src/cpu/x86/vm/assembler_x86_64.hpp

*** 1109,1118 ****
--- 1109,1120 ----
    // oop manipulations
    void load_klass(Register dst, Register src);
    void store_klass(Register dst, Register src);
    void store_klass_gap(Register dst, Register src);
  
+   void load_prototype_header(Register dst, Register src);
+ 
    void load_heap_oop(Register dst, Address src);
    void store_heap_oop(Address dst, Register src);
    void encode_heap_oop(Register r);
    void decode_heap_oop(Register r);
    void encode_heap_oop_not_null(Register r);