How many cycles does this code take to complete

Assignment Help Assembly Language

Reference no: EM132103862

Problem #1

Given assembly language instructions :-

I1: lw $3, 100($5)

I2: add $6, $3, $2

I3: sub $9, $3, $8

I4: lw $1, 2000($9)

I5: add $5, $4, $3

I6: addi $7, $1, #8

a. Indicate all data dependencies (RAW, WAR, WAW) that exist between instructions.

b. Assume that the data is written in the first half-cycle and read in the second half-cycle. Show a pipeline execution diagram for the program by inserting nop instructions to eliminate the data hazard.

c. How many cycles does this code take to complete?

Problem #2

Given assembly language instructions :-

I1: lw $4, 8($16)

I2: lw $5, 16($4)

I3: add $2, $4, $5

a. indicate all data dependencies (RAW, WAR, WAW) that exist between instructions.

b. Insert nops to ensure correct execution of the code for a 5-stage pipeline system. Assume that the first half of the clock cycle write-back stage writes to register file and the second half of the clock cycle the decode stage performs a read of source registers.

Reference no: EM132103862

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