/* * 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___FFS_H #define __ASM_OPENRISC___FFS_H #ifdef [31mCONFIG_OPENRISC_HAVE_INST_FF1[0m static inline unsigned long __ffs(unsigned long x) { int ret; __asm__ ("l.ff1 %0,%1" : "=r" (ret) : "r" (x)); return ret-1; } #else #include <asm-generic/bitops/__ffs.h> #endif #endif /* __ASM_OPENRISC___FFS_H */ |