Convert C loop to MIPS instructions while ai 100 i assume

Convert C loop to MIPS instructions

while( a[i] < 100 ) i++; assume i in $s3, 100 in $s5, address of save in $s6

Solution

The given C loop can be further written as:

L1: if( a[i]<100) {

i++;

goto L1;

}

Now, MIPS instructions will be like this:

L1: lw $s7, 0($s6) # $s7 = a[i]

bge $s7, $s5, DONE # branch if !(a[i] < 100)

addi $s3, $s3, 1 # i++

addi $s6, $s6, 4 # move array pointer

j L1 # goto L1

DONE:

Hope it helps, do give your response.