/* Optimized memmove for x86-64. Copyright (C) 2016-2024 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 . */ #ifdef USE_MULTIARCH # if !IS_IN (libc) # define MEMCPY_SYMBOL(p,s) memcpy # endif #else # if defined SHARED && IS_IN (libc) # define MEMCPY_SYMBOL(p,s) __memcpy # else # define MEMCPY_SYMBOL(p,s) memcpy # endif #endif #if !defined USE_MULTIARCH || !IS_IN (libc) # define MEMPCPY_SYMBOL(p,s) __mempcpy #endif #define MEMMOVE_CHK_SYMBOL(p,s) p #define MEMMOVE_SYMBOL(p,s) memmove #define DEFAULT_IMPL_V1 "multiarch/memmove-sse2-unaligned-erms.S" #define DEFAULT_IMPL_V3 "multiarch/memmove-avx-unaligned-erms.S" #define DEFAULT_IMPL_V4 "multiarch/memmove-evex-unaligned-erms.S" #include "isa-default-impl.h" weak_alias (__mempcpy, mempcpy) #ifndef USE_MULTIARCH libc_hidden_builtin_def (memmove) libc_hidden_builtin_def (__memmove_chk) libc_hidden_builtin_def (__memcpy_chk) libc_hidden_builtin_def (__mempcpy_chk) # if defined SHARED && IS_IN (libc) strong_alias (memmove, __memcpy) libc_hidden_ver (memmove, memcpy) # endif libc_hidden_def (__mempcpy) weak_alias (__mempcpy, mempcpy) libc_hidden_builtin_def (mempcpy) # if defined SHARED && IS_IN (libc) # undef memcpy # include versioned_symbol (libc, __memcpy, memcpy, GLIBC_2_14); # endif #endif