1/* memcmp optimized for i686. 2 Copyright (C) 2017-2021 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#if IS_IN (libc) 20# define memcmp __memcmp_ia32 21 22# ifdef SHARED 23# undef libc_hidden_builtin_def 24/* IFUNC doesn't work with the hidden functions in shared library since 25 they will be called without setting up EBX needed for PLT which is 26 used by IFUNC. */ 27# define libc_hidden_builtin_def(name) \ 28 .globl __GI_memcmp; __GI_memcmp = memcmp 29 30# undef libc_hidden_def 31# define libc_hidden_def(name) \ 32 .globl __GI___memcmpeq; __GI___memcmpeq = __memcmpeq 33# endif 34 35# undef weak_alias 36# define weak_alias(original, alias) 37 38# undef strong_alias 39# define strong_alias(original, alias) 40#endif 41 42#include <sysdeps/i386/i686/memcmp.S> 43