aboutsummaryrefslogtreecommitdiff
path: root/lib.s
blob: 32e5a77bcc8c5f6114164f72fa752b383288982d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
_func_printf:
	addiu $sp, $sp, -64
	sw $31, 60($sp) #printf
# load pos_0
# load arg_0
# load ch_0
	lb $8, 12($sp)	#ch
# load fmt_0
	lw $9, 64($sp)	#fmt
# load x_0
	lw $10, 4($sp)	#x
# load len_0
	lw $11, 8($sp)	#len
# arg_1 = addr pos_0
	addiu $12, $sp, 68
# goto __L2
	j __L2
__L1:
# t2 = ch_2 == 37
	li $3, 37
	seq $13, $8, $3
# if not (t2) goto __L20
	beqz $13, __L20
# fmt_4 = fmt_1 + 1
	addiu $9, $9, 1
# ch_4 = fmt_4[0]
	lb $8, 0($9)
# t4 = ch_4 == 100
	li $3, 100
	seq $13, $8, $3
# if not (t4) goto __L6
	beqz $13, __L6
# t6 = arg_2[0]
	lw $a0, 0($12)
    li $2, 1
    syscall
# goto __L19
	j __L19
__L6:
# t7 = ch_4 == 99
	li $3, 99
	seq $13, $8, $3
# if not (t7) goto __L8
	beqz $13, __L8
# t9 = arg_2[0]
	lw $a0, 0($12)
    li $2, 11
    syscall
# goto __L19
	j __L19
__L8:
# t10 = ch_4 == 115
	li $3, 115
	seq $13, $8, $3
# if not (t10) goto __L10
	beqz $13, __L10
# t12 = arg_2[0]
	lw $a0, 0($12)
    li $2, 4
    syscall
# goto __L19
	j __L19
__L10:
# x_4 = arg_2[0]
	lw $10, 0($12)
# t14 = x_4 == 0
	li $3, 0
	seq $11, $10, $3
# if not (t14) goto __L12
	beqz $11, __L12
# len_11 = 1
	li $2, 1
	move $11 $2
# goto __L15
	j __L15
__L12:
# len_8 = 0
	li $2, 0
	move $11 $2
# goto __L14
	j __L14
__L13:
# x_7 = x_6 / 10
	li $3, 10
	divu $10, $10, $3
# len_10 = len_9 + 1
	addiu $11, $11, 1
__L14:
# if (x_6) goto __L13
	bnez $10, __L13
__L15:
# len_5 = 4 - len_4
	li $2, 4
	subu $11, $2, $11
# goto __L17
	j __L17
__L16:
# push 48
	li $a0 48
    li $2, 11
    syscall
# len_7 = len_6 - 1
	li $3, 1
	subu $11, $11, $3
__L17:
# if (len_6) goto __L16
	bnez $11, __L16
# t18 = arg_2[0]
	lw $a0, 0($12)
    li $2, 1
    syscall
# fmt_6 = fmt_4 + 2
	addiu $9, $9, 2
__L19:
# arg_4 = arg_2 + 4
	addiu $12, $12, 4
# goto __L21
	j __L21
__L20:
# push ch_2
    move $a0, $8
    li $2, 11
    syscall
__L21:
# fmt_3 = fmt_2 + 1
	addiu $9, $9, 1
__L2:
# ch_2 = fmt_1[0]
	lb $8, 0($9)
# if (ch_2) goto __L1
	bnez $8, __L1
_ret_printf:
	lw $31, 60($sp)
	addiu $sp, $sp, 64
	jr $31
_func___print_int:
    lw $a0, 0($sp)
    li $2, 1
    syscall
    jr $31
_func___print_char:
    lb $a0, 0($sp)
    li $2, 11
    syscall
    jr $31
_func___print_string:
    lw $a0, 0($sp)
    li $2, 4
    syscall
    jr $31
_func_malloc:
    lw $a0, 0($sp)
    li $2, 9
    syscall
    jr $31
_func_memcpy:       # the copied mem must be 4-aligned
    lw $4, 0($sp)   # dest addr
    lw $5, 4($sp)   # src addr
    lw $6, 8($sp)  # size
    j __COND
__LOOP:
    lw $2, 0($5)
    sw $2, 0($4)
    addiu $4, $4, 4
    addiu $5, $5, 4
    addiu $6, $6, -4
__COND:
    bnez $6, __LOOP
    jr $31