Conditional: switch

switch( i ) {

case 1: i++ ;

// falls through

case 2: i += 2 ;

$s1

i

break;

$s4

temp

case 3: i += 3 ;

}

addi $s4, $zero, 1

# case 1: set temp to 1

bne  $s1, $s4, C2_COND

#    false: branch to case 2 cond

j C1_BODY

#    true: branch to case 1 body

C2_COND:

addi $s4, $zero, 2

# case 2: set temp to 2

bne $s1, $s4, C3_COND

#    false: branch to case 3 cond

j C2_BODY

#    true: branch to case 2 body

C3_COND:

addi $s4, $zero, 3

# case 3: set temp to 3

bne $s1, $s4, EXIT

#    false: branch to exit

j C3_BODY

#    true: branch to case 3 body

C1_BODY:

addi $s1, $s1, 1

# case 1 body: i++

C2_BODY:

addi $s1, $s1, 2

# case 2 body: i += 2

j EXIT

#    break

C3_BODY:

addi $s1, $s1, 3

# case 3 body: i += 3

EXIT: