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/* libgcc routines for RL78
Copyright (C) 2005-2016 Free Software Foundation, Inc.
Contributed by Red Hat.
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/>. */
UINT_TYPE C3(__mul,NAME_MODE,3) (UINT_TYPE, UINT_TYPE);
UINT_TYPE
C3(__mul,NAME_MODE,3) (UINT_TYPE a, UINT_TYPE b)
{
UINT_TYPE rv = 0;
char bit;
for (bit=0; b && bit<sizeof(UINT_TYPE)*8; bit++)
{
if (b & 1)
rv += a;
a <<= 1;
b >>= 1;
}
return rv;
}
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