2470     auto *T_Carry = I32Reg(), *T_Lo = I32Reg(), *T_Hi = I32Reg(),  in lowerInt64Arithmetic()  local
2475     _addu(T_Hi, T_Carry, Src0HiR);  in lowerInt64Arithmetic()
2476     _addu(T_Hi2, Src1HiR, T_Hi);  in lowerInt64Arithmetic()
2485     auto *T_Lo = I32Reg(), *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2488     _and(T_Hi, Src0HiR, Src1HiR);  in lowerInt64Arithmetic()
2489     _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2497     auto *T_Borrow = I32Reg(), *T_Lo = I32Reg(), *T_Hi = I32Reg(),  in lowerInt64Arithmetic()  local
2502     _addu(T_Hi, T_Borrow, Src1HiR);  in lowerInt64Arithmetic()
2503     _subu(T_Hi2, Src0HiR, T_Hi);  in lowerInt64Arithmetic()
2512     auto *T_Lo = I32Reg(), *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2515     _or(T_Hi, Src0HiR, Src1HiR);  in lowerInt64Arithmetic()
2516     _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2524     auto *T_Lo = I32Reg(), *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2527     _xor(T_Hi, Src0HiR, Src1HiR);  in lowerInt64Arithmetic()
2528     _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2538     auto *T_Lo = I32Reg(RegMIPS32::Reg_LO), *T_Hi = I32Reg(RegMIPS32::Reg_HI);  in lowerInt64Arithmetic()  local
2542     Context.insert<InstFakeDef>(T_Hi, T_Lo);  in lowerInt64Arithmetic()
2544     _mfhi(T2, T_Hi);  in lowerInt64Arithmetic()
2555     auto *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2572         _addu(T_Hi, Src0HiR, T2);  in lowerInt64Arithmetic()
2577         _or(T_Hi, T1, T2);  in lowerInt64Arithmetic()
2581         _mov(T_Hi, Src0LoR);  in lowerInt64Arithmetic()
2583         _sll(T_Hi, Src0LoR, ShiftAmount - INT32_BITS);  in lowerInt64Arithmetic()
2587       _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2599     _or(T_Hi, T1, T4);  in lowerInt64Arithmetic()
2602     _mov(T1_Hi, T_Hi);  in lowerInt64Arithmetic()
2614     auto *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2631         _srl(T_Hi, Src0HiR, ShiftAmount);  in lowerInt64Arithmetic()
2634         _addiu(T_Hi, getZero(), 0);  in lowerInt64Arithmetic()
2637         _addiu(T_Hi, getZero(), 0);  in lowerInt64Arithmetic()
2640       _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2653     _srlv(T_Hi, Src0HiR, Src1LoR);  in lowerInt64Arithmetic()
2655     _mov(T1_Hi, T_Hi);  in lowerInt64Arithmetic()
2658     _movn(T1_Lo, T_Hi, T5);  in lowerInt64Arithmetic()
2667     auto *T_Hi = I32Reg();  in lowerInt64Arithmetic()  local
2685         _sra(T_Hi, Src0HiR, ShiftAmount);  in lowerInt64Arithmetic()
2687         _sra(T_Hi, Src0HiR, INT32_BITS - 1);  in lowerInt64Arithmetic()
2691         _sra(T_Hi, Src0HiR, INT32_BITS - 1);  in lowerInt64Arithmetic()
2694       _mov(DestHi, T_Hi);  in lowerInt64Arithmetic()
2707     _srav(T_Hi, Src0HiR, Src1LoR);  in lowerInt64Arithmetic()
2709     _mov(T1_Hi, T_Hi);  in lowerInt64Arithmetic()
2712     _movn(T1_Lo, T_Hi, T5);  in lowerInt64Arithmetic()
3064     auto *T_Lo = I32Reg(), *T_Hi = I32Reg();  in lowerAssign()  local
3067     _mov(T_Hi, Src0Hi);  in lowerAssign()
3068     _mov(DestHi, T_Hi);  in lowerAssign()
3655       Variable *T_Hi = I32Reg();  in lowerCast()  local
3664         _sra(T_Hi, T2_Lo, INT32_BITS - 1);  in lowerCast()
3665         _mov(DestHi, T_Hi);  in lowerCast()
3669         _sra(T_Hi, T1_Lo, INT32_BITS - 1);  in lowerCast()
3670         _mov(DestHi, T_Hi);  in lowerCast()
3692       Variable *T_Hi = I32Reg();  in lowerCast()  local
3703       _addiu(T_Hi, Zero, 0);  in lowerCast()
3704       _mov(DestHi, T_Hi);  in lowerCast()