From d0fabd85c04322a1de2f1345f1c40b1b935afc1d Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie.hung@amd.com>
Date: Thu, 14 Nov 2024 14:07:51 -0800
Subject: [PATCH] [PartialRouter] Always preserve all static sinks

Signed-off-by: Eddie Hung <eddie.hung@amd.com>
---
 src/com/xilinx/rapidwright/rwroute/PartialRouter.java | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/com/xilinx/rapidwright/rwroute/PartialRouter.java b/src/com/xilinx/rapidwright/rwroute/PartialRouter.java
index 74a5f2d4f..892de8e0b 100644
--- a/src/com/xilinx/rapidwright/rwroute/PartialRouter.java
+++ b/src/com/xilinx/rapidwright/rwroute/PartialRouter.java
@@ -310,8 +310,11 @@ protected void addStaticNetRoutingTargets(Net staticNet) {
 
     @Override
     protected void preserveNet(Net net, boolean async) {
-        List<SitePinInst> pinsToRoute = netToPins.get(net);
-        // Only preserve those pins that are not to be routed
+        List<SitePinInst> pinsToRoute = null;
+        if (!net.isStaticNet()) {
+            // Only preserve those pins that are not to be routed
+            pinsToRoute = netToPins.get(net);
+        }
         List<SitePinInst> pinsToPreserve;
         if (pinsToRoute == null) {
             pinsToPreserve = net.getPins();