162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * OpenRISC Linux 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#ifndef __ASM_OPENRISC_FLS_H 962306a36Sopenharmony_ci#define __ASM_OPENRISC_FLS_H 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#ifdef CONFIG_OPENRISC_HAVE_INST_FL1 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_cistatic inline int fls(unsigned int x) 1562306a36Sopenharmony_ci{ 1662306a36Sopenharmony_ci int ret; 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci __asm__ ("l.fl1 %0,%1" 1962306a36Sopenharmony_ci : "=r" (ret) 2062306a36Sopenharmony_ci : "r" (x)); 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci return ret; 2362306a36Sopenharmony_ci} 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci#else 2662306a36Sopenharmony_ci#include <asm-generic/bitops/fls.h> 2762306a36Sopenharmony_ci#endif 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci#endif /* __ASM_OPENRISC_FLS_H */ 30