A method for operating a data processing system is provided. The method includes providing a first operand stored in a first register, providing a second operand stored in the register, providing a third operand stored in the register. The method further includes executing a first instruction, where executing the first instruction comprises: (1) retrieving the first operand, the second operand, and the third operand from the first register; (2) performing an operation using the first operand, the second operand, and the third operand to generate a bit exact result.