aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/sparc/sparc64/multiarch/memcpy.S
blob: dad39eca2ccb46102131a7b74318d924a2c7b0fd (plain)
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 IS_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"