1 /* Multiple versions of memcpy. AARCH64 version.
2 Copyright (C) 2017-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 /* Define multiple versions only for the definition in libc. */
22 /* Redefine memcpy so that the compiler won't complain about the type
23 mismatch with the IFUNC selector in strong_alias, below. */
25 # define memcpy __redirect_memcpy
27 # include <init-arch.h>
29 extern __typeof (__redirect_memcpy
) __libc_memcpy
;
31 extern __typeof (__redirect_memcpy
) __memcpy_generic attribute_hidden
;
32 extern __typeof (__redirect_memcpy
) __memcpy_simd attribute_hidden
;
33 extern __typeof (__redirect_memcpy
) __memcpy_thunderx attribute_hidden
;
34 extern __typeof (__redirect_memcpy
) __memcpy_thunderx2 attribute_hidden
;
35 extern __typeof (__redirect_memcpy
) __memcpy_falkor attribute_hidden
;
37 libc_ifunc (__libc_memcpy
,
40 : (IS_FALKOR (midr
) || IS_PHECDA (midr
)
42 : (IS_THUNDERX2 (midr
) || IS_THUNDERX2PA (midr
)
44 : (IS_NEOVERSE_N1 (midr
)
46 : __memcpy_generic
)))));
49 strong_alias (__libc_memcpy
, memcpy
);