unsigned msb = fieldFromInstruction32(Val, 5, 5);
unsigned lsb = fieldFromInstruction32(Val, 0, 5);
- uint32_t msb_mask = (1 << (msb+1)) - 1;
- if (msb == 31) msb_mask = 0xFFFFFFFF;
- uint32_t lsb_mask = (1 << lsb) - 1;
- if (lsb == 31) lsb_mask = 0xFFFFFFFF;
+ uint32_t msb_mask = 0xFFFFFFFF;
+ if (msb != 31) msb_mask = (1U << (msb+1)) - 1;
+ uint32_t lsb_mask = (1U << lsb) - 1;
Inst.addOperand(MCOperand::CreateImm(~(msb_mask ^ lsb_mask)));
return MCDisassembler::Success;