diff -r 7dd181af6a26 -r bf248009cbbe hotspot/src/cpu/x86/vm/assembler_x86.inline.hpp
--- a/hotspot/src/cpu/x86/vm/assembler_x86.inline.hpp	Tue Dec 13 17:10:52 2011 -0800
+++ b/hotspot/src/cpu/x86/vm/assembler_x86.inline.hpp	Wed Dec 14 14:54:38 2011 -0800
@@ -86,6 +86,7 @@
 inline void Assembler::prefixq(Address adr, Register reg) {}
 
 inline void Assembler::prefix(Address adr, XMMRegister reg) {}
+inline void Assembler::prefixq(Address adr, XMMRegister reg) {}
 #else
 inline void Assembler::emit_long64(jlong x) {
   *(jlong*) _code_pos = x;