*** old/src/cpu/x86/vm/macroAssembler_x86.hpp	Thu Aug 15 09:47:56 2013
--- new/src/cpu/x86/vm/macroAssembler_x86.hpp	Thu Aug 15 09:47:54 2013

*** 369,378 ****
--- 369,382 ----
    void set_narrow_klass(Register dst, Klass* k);
    void set_narrow_klass(Address dst, Klass* k);
    void cmp_narrow_klass(Register dst, Klass* k);
    void cmp_narrow_klass(Address dst, Klass* k);
  
+   // Returns the byte size of the instructions generated by decode_klass_not_null()
+   // when compressed klass pointers are being used.
+   static int instr_size_for_decode_klass_not_null();
+ 
    // if heap base register is used - reinit it with the correct value
    void reinit_heapbase();
  
    DEBUG_ONLY(void verify_heapbase(const char* msg);)