| /* |
| * OpenRISC Linux |
| * |
| * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> |
| * |
| * This program 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 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #ifndef __ASM_OPENRISC___FLS_H |
| #define __ASM_OPENRISC___FLS_H |
| |
| |
| #ifdef CONFIG_OPENRISC_HAVE_INST_FL1 |
| |
| static inline unsigned long __fls(unsigned long x) |
| { |
| int ret; |
| |
| __asm__ ("l.fl1 %0,%1" |
| : "=r" (ret) |
| : "r" (x)); |
| |
| return ret-1; |
| } |
| |
| #else |
| #include <asm-generic/bitops/__fls.h> |
| #endif |
| |
| #endif /* __ASM_OPENRISC___FLS_H */ |
