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
mpys(opnd1,opnd2,result)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