4. What will be in $8 after execution? Assume $9 contains a valid RAM address. .data...

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Question

4. What will be in $8 after execution? Assume $9 contains a valid RAM address. .data...

4.

What will be in $8 after execution?

Assume $9 contains a valid RAM address.

.data

A: 5 10 15

.text

Main:

la $9, A

addi $10, $0, 5

sw $10, 8($9)

addi $9, $9, 8

lw $8, 0($9)

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Answer 1

Answer #1

SOLUTION-

For this assembly code , $8 will contain 5.

la $9, A ---> ; $9 will contain base address of array A

addi $10, $0, 5 ---> ; $10 = 0 + 5 = 5

sw $10, 8($9) ---> ;8($9) that is A[2] = $10 = 5 that is 15 would be replaced by 5

addi $9, $9, 8 -----> ; adding 8 to the base address of the array A that is $9 = A[2]

lw $8, 0($9) -----> ; $8 = base of $9 that is A[2] so would store 5

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