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Diffstat (limited to 'libgcc/config/iq2000/lib2funcs.c')
-rw-r--r-- | libgcc/config/iq2000/lib2funcs.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libgcc/config/iq2000/lib2funcs.c b/libgcc/config/iq2000/lib2funcs.c new file mode 100644 index 0000000..d53786c --- /dev/null +++ b/libgcc/config/iq2000/lib2funcs.c @@ -0,0 +1,40 @@ +/* Copyright (C) 2003 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/>. */ + +typedef unsigned int USItype __attribute__ ((mode (SI))); + +USItype +__mulsi3 (USItype a, USItype b) +{ + USItype c = 0; + + while (a != 0) + { + if (a & 1) + c += b; + a >>= 1; + b <<= 1; + } + + return c; +} |