3DNOW optimization fix

PATCH New Anders Peter Fugmann 1 participant 1 message Aug 25, 2001

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Anders Peter Fugmann

author

2001-08-25 23:40 UTC #0 lore raw

PATCH 1/1 3DNOW optimization fix

As noted by Andreas Franck, the assembler instruction for write prefetch is mistakenly a read prefetch. Below is for linux-2.4.8-ac11 that corrects the error.

Regards
Anders Fugmann
--

include/asm-i386/processor.h Sun Aug 26 01:22:36 2001 renamed from include/asm-i386/processor.h~ Sun Aug 26 01:18:12 2001 +1 -1

@@ -501,7 +502,7 @@
 
  extern inline void prefetchw(const void *x)
  {
-        __asm__ __volatile__ ("prefetch (%0)" : : "r"(x));
+        __asm__ __volatile__ ("prefetchw (%0)" : : "r"(x));
  }
  #define spin_lock_prefetch(x)  prefetchw(x)