Given below is the code for the question. Please do rate the answer if it helped. Thank you.
.data
inMsg: .asciiz "Enter a number: "
outMsg: .asciiz "GCD is "
.text
#print string
la $a0, inMsg
li $v0, 4
syscall
#read int
li $v0, 5
syscall
move $t0, $v0
#print string
la $a0, inMsg
li $v0, 4
syscall
#read int
li $v0, 5
syscall
move $t1, $v0
#set up args and call function gcd
move $a0, $t0
move $a1, $t1
jal gcd
move $t0, $v0 #store result from v0 into t0
#print string
la $a0, outMsg
li $v0, 4
syscall
#print int
move $a0, $t0
li $v0, 1
syscall
#exit
li $v0, 10
syscall
gcd:
#save register on stack
sub $sp, $sp, 12
sw $ra, 0($sp)
sw $a0, 4($sp)
sw $a1, 8($sp)
beqz $a1, base_case
div $a0, $a1 #will leave remainder in HI
move $a0, $a1 #set M =N for next recursive call
mfhi $a1 #set N = remainder of division
jal gcd
b end_gcd
base_case:
move $v0, $a0
end_gcd:
#restore registers
lw $ra, 0($sp)
lw $a0, 4($sp)
lw $a1, 8($sp)
add $sp, $sp, 12
jr $ra
output
---
Enter a number: 12
Enter a number: 15
GCD is 3
-- program is finished running --
Enter a number: 3
Enter a number: 5
GCD is 1
-- program is finished running --
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