/* Multiple versions of memcpy. AARCH64 version. Copyright (C) 2017-2018 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 memcpy so that the compiler won't complain about the type mismatch with the IFUNC selector in strong_alias, below. */ # undef memcpy # define memcpy __redirect_memcpy # include # include extern __typeof (__redirect_memcpy) __libc_memcpy; extern __typeof (__redirect_memcpy) __memcpy_generic attribute_hidden; extern __typeof (__redirect_memcpy) __memcpy_simd attribute_hidden; extern __typeof (__redirect_memcpy) __memcpy_thunderx attribute_hidden; extern __typeof (__redirect_memcpy) __memcpy_thunderx2 attribute_hidden; extern __typeof (__redirect_memcpy) __memcpy_falkor attribute_hidden; libc_ifunc (__libc_memcpy, (IS_THUNDERX (midr) ? __memcpy_thunderx : (IS_FALKOR (midr) || IS_PHECDA (midr) ? __memcpy_falkor : (IS_THUNDERX2 (midr) || IS_THUNDERX2PA (midr) ? __memcpy_thunderx2 : (IS_NEOVERSE_N1 (midr) || IS_NEOVERSE_N2 (midr) || IS_NEOVERSE_V1 (midr) ? __memcpy_simd : __memcpy_generic))))); # undef memcpy strong_alias (__libc_memcpy, memcpy); #endif