EMIT(MIR_Move.create(PPC_MOVE, L(defReg), L(leftReg)));
  protected final void LONG_MOVE(OPT_Instruction s,                                  OPT_RegisterOperand def,                                  OPT_RegisterOperand left) {    OPT_Register defReg = def.register;    OPT_Register leftReg = left.register;    EMIT(MIR_Move.create(PPC_MOVE, R(defReg), R(leftReg)));    EMIT(MIR_Move.create(PPC_MOVE,                          R(regpool.getSecondReg(defReg)),                          R(regpool.getSecondReg(leftReg))));  }