return OPT_MemoryOperand.BID(R(base), R(index), Offset.fromIntSignExtend(disp), size, loc, guard);
return OPT_MemoryOperand.BID(R(base), R(index), disp, size, loc, guard);
  protected final OPT_MemoryOperand MO_BID(OPT_Operand base,                                            OPT_Operand index,                                            int disp, byte size,                                            OPT_LocationOperand loc,                                           OPT_Operand guard) {    return OPT_MemoryOperand.BID(R(base), R(index), Offset.fromIntSignExtend(disp), size, loc, guard);  }