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      1 /*	$NetBSD: hppa.h,v 1.1 2002/06/05 01:04:25 fredette Exp $	*/
      2 
      3 /*	$OpenBSD: hppa.h,v 1.4 2001/03/29 03:58:18 mickey Exp $	*/
      4 
      5 /*
      6  * Copyright 1996 1995 by Open Software Foundation, Inc.
      7  *              All Rights Reserved
      8  *
      9  * Permission to use, copy, modify, and distribute this software and
     10  * its documentation for any purpose and without fee is hereby granted,
     11  * provided that the above copyright notice appears in all copies and
     12  * that both the copyright notice and this permission notice appear in
     13  * supporting documentation.
     14  *
     15  * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
     16  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     17  * FOR A PARTICULAR PURPOSE.
     18  *
     19  * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
     20  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
     21  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
     22  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
     23  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     24  */
     25 /*
     26  * pmk1.1
     27  */
     28 /*
     29  * (c) Copyright 1986 HEWLETT-PACKARD COMPANY
     30  *
     31  * To anyone who acknowledges that this file is provided "AS IS"
     32  * without any express or implied warranty:
     33  *     permission to use, copy, modify, and distribute this file
     34  * for any purpose is hereby granted without fee, provided that
     35  * the above copyright notice and this notice appears in all
     36  * copies, and that the name of Hewlett-Packard Company not be
     37  * used in advertising or publicity pertaining to distribution
     38  * of the software without specific, written prior permission.
     39  * Hewlett-Packard Company makes no representations about the
     40  * suitability of this software for any purpose.
     41  */
     42 
     43 /* amount is assumed to be a constant between 0 and 32 (non-inclusive) */
     44 #define Shiftdouble(left,right,amount,dest)			\
     45     /* int left, right, amount, dest; */			\
     46     dest = ((left) << (32-(amount))) | ((unsigned int)(right) >> (amount))
     47 
     48 /* amount must be less than 32 */
     49 #define Variableshiftdouble(left,right,amount,dest)		\
     50     /* unsigned int left, right;  int amount, dest; */		\
     51     if (amount == 0) dest = right;				\
     52     else dest = ((((unsigned) left)&0x7fffffff) << (32-(amount))) |	\
     53 	((unsigned) right >> (amount))
     54 
     55 /* amount must be between 0 and 32 (non-inclusive) */
     56 #define Variable_shift_double(left,right,amount,dest)		\
     57     /* unsigned int left, right;  int amount, dest; */		\
     58     dest = (left << (32-(amount))) | ((unsigned) right >> (amount))
     59