# B[i] = B[i]+(Somma da 0 a i [A[j]])
.data
    A: .word 1 2 3 4 5 6 7 8
    B: .word 10 11 12 13 14 15 16 17
    n: .word 8

.text

main:
    la $a0, A
    la $a1, B
    la $a2, n
    lw $a2, 0($a2)

    addi $sp, $sp, -4
    sw $ra, 0($sp)

    jal somma

    lw $ra, 0($sp)
    addi $sp, $sp, 4

    jr $ra

somma:
    sll $a2, $a2, 2      # n *= 4
    add $t0, $0, $0      # indice i = 0
    somma2:
        bne $t0, $a2, else      # if i != n goto else
        jr $ra

        else:
            add $a3, $a1, $t0     # $a3 = &B[i]
            add $t2, $0, $0       # indice j = 0

            addi $sp, $sp, -12
            sw $ra, 0($sp)
            sw $a1, 4($sp)
            sw $a2, 8($sp)

            add $s0, $0, $0       # $s0 = 0
            add $a1, $t2, $0      # $a1 = j
            addi $a2, $t0, 4      # $a2 = i+1

            jal for

            lw $ra, 0($sp)
            lw $a1, 4($sp)
            lw $a2, 8($sp)
            addi $sp, $sp, 12

            sw $v0, 0($a3)
            addi $t0, $t0, 4       # i += 1
            j somma2

for:
    bne $a1, $a2, else2    #if j != i goto else2
    lw $v0, 0($a3)         #$v0 = B[i]
    jr $ra

    else2:
    addi $sp, $sp, -8
    sw $ra, 0($sp)
    sw $s0, 4($sp)

    add $t3, $a0, $a1     #$t3 = &A[j]
    lw $t3, 0($t3)        #$t3 = A[j]
    add $s0, $0, $t3     #$s0 += A[j]
    addi $a1, $a1, 4      #j += 1

    jal for

    add $v0, $v0, $s0    #$v0 += A[j]

    lw $ra, 0($sp)
    lw $s0, 4($sp)

    addi $sp, $sp, 8
    jr $ra