diff options
Diffstat (limited to 'libgcc/config/h8300/clzhi2.c')
-rw-r--r-- | libgcc/config/h8300/clzhi2.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libgcc/config/h8300/clzhi2.c b/libgcc/config/h8300/clzhi2.c new file mode 100644 index 00000000000..54db7b9c56b --- /dev/null +++ b/libgcc/config/h8300/clzhi2.c @@ -0,0 +1,35 @@ +/* The implementation of __clzhi2. + Copyright (C) 2003, 2009 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/>. */ + +int __clzhi2 (unsigned short x); + +int +__clzhi2 (unsigned short x) +{ + int i; + for (i = 0; i < 16; i++) + if (x & ((unsigned short) 1 << (15 - i))) + break; + return i; +} |