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/*
* Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
*
* This file is part of nios2sim-ng.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef _BITS_H_
#define _BITS_H_
#define BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL << (n))-1))
#endif /* _BITS_H_ */
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