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
|
/* Multiple versions of memcpy
All versions must be listed in ifunc-impl-list.c.
Copyright (C) 2010-2014 Free Software Foundation, Inc.
Contributed by David S. Miller (davem@davemloft.net)
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#if !defined NOT_IN_libc
.text
ENTRY(memcpy)
.type memcpy, @gnu_indirect_function
# ifdef SHARED
SETUP_PIC_REG_LEAF(o3, o5)
# endif
set HWCAP_SPARC_CRYPTO, %o1
andcc %o0, %o1, %g0
be 1f
andcc %o0, HWCAP_SPARC_N2, %g0
# ifdef SHARED
sethi %gdop_hix22(__memcpy_niagara4), %o1
xor %o1, %gdop_lox10(__memcpy_niagara4), %o1
# else
set __memcpy_niagara4, %o1
# endif
ba 10f
nop
1: be 1f
andcc %o0, HWCAP_SPARC_BLKINIT, %g0
# ifdef SHARED
sethi %gdop_hix22(__memcpy_niagara2), %o1
xor %o1, %gdop_lox10(__memcpy_niagara2), %o1
# else
set __memcpy_niagara2, %o1
# endif
ba 10f
nop
1: be 1f
andcc %o0, HWCAP_SPARC_ULTRA3, %g0
# ifdef SHARED
sethi %gdop_hix22(__memcpy_niagara1), %o1
xor %o1, %gdop_lox10(__memcpy_niagara1), %o1
# else
set __memcpy_niagara1, %o1
# endif
ba 10f
nop
1: be 9f
nop
# ifdef SHARED
sethi %gdop_hix22(__memcpy_ultra3), %o1
xor %o1, %gdop_lox10(__memcpy_ultra3), %o1
# else
set __memcpy_ultra3, %o1
# endif
ba 10f
nop
9:
# ifdef SHARED
sethi %gdop_hix22(__memcpy_ultra1), %o1
xor %o1, %gdop_lox10(__memcpy_ultra1), %o1
# else
set __memcpy_ultra1, %o1
# endif
10:
# ifdef SHARED
add %o3, %o1, %o1
# endif
retl
mov %o1, %o0
END(memcpy)
ENTRY(__mempcpy)
.type __mempcpy, @gnu_indirect_function
# ifdef SHARED
SETUP_PIC_REG_LEAF(o3, o5)
# endif
set HWCAP_SPARC_CRYPTO, %o1
andcc %o0, %o1, %g0
be 1f
andcc %o0, HWCAP_SPARC_N2, %g0
# ifdef SHARED
sethi %gdop_hix22(__mempcpy_niagara4), %o1
xor %o1, %gdop_lox10(__mempcpy_niagara4), %o1
# else
set __mempcpy_niagara4, %o1
# endif
ba 10f
nop
1: be 1f
andcc %o0, HWCAP_SPARC_BLKINIT, %g0
# ifdef SHARED
sethi %gdop_hix22(__mempcpy_niagara2), %o1
xor %o1, %gdop_lox10(__mempcpy_niagara2), %o1
# else
set __mempcpy_niagara2, %o1
# endif
ba 10f
nop
1: be 1f
andcc %o0, HWCAP_SPARC_ULTRA3, %g0
# ifdef SHARED
sethi %gdop_hix22(__mempcpy_niagara1), %o1
xor %o1, %gdop_lox10(__mempcpy_niagara1), %o1
# else
set __mempcpy_niagara1, %o1
# endif
ba 10f
nop
1: be 9f
nop
# ifdef SHARED
sethi %gdop_hix22(__mempcpy_ultra3), %o1
xor %o1, %gdop_lox10(__mempcpy_ultra3), %o1
# else
set __mempcpy_ultra3, %o1
# endif
ba 10f
nop
9:
# ifdef SHARED
sethi %gdop_hix22(__mempcpy_ultra1), %o1
xor %o1, %gdop_lox10(__mempcpy_ultra1), %o1
# else
set __mempcpy_ultra1, %o1
# endif
10:
# ifdef SHARED
add %o3, %o1, %o1
# endif
retl
mov %o1, %o0
END(__mempcpy)
libc_hidden_builtin_def (memcpy)
libc_hidden_def (__mempcpy)
weak_alias (__mempcpy, mempcpy)
libc_hidden_builtin_def (mempcpy)
#undef libc_hidden_builtin_def
#define libc_hidden_builtin_def(name)
#undef weak_alias
#define weak_alias(x, y)
#undef libc_hidden_def
#define libc_hidden_def(name)
#define memcpy __memcpy_ultra1
#define __mempcpy __mempcpy_ultra1
#endif
#include "../memcpy.S"
|
