--- linux-2.6.13-rc3/include/asm-x86_64/processor.h	2005-07-13 06:46:46.000000000 +0200
+++ linux-2.6.13-rc3-ed/include/asm-x86_64/processor.h	2005-07-28 18:47:39.000000000 +0200
@@ -398,7 +398,7 @@
 #define ARCH_HAS_PREFETCHW 1
 static inline void prefetchw(void *x) 
 { 
-	alternative_input(ASM_NOP5,
+	alternative_input("prefetcht0 (%1)",
 			  "prefetchw (%1)",
 			  X86_FEATURE_3DNOW,
 			  "r" (x));