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/*
* Copyright (c) 2000 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: link_const.cc,v 1.2 2000/05/07 04:37:56 steve Exp $"
#endif
# include "netlist.h"
# include "netmisc.h"
NetConst* link_const_value(Link&pin, unsigned&idx)
{
NetConst*robj = 0;
unsigned ridx = 0;
for (Link*cur = pin.next_link()
; *cur != pin ; cur = cur->next_link()) {
NetConst*tmp;
if ((tmp = dynamic_cast<NetConst*>(cur->get_obj())) == 0)
continue;
if (robj != 0)
continue;
robj = tmp;
ridx = cur->get_pin();
}
idx = ridx;
return robj;
}
/*
* $Log: link_const.cc,v $
* Revision 1.2 2000/05/07 04:37:56 steve
* Carry strength values from Verilog source to the
* pform and netlist for gates.
*
* Change vvm constants to use the driver_t to drive
* a constant value. This works better if there are
* multiple drivers on a signal.
*
* Revision 1.1 2000/04/20 00:28:03 steve
* Catch some simple identity compareoptimizations.
*
*/
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