add vnb/vpb lvs correspondence points

compiler/base/design.py

@@ -53,7 +53,6 @@ class design(hierarchy_design):
             (width, height) = utils.get_libcell_size(self.cell_name,
                                                      GDS["unit"],
                                                      layer[prop.boundary_layer])
-
             self.pin_map = utils.get_libcell_pins(self.pins,
                                                   self.cell_name,
                                                   GDS["unit"])

compiler/gdsMill/gdsMill/vlsiLayout.py

@@ -749,6 +749,7 @@ class VlsiLayout:
         Find all text labels and create a map to a list of shapes that
         they enclose on the given layer.
         """
+
         # Get the labels on a layer in the root level
         labels = self.getTexts(lpp)
 
@@ -760,6 +761,12 @@ class VlsiLayout:
             label_coordinate = label.coordinates[0]
             user_coordinate = [x*self.units[0] for x in label_coordinate]
             pin_shapes = []
+            try:
+                from tech import layer_override
+                if layer_override[label.textString]:
+                    shapes = self.getAllShapes((layer_override[label.textString], None))
+            except:
+                pass
             for boundary in shapes:
                 if self.labelInRectangle(user_coordinate, boundary):
                     pin_shapes.append((lpp, boundary))

compiler/modules/bitcell_base_array.py

@@ -161,8 +161,20 @@ class bitcell_base_array(design.design):
         for row in range(self.row_size):
             for col in range(self.column_size):
                 inst = self.cell_inst[row, col]
-                for pin_name in ["vdd", "gnd"]:
-                    self.copy_layout_pin(inst, pin_name)
+                if row == 2: #add only 1 label per col
+                    for pin_name in ["vdd", "gnd"]:
+                        self.copy_layout_pin(inst, pin_name)
+                    if 'VPB' in self.cell_inst[row, col].mod.pins:
+                        self.add_label("gnd", inst.get_pin("vpb").layer, inst.get_pin("vpb").ll())
+                    if 'VNB' in self.cell_inst[row, col].mod.pins:
+                        try:
+                            from tech import layer_override
+                            if layer_override['VNB\x00']:
+                                inst.get_pin("vnb").layer = layer_override['VNB\x00']
+                        except:
+                            pass
+                        self.add_label("vdd", inst.get_pin("vnb").layer, inst.get_pin("vnb").ll())
+
 
     def _adjust_x_offset(self, xoffset, col, col_offset):
         tempx = xoffset