Merge pull request #8716 from The-OpenROAD-Project-staging/mpl-corner-pushing

mpl: push clusters with macros to corners instead of edges

Author: maliberty

src/mpl/src/SACoreSoftMacro.cpp

@@ -454,8 +454,8 @@ void SACoreSoftMacro::calBoundaryPenalty()
       y_dist_from_root
           = std::min(global_ly, std::abs(root_->getHeight() - global_uy));
 
-      boundary_penalty_ += std::min(x_dist_from_root, y_dist_from_root)
-                           * soft_macro.getNumMacro();
+      boundary_penalty_
+          += (x_dist_from_root + y_dist_from_root) * soft_macro.getNumMacro();
     }
   }
   // normalization

src/mpl/test/fixed_ios1.defok

@@ -1,5 +1,5 @@
 # Test if the bundled nets inside annealing are correct for a block with
-# pins with different constraint regions and Macro -> IO connections.
+# pins with a constraint region and Macro -> IO connections.
 source "helpers.tcl"
 
 read_lef Nangate45/Nangate45.lef