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factorial.tiger.cfg.s
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factorial.tiger.cfg.s
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# [ RUN ] parsing code...
# let var id : int := intlit ; var id : int ; var id : int := intlit ; in for id := intlit to id do id := id * id ; enddo ; id ( id ) ; end
# ----------------------------------------
# Table: # Variables
# Name: loopCounter
# ----------------------------------------
# Scope: 0
# Type: int
# Dimension: 0
# Parameters: -
# Parameter types: -
# Parameter dimensions: -
# Return type: -
# ----------------------------------------
# Table: # Variables
# Name: number
# ----------------------------------------
# Scope: 0
# Type: int
# Dimension: 0
# Parameters: -
# Parameter types: -
# Parameter dimensions: -
# Return type: -
# ----------------------------------------
# Table: # Variables
# Name: result
# ----------------------------------------
# Scope: 0
# Type: int
# Dimension: 0
# Parameters: -
# Parameter types: -
# Parameter dimensions: -
# Return type: -
# ----------------------------------------
# Table: # Variables
# Name: t0
# ----------------------------------------
# Scope: 0
# Type: int
# Dimension: 0
# Parameters: -
# Parameter types: -
# Parameter dimensions: -
# Return type: -
# ----------------------------------------
# Table: # Types
# Name: float
# ----------------------------------------
# Scope: 0
# Type: float
# Dimension: 0
# Parameters: -
# Parameter types: -
# Parameter dimensions: -
# Return type: -
# ----------------------------------------
# Table: # Types
# Name: int
# ----------------------------------------
# Scope: 0
# Type: int
# Dimension: 0
# Parameters: -
# Parameter types: -
# Parameter dimensions: -
# Return type: -
# ----------------------------------------
# Table: # Functions
# Name: exit
# ----------------------------------------
# Scope: 0
# Type: -
# Dimension: -
# Parameters: [i]
# Parameter types: [int]
# Parameter dimensions: [0]
# Return type: -
# ----------------------------------------
# Table: # Functions
# Name: flush
# ----------------------------------------
# Scope: 0
# Type: -
# Dimension: -
# Parameters: []
# Parameter types: []
# Parameter dimensions: []
# Return type: -
# ----------------------------------------
# Table: # Functions
# Name: not
# ----------------------------------------
# Scope: 0
# Type: -
# Dimension: -
# Parameters: [i]
# Parameter types: [int]
# Parameter dimensions: [0]
# Return type: int
# ----------------------------------------
# Table: # Functions
# Name: printi
# ----------------------------------------
# Scope: 0
# Type: -
# Dimension: -
# Parameters: [i]
# Parameter types: [int]
# Parameter dimensions: [0]
# Return type: -
# ----------------------------------------
# [ OK ] successful parse...
# ----------------------------------------
# Generate IR CODE ...
# ----------------------------------------
# assign, number, 8,
# assign, loopCounter, 0,
# assign, result, 1,
# main:
# assign, loopCounter, 1,
# loop_label0:
# brgt, loopCounter, number, loop_label1
# mult, result, loopCounter, t0
# assign, result, t0,
# add, loopCounter, 1, loopCounter
# goto, loop_label0, ,
# loop_label1:
# call, printi, result
# return, , ,
# ----------------------------------------
# Default select cfg technique to optimize IR code ...
# Detect block 0 IR line : 4 ~ 5
# Detect block 1 IR line : 6 ~ 11
# Detect block 2 IR line : 12 ~ 14
#----------------------------------------
# Generate ASM CODE ...
#----------------------------------------
# Beginning of the data section
.data
number: .word 8
num_8: .word 8
loopCounter: .word 0
num_0: .word 0
result: .word 1
num_1: .word 1
t0: .word 0
# Beginning of the code section
.text
lib_printi:
# Callee Convention (entering printi):
sw $s0, -4($sp)
sw $s1, -8($sp)
sw $s2, -12($sp)
sw $s3, -16($sp)
sw $s4, -20($sp)
sw $s5, -24($sp)
sw $s6, -28($sp)
sw $s7, -32($sp)
addi $sp, $sp, -32
sw $ra, -4($sp)
addi $sp, $sp, -4
li $v0, 1
syscall
addi $sp, $sp, 4
lw $ra, -4($sp)
addi $sp, $sp, 32
lw $s0, -4($sp)
lw $s1, -8($sp)
lw $s2, -12($sp)
lw $s3, -16($sp)
lw $s4, -20($sp)
lw $s5, -24($sp)
lw $s6, -28($sp)
lw $s7, -32($sp)
jr $ra
lib_exit:
# Callee Convention (entering exit):
sw $s0, -4($sp)
sw $s1, -8($sp)
sw $s2, -12($sp)
sw $s3, -16($sp)
sw $s4, -20($sp)
sw $s5, -24($sp)
sw $s6, -28($sp)
sw $s7, -32($sp)
addi $sp, $sp, -32
sw $ra, -4($sp)
addi $sp, $sp, -4
li $v0, 17
syscall
addi $sp, $sp, 4
lw $ra, -4($sp)
addi $sp, $sp, 32
lw $s0, -4($sp)
lw $s1, -8($sp)
lw $s2, -12($sp)
lw $s3, -16($sp)
lw $s4, -20($sp)
lw $s5, -24($sp)
lw $s6, -28($sp)
lw $s7, -32($sp)
jr $ra
lib_not:
sw $s0, -4($sp)
sw $s1, -8($sp)
sw $s2, -12($sp)
sw $s3, -16($sp)
sw $s4, -20($sp)
sw $s5, -24($sp)
sw $s6, -28($sp)
sw $s7, -32($sp)
addi $sp, $sp, -32
sw $ra, -4($sp)
addi $sp, $sp, -4
# IR: assign, var0, 0,
la $t0, num_0
lw $t1, 0($t0)
move $s8, $t1
# IR: brneq, i1, 0, _if_label0
li $t1, 0
bne $a0, $t1, _if_label0
# IR: assign, var0, 1,
li $t1, 1
move $s8, $t1
_if_label0:
# IR: breq, var0, 0, _if_label1
li $t1, 0
beq $s8, $t1, _if_label1
# IR: assign, i1, 1,
li $t1, 1
move $a0, $t1
# IR: goto, _if_label2, ,
j _if_label2
_if_label1:
# IR: assign, i1, 0,
li $t1, 0
move $a0, $t1
_if_label2:
lib_not_end:
# IR: return, i1, ,
# Callee Convention (exiting not):
move $v0, $a0
addi $sp, $sp, 4
lw $ra, -4($sp)
addi $sp, $sp, 32
lw $s0, -4($sp)
lw $s1, -8($sp)
lw $s2, -12($sp)
lw $s3, -16($sp)
lw $s4, -20($sp)
lw $s5, -24($sp)
lw $s6, -28($sp)
lw $s7, -32($sp)
jr $ra
main:
# IR: assign, number, 8,
la $t9, num_8
lw $t8, 0($t9)
la $t9, number
sw $t8, 0($t9)
# IR: assign, loopCounter, 0,
la $t9, num_0
lw $t8, 0($t9)
la $t9, loopCounter
sw $t8, 0($t9)
# IR: assign, result, 1,
la $t9, num_1
lw $t8, 0($t9)
la $t9, result
sw $t8, 0($t9)
main0:
sw $s0, -4($sp)
sw $s1, -8($sp)
sw $s2, -12($sp)
sw $s3, -16($sp)
sw $s4, -20($sp)
sw $s5, -24($sp)
sw $s6, -28($sp)
sw $s7, -32($sp)
addi $sp, $sp, -32
sw $ra, -4($sp)
addi $sp, $sp, -4
# Enter block and load vars into registers ...
la $t9, loopCounter
lw $t0, 0($t9)
# IR: assign, loopCounter, 1,
la $t9, num_1
lw $t8, 0($t9)
move $t0, $t8
# Leave block and save registers into vars ...
la $t9, loopCounter
sw $t0, 0($t9)
loop_label0:
# Enter block and load vars into registers ...
la $t9, loopCounter
lw $t3, 0($t9)
la $t9, number
lw $t2, 0($t9)
la $t9, result
lw $t1, 0($t9)
la $t9, t0
lw $t0, 0($t9)
# IR: brgt, loopCounter, number, loop_label1
bgt, $t3, $t2, loop_label1
# IR: mult, result, loopCounter, t0
mult $t1, $t3
mflo $t1
move $t0, $t1
# IR: assign, result, t0,
move $t1, $t0
# IR: add, loopCounter, 1, loopCounter
la $t9, num_1
lw $t9, 0($t9)
add $t8, $t3, $t9
move $t3, $t8
# Leave block and save registers into vars ...
la $t9, loopCounter
sw $t3, 0($t9)
la $t9, number
sw $t2, 0($t9)
la $t9, result
sw $t1, 0($t9)
la $t9, t0
sw $t0, 0($t9)
j loop_label0
loop_label1:
# Enter block and load vars into registers ...
la $t9, result
lw $t0, 0($t9)
# IR: call, printi, result
sw $t4, -4($sp)
sw $t5, -8($sp)
sw $t6, -12($sp)
sw $t7, -16($sp)
sw $t8, -20($sp)
sw $t9, -24($sp)
addi $sp, $sp, -24
swc1 $f12, -4($sp)
swc1 $f13, -8($sp)
swc1 $f14, -12($sp)
addi $sp, $sp, -12
sw $a0, -4($sp)
sw $a1, -8($sp)
sw $a2, -12($sp)
sw $a3, -16($sp)
addi $sp, $sp, -16
move $a0, $t0
jal lib_printi
addi $sp, $sp, 16
lw $a0, -4($sp)
lw $a1, -8($sp)
lw $a2, -12($sp)
lw $a3, -16($sp)
addi $sp, $sp, 12
lwc1 $f12, -4($sp)
lwc1 $f13, -8($sp)
lwc1 $f14, -12($sp)
addi $sp, $sp, 24
lw $t4, -4($sp)
lw $t5, -8($sp)
lw $t6, -12($sp)
lw $t7, -16($sp)
lw $t8, -20($sp)
lw $t9, -24($sp)
# Leave block and save registers into vars ...
la $t9, result
sw $t0, 0($t9)
# IR: return, , ,
addi $sp, $sp, 4
lw $ra, -4($sp)
addi $sp, $sp, 32
lw $s0, -4($sp)
lw $s1, -8($sp)
lw $s2, -12($sp)
lw $s3, -16($sp)
lw $s4, -20($sp)
lw $s5, -24($sp)
lw $s6, -28($sp)
lw $s7, -32($sp)
jr $ra
#----------------------------------------