From 734249a5e63f1be71f640f9fb53f5fa5a420fc60 Mon Sep 17 00:00:00 2001
From: "Emil J. Tywoniak" <emil@tywoniak.eu>
Date: Wed, 18 Mar 2026 12:56:52 +0100
Subject: [PATCH] opt_dff: temporarily disable signorm due to muxtree traversal

---
 passes/opt/opt_dff.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/passes/opt/opt_dff.cc b/passes/opt/opt_dff.cc
index 04bcec835..cae303773 100644
--- a/passes/opt/opt_dff.cc
+++ b/passes/opt/opt_dff.cc
@@ -980,6 +980,8 @@ struct OptDffPass : public Pass {
 			break;
 		}
 		extra_args(args, argidx, design);
+		// TODO extra wires signorm adds breaks muxtree traversal or requires sigmapping
+		design->sigNormalize(false);
 
 		bool did_something = false;
 		for (auto mod : design->selected_modules()) {