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/* mculib libgcc routines of Andes NDS32 cpu for GNU compiler
Copyright (C) 2012-2015 Free Software Foundation, Inc.
Contributed by Andes Technology Corporation.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your
option) any later version.
GCC 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 General Public
License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
int
__clzsi2 (int val)
{
int i = 32;
int j = 16;
int temp;
for (; j; j >>= 1)
{
if (temp = val >> j)
{
if (j == 1)
{
return (i - 2);
}
else
{
i -= j;
val = temp;
}
}
}
return (i - val);
}
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