| /* Copyright (C) 2000-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* Finds the first bit set in an integer. */ |
| |
| #include <sysdep.h> |
| |
| .arch ev6 |
| .set noreorder |
| .set noat |
| |
| |
| ENTRY(__ffs) |
| #ifdef PROF |
| ldgp gp, 0(pv) |
| lda AT, _mcount |
| jsr AT, (AT), _mcount |
| .prologue 1 |
| #else |
| .prologue 0 |
| #endif |
| |
| zap $16, 0xF0, $16 |
| cttz $16, $0 |
| addq $0, 1, $0 |
| cmoveq $16, 0, $0 |
| |
| nop |
| nop |
| nop |
| ret |
| |
| END(__ffs) |
| |
| weak_alias (__ffs, ffs) |
| libc_hidden_def (__ffs) |
| libc_hidden_builtin_def (ffs) |