For the code sequence below, state whether it must stall, can avoid stalls using only forwarding, or can execute without stalling or forwarding. i1: addi $t1, $to, 1 12: addi $t2, $t1, 2 13: addi $t3, $t0, 2 14: addi $t4, $to, 4 i5: addi $t4, $t3, -1 16: beq $t0, $0, end end: Which lines in the program would require stalls based on data dependencies

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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For the code sequence below, state whether it must stall, can avoid stalls using only forwarding, or
can execute without stalling or forwarding.
i1: addi $t1, $to, 1
12: addi $t2, $t1, 2
13: addi $t3, $t0, 2
14: addi $t4, $t0, 4
i5: addi $t4, $t3, -1
16: beq $t0, $0 end
end:
Which lines in the program would require stalls based on data dependencies
Reorder the program so that no stalls are required.
Transcribed Image Text:For the code sequence below, state whether it must stall, can avoid stalls using only forwarding, or can execute without stalling or forwarding. i1: addi $t1, $to, 1 12: addi $t2, $t1, 2 13: addi $t3, $t0, 2 14: addi $t4, $t0, 4 i5: addi $t4, $t3, -1 16: beq $t0, $0 end end: Which lines in the program would require stalls based on data dependencies Reorder the program so that no stalls are required.
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