Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
29 lines
451 B
C
29 lines
451 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* OpenRISC Linux
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*
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* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
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*/
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#ifndef __ASM_OPENRISC_FFS_H
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#define __ASM_OPENRISC_FFS_H
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#ifdef CONFIG_OPENRISC_HAVE_INST_FF1
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static inline __attribute_const__ int ffs(int x)
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{
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int ret;
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__asm__ ("l.ff1 %0,%1"
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: "=r" (ret)
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: "r" (x));
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return ret;
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}
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#else
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#include <asm-generic/bitops/ffs.h>
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#endif
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#endif /* __ASM_OPENRISC_FFS_H */
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