lis $4
.word 4
lis $11
.word 1
.import print
sub $29, $30, $4 ; initialize frame pointer
lis $12
.word 8 ; $12 stores the total space we need
sub $30, $30, $12 ; set the stack frame
sw $1, 0($29) ; store first param
sw $2, -4($29) ; store second param
lw $3, 0($29) ; Load value of ID, a, into $3
sw $3, -4($30) ; push register 3
sub $30, $30, $4 ; update stack pointer
lw $3, -4($29) ; Load value of ID, b, into $3
add $30, $30, $4
lw $5, -4($30) ; pop the top of the stack
slt $3, $5, $3
beq $3, $0, IF1
lw $3, 0($29) ; Load value of ID, a, into $3
sw $1, -4($30) ; push register 1
sub $30, $30, $4 ; update stack pointer
add $1, $3, $0 ; move expression from $3 to $1
lis $10
.word print
sw $31, -4($30) ; push register 31
sub $30, $30, $4 ; update stack pointer
jalr $10 ; print procedure
add $30, $30, $4
lw $31, -4($30) ; restore $31 after procedure call
add $30, $30, $4
lw $1, -4($30) ; restore $1 after procedure call
beq $0, $0, ELSE1
IF1:
lw $3, -4($29) ; Load value of ID, b, into $3
sw $1, -4($30) ; push register 1
sub $30, $30, $4 ; update stack pointer
add $1, $3, $0 ; move expression from $3 to $1
lis $10
.word print
sw $31, -4($30) ; push register 31
sub $30, $30, $4 ; update stack pointer
jalr $10 ; print procedure
add $30, $30, $4
lw $31, -4($30) ; restore $31 after procedure call
add $30, $30, $4
lw $1, -4($30) ; restore $1 after procedure call
ELSE1:
lis $3
.word 0
add $30, $29, $4 ; reset stack
jr $31