mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 22:00:08 +00:00
6f573a27b6
No bug. This comment adds the ifunc / build infrastructure necessary for wcslen to prefer the sse4.1 implementation in strlen-vec.S. test-wcslen.c is passing. Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com> Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
/* Multiple versions of wcslen.
|
|
All versions must be listed in ifunc-impl-list.c.
|
|
Copyright (C) 2017-2021 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 the definition in libc. */
|
|
#if IS_IN (libc)
|
|
# define __wcslen __redirect_wcslen
|
|
# include <wchar.h>
|
|
# undef __wcslen
|
|
|
|
# define SYMBOL_NAME wcslen
|
|
# include "ifunc-wcslen.h"
|
|
|
|
libc_ifunc_redirected (__redirect_wcslen, __wcslen, IFUNC_SELECTOR ());
|
|
weak_alias (__wcslen, wcslen);
|
|
#endif
|