glibc/sysdeps/x86_64/wcsncpy.S

42 lines
1.5 KiB
ArmAsm

/* ISA level static dispatch for wcsncpy .S files.
Copyright (C) 2022-2023 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/>. */
/* wcsncpy non-multiarch build is split into two files,
wcsncpy-generic.c and wcsncpy.S. The wcsncpy-generic.c build is
for ISA level <= 1 and just uses multiarch/wcsncpy-generic.c.
This must be split into two files because we cannot include C
code from assembly or vice versa. */
#include <isa-level.h>
#if MINIMUM_X86_ISA_LEVEL >= 3
# define WCSNCPY __wcsncpy
# define DEFAULT_IMPL_V4 "multiarch/wcsncpy-evex.S"
# define DEFAULT_IMPL_V3 "multiarch/wcsncpy-avx2.S"
/* isa-default-impl.h expects DEFAULT_IMPL_V1 to be defined but it
should never be used from here. */
# define DEFAULT_IMPL_V1 "ERROR -- Invalid ISA IMPL"
# include "isa-default-impl.h"
weak_alias (__wcsncpy, wcsncpy)
libc_hidden_def (__wcsncpy)
#endif