37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/* The implementation of __popcounthi2.
|
|
Copyright (C) 2003-2018 Free Software Foundation, Inc.
|
|
|
|
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 __popcounthi2 (unsigned short x);
|
|
|
|
int
|
|
__popcounthi2 (unsigned short x)
|
|
{
|
|
int i;
|
|
int count = 0;
|
|
for (i = 0; i < 16; i++)
|
|
if (x & ((unsigned short) 1 << i))
|
|
count++;
|
|
return count;
|
|
}
|