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
|
.text
.align 4, 0x90
.globl ___gmpn_preinv_divrem_1
___gmpn_preinv_divrem_1:
xor %eax, %eax
push %r13
push %r12
push %rbp
push %rbx
mov %rsi, %r12
mov %rcx, %rbx
add %rsi, %rcx
mov %rdx, %rsi
lea -8(%rdi,%rcx,8), %rdi
test %r8, %r8
js Lnent
mov 40(%rsp), %cl
shl %cl, %r8
jmp Luent
.align 4, 0x90
.globl ___gmpn_divrem_1
___gmpn_divrem_1:
xor %eax, %eax
push %r13
push %r12
push %rbp
push %rbx
mov %rsi, %r12
mov %rcx, %rbx
add %rsi, %rcx
mov %rdx, %rsi
je Lret
lea -8(%rdi,%rcx,8), %rdi
xor %ebp, %ebp
test %r8, %r8
jns Lunnormalized
Lnormalized:
test %rbx, %rbx
je L8
mov -8(%rsi,%rbx,8), %rbp
dec %rbx
mov %rbp, %rax
sub %r8, %rbp
cmovc %rax, %rbp
sbb %eax, %eax
inc %eax
mov %rax, (%rdi)
lea -8(%rdi), %rdi
L8:
push %rdi
push %rsi
push %r8
mov %r8, %rdi
call ___gmpn_invert_limb
pop %r8
pop %rsi
pop %rdi
mov %rax, %r9
mov %rbp, %rax
jmp Lnent
.align 4, 0x90
Lntop:mov (%rsi,%rbx,8), %r10
mul %r9
add %r10, %rax
adc %rbp, %rdx
mov %rax, %rbp
mov %rdx, %r13
imul %r8, %rdx
sub %rdx, %r10
mov %r8, %rax
add %r10, %rax
cmp %rbp, %r10
cmovc %r10, %rax
adc $-1, %r13
cmp %r8, %rax
jae Lnfx
Lnok: mov %r13, (%rdi)
sub $8, %rdi
Lnent:lea 1(%rax), %rbp
dec %rbx
jns Lntop
xor %ecx, %ecx
jmp Lfrac
Lnfx: sub %r8, %rax
inc %r13
jmp Lnok
Lunnormalized:
test %rbx, %rbx
je L44
mov -8(%rsi,%rbx,8), %rax
cmp %r8, %rax
jae L44
mov %rbp, (%rdi)
mov %rax, %rbp
lea -8(%rdi), %rdi
je Lret
dec %rbx
L44:
bsr %r8, %rcx
not %ecx
shl %cl, %r8
shl %cl, %rbp
push %rcx
push %rdi
push %rsi
push %r8
sub $8, %rsp
mov %r8, %rdi
call ___gmpn_invert_limb
add $8, %rsp
pop %r8
pop %rsi
pop %rdi
pop %rcx
mov %rax, %r9
mov %rbp, %rax
test %rbx, %rbx
je Lfrac
Luent:dec %rbx
mov (%rsi,%rbx,8), %rbp
neg %ecx
shr %cl, %rbp
neg %ecx
or %rbp, %rax
jmp Lent
.align 4, 0x90
Lutop:mov (%rsi,%rbx,8), %r10
shl %cl, %rbp
neg %ecx
shr %cl, %r10
neg %ecx
or %r10, %rbp
mul %r9
add %rbp, %rax
adc %r11, %rdx
mov %rax, %r11
mov %rdx, %r13
imul %r8, %rdx
sub %rdx, %rbp
mov %r8, %rax
add %rbp, %rax
cmp %r11, %rbp
cmovc %rbp, %rax
adc $-1, %r13
cmp %r8, %rax
jae Lufx
Luok: mov %r13, (%rdi)
sub $8, %rdi
Lent: mov (%rsi,%rbx,8), %rbp
dec %rbx
lea 1(%rax), %r11
jns Lutop
Luend:shl %cl, %rbp
mul %r9
add %rbp, %rax
adc %r11, %rdx
mov %rax, %r11
mov %rdx, %r13
imul %r8, %rdx
sub %rdx, %rbp
mov %r8, %rax
add %rbp, %rax
cmp %r11, %rbp
cmovc %rbp, %rax
adc $-1, %r13
cmp %r8, %rax
jae Lefx
Leok: mov %r13, (%rdi)
sub $8, %rdi
jmp Lfrac
Lufx: sub %r8, %rax
inc %r13
jmp Luok
Lefx: sub %r8, %rax
inc %r13
jmp Leok
Lfrac:mov %r8, %rbp
neg %rbp
jmp Lfent
.align 4, 0x90
Lftop:mul %r9
add %r11, %rdx
mov %rax, %r11
mov %rdx, %r13
imul %rbp, %rdx
mov %r8, %rax
add %rdx, %rax
cmp %r11, %rdx
cmovc %rdx, %rax
adc $-1, %r13
mov %r13, (%rdi)
sub $8, %rdi
Lfent:lea 1(%rax), %r11
dec %r12
jns Lftop
shr %cl, %rax
Lret: pop %rbx
pop %rbp
pop %r12
pop %r13
ret
|