libgcc/config/arm/bpabi.c

   1 /* Miscellaneous BPABI functions.
   2
   3    Copyright (C) 2003-2013 Free Software Foundation, Inc.
   4    Contributed by CodeSourcery, LLC.
   5
   6    This file is free software; you can redistribute it and/or modify it
   7    under the terms of the GNU General Public License as published by the
   8    Free Software Foundation; either version 3, or (at your option) any
   9    later version.
  10
  11    This file is distributed in the hope that it will be useful, but
  12    WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    General Public License for more details.
  15
  16    Under Section 7 of GPL version 3, you are granted additional
  17    permissions described in the GCC Runtime Library Exception, version
  18    3.1, as published by the Free Software Foundation.
  19
  20    You should have received a copy of the GNU General Public License and
  21    a copy of the GCC Runtime Library Exception along with this program;
  22    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23    <http://www.gnu.org/licenses/>.  */
  24
  25 extern long long __divdi3 (long long, long long);
  26 extern unsigned long long __udivdi3 (unsigned long long,
  27                                      unsigned long long);
  28 extern long long __gnu_ldivmod_helper (long long, long long, long long *);
  29 extern unsigned long long __gnu_uldivmod_helper (unsigned long long,
  30                                                  unsigned long long,
  31                                                  unsigned long long *);
  32
  33
  34 long long
  35 __gnu_ldivmod_helper (long long a,
  36                       long long b,
  37                       long long *remainder)
  38 {
  39   long long quotient;
  40
  41   quotient = __divdi3 (a, b);
  42   *remainder = a - b * quotient;
  43   return quotient;
  44 }
  45
  46 unsigned long long
  47 __gnu_uldivmod_helper (unsigned long long a,
  48                        unsigned long long b,
  49                        unsigned long long *remainder)
  50 {
  51   unsigned long long quotient;
  52
  53   quotient = __udivdi3 (a, b);
  54   *remainder = a - b * quotient;
  55   return quotient;
  56 }