(Solved) : Lw R1 12 R7 Lw R2 16 R7 Add R1 R1 R2 Sw R1 4 R5 Identify Describe Data Dependencies B Man Q28401671 . . . .

lw r1,12(r7)
lw r2,16(r7)
add r1,r1,r2
sw r1,4(r5)
a. Identify and describe all the data dependencies.
b. How many clock cycles does it take to execute this code withoutany pipelining?
c. How many clock cycles with pipelining, but no bypassing (stallscause the pipeline to wait until previous instruction isfinished)?
d. How many clock cycles with pipelining and bypassing (data isforwarded
to next instruction as soon as is available)?
e. Draw the execution diagram for all approaches.
f. The CPI (cycles per instruction) is obtained by computing theratio of total cycles to number of instructions. Compute the CPIfor all approaches, and compute their rato to calculate theimprovement gained by the pipeline