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- /* libgcc routines for RL78
- Copyright (C) 2005-2022 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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