xref: /openbsd/sys/arch/hppa/spmath/mpys.c (revision 76d0caae)
1 /*	$OpenBSD: mpys.c,v 1.7 2003/04/10 17:27:58 mickey Exp $	*/
2 /*
3   (c) Copyright 1986 HEWLETT-PACKARD COMPANY
4   To anyone who acknowledges that this file is provided "AS IS"
5   without any express or implied warranty:
6       permission to use, copy, modify, and distribute this file
7   for any purpose is hereby granted without fee, provided that
8   the above copyright notice and this notice appears in all
9   copies, and that the name of Hewlett-Packard Company not be
10   used in advertising or publicity pertaining to distribution
11   of the software without specific, written prior permission.
12   Hewlett-Packard Company makes no representations about the
13   suitability of this software for any purpose.
14 */
15 /* @(#)mpys.c: Revision: 1.6.88.1 Date: 93/12/07 15:06:43 */
16 
17 #include "md.h"
18 
19 void
20 mpys(opnd1,opnd2,result)
21 	int opnd1, opnd2;
22 	struct mdsfu_register *result;
23 {
24 	s_xmpy(&opnd1,&opnd2,result);
25 
26 	/* determine overflow status */
27 	if ((result_hi == 0 && result_lo >= 0) ||
28 	    (result_hi == -1 && result_lo < 0))
29 		overflow = FALSE;
30 	else
31 		overflow = TRUE;
32 }
33