A 5-stage pipelined processor has IF, ID, EX, MA and WB. WB stage operation is divided into two parts. In the first part register write operation and in the second part register read operation is performed. The latency of all those stages are 300, 400, 500, 500 and 300 (in nano seconds) respectively. Consider, the following code is executed on this processor, operand forwarding is used in the pipeline Instruction No. Instruction Meaning of Instruction ADD R, Ry R SUB R Ry Rg RR+R RRg-Rg R,-R,+R ADD R, R, R SUB R, R, R4 RR-R4 The program execution time (ns).

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A 5-stage pipelined processor has IF, ID, EX, MA and WB. WB stage operation is divided into two parts. In the first part register write
operation and in the second part register read operation is performed. The latency of all those stages are 300, 400, 500, 500 and 300 (in
nano seconds) respectively. Consider, the following code is executed on this processor, operand forwarding is used in the pipeline
Instruction No.
Instruction
Meaning of Instruction
ADD Ry Ry R.
SUB R, Ry Rg
RgtR,+ Rq
R R-R5
ADD R, Rg Rg
R,tRg+ Rg
SUB R, R, R4
R R-R4
The program execution time
(ns).
Transcribed Image Text:A 5-stage pipelined processor has IF, ID, EX, MA and WB. WB stage operation is divided into two parts. In the first part register write operation and in the second part register read operation is performed. The latency of all those stages are 300, 400, 500, 500 and 300 (in nano seconds) respectively. Consider, the following code is executed on this processor, operand forwarding is used in the pipeline Instruction No. Instruction Meaning of Instruction ADD Ry Ry R. SUB R, Ry Rg RgtR,+ Rq R R-R5 ADD R, Rg Rg R,tRg+ Rg SUB R, R, R4 R R-R4 The program execution time (ns).
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