# switch.s

            .text
            .globl main

main:       lw $t0,op
            lw $t1,x
            bge $t0,3,default
            sll $t0,$t0,2
            lw $t0,stable($t0)
            jr $t0
case0:      mul $t2,$t1,3 # $t2 = x*3
            j endswitch
case1:      addi $t2,$t1,5 # $t2 = x+5
            j endswitch
case2:      div $t2,$t1,2 # $t2 = x/2
            j endswitch
default:    move $t2,$t1 # $t2 = x
endswitch:  sw $t2,y

            .data
op:         .word 1 # provare con 0, 1, 2 e 5
stable:     .word case0,case1,case2
x:          .word 6
y:          .word 0