--- a/hotspot/src/cpu/x86/vm/c1_LinearScan_x86.hpp	Tue Nov 23 15:01:43 2010 -0500
+++ b/hotspot/src/cpu/x86/vm/c1_LinearScan_x86.hpp	Tue Nov 23 13:22:55 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 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 +22,9 @@
  *
  */
 
+#ifndef CPU_X86_VM_C1_LINEARSCAN_X86_HPP
+#define CPU_X86_VM_C1_LINEARSCAN_X86_HPP
+
 inline bool LinearScan::is_processed_reg_num(int reg_num) {
 #ifndef _LP64
   // rsp and rbp (numbers 6 ancd 7) are ignored
@@ -185,3 +188,5 @@
   FpuStackAllocator(Compilation* compilation, LinearScan* allocator);
   void allocate();
 };
+
+#endif // CPU_X86_VM_C1_LINEARSCAN_X86_HPP