From dbb83549968edfa9320bd7b9b9aff8cd79092e89 Mon Sep 17 00:00:00 2001
From: Robert O'Callahan <rocallahan@google.com>
Date: Thu, 30 Oct 2025 13:42:53 +0000
Subject: [PATCH] Remove unnecessary pack() from SigSpec::extend_u0()

---
 kernel/rtlil.cc | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index dc2983dd4..209c181d8 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -5251,8 +5251,6 @@ void RTLIL::SigSpec::extend_u0(int width, bool is_signed)
 {
 	cover("kernel.rtlil.sigspec.extend_u0");
 
-	pack();
-
 	if (width_ > width)
 		remove(width, width_ - width);