3. (16 pts) The datapath for 5-stage MIPS Pipeline Architecture is given below. List the resources that are used during the execution of each instruction below. Ignore the MUXes. When listing, use the numbers associated with the resou rces. Address 1 - Program Counter 2 - Adder in IF stage 3 - Instruction Memory 4 - Register File 5 - Sing-extension Unit -Shift-left-2 Unit 7 - Adder in EX stage 8 -ALU 9 - Data Memory Instruction Sw l, 0 (s2) addi s7, s1, 1 sub s4, s3, s2 beq s4, zero, loop Resources used