/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * OpenRISC Linux * * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> */ #ifndef __ASM_OPENRISC___FFS_H #define __ASM_OPENRISC___FFS_H #ifdef CONFIG_OPENRISC_HAVE_INST_FF1 static inline __attribute_const__ 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 */