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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.
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All versions must be listed in ifunc-impl-list.c.
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Copyright (C) 2017-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* Define multiple versions only for the definition in libc. */
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#if IS_IN (libc)
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# define __wcslen __redirect_wcslen
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# include <wchar.h>
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# undef __wcslen
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# define SYMBOL_NAME wcslen
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# include "ifunc-wcslen.h"
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libc_ifunc_redirected (__redirect_wcslen, __wcslen, IFUNC_SELECTOR ());
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weak_alias (__wcslen, wcslen);
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#endif
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