write_timing_model area

Signed-off-by: James Cherry <cherry@parallaxsw.com>

search/MakeTimingModel.cc

@@ -157,6 +157,21 @@ MakeTimingModel::makeCell()
 {
   cell_ = lib_builder_->makeCell(library_, cell_name_, filename_);
   cell_->setIsMacro(true);
+  cell_->setArea(findArea());
+}
+
+float
+MakeTimingModel::findArea()
+{
+  float area = 0.0;
+  LeafInstanceIterator *leaf_iter = network_->leafInstanceIterator();
+  while (leaf_iter->hasNext()) {
+    const Instance *inst = leaf_iter->next();
+    const LibertyCell *cell = network_->libertyCell(inst);
+    area += cell->area();
+  }
+  delete leaf_iter;
+  return area;
 }
 
 void

search/MakeTimingModelPvt.hh

@@ -57,6 +57,7 @@ public:
 private:
   void makeLibrary();
   void makeCell();
+  float findArea();
   void makePorts();
   void checkClock(Clock *clk);
   void findTimingFromInputs();