--- a/hotspot/src/cpu/x86/vm/register_x86.hpp	Tue Nov 23 15:01:43 2010 -0500
+++ b/hotspot/src/cpu/x86/vm/register_x86.hpp	Tue Nov 23 13:22:55 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2010, 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
@@ -22,6 +22,12 @@
  *
  */
 
+#ifndef CPU_X86_VM_REGISTER_X86_HPP
+#define CPU_X86_VM_REGISTER_X86_HPP
+
+#include "asm/register.hpp"
+#include "vm_version_x86.hpp"
+
 class VMRegImpl;
 typedef VMRegImpl* VMReg;
 
@@ -219,3 +225,5 @@
   static const int max_xmm;
 
 };
+
+#endif // CPU_X86_VM_REGISTER_X86_HPP