Question 2 (2 marks) [CLO.1.2, K2, CLO.2.1, S1] 1. Fill in the blanks with its corresponding code in Mips assembly or the appropriate comment

leaf_example: addi $sp, $sp, -4 #reserve a place in the stack $s0, 0($sp) # Save $s0 on stack add $t0, $a0, $a1 #........................ add $t1, $a2, $a3 #....................... . $s0, $t0, $t1 #f = (g + h) - (i + j); add $v0, $s0, $zero # place result in $v0 lw $s0, 0($sp) # Restore $s0 $sp, $sp, 4 # restore the stack jr $ra # Return

2. Explain the role of the register $Sp?