COMP ORG HELP - Consider the diagram below.

1) What is kept in each register located between two pipeline stages in case of the following instruction: add $2, $5, $6

2) How many bites wide is each pipeline register?

3) Discuss the functionality of the RegDst and ALUSrc control wires.

PCSrc Add u PC Address instruction memory IF/ID IDEX WB Control EXE Add Add esul Shift left 2 ALUSrc Read Read H data register 1 Read Zero register 2 ALU ALU Registers Read result Write data 2 register Write data Instruction (15-01 16 6 ALU Sign- extend control nstruction 20-16 ALUOp [15-111 RegDst EXKAMIEM WB MEM/WB WB Branch Read Address data Data memory Write data Mem Read PCSrc Add u PC Address instruction memory IF/ID IDEX WB Control EXE Add Add esul Shift left 2 ALUSrc Read Read H data register 1 Read Zero register 2 ALU ALU Registers Read result Write data 2 register Write data Instruction (15-01 16 6 ALU Sign- extend control nstruction 20-16 ALUOp [15-111 RegDst EXKAMIEM WB MEM/WB WB Branch Read Address data Data memory Write data Mem Read