| /* SPDX-License-Identifier: GPL-2.0-or-later */ | |
| /* | |
| * OpenRISC Linux | |
| * | |
| * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> | |
| */ | |
| #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 */ |