void MacroAssembler::store_check(Register obj) {

  {- -------------------------------------------
  (1) MacroAssembler::store_check_part_1() 及び
      MacroAssembler::store_check_part_2() を呼び出すだけ.
      ---------------------------------------- -}

      // Does a store check for the oop in register obj. The content of
      // register obj is destroyed afterwards.
      store_check_part_1(obj);
      store_check_part_2(obj);
    }