2485     auto *T_Carry = I32Reg(), *T_Lo = I32Reg(), *T_Hi = I32Reg(),  in lowerInt64Arithmetic()  local
2490     _addu(T_Hi, T_Carry, Src0HiR);  in lowerInt64Arithmetic()
2491     _addu(T_Hi2, Src1HiR, T_Hi);  in lowerInt64Arithmetic()
2500     auto *T_Lo = I32Reg(), *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2503     _and(T_Hi, Src0HiR, Src1HiR);  in lowerInt64Arithmetic()
2504     _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2512     auto *T_Borrow = I32Reg(), *T_Lo = I32Reg(), *T_Hi = I32Reg(),  in lowerInt64Arithmetic()  local
2517     _addu(T_Hi, T_Borrow, Src1HiR);  in lowerInt64Arithmetic()
2518     _subu(T_Hi2, Src0HiR, T_Hi);  in lowerInt64Arithmetic()
2527     auto *T_Lo = I32Reg(), *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2530     _or(T_Hi, Src0HiR, Src1HiR);  in lowerInt64Arithmetic()
2531     _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2539     auto *T_Lo = I32Reg(), *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2542     _xor(T_Hi, Src0HiR, Src1HiR);  in lowerInt64Arithmetic()
2543     _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2553     auto *T_Lo = I32Reg(RegMIPS32::Reg_LO), *T_Hi = I32Reg(RegMIPS32::Reg_HI);  in lowerInt64Arithmetic()  local
2557     Context.insert<InstFakeDef>(T_Hi, T_Lo);  in lowerInt64Arithmetic()
2559     _mfhi(T2, T_Hi);  in lowerInt64Arithmetic()
2570     auto *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2587         _addu(T_Hi, Src0HiR, T2);  in lowerInt64Arithmetic()
2592         _or(T_Hi, T1, T2);  in lowerInt64Arithmetic()
2596         _mov(T_Hi, Src0LoR);  in lowerInt64Arithmetic()
2598         _sll(T_Hi, Src0LoR, ShiftAmount - INT32_BITS);  in lowerInt64Arithmetic()
2602       _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2614     _or(T_Hi, T1, T4);  in lowerInt64Arithmetic()
2617     _mov(T1_Hi, T_Hi);  in lowerInt64Arithmetic()
2629     auto *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2646         _srl(T_Hi, Src0HiR, ShiftAmount);  in lowerInt64Arithmetic()
2649         _addiu(T_Hi, getZero(), 0);  in lowerInt64Arithmetic()
2652         _addiu(T_Hi, getZero(), 0);  in lowerInt64Arithmetic()
2655       _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2668     _srlv(T_Hi, Src0HiR, Src1LoR);  in lowerInt64Arithmetic()
2670     _mov(T1_Hi, T_Hi);  in lowerInt64Arithmetic()
2673     _movn(T1_Lo, T_Hi, T5);  in lowerInt64Arithmetic()
2682     auto *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2700         _sra(T_Hi, Src0HiR, ShiftAmount);  in lowerInt64Arithmetic()
2702         _sra(T_Hi, Src0HiR, INT32_BITS - 1);  in lowerInt64Arithmetic()
2706         _sra(T_Hi, Src0HiR, INT32_BITS - 1);  in lowerInt64Arithmetic()
2709       _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2722     _srav(T_Hi, Src0HiR, Src1LoR);  in lowerInt64Arithmetic()
2724     _mov(T1_Hi, T_Hi);  in lowerInt64Arithmetic()
2727     _movn(T1_Lo, T_Hi, T5);  in lowerInt64Arithmetic()
3079     auto *T_Lo = I32Reg(), *T_Hi = I32Reg();  in lowerAssign()  local
3082     _mov(T_Hi, Src0Hi);  in lowerAssign()
3083     _mov(DestHi, T_Hi);  in lowerAssign()
3670       Variable *T_Hi = I32Reg();  in lowerCast()  local
3679         _sra(T_Hi, T2_Lo, INT32_BITS - 1);  in lowerCast()
3680         _mov(DestHi, T_Hi);  in lowerCast()
3684         _sra(T_Hi, T1_Lo, INT32_BITS - 1);  in lowerCast()
3685         _mov(DestHi, T_Hi);  in lowerCast()
3707       Variable *T_Hi = I32Reg();  in lowerCast()  local
3718       _addiu(T_Hi, Zero, 0);  in lowerCast()
3719       _mov(DestHi, T_Hi);  in lowerCast()