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Handle (with a warning) unconnected opads.

This commit is contained in:
steve 1999-11-18 02:58:37 +00:00
parent 33946e188c
commit 23ce3a9042
1 changed files with 10 additions and 1 deletions
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11
xnfio.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: xnfio.cc,v 1.5 1999/11/02 04:55:01 steve Exp $"
#ident "$Id: xnfio.cc,v 1.6 1999/11/18 02:58:37 steve Exp $"
#endif
# include "functor.h"
@ -56,6 +56,12 @@ static void make_obuf(Design*des, NetNet*net)
/* FIXME: If there is nothing internally driving this PAD, I
can connect the PAD to a pullup and disconnect it from the
rest of the circuit. This would save routing resources. */
if (count_outputs(net->pin(0)) <= 0) {
cerr << net->get_line() << ":warning: No outputs to OPAD: "
<< net->name() << endl;
return;
}
assert(count_outputs(net->pin(0)) > 0);
/* Look for an existing OBUF connected to this signal. If it
@ -217,6 +223,9 @@ void xnfio(Design*des)
/*
* $Log: xnfio.cc,v $
* Revision 1.6 1999/11/18 02:58:37 steve
* Handle (with a warning) unconnected opads.
*
* Revision 1.5 1999/11/02 04:55:01 steve
* repair the sense of T from bufif01
*