glibc/sysdeps/s390/memchr.c

42 lines
1.3 KiB
C

/* Multiple versions of memchr.
Copyright (C) 2015-2022 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/>. */
#include <ifunc-memchr.h>
#if HAVE_MEMCHR_IFUNC
# define memchr __redirect_memchr
# include <string.h>
# undef memchr
# include <ifunc-resolve.h>
# if HAVE_MEMCHR_Z900_G5
extern __typeof (__redirect_memchr) MEMCHR_Z900_G5 attribute_hidden;
# endif
# if HAVE_MEMCHR_Z13
extern __typeof (__redirect_memchr) MEMCHR_Z13 attribute_hidden;
# endif
s390_libc_ifunc_expr (__redirect_memchr, __memchr,
(HAVE_MEMCHR_Z13 && (hwcap & HWCAP_S390_VX))
? MEMCHR_Z13
: MEMCHR_DEFAULT
)
weak_alias (__memchr, memchr)
#endif