Write assembly code for a function that returns the sum of an integer array. The function should receive the start address and the length of the array.
:sum
# assuming $a0 has array address
# and $a1 has length
li $v0, 0 # sum = 0
li $t0, 0
for: bge $t0, $a1, end # for (i = 0; i < length;)
sll $t3, $t0, 2
add $t3, $t3, $a0
lw $t3, 0($t3) # $t3 = A[i]
add $v0, $v0, $t3 # sum = sum+A[i]
addi $t0, $t0, 1 # i++
j for
end:
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