1/* Common definition for memcpy resolver.
2 Copyright (C) 2017-2024 Free Software Foundation, Inc.
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
17 <https://www.gnu.org/licenses/>. */
18
19#ifdef __SOFTFP__
20__typeof (REDIRECT_NAME) OPTIMIZE (arm) attribute_hidden;
21#endif
22__typeof (REDIRECT_NAME) OPTIMIZE (vfp) attribute_hidden;
23__typeof (REDIRECT_NAME) OPTIMIZE (neon) attribute_hidden;
24
25static inline void *
26IFUNC_SELECTOR (int hwcap)
27{
28 if (hwcap & HWCAP_ARM_NEON)
29 return OPTIMIZE (neon);
30#ifdef __SOFTFP__
31 if (hwcap & HWCAP_ARM_VFP)
32 return OPTIMIZE (vfp);
33 return OPTIMIZE (arm);
34#else
35 return OPTIMIZE (vfp);
36#endif
37}
38

source code of glibc/sysdeps/arm/armv7/multiarch/ifunc-memcpy.h