gcc/libgcc/config/msp430/msp430-mul.h
DJ Delorie f6a83b4a9f MAINTAINERS: Add Nick Clifton and DJ Delorie as msp430 maintainers.
* MAINTAINERS: Add Nick Clifton and DJ Delorie as msp430
maintainers.

[gcc]
* config/msp430/: New port.
* config.gcc (msp430): Added.
* doc/invoke.texi: Document MSP430 options.
* doc/install.texi: Document msp430-elf
* doc/md.texi: Document msp430-elf
* doc/contrib.texi: Document msp430-elf

[libgcc]
* config.host (msp*-*-elf): New.
* config/msp430/: New port.

[contrib]
* config-list.mk: Add msp430-elf.

From-SVN: r202535
2013-09-12 13:52:41 -04:00

44 lines
1.3 KiB
C

/* libgcc routines for RL78
Copyright (C) 2005, 2009, 2011
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;
}