projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 3afd5a3b | 1 | /* Multiple versions of memcpy |
| f303f97c | 2 | All versions must be listed in ifunc-impl-list.c. |
| b168057a | 3 | Copyright (C) 2010-2015 Free Software Foundation, Inc. |
| 3afd5a3b DM |
4 | Contributed by David S. Miller (davem@davemloft.net) |
| 5 | This file is part of the GNU C Library. | |
| 6 | ||
| 7 | The GNU C Library is free software; you can redistribute it and/or | |
| 8 | modify it under the terms of the GNU Lesser General Public | |
| 9 | License as published by the Free Software Foundation; either | |
| 10 | version 2.1 of the License, or (at your option) any later version. | |
| 11 | ||
| 12 | The GNU C Library is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | Lesser General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU Lesser General Public | |
| 59ba27a6 PE |
18 | License along with the GNU C Library; if not, see |
| 19 | <http://www.gnu.org/licenses/>. */ | |
| 3afd5a3b DM |
20 | |
| 21 | #include <sysdep.h> | |
| 3afd5a3b | 22 | |
| 4f41c682 | 23 | #if IS_IN (libc) |
| 3afd5a3b DM |
24 | .text |
| 25 | ENTRY(memcpy) | |
| 26 | .type memcpy, @gnu_indirect_function | |
| 27 | # ifdef SHARED | |
| 3d2b3019 | 28 | SETUP_PIC_REG_LEAF(o3, o5) |
| 3afd5a3b | 29 | # endif |
| 1d9a6d96 DM |
30 | set HWCAP_SPARC_CRYPTO, %o1 |
| 31 | andcc %o0, %o1, %g0 | |
| 3afd5a3b | 32 | be 1f |
| 1d9a6d96 DM |
33 | andcc %o0, HWCAP_SPARC_N2, %g0 |
| 34 | # ifdef SHARED | |
| 35 | sethi %gdop_hix22(__memcpy_niagara4), %o1 | |
| 36 | xor %o1, %gdop_lox10(__memcpy_niagara4), %o1 | |
| 37 | # else | |
| 38 | set __memcpy_niagara4, %o1 | |
| 39 | # endif | |
| 40 | ba 10f | |
| 41 | nop | |
| 42 | 1: be 1f | |
| 5f4318d1 | 43 | andcc %o0, HWCAP_SPARC_BLKINIT, %g0 |
| 3afd5a3b DM |
44 | # ifdef SHARED |
| 45 | sethi %gdop_hix22(__memcpy_niagara2), %o1 | |
| 46 | xor %o1, %gdop_lox10(__memcpy_niagara2), %o1 | |
| 47 | # else | |
| 48 | set __memcpy_niagara2, %o1 | |
| 49 | # endif | |
| 50 | ba 10f | |
| 51 | nop | |
| 52 | 1: be 1f | |
| 5f4318d1 | 53 | andcc %o0, HWCAP_SPARC_ULTRA3, %g0 |
| 3afd5a3b DM |
54 | # ifdef SHARED |
| 55 | sethi %gdop_hix22(__memcpy_niagara1), %o1 | |
| 56 | xor %o1, %gdop_lox10(__memcpy_niagara1), %o1 | |
| 57 | # else | |
| 58 | set __memcpy_niagara1, %o1 | |
| 59 | # endif | |
| 60 | ba 10f | |
| 61 | nop | |
| 62 | 1: be 9f | |
| 63 | nop | |
| 64 | # ifdef SHARED | |
| 65 | sethi %gdop_hix22(__memcpy_ultra3), %o1 | |
| 66 | xor %o1, %gdop_lox10(__memcpy_ultra3), %o1 | |
| 67 | # else | |
| 68 | set __memcpy_ultra3, %o1 | |
| 69 | # endif | |
| 70 | ba 10f | |
| 71 | nop | |
| 72 | 9: | |
| 73 | # ifdef SHARED | |
| 74 | sethi %gdop_hix22(__memcpy_ultra1), %o1 | |
| 75 | xor %o1, %gdop_lox10(__memcpy_ultra1), %o1 | |
| 76 | # else | |
| 77 | set __memcpy_ultra1, %o1 | |
| 78 | # endif | |
| 79 | 10: | |
| 80 | # ifdef SHARED | |
| 81 | add %o3, %o1, %o1 | |
| 82 | # endif | |
| 83 | retl | |
| 84 | mov %o1, %o0 | |
| 85 | END(memcpy) | |
| 86 | ||
| 88d85d4f DM |
87 | ENTRY(__mempcpy) |
| 88 | .type __mempcpy, @gnu_indirect_function | |
| 89 | # ifdef SHARED | |
| 90 | SETUP_PIC_REG_LEAF(o3, o5) | |
| 91 | # endif | |
| 1d9a6d96 DM |
92 | set HWCAP_SPARC_CRYPTO, %o1 |
| 93 | andcc %o0, %o1, %g0 | |
| 88d85d4f | 94 | be 1f |
| 1d9a6d96 DM |
95 | andcc %o0, HWCAP_SPARC_N2, %g0 |
| 96 | # ifdef SHARED | |
| 97 | sethi %gdop_hix22(__mempcpy_niagara4), %o1 | |
| 98 | xor %o1, %gdop_lox10(__mempcpy_niagara4), %o1 | |
| 99 | # else | |
| 100 | set __mempcpy_niagara4, %o1 | |
| 101 | # endif | |
| 102 | ba 10f | |
| 103 | nop | |
| 104 | 1: be 1f | |
| 88d85d4f DM |
105 | andcc %o0, HWCAP_SPARC_BLKINIT, %g0 |
| 106 | # ifdef SHARED | |
| 107 | sethi %gdop_hix22(__mempcpy_niagara2), %o1 | |
| 108 | xor %o1, %gdop_lox10(__mempcpy_niagara2), %o1 | |
| 109 | # else | |
| 110 | set __mempcpy_niagara2, %o1 | |
| 111 | # endif | |
| 112 | ba 10f | |
| 113 | nop | |
| 114 | 1: be 1f | |
| 115 | andcc %o0, HWCAP_SPARC_ULTRA3, %g0 | |
| 116 | # ifdef SHARED | |
| 117 | sethi %gdop_hix22(__mempcpy_niagara1), %o1 | |
| 118 | xor %o1, %gdop_lox10(__mempcpy_niagara1), %o1 | |
| 119 | # else | |
| 120 | set __mempcpy_niagara1, %o1 | |
| 121 | # endif | |
| 122 | ba 10f | |
| 123 | nop | |
| 124 | 1: be 9f | |
| 125 | nop | |
| 126 | # ifdef SHARED | |
| 127 | sethi %gdop_hix22(__mempcpy_ultra3), %o1 | |
| 128 | xor %o1, %gdop_lox10(__mempcpy_ultra3), %o1 | |
| 129 | # else | |
| 130 | set __mempcpy_ultra3, %o1 | |
| 131 | # endif | |
| 132 | ba 10f | |
| 133 | nop | |
| 134 | 9: | |
| 135 | # ifdef SHARED | |
| 136 | sethi %gdop_hix22(__mempcpy_ultra1), %o1 | |
| 137 | xor %o1, %gdop_lox10(__mempcpy_ultra1), %o1 | |
| 138 | # else | |
| 139 | set __mempcpy_ultra1, %o1 | |
| 140 | # endif | |
| 141 | 10: | |
| 142 | # ifdef SHARED | |
| 143 | add %o3, %o1, %o1 | |
| 144 | # endif | |
| 145 | retl | |
| 146 | mov %o1, %o0 | |
| 147 | END(__mempcpy) | |
| 148 | ||
| e5aa83e1 DM |
149 | libc_hidden_builtin_def (memcpy) |
| 150 | ||
| 88d85d4f DM |
151 | libc_hidden_def (__mempcpy) |
| 152 | weak_alias (__mempcpy, mempcpy) | |
| 153 | libc_hidden_builtin_def (mempcpy) | |
| 154 | ||
| e5aa83e1 DM |
155 | #undef libc_hidden_builtin_def |
| 156 | #define libc_hidden_builtin_def(name) | |
| 88d85d4f DM |
157 | #undef weak_alias |
| 158 | #define weak_alias(x, y) | |
| 159 | #undef libc_hidden_def | |
| 160 | #define libc_hidden_def(name) | |
| 3afd5a3b DM |
161 | |
| 162 | #define memcpy __memcpy_ultra1 | |
| 88d85d4f | 163 | #define __mempcpy __mempcpy_ultra1 |
| 3afd5a3b DM |
164 | |
| 165 | #endif | |
| 166 | ||
| 167 | #include "../memcpy.S" |