unsigned getRegOperandSize(const MCRegisterInfo *MRI, const MCInstrDesc &Desc, unsigned OpNo) { unsigned RCID = Desc.OpInfo[OpNo].RegClass; return getRegBitWidth(MRI->getRegClass(RCID)) / 8; }
unsigned getRegBitWidth(const MCRegisterClass &RC) { return getRegBitWidth(RC.getID()); }