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
|
.text
.align 32, 0x90
.globl __gmpn_rshift
.type __gmpn_rshift,@function
__gmpn_rshift:
neg %ecx
mov (%rsi), %rax
shl %cl, %rax
neg %ecx
lea 1(%rdx), %r8d
lea -8(%rsi,%rdx,8), %rsi
lea -8(%rdi,%rdx,8), %rdi
neg %rdx
and $3, %r8d
je .Lrlx
dec %r8d
jne .L1
mov 8(%rsi,%rdx,8), %r10
shr %cl, %r10
neg %ecx
mov 16(%rsi,%rdx,8), %r8
shl %cl, %r8
or %r8, %r10
mov %r10, 8(%rdi,%rdx,8)
inc %rdx
jmp .Lrll
.L1: dec %r8d
je .L1x
mov 8(%rsi,%rdx,8), %r10
shr %cl, %r10
neg %ecx
mov 16(%rsi,%rdx,8), %r8
shl %cl, %r8
or %r8, %r10
mov %r10, 8(%rdi,%rdx,8)
inc %rdx
neg %ecx
.L1x:
cmp $-1, %rdx
je .Last
mov 8(%rsi,%rdx,8), %r10
shr %cl, %r10
mov 16(%rsi,%rdx,8), %r11
shr %cl, %r11
neg %ecx
mov 16(%rsi,%rdx,8), %r8
mov 24(%rsi,%rdx,8), %r9
shl %cl, %r8
or %r8, %r10
shl %cl, %r9
or %r9, %r11
mov %r10, 8(%rdi,%rdx,8)
mov %r11, 16(%rdi,%rdx,8)
add $2, %rdx
.Lrll: neg %ecx
.Lrlx: mov 8(%rsi,%rdx,8), %r10
shr %cl, %r10
mov 16(%rsi,%rdx,8), %r11
shr %cl, %r11
add $4, %rdx
jb .Lend
.align 16, 0x90
.Ltop:
neg %ecx
mov -16(%rsi,%rdx,8), %r8
mov -8(%rsi,%rdx,8), %r9
shl %cl, %r8
or %r8, %r10
shl %cl, %r9
or %r9, %r11
mov %r10, -24(%rdi,%rdx,8)
mov %r11, -16(%rdi,%rdx,8)
mov (%rsi,%rdx,8), %r8
mov 8(%rsi,%rdx,8), %r9
shl %cl, %r8
shl %cl, %r9
neg %ecx
mov -8(%rsi,%rdx,8), %r10
mov 0(%rsi,%rdx,8), %r11
shr %cl, %r10
or %r10, %r8
shr %cl, %r11
or %r11, %r9
mov %r8, -8(%rdi,%rdx,8)
mov %r9, 0(%rdi,%rdx,8)
mov 8(%rsi,%rdx,8), %r10
mov 16(%rsi,%rdx,8), %r11
shr %cl, %r10
shr %cl, %r11
add $4, %rdx
jae .Ltop
.Lend:
neg %ecx
mov -8(%rsi), %r8
shl %cl, %r8
or %r8, %r10
mov (%rsi), %r9
shl %cl, %r9
or %r9, %r11
mov %r10, -16(%rdi)
mov %r11, -8(%rdi)
neg %ecx
.Last: mov (%rsi), %r10
shr %cl, %r10
mov %r10, (%rdi)
ret
.size __gmpn_rshift,.-__gmpn_rshift
|