From 5343f9c98b286dde2d472765b311b0d1501de456 Mon Sep 17 00:00:00 2001
From: Jean-Paul Chaput <Jean-Paul.Chaput@lip6.fr>
Date: Sat, 16 Oct 2021 13:45:14 +0200
Subject: [PATCH] Disable tie cell insertion in EtesianEngine::toHurricane().

* Change: In Etesianengine::toHurricane(), no longer call interTies().
    This *should* no longer be needed as almost all standard cells
    (SxLib & FlexLib) already contains polarisation contacts.
      So do not need to disturb the placement.
      Secondly, in presence of a H-Tree, when there is not enough
    space to insert a sufficient number of tie cell, the lefmost one
    in the sub-row is shifted to left, overlaping the H-Tree buffer
    cells. This is a bug (even signaled by a warning). But as this
    part is disabled, I won't correct it soon...
---
 etesian/src/Placement.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/etesian/src/Placement.cpp b/etesian/src/Placement.cpp
index 8a8ec225..cc138e8f 100644
--- a/etesian/src/Placement.cpp
+++ b/etesian/src/Placement.cpp
@@ -16,6 +16,7 @@
 
 #include "hurricane/Error.h"
 #include "hurricane/Warning.h"
+#include "hurricane/Breakpoint.h"
 #include "hurricane/DataBase.h"
 #include "hurricane/DebugSession.h"
 #include "hurricane/UpdateSession.h"
@@ -35,8 +36,9 @@ namespace Etesian {
 
   using namespace std;
   using Hurricane::tab;
-  using Hurricane::Warning;
   using Hurricane::Error;
+  using Hurricane::Warning;
+  using Hurricane::Breakpoint;
   using Hurricane::Path;
   using Hurricane::Transformation;
   using Hurricane::DataBase;
@@ -738,6 +740,8 @@ namespace Etesian {
 
   void  EtesianEngine::toHurricane ()
   {
+    Breakpoint::stop( 101, "EtesianEngine::toHurricane() called." );
+    
     if (not getFeedCells().feedNumbers()) {
       cerr << Warning( "EtesianEngine::readSlices(): No feed cells available, skipping." ) << endl;
       return;
@@ -813,6 +817,7 @@ namespace Etesian {
 
     _area->buildSubSlices();
     _area->showSubSlices();
+#if DISABLED_TIE_INSERTION
     if (getConfiguration()->getLatchUpDistance()) {
       Cell*     feed       = getFeedCells().getBiggestFeed();
       DbU::Unit tieSpacing = getConfiguration()->getLatchUpDistance()*2 - feed->getAbutmentBox().getWidth();
@@ -820,12 +825,15 @@ namespace Etesian {
         tieSpacing -= feed->getAbutmentBox().getWidth();
       _area->insertTies( tieSpacing );
     }
+#endif
     _area->addFeeds();
 
     UpdateSession::close();
   //DebugSession::close();
 
     if (_viewer) _viewer->getCellWidget()->refresh();
+
+    Breakpoint::stop( 101, "EtesianEngine::toHurricane() finished." );
   }