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Change the signal to a net when assignments go away.

This commit is contained in:
steve 2002-07-02 03:02:57 +00:00
parent 5b5b31286b
commit 93bb4283b8
3 changed files with 48 additions and 4 deletions
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12
net_assign.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: net_assign.cc,v 1.12 2002/06/08 23:42:46 steve Exp $" #ident "$Id: net_assign.cc,v 1.13 2002/07/02 03:02:57 steve Exp $"
#endif #endif
# include "config.h" # include "config.h"
@ -57,7 +57,12 @@ NetAssign_::NetAssign_(NetMemory*s)
NetAssign_::~NetAssign_() NetAssign_::~NetAssign_()
{ {
if (sig_) sig_->decr_lref(); if (sig_) {
sig_->decr_lref();
if (sig_->peek_lref() == 0)
sig_->type(NetNet::WIRE);
}
assert( more == 0 ); assert( more == 0 );
if (bmux_) delete bmux_; if (bmux_) delete bmux_;
} }
@ -236,6 +241,9 @@ NetAssignNB::~NetAssignNB()
/* /*
* $Log: net_assign.cc,v $ * $Log: net_assign.cc,v $
* Revision 1.13 2002/07/02 03:02:57 steve
* Change the signal to a net when assignments go away.
*
* Revision 1.12 2002/06/08 23:42:46 steve * Revision 1.12 2002/06/08 23:42:46 steve
* Add NetRamDq synthsesis from memory l-values. * Add NetRamDq synthsesis from memory l-values.
* *

34
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 1.192 2002/06/21 04:59:35 steve Exp $" #ident "$Id: netlist.cc,v 1.193 2002/07/02 03:02:57 steve Exp $"
#endif #endif
# include "config.h" # include "config.h"
@ -363,6 +363,35 @@ NetNet::Type NetNet::type() const
return type_; return type_;
} }
void NetNet::type(NetNet::Type t)
{
if (type_ == t)
return;
Link::DIR dir = Link::PASSIVE;
switch (t) {
case REG:
case IMPLICIT_REG:
dir = Link::OUTPUT;
break;
case SUPPLY0:
dir = Link::OUTPUT;
break;
case SUPPLY1:
dir = Link::OUTPUT;
break;
default:
break;
}
type_ = t;
for (unsigned idx = 0 ; idx < pin_count() ; idx += 1) {
pin(idx).set_dir(dir);
}
}
NetNet::PortType NetNet::port_type() const NetNet::PortType NetNet::port_type() const
{ {
return port_type_; return port_type_;
@ -2342,6 +2371,9 @@ const NetProc*NetTaskDef::proc() const
/* /*
* $Log: netlist.cc,v $ * $Log: netlist.cc,v $
* Revision 1.193 2002/07/02 03:02:57 steve
* Change the signal to a net when assignments go away.
*
* Revision 1.192 2002/06/21 04:59:35 steve * Revision 1.192 2002/06/21 04:59:35 steve
* Carry integerness throughout the compilation. * Carry integerness throughout the compilation.
* *

6
netlist.h
View File

@ -19,7 +19,7 @@
* 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.h,v 1.249 2002/07/01 00:54:21 steve Exp $" #ident "$Id: netlist.h,v 1.250 2002/07/02 03:02:57 steve Exp $"
#endif #endif
/* /*
@ -365,6 +365,7 @@ class NetNet : public NetObj, public LineInfo {
virtual ~NetNet(); virtual ~NetNet();
Type type() const; Type type() const;
void type(Type t);
PortType port_type() const; PortType port_type() const;
void port_type(PortType t); void port_type(PortType t);
@ -2993,6 +2994,9 @@ extern ostream& operator << (ostream&, NetNet::Type);
/* /*
* $Log: netlist.h,v $ * $Log: netlist.h,v $
* Revision 1.250 2002/07/02 03:02:57 steve
* Change the signal to a net when assignments go away.
*
* Revision 1.249 2002/07/01 00:54:21 steve * Revision 1.249 2002/07/01 00:54:21 steve
* synth_asych of if/else requires redirecting the target * synth_asych of if/else requires redirecting the target
* if sub-statements. Use NetNet objects to manage the * if sub-statements. Use NetNet objects to manage the