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Do not delete synthesized signals used in expressions.

This commit is contained in:
steve 2000-11-29 23:16:18 +00:00
parent 02f876ac69
commit a5c69b50e5
2 changed files with 15 additions and 3 deletions
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7
expr_synth.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: expr_synth.cc,v 1.17 2000/11/29 05:24:00 steve Exp $" #ident "$Id: expr_synth.cc,v 1.18 2000/11/29 23:16:18 steve Exp $"
#endif #endif
# include "netlist.h" # include "netlist.h"
@ -308,7 +308,7 @@ NetNet* NetEConcat::synthesize(Design*des)
obit += 1; obit += 1;
} }
if (tmp->local_flag()) if (tmp->local_flag() && tmp->get_eref() == 0)
delete tmp; delete tmp;
} }
@ -444,6 +444,9 @@ NetNet* NetESignal::synthesize(Design*des)
/* /*
* $Log: expr_synth.cc,v $ * $Log: expr_synth.cc,v $
* Revision 1.18 2000/11/29 23:16:18 steve
* Do not delete synthesized signals used in expressions.
*
* Revision 1.17 2000/11/29 05:24:00 steve * Revision 1.17 2000/11/29 05:24:00 steve
* synthesis for unary reduction ! and N operators. * synthesis for unary reduction ! and N operators.
* *

11
netlist.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: netlist.cc,v 1.147 2000/11/29 05:24:00 steve Exp $" #ident "$Id: netlist.cc,v 1.148 2000/11/29 23:16:19 steve Exp $"
#endif #endif
# include <cassert> # include <cassert>
@ -369,6 +369,12 @@ NetNet::NetNet(NetScope*s, const string&n, Type t, long ms, long ls)
NetNet::~NetNet() NetNet::~NetNet()
{ {
if (eref_count_ > 0) {
cerr << get_line() << ": internal error: attempt to delete "
<< "signal ``" << name() << "'' which has "
<< "expression references." << endl;
dump_net(cerr, 4);
}
assert(eref_count_ == 0); assert(eref_count_ == 0);
if (scope()) if (scope())
scope()->rem_signal(this); scope()->rem_signal(this);
@ -2465,6 +2471,9 @@ bool NetUDP::sequ_glob_(string input, char output)
/* /*
* $Log: netlist.cc,v $ * $Log: netlist.cc,v $
* Revision 1.148 2000/11/29 23:16:19 steve
* Do not delete synthesized signals used in expressions.
*
* Revision 1.147 2000/11/29 05:24:00 steve * Revision 1.147 2000/11/29 05:24:00 steve
* synthesis for unary reduction ! and N operators. * synthesis for unary reduction ! and N operators.
* *