#define PREFETCH "prefetchnta"
|
|
#define PREFETCHW "prefetcht0"
|
|
#define PAVGB "pavgb"
|
|
#else
|
|
#define PREFETCH "/nop"
|
|
#define PREFETCHW "/nop"
|
|
#endif
|
|
|
|
#ifdef HAVE_3DNOW
|
|
/* On K6 femms is faster of emms. On K7 femms is directly mapped on emms. */
|
|
#define EMMS "femms"
|
|
#else
|
|
#define EMMS "emms"
|
|
#endif
|
|
|
|
#ifdef HAVE_MMX2
|
|
#define MOVNTQ "movntq"
|
|
#define SFENCE "sfence"
|
|
#else
|
|
#define MOVNTQ "movq"
|
|
#define SFENCE "/nop"
|
|
#endif
|
|
|
|
|
|
#endif
|