mprove RouteNodeGraph.isAccessible() for cross-SLR

Signed-off-by: Eddie Hung <eddie.hung@amd.com>
Xilinx · Jul 12, 2024 · 47cd53d · 47cd53d
1 parent 14c470a
commit 47cd53d
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/com/xilinx/rapidwright/rwroute/RouteNodeGraph.java b/src/com/xilinx/rapidwright/rwroute/RouteNodeGraph.java
@@ -560,8 +560,9 @@ public boolean isAccessible(RouteNode childRnode, Connection connection) {
         }
 
         int childX = childTile.getTileXCoordinate();
-        if (connection.isCrossSLR() && nextLagunaColumn[childX] == childX) {
-            // Connection crosses SLR and this is a Laguna column
+        if (connection.getSinkRnode().getSLRIndex() != childRnode.getSLRIndex() &&
+                nextLagunaColumn[childX] == childX) {
+            // Connection needs to cross SLRs and this is a Laguna column
             return true;
         }