(mop.disp == 0) &&
(mop.disp.isZero()) &&
  static boolean isRegInd(OPT_Operand op) {    if (op instanceof OPT_MemoryOperand) {      OPT_MemoryOperand mop = (OPT_MemoryOperand) op;      return (mop.base != null) &&        (mop.index == null) &&        (mop.disp == 0) &&        (mop.scale == 0);    } else      return false;  }