projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 6a2c6952 | 1 | /* Multiple versions of memmove. AARCH64 version. |
| 2b778ceb | 2 | Copyright (C) 2017-2021 Free Software Foundation, Inc. |
| 6a2c6952 SE |
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/>. */ |
| 6a2c6952 SE |
18 | |
| 19 | /* Define multiple versions only for the definition in libc. */ | |
| 20 | ||
| 21 | #if IS_IN (libc) | |
| 22 | /* Redefine memmove so that the compiler won't complain about the type | |
| 23 | mismatch with the IFUNC selector in strong_alias, below. */ | |
| 24 | # undef memmove | |
| 25 | # define memmove __redirect_memmove | |
| 26 | # include <string.h> | |
| 27 | # include <init-arch.h> | |
| 28 | ||
| 29 | extern __typeof (__redirect_memmove) __libc_memmove; | |
| 30 | ||
| 31 | extern __typeof (__redirect_memmove) __memmove_generic attribute_hidden; | |
| 4a733bf3 | 32 | extern __typeof (__redirect_memmove) __memmove_simd attribute_hidden; |
| 6a2c6952 | 33 | extern __typeof (__redirect_memmove) __memmove_thunderx attribute_hidden; |
| 32e902a9 | 34 | extern __typeof (__redirect_memmove) __memmove_thunderx2 attribute_hidden; |
| dd5bc7f1 | 35 | extern __typeof (__redirect_memmove) __memmove_falkor attribute_hidden; |
| 6a2c6952 SE |
36 | |
| 37 | libc_ifunc (__libc_memmove, | |
| dd5bc7f1 SP |
38 | (IS_THUNDERX (midr) |
| 39 | ? __memmove_thunderx | |
| fc2ba803 | 40 | : (IS_FALKOR (midr) || IS_PHECDA (midr) |
| dd5bc7f1 | 41 | ? __memmove_falkor |
| 32e902a9 AY |
42 | : (IS_THUNDERX2 (midr) || IS_THUNDERX2PA (midr) |
| 43 | ? __memmove_thunderx2 | |
| e11ed9d2 WD |
44 | : (IS_NEOVERSE_N1 (midr) || IS_NEOVERSE_N2 (midr) |
| 45 | || IS_NEOVERSE_V1 (midr) | |
| 0f6278a8 WD |
46 | ? __memmove_simd |
| 47 | : __memmove_generic))))); | |
| 6a2c6952 SE |
48 | |
| 49 | # undef memmove | |
| 50 | strong_alias (__libc_memmove, memmove); | |
| 51 | #endif |