The feed forward path in Figure 8 7 (blue lines) allows the content of the RSLT register to be used directly in an ALU operation The result of that operation is stored back in the RSLT register, replacing its previous contents What type of register is needed to make such an operation possible Consider the two instructions Assume that before instruction I, 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 LO1 I Add R1, R2, R3 12 Shift left R3

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Question: The feed-forward path in Figure 8.7 (blue lines) allows the content of the RSLT register to be used directly in an ALU operation. The result

The feed-forward path in Figure 8.7 (blue lines) allows the content of the RSLT register to be used directly in an ALU operation. The result of that operation is stored back in the RSLT register, replacing its previous contents. What type of register is needed to make such an operation possible? Consider the two instructions I: Add R1, R2, R3 12: Shift left R3

Assume that before instruction I, 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.LO1

I: Add R1, R2, R3 12: Shift left R3

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