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/* Multiple versions of memmove.
Copyright (C) 2016-2019 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
<http://www.gnu.org/licenses/>. */
#include <ifunc-memcpy.h>
#if HAVE_MEMMOVE_IFUNC
/* If we don't use ifunc, an alias is defined for memmove
in sysdeps/s390/memmove-c.c or sysdeps/s390/memcpy.S
depending on the used default implementation. */
# undef memmove
# define memmove __redirect_memmove
# include <string.h>
# include <ifunc-resolve.h>
# undef memmove
# if HAVE_MEMMOVE_C
extern __typeof (__redirect_memmove) MEMMOVE_C attribute_hidden;
# endif
# if HAVE_MEMMOVE_Z13
extern __typeof (__redirect_memmove) MEMMOVE_Z13 attribute_hidden;
# endif
# if HAVE_MEMMOVE_ARCH13
extern __typeof (__redirect_memmove) MEMMOVE_ARCH13 attribute_hidden;
# endif
s390_libc_ifunc_expr (__redirect_memmove, memmove,
({
s390_libc_ifunc_expr_stfle_init ();
(HAVE_MEMMOVE_ARCH13
&& S390_IS_ARCH13_MIE3 (stfle_bits))
? MEMMOVE_ARCH13
: (HAVE_MEMMOVE_Z13 && (hwcap & HWCAP_S390_VX))
? MEMMOVE_Z13
: MEMMOVE_DEFAULT;
})
)
#endif
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