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
|
.text
.align 32, 0x90
.globl __gmpn_hamdist
.def __gmpn_hamdist
.scl 2
.type 32
.endef
__gmpn_hamdist:
push %rdi
push %rsi
mov %rcx, %rdi
mov %rdx, %rsi
mov %r8, %rdx
push %rbx
mov $0x5555555555555555, %r10
push %rbp
mov $0x3333333333333333, %r11
push %r12
lea (%rdi,%rdx,8), %rdi
mov $0x0f0f0f0f0f0f0f0f, %rcx
lea (%rsi,%rdx,8), %rsi
neg %rdx
mov $0x0101010101010101, %r12
xor %eax, %eax
test $1, %dl
jz Ltop
mov (%rdi,%rdx,8), %r8
xor (%rsi,%rdx,8), %r8
mov %r8, %r9
shr %r8
and %r10, %r8
sub %r8, %r9
mov %r9, %r8
shr $2, %r9
and %r11, %r8
and %r11, %r9
add %r8, %r9
dec %rdx
jmp Lmid
.align 16, 0x90
Ltop: mov (%rdi,%rdx,8), %r8
mov 8(%rdi,%rdx,8), %rbx
xor (%rsi,%rdx,8), %r8
xor 8(%rsi,%rdx,8), %rbx
mov %r8, %r9
mov %rbx, %rbp
shr %r8
shr %rbx
and %r10, %r8
and %r10, %rbx
sub %r8, %r9
sub %rbx, %rbp
mov %r9, %r8
mov %rbp, %rbx
shr $2, %r9
shr $2, %rbp
and %r11, %r8
and %r11, %r9
and %r11, %rbx
and %r11, %rbp
add %r8, %r9
add %rbx, %rbp
add %rbp, %r9
Lmid: mov %r9, %r8
shr $4, %r9
and %rcx, %r8
and %rcx, %r9
add %r8, %r9
imul %r12, %r9
shr $56, %r9
add %r9, %rax
add $2, %rdx
jnc Ltop
Lend:
pop %r12
pop %rbp
pop %rbx
pop %rsi
pop %rdi
ret
|
