Question

The operand forward technique allows the content of the RSLT (Buffer

B3) register to be used directly in an ALU operation. The result of that

operation is stored back in the RSLT register, replacing its previous

content. What type of register is needed to make such an operation

possible?

Consider the two instructions

I1: Add R1, R2, R3

I2: Shift_left R3

Assume that before instruction I1 is executed, R1, R2, R3 and RSLT

contain the values 30, 100, 45, and 198, respectively. Draw a timing

diagram for a 4-stage pipeline, showing the clock signal and the

contents of the RSLT register during each cycle. Use your diagram to

show that correct results will be obtained during the forwarding

operation.​

Answer 1

Answer:

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Explanation:

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