diff -r dfe27f03244a -r e9ff18c4ace7 src/cpu/x86/vm/assembler_x86.hpp
--- a/src/cpu/x86/vm/assembler_x86.hpp	Tue Jun 01 11:48:33 2010 -0700
+++ b/src/cpu/x86/vm/assembler_x86.hpp	Wed Jun 02 22:45:42 2010 -0700
@@ -135,6 +135,9 @@
 
 #endif // _LP64
 
+// JSR 292 fixed register usages:
+REGISTER_DECLARATION(Register, rbp_mh_SP_save, rbp);
+
 // Address is an abstraction used to represent a memory location
 // using any of the amd64 addressing modes with one object.
 //