diff -r 7aa4c9e7f85b -r c1f00a6ecf59 hotspot/src/cpu/x86/vm/globalDefinitions_x86.hpp
--- a/hotspot/src/cpu/x86/vm/globalDefinitions_x86.hpp	Mon Apr 29 01:58:43 2013 -0700
+++ b/hotspot/src/cpu/x86/vm/globalDefinitions_x86.hpp	Tue May 07 10:19:33 2013 -0400
@@ -27,4 +27,6 @@
 
 const int StackAlignmentInBytes  = 16;
 
+#define SUPPORTS_NATIVE_CX8
+
 #endif // CPU_X86_VM_GLOBALDEFINITIONS_X86_HPP