[RFC/PATCH, 3/4] readX_check() performance evaluation

From: Hironobu Ishii <ishii.hironobu_at_jp.fujitsu.com>
Date: 2004-01-28 12:54:42
This is a patch for rawread 1.0.3.
Original rawread 1.0.3 depends on i386.

Thanks, 
Hironobu Ishii

--- rawread.c.old 2004-01-22 19:33:43.000000000 +0900
+++ rawread.c 2004-01-27 23:26:24.406717936 +0900
@@ -94,8 +94,14 @@
 
 __inline__ unsigned long long int rdtsc()
 {
-  unsigned long long int x;
-  __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));
+ unsigned long long int x;
+#if __i386__
+ __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));
+#elif __ia64__
+ __asm__ volatile ("mov r8 = ar44");
+#else
+ #error "Please write your own rdtsc()"
+#endif
   return x;
 }
 

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Received on Tue Jan 27 20:55:57 2004

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