Question

1. Translate the following C program into MIPS assembly language, allocate registers as you need, but document the allocation.

int A[10]; // assume initialized elsewhere

int sum = 0;

int I = 0;

while (i<0) { sum += A[i++]; sum+= 2 ;}

plz do not copy from other answer, thx.

Answer 1

Please find the code below :

         ori   $s2, $0, 0             # sum = 0
         ori   $s3, $0, 0             # i = 0
         la    $s6, arr                 # $s6 = &A
L1 : bge $s3, $0, DONE
         lw $s4, $s3($s6)           # $s7 = A[i]
        addu $s2, $s2, $s4         # sum += A[i]
        addi $s3, $s3, 1             # i++
        addi $s2, $s2, 2             # sum += 2
        j   L1                               # Loop back
DONE