1- What is true about the following code sequence: addi x18, x0, 1 addi x19, x0,...
1- What is true about the following code sequence:
addi x18, x0, 1
addi x19, x0, 2
addi x20, x0, 2
addi x21, x0, 4
addi x22, x0, 5
Must stall on the addi results
Can avoid stalls using only forwarding
Can execute without stalling or forwarding
None of the above
2- What is true about the following code sequence:
ld x9, 64(x22)
add x9, x21, x9
Must stall on the ld result
Can avoid stalls using only forwarding
Can execute without stalling or forwarding
None of the above
Homework Answers
1)
(Must stall on
the addi results)
2)
(Can avoid
stalls using only forwarding)
================================================================
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Add Answer to:
1- What is true about
the following code sequence:
addi x18, x0, 1
addi x19, x0,...
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