VM.assert(getFirstConditionRegister() != getTSR());
VM._assert(getFirstConditionRegister() != getTSR());
  OPT_Register getFirstVolatileConditionRegister() {    if (VM.VerifyAssertions) {      VM.assert(getFirstConditionRegister() != getTSR());    }    return  getFirstConditionRegister();  }  /**   * @return the nth physical register in the pool.    */  OPT_Register get(int n) {    return  reg[n];  }