xref: /openbsd-src/sys/arch/hppa/spmath/hppa.h (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: hppa.h,v 1.4 2001/03/29 03:58:18 mickey Exp $	*/
2 
3 /*
4  * Copyright 1996 1995 by Open Software Foundation, Inc.
5  *              All Rights Reserved
6  *
7  * Permission to use, copy, modify, and distribute this software and
8  * its documentation for any purpose and without fee is hereby granted,
9  * provided that the above copyright notice appears in all copies and
10  * that both the copyright notice and this permission notice appear in
11  * supporting documentation.
12  *
13  * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
14  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
15  * FOR A PARTICULAR PURPOSE.
16  *
17  * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
18  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
19  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
20  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
21  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22  */
23 /*
24  * pmk1.1
25  */
26 /*
27  * (c) Copyright 1986 HEWLETT-PACKARD COMPANY
28  *
29  * To anyone who acknowledges that this file is provided "AS IS"
30  * without any express or implied warranty:
31  *     permission to use, copy, modify, and distribute this file
32  * for any purpose is hereby granted without fee, provided that
33  * the above copyright notice and this notice appears in all
34  * copies, and that the name of Hewlett-Packard Company not be
35  * used in advertising or publicity pertaining to distribution
36  * of the software without specific, written prior permission.
37  * Hewlett-Packard Company makes no representations about the
38  * suitability of this software for any purpose.
39  */
40 
41 /* amount is assumed to be a constant between 0 and 32 (non-inclusive) */
42 #define Shiftdouble(left,right,amount,dest)			\
43     /* int left, right, amount, dest; */			\
44     dest = ((left) << (32-(amount))) | ((unsigned int)(right) >> (amount))
45 
46 /* amount must be less than 32 */
47 #define Variableshiftdouble(left,right,amount,dest)		\
48     /* unsigned int left, right;  int amount, dest; */		\
49     if (amount == 0) dest = right;				\
50     else dest = ((((unsigned) left)&0x7fffffff) << (32-(amount))) |	\
51 	((unsigned) right >> (amount))
52 
53 /* amount must be between 0 and 32 (non-inclusive) */
54 #define Variable_shift_double(left,right,amount,dest)		\
55     /* unsigned int left, right;  int amount, dest; */		\
56     dest = (left << (32-(amount))) | ((unsigned) right >> (amount))
57