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GATE | Gate IT 2007 | Question 41
Following table indicates the latencies of operations between the instruction producing the result and instruction using the result.
C
What is the number of cycles needed to execute the above code segment assuming each instruction takes one cycle to execute ?
Load R1, Loc 1; Load R1 from memory location Loc1
Load R2, Loc 2; Load R2 from memory location Loc 2
Add R1, R2, R1; Add R1 and R2 and save result in R1
Dec R2; Decrement R2
Dec R1; Decrement R1
Mpy R1, R2, R3; Multiply R1 and R2 and save result in R3
Store R3, Loc 3; Store R3 in memory location Loc 3
(A)
7
(B)
10
(C)
13
(D)
14
Answer
Please comment below if you find anything wrong in the above post
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