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/* Multiple versions of memset.
Copyright (C) 2013-2024 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
<https://www.gnu.org/licenses/>. */
/* Define multiple versions only for definition in libc. */
#if defined SHARED && IS_IN (libc)
/* Redefine memset so that the compiler won't complain about the type
mismatch with the IFUNC selector in strong_alias, below. */
# undef memset
# define memset __redirect_memset
# include <string.h>
# include <shlib-compat.h>
# include "init-arch.h"
extern __typeof (__redirect_memset) __libc_memset;
extern __typeof (__redirect_memset) __memset_ppc attribute_hidden;
extern __typeof (__redirect_memset) __memset_power4 attribute_hidden;
extern __typeof (__redirect_memset) __memset_power6 attribute_hidden;
extern __typeof (__redirect_memset) __memset_power7 attribute_hidden;
extern __typeof (__redirect_memset) __memset_power8 attribute_hidden;
# ifdef __LITTLE_ENDIAN__
extern __typeof (__redirect_memset) __memset_power10 attribute_hidden;
# endif
/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
ifunc symbol properly. */
libc_ifunc (__libc_memset,
# ifdef __LITTLE_ENDIAN__
(hwcap2 & PPC_FEATURE2_ARCH_3_1
&& hwcap2 & PPC_FEATURE2_HAS_ISEL
&& hwcap & PPC_FEATURE_HAS_VSX
&& GLRO(dl_cache_line_size) == 128)
? __memset_power10 :
# endif
(hwcap2 & PPC_FEATURE2_ARCH_2_07
&& hwcap & PPC_FEATURE_HAS_ALTIVEC
&& GLRO(dl_cache_line_size) == 128)
? __memset_power8 :
(hwcap & PPC_FEATURE_ARCH_2_06
&& GLRO(dl_cache_line_size) == 128)
? __memset_power7 :
(hwcap & PPC_FEATURE_ARCH_2_05
&& GLRO(dl_cache_line_size) == 128)
? __memset_power6 :
(hwcap & PPC_FEATURE_POWER4
&& GLRO(dl_cache_line_size) == 128)
? __memset_power4
: __memset_ppc);
#undef memset
strong_alias (__libc_memset, memset);
libc_hidden_ver (__libc_memset, memset);
#endif
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