glibc/ports/sysdeps/tile/ffs.c

45 lines
1.2 KiB
C

/* Copyright (C) 2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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 <limits.h>
#define ffsl __something_else
#include <string.h>
#undef ffs
int
__ffs (int x)
{
return __builtin_ffs (x);
}
weak_alias (__ffs, ffs)
libc_hidden_builtin_def (ffs)
#undef ffsll
int
ffsll (long long x)
{
return __builtin_ffsll (x);
}
#undef ffsl
#if ULONG_MAX == UINT_MAX
weak_alias (__ffs, ffsl)
#else
weak_alias (ffsll, ffsl)
#endif