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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [udivmodsi4.c] - Rev 288
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/* Copyright (C) 2000 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/>. */ unsigned long udivmodsi4(unsigned long num, unsigned long den, int modwanted) { unsigned long bit = 1; unsigned long res = 0; while (den < num && bit && !(den & (1L<<31))) { den <<=1; bit <<=1; } while (bit) { if (num >= den) { num -= den; res |= bit; } bit >>=1; den >>=1; } if (modwanted) return num; return res; }
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