--- include/STTypes.h.orig	2010-12-21 09:52:30.000000000 +0100
+++ include/STTypes.h	2010-12-21 09:52:36.000000000 +0100
@@ -87,7 +87,7 @@ namespace soundtouch
  
  #endif
 
-    #if (WIN32 || __i386__ || __x86_64__)
+    #if (WIN32 || __i386__)
         /// Define this to allow X86-specific assembler/intrinsic optimizations. 
         /// Notice that library contains also usual C++ versions of each of these
         /// these routines, so if you're having difficulties getting the optimized