1 /* bithelp.h - Some bit manipulation helpers
2 * Copyright (C) 1999 Free Software Foundation, Inc.
4 * This file is part of GnuPG.
6 * GnuPG is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * GnuPG is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
20 * $Id: bithelp.h,v 1.3 2003/06/04 20:57:07 noodles Exp $
27 * rol - Rotate a 32 bit integer by n bytes
28 * @x: The integer to rotate.
29 * @n: The number of bytes to rotate it by.
31 static inline unsigned int rol(int x, int n)
33 __asm__("roll %%cl,%0"
39 #endif /* __BITHELP_H__ */