--- old/src/share/vm/utilities/macros.hpp	2011-02-21 05:04:05.026421239 -0800
+++ new/src/share/vm/utilities/macros.hpp	2011-02-21 05:04:04.702733882 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -161,6 +161,14 @@
 #define NOT_WINDOWS(code) code
 #endif
 
+#ifdef _WIN64
+#define WIN64_ONLY(code) code
+#define NOT_WIN64(code)
+#else
+#define WIN64_ONLY(code)
+#define NOT_WIN64(code) code
+#endif
+
 #if defined(IA32) || defined(AMD64)
 #define X86
 #define X86_ONLY(code) code