projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| c867597b | 1 | /* Optimized memmove for x86-64. |
| 6d7e8eda | 2 | Copyright (C) 2016-2023 Free Software Foundation, Inc. |
| c867597b L |
3 | This file is part of the GNU C Library. |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Lesser General Public | |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| 16 | License along with the GNU C Library; if not, see | |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| c867597b | 18 | |
| c867597b L |
19 | |
| 20 | #ifdef USE_MULTIARCH | |
| fc11ff8d | 21 | # if !IS_IN (libc) |
| c867597b L |
22 | # define MEMCPY_SYMBOL(p,s) memcpy |
| 23 | # endif | |
| 24 | #else | |
| 25 | # if defined SHARED && IS_IN (libc) | |
| 26 | # define MEMCPY_SYMBOL(p,s) __memcpy | |
| 27 | # else | |
| 28 | # define MEMCPY_SYMBOL(p,s) memcpy | |
| 29 | # endif | |
| 30 | #endif | |
| fc11ff8d | 31 | #if !defined USE_MULTIARCH || !IS_IN (libc) |
| c867597b L |
32 | # define MEMPCPY_SYMBOL(p,s) __mempcpy |
| 33 | #endif | |
| c867597b | 34 | |
| b6a02c36 NG |
35 | #define MEMMOVE_CHK_SYMBOL(p,s) p |
| 36 | #define MEMMOVE_SYMBOL(p,s) memmove | |
| 37 | ||
| 38 | ||
| 39 | #define DEFAULT_IMPL_V1 "multiarch/memmove-sse2-unaligned-erms.S" | |
| 40 | #define DEFAULT_IMPL_V3 "multiarch/memmove-avx-unaligned-erms.S" | |
| 41 | #define DEFAULT_IMPL_V4 "multiarch/memmove-evex-unaligned-erms.S" | |
| 42 | ||
| 43 | #include "isa-default-impl.h" | |
| 44 | ||
| 45 | weak_alias (__mempcpy, mempcpy) | |
| c867597b L |
46 | |
| 47 | #ifndef USE_MULTIARCH | |
| 48 | libc_hidden_builtin_def (memmove) | |
| 49 | # if defined SHARED && IS_IN (libc) | |
| 50 | strong_alias (memmove, __memcpy) | |
| 51 | libc_hidden_ver (memmove, memcpy) | |
| 52 | # endif | |
| 53 | libc_hidden_def (__mempcpy) | |
| 54 | weak_alias (__mempcpy, mempcpy) | |
| 55 | libc_hidden_builtin_def (mempcpy) | |
| 56 | ||
| b6a02c36 | 57 | |
| c867597b L |
58 | # if defined SHARED && IS_IN (libc) |
| 59 | # undef memcpy | |
| 60 | # include <shlib-compat.h> | |
| 61 | versioned_symbol (libc, __memcpy, memcpy, GLIBC_2_14); | |
| c867597b L |
62 | # endif |
| 63 | #endif |