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Killing some signals might make others killable.

This commit is contained in:
steve 2000-11-19 20:48:53 +00:00
parent 457d193238
commit ec0d12b738
1 changed files with 14 additions and 3 deletions
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15
nodangle.cc
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@ -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: nodangle.cc,v 1.9 2000/11/18 05:12:45 steve Exp $" #ident "$Id: nodangle.cc,v 1.10 2000/11/19 20:48:53 steve Exp $"
#endif #endif
/* /*
@ -33,6 +33,8 @@ class nodangle_f : public functor_t {
public: public:
void event(Design*des, NetEvent*ev); void event(Design*des, NetEvent*ev);
void signal(Design*des, NetNet*sig); void signal(Design*des, NetNet*sig);
unsigned count_;
}; };
void nodangle_f::event(Design*des, NetEvent*ev) void nodangle_f::event(Design*des, NetEvent*ev)
@ -98,18 +100,27 @@ void nodangle_f::signal(Design*des, NetNet*sig)
/* If every pin is connected to another significant signal, /* If every pin is connected to another significant signal,
then I can delete this one. */ then I can delete this one. */
if (significant_flags == sig->pin_count()) if (significant_flags == sig->pin_count()) {
count_ += 1;
delete sig; delete sig;
} }
}
void nodangle(Design*des) void nodangle(Design*des)
{ {
nodangle_f fun; nodangle_f fun;
do {
fun.count_ = 0;
des->functor(&fun); des->functor(&fun);
} while (fun.count_ > 0);
} }
/* /*
* $Log: nodangle.cc,v $ * $Log: nodangle.cc,v $
* Revision 1.10 2000/11/19 20:48:53 steve
* Killing some signals might make others killable.
*
* Revision 1.9 2000/11/18 05:12:45 steve * Revision 1.9 2000/11/18 05:12:45 steve
* Delete unreferenced signals no matter what. * Delete unreferenced signals no matter what.
* *