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Hello, I'm trying to figure out this problem where I have some code given and need to figure out the scheduled instructions for the given

Hello, I'm trying to figure out this problem where I have some code given and need to figure out the scheduled instructions for the given MIPS code. Any help will be greatly appreciated. Thank you for your time.

2-issue processors. You are given the following code for a loop:

  1. Loop: lw r1, 0(r6)

    lw r2, 4(r6)

    sub r3, r1, r2

    sw r3, 0(r7)

    addi r6, r6, 8

    addi r7, r7, 8

    addi r4, r4, 2

    bne r4, r0, loop

  2. If the loop exits after executing only two iterations. Show the scheduled instructions for the given MIPS code on a 2-issue processor shown in Figure 4.69. Assume the processor has perfect branch prediction.

loop

ALU/branch

Load/store

cycle

1st iteration

1

2

3

  1. Rearrange the code to achieve better performance on a 2-issue statically scheduled processor from Figure 4.69. Write the sequence below.

  1. Repeat step a for the code from b.

loop

ALU/branch

Load/store

cycle

1st iteration

1

2

3

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