return new OPT_MemoryOperand(base, null, (byte)0, 0, size, loc, guard);
return new OPT_MemoryOperand(base, null, (byte)0, Offset.zero(), size, loc, guard);
  public static OPT_MemoryOperand B(OPT_RegisterOperand base,                                     byte size,                                     OPT_LocationOperand loc,                                    OPT_Operand guard) {    return new OPT_MemoryOperand(base, null, (byte)0, 0, size, loc, guard);  }