161   constexpr bool IsPair() const {  in IsPair()  function
209     DCHECK(!IsPair()) << "reg_ = 0x" << std::hex << reg_;  in GetReg()
216     DCHECK(!IsPair());  in SetReg()
222     DCHECK(IsPair());  in SetLowReg()
228     DCHECK(IsPair());  in GetLowReg()
234     DCHECK(IsPair());  in GetLow()
240     DCHECK(IsPair());  in GetHighReg()
246     DCHECK(IsPair());  in GetHigh()
251     DCHECK(IsPair());  in SetHighReg()
272     DCHECK(!low.IsPair());  in MakeRegPair()
274     DCHECK(!high.IsPair());  in MakeRegPair()