/* Multiple versions of memchr. AARCH64 version. Copyright (C) 2018-2024 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ /* Define multiple versions only for the definition in libc. */ #if IS_IN (libc) /* Redefine memchr so that the compiler won't complain about the type mismatch with the IFUNC selector in strong_alias, below. */ # undef memchr # define memchr __redirect_memchr # include # include extern __typeof (__redirect_memchr) __memchr; extern __typeof (__redirect_memchr) __memchr_generic attribute_hidden; extern __typeof (__redirect_memchr) __memchr_nosimd attribute_hidden; libc_ifunc (__memchr, ((IS_EMAG (midr) ? __memchr_nosimd : __memchr_generic))); # undef memchr strong_alias (__memchr, memchr); #endif