Viewing file:  lib2funcs.c (1.15 KB) -rw-r--r--
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/* Copyright (C) 2003-2022 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/>. */
typedef unsigned int USItype __attribute__ ((mode (SI)));
USItype
__mulsi3 (USItype a, USItype b)
{
USItype c = 0;
while (a != 0)
{
if (a & 1)
c += b;
a >>= 1;
b <<= 1;
}
return c;
}
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