diff -r 50c604cb0d5f -r 30245956af37 hotspot/src/cpu/x86/vm/templateTable_x86_64.hpp
--- a/hotspot/src/cpu/x86/vm/templateTable_x86_64.hpp	Mon Jul 23 13:04:59 2012 -0700
+++ b/hotspot/src/cpu/x86/vm/templateTable_x86_64.hpp	Tue Jul 24 10:51:00 2012 -0700
@@ -25,7 +25,12 @@
 #ifndef CPU_X86_VM_TEMPLATETABLE_X86_64_HPP
 #define CPU_X86_VM_TEMPLATETABLE_X86_64_HPP
 
-  static void prepare_invoke(Register method, Register index, int byte_no);
+  static void prepare_invoke(int byte_no,
+                             Register method,         // linked method (or i-klass)
+                             Register index = noreg,  // itable index, MethodType, etc.
+                             Register recv  = noreg,  // if caller wants to see it
+                             Register flags = noreg   // if caller wants to test it
+                             );
   static void invokevirtual_helper(Register index, Register recv,
                                    Register flags);
   static void volatile_barrier(Assembler::Membar_mask_bits order_constraint);