[Ffmpeg-cvslog] CVS: ffmpeg/libavcodec common.h,1.147,1.148

[Aurelien Jacobs CVS]

Update of /cvsroot/ffmpeg/ffmpeg/libavcodec
In directory mail:/var2/tmp/cvs-serv20295/libavcodec

Modified Files:
	common.h 
Log Message:
add an AMD64 specific implementation of rdtsc()

Index: common.h
===================================================================
RCS file: /cvsroot/ffmpeg/ffmpeg/libavcodec/common.h,v
retrieving revision 1.147
retrieving revision 1.148
diff -u -d -r1.147 -r1.148
--- common.h	6 Mar 2005 23:20:53 -0000	1.147
+++ common.h	18 Apr 2005 11:24:20 -0000	1.148
@@ -457,6 +457,16 @@
 #endif
 
 #if defined(ARCH_X86) || defined(ARCH_X86_64)
+#if defined(ARCH_X86_64)
+static inline uint64_t rdtsc(void)
+{
+	uint64_t a, d;
+	asm volatile(	"rdtsc\n\t"
+		: "=a" (a), "=d" (d)
+	);
+	return (d << 32) | (a & 0xffffffff);
+}
+#else
 static inline long long rdtsc(void)
 {
 	long long l;
@@ -465,6 +475,7 @@
 	);
 	return l;
 }
+#endif
 
 #define START_TIMER \
 uint64_t tend;\