sfence

Originally committed as revision 2514 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
23 years ago · 79811694c5
parent 18224bc9be
commit 79811694c5
2 changed files with 14 additions and 0 deletions
--- a/postproc/rgb2rgb.c
+++ b/postproc/rgb2rgb.c
@ -23,6 +23,10 @@
 #define MOVNTQ "movq"
 #endif

+#ifdef HAVE_MMX2
+#define SFENCE "sfence"
+#endif
+
 void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
 {
  uint8_t *dest = dst;
@ -65,6 +69,9 @@ void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
    dest += 16;
    s += 12;
  }
+#ifdef SFENCE
+  __asm __volatile(SFENCE:::"memory");
+#endif
  __asm __volatile(EMMS:::"memory");
 #endif
  while(s < end)
--- a/postproc/rgb2rgb_template.c
+++ b/postproc/rgb2rgb_template.c
@ -23,6 +23,10 @@
 #define MOVNTQ "movq"
 #endif

+#ifdef HAVE_MMX2
+#define SFENCE "sfence"
+#endif
+
 void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
 {
  uint8_t *dest = dst;
@ -65,6 +69,9 @@ void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
    dest += 16;
    s += 12;
  }
+#ifdef SFENCE
+  __asm __volatile(SFENCE:::"memory");
+#endif
  __asm __volatile(EMMS:::"memory");
 #endif
  while(s < end)