Disclosed are a processor, a processor operation method and an electronic device comprising same. The disclosed processor operation method comprises the steps of: identifying an instruction for instructing the execution of a first operation and address information of an operand corresponding to the instruction; and executing the instruction on the basis of whether or not the address information of the operand satisfies a predetermined condition. In the step of executing the instruction, a second operation configured to the instruction is executed for the operand if the address information of the operand satisfies the predetermined condition, and the first operation is executed for the operand if the address information of the operand does not satisfy the predetermined condition.