diff options
Diffstat (limited to 'postproc/swscale_template.c')
| -rw-r--r-- | postproc/swscale_template.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/postproc/swscale_template.c b/postproc/swscale_template.c index 256d933365..3445f92f30 100644 --- a/postproc/swscale_template.c +++ b/postproc/swscale_template.c @@ -7,6 +7,34 @@ #undef MOVNTQ #undef PAVGB +#undef PREFETCH +#undef PREFETCHW +#undef EMMS +#undef SFENCE + +#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_3DNOW +#define PREFETCH "prefetch" +#define PREFETCHW "prefetchw" +#elif defined ( HAVE_MMX2 ) +#define PREFETCH "prefetchnta" +#define PREFETCHW "prefetcht0" +#else +#define PREFETCH "/nop" +#define PREFETCHW "/nop" +#endif + +#ifdef HAVE_MMX2 +#define SFENCE "sfence" +#else +#define SFENCE "/nop" +#endif #ifdef HAVE_MMX2 #define PAVGB(a,b) "pavgb " #a ", " #b " \n\t" |