-
Notifications
You must be signed in to change notification settings - Fork 485
/
test_string_compare.s
379 lines (372 loc) · 9.13 KB
/
test_string_compare.s
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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
.text
.intel_syntax noprefix
.file "test_string_compare.cpp"
.globl compare_string
.align 16, 0x90
.type compare_string,@function
compare_string: # @compare_string
.cfi_startproc
# BB#0:
mov al, byte ptr [rdi]
test al, al
je .LBB0_4
# BB#1: # %.lr.ph.preheader
inc rdi
.align 16, 0x90
.LBB0_2: # %.lr.ph
# =>This Inner Loop Header: Depth=1
movzx ecx, byte ptr [rsi]
movzx edx, al
cmp edx, ecx
jne .LBB0_5
# BB#3: # in Loop: Header=BB0_2 Depth=1
inc rsi
mov al, byte ptr [rdi]
inc rdi
test al, al
jne .LBB0_2
.LBB0_4:
xor eax, eax
.LBB0_5: # %.critedge
movzx ecx, byte ptr [rsi]
movzx eax, al
cmp eax, ecx
sete al
ret
.Lfunc_end0:
.size compare_string, .Lfunc_end0-compare_string
.cfi_endproc
.globl main
.align 16, 0x90
.type main,@function
main: # @main
.Lfunc_begin0:
.cfi_startproc
.cfi_personality 3, __gxx_personality_v0
.cfi_lsda 3, .Lexception0
# BB#0:
push rbp
.Ltmp43:
.cfi_def_cfa_offset 16
push r15
.Ltmp44:
.cfi_def_cfa_offset 24
push r14
.Ltmp45:
.cfi_def_cfa_offset 32
push r12
.Ltmp46:
.cfi_def_cfa_offset 40
push rbx
.Ltmp47:
.cfi_def_cfa_offset 48
sub rsp, 64
.Ltmp48:
.cfi_def_cfa_offset 112
.Ltmp49:
.cfi_offset rbx, -48
.Ltmp50:
.cfi_offset r12, -40
.Ltmp51:
.cfi_offset r14, -32
.Ltmp52:
.cfi_offset r15, -24
.Ltmp53:
.cfi_offset rbp, -16
lea r15, [rsp + 48]
mov qword ptr [rsp + 32], r15
mov qword ptr [rsp + 40], 0
mov byte ptr [rsp + 48], 0
lea r12, [rsp + 16]
mov qword ptr [rsp], r12
mov qword ptr [rsp + 8], 0
mov byte ptr [rsp + 16], 0
.Ltmp0:
mov edi, _ZSt4cout
mov esi, .L.str
mov edx, 16
call _ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
.Ltmp1:
# BB#1: # %_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc.exit
mov rax, qword ptr [rip + _ZSt4cout]
mov rax, qword ptr [rax - 24]
mov rbx, qword ptr [rax + _ZSt4cout+240]
test rbx, rbx
je .LBB1_2
.LBB1_3: # %.noexc34
cmp byte ptr [rbx + 56], 0
je .LBB1_5
# BB#4:
mov al, byte ptr [rbx + 67]
jmp .LBB1_7
.LBB1_5:
.Ltmp2:
mov rdi, rbx
call _ZNKSt5ctypeIcE13_M_widen_initEv
.Ltmp3:
# BB#6: # %.noexc38
mov rax, qword ptr [rbx]
mov rax, qword ptr [rax + 48]
.Ltmp4:
mov esi, 10
mov rdi, rbx
call rax
.Ltmp5:
.LBB1_7: # %.noexc
.Ltmp6:
movsx esi, al
mov edi, _ZSt4cout
call _ZNSo3putEc
.Ltmp7:
# BB#8: # %.noexc4
.Ltmp8:
mov rdi, rax
call _ZNSo5flushEv
.Ltmp9:
# BB#9: # %_ZNSolsEPFRSoS_E.exit
.Ltmp10:
lea rsi, [rsp + 32]
mov edi, _ZSt3cin
call _ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE
.Ltmp11:
# BB#10:
.Ltmp12:
mov edi, _ZSt4cout
mov esi, .L.str.1
mov edx, 16
call _ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
.Ltmp13:
# BB#11: # %_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc.exit8
mov rax, qword ptr [rip + _ZSt4cout]
mov rax, qword ptr [rax - 24]
mov rbx, qword ptr [rax + _ZSt4cout+240]
test rbx, rbx
je .LBB1_12
.LBB1_13: # %.noexc17
cmp byte ptr [rbx + 56], 0
je .LBB1_15
# BB#14:
mov al, byte ptr [rbx + 67]
jmp .LBB1_17
.LBB1_15:
.Ltmp14:
mov rdi, rbx
call _ZNKSt5ctypeIcE13_M_widen_initEv
.Ltmp15:
# BB#16: # %.noexc19
mov rax, qword ptr [rbx]
mov rax, qword ptr [rax + 48]
.Ltmp16:
mov esi, 10
mov rdi, rbx
call rax
.Ltmp17:
.LBB1_17: # %.noexc11
.Ltmp18:
movsx esi, al
mov edi, _ZSt4cout
call _ZNSo3putEc
.Ltmp19:
# BB#18: # %.noexc12
.Ltmp20:
mov rdi, rax
call _ZNSo5flushEv
.Ltmp21:
# BB#19: # %_ZNSolsEPFRSoS_E.exit10
.Ltmp22:
lea rsi, [rsp]
mov edi, _ZSt3cin
call _ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE
.Ltmp23:
# BB#20:
mov rcx, qword ptr [rsp + 32]
mov rax, qword ptr [rsp]
mov bl, byte ptr [rcx]
test bl, bl
je .LBB1_24
# BB#21: # %.lr.ph.i.preheader
inc rcx
.align 16, 0x90
.LBB1_22: # %.lr.ph.i
# =>This Inner Loop Header: Depth=1
movzx edx, byte ptr [rax]
movzx esi, bl
cmp esi, edx
jne .LBB1_25
# BB#23: # in Loop: Header=BB1_22 Depth=1
inc rax
mov bl, byte ptr [rcx]
inc rcx
test bl, bl
jne .LBB1_22
.LBB1_24:
xor ebx, ebx
.LBB1_25: # %compare_string.exit
mov bpl, byte ptr [rax]
.Ltmp24:
mov edi, _ZSt4cout
mov esi, .L.str.2
mov edx, 15
call _ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
.Ltmp25:
# BB#26: # %_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc.exit22
movzx eax, bpl
movzx ecx, bl
cmp ecx, eax
sete al
movzx esi, al
.Ltmp26:
mov edi, _ZSt4cout
call _ZNSo9_M_insertIbEERSoT_
mov r14, rax
.Ltmp27:
# BB#27: # %_ZNSolsEb.exit
mov rax, qword ptr [r14]
mov rax, qword ptr [rax - 24]
mov rbx, qword ptr [r14 + rax + 240]
test rbx, rbx
je .LBB1_28
.LBB1_29: # %.noexc42
cmp byte ptr [rbx + 56], 0
je .LBB1_31
# BB#30:
mov al, byte ptr [rbx + 67]
jmp .LBB1_33
.LBB1_31:
.Ltmp28:
mov rdi, rbx
call _ZNKSt5ctypeIcE13_M_widen_initEv
.Ltmp29:
# BB#32: # %.noexc46
mov rax, qword ptr [rbx]
mov rax, qword ptr [rax + 48]
.Ltmp30:
mov esi, 10
mov rdi, rbx
call rax
.Ltmp31:
.LBB1_33: # %.noexc26
.Ltmp32:
movsx esi, al
mov rdi, r14
call _ZNSo3putEc
.Ltmp33:
# BB#34: # %.noexc27
.Ltmp34:
mov rdi, rax
call _ZNSo5flushEv
.Ltmp35:
# BB#35: # %_ZNSolsEPFRSoS_E.exit25
mov rdi, qword ptr [rsp]
cmp rdi, r12
je .LBB1_37
# BB#36:
call _ZdlPv
.LBB1_37: # %_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev.exit32
mov rdi, qword ptr [rsp + 32]
cmp rdi, r15
je .LBB1_39
# BB#38:
call _ZdlPv
.LBB1_39: # %_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev.exit3
xor eax, eax
add rsp, 64
pop rbx
pop r12
pop r14
pop r15
pop rbp
ret
.LBB1_2:
.Ltmp40:
call _ZSt16__throw_bad_castv
.Ltmp41:
jmp .LBB1_3
.LBB1_12:
.Ltmp38:
call _ZSt16__throw_bad_castv
.Ltmp39:
jmp .LBB1_13
.LBB1_28:
.Ltmp36:
call _ZSt16__throw_bad_castv
.Ltmp37:
jmp .LBB1_29
.LBB1_40:
.Ltmp42:
mov rbx, rax
mov rdi, qword ptr [rsp]
cmp rdi, r12
je .LBB1_42
# BB#41:
call _ZdlPv
.LBB1_42: # %_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev.exit33
mov rdi, qword ptr [rsp + 32]
cmp rdi, r15
je .LBB1_44
# BB#43:
call _ZdlPv
.LBB1_44: # %_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev.exit
mov rdi, rbx
call _Unwind_Resume
.Lfunc_end1:
.size main, .Lfunc_end1-main
.cfi_endproc
.section .gcc_except_table,"a",@progbits
.align 4
GCC_except_table1:
.Lexception0:
.byte 255 # @LPStart Encoding = omit
.byte 3 # @TType Encoding = udata4
.asciz "\234" # @TType base offset
.byte 3 # Call site Encoding = udata4
.byte 26 # Call site table length
.long .Ltmp0-.Lfunc_begin0 # >> Call Site 1 <<
.long .Ltmp37-.Ltmp0 # Call between .Ltmp0 and .Ltmp37
.long .Ltmp42-.Lfunc_begin0 # jumps to .Ltmp42
.byte 0 # On action: cleanup
.long .Ltmp37-.Lfunc_begin0 # >> Call Site 2 <<
.long .Lfunc_end1-.Ltmp37 # Call between .Ltmp37 and .Lfunc_end1
.long 0 # has no landing pad
.byte 0 # On action: cleanup
.align 4
.section .text.startup,"ax",@progbits
.align 16, 0x90
.type _GLOBAL__sub_I_test_string_compare.cpp,@function
_GLOBAL__sub_I_test_string_compare.cpp: # @_GLOBAL__sub_I_test_string_compare.cpp
.cfi_startproc
# BB#0:
push rax
.Ltmp54:
.cfi_def_cfa_offset 16
mov edi, _ZStL8__ioinit
call _ZNSt8ios_base4InitC1Ev
mov edi, _ZNSt8ios_base4InitD1Ev
mov esi, _ZStL8__ioinit
mov edx, __dso_handle
pop rax
jmp __cxa_atexit # TAILCALL
.Lfunc_end2:
.size _GLOBAL__sub_I_test_string_compare.cpp, .Lfunc_end2-_GLOBAL__sub_I_test_string_compare.cpp
.cfi_endproc
.type _ZStL8__ioinit,@object # @_ZStL8__ioinit
.local _ZStL8__ioinit
.comm _ZStL8__ioinit,1,1
.type .L.str,@object # @.str
.section .rodata.str1.1,"aMS",@progbits,1
.L.str:
.asciz "Enter string 1: "
.size .L.str, 17
.type .L.str.1,@object # @.str.1
.L.str.1:
.asciz "Enter string 2: "
.size .L.str.1, 17
.type .L.str.2,@object # @.str.2
.L.str.2:
.asciz "The result is: "
.size .L.str.2, 16
.section .init_array,"aw",@init_array
.align 8
.quad _GLOBAL__sub_I_test_string_compare.cpp
.ident "clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)"
.section ".note.GNU-stack","",@progbits