From b08a8807044980b7906362848f62291ede50e696 Mon Sep 17 00:00:00 2001
From: Jannis Harder <me@jix.one>
Date: Sun, 29 Jan 2023 13:54:02 +0100
Subject: backends/rtlil: Do not shorten a value with z bits to 'x

---
 backends/rtlil/rtlil_backend.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'backends/rtlil/rtlil_backend.cc')

diff --git a/backends/rtlil/rtlil_backend.cc b/backends/rtlil/rtlil_backend.cc
index 7c7e26a93..574eb3aaa 100644
--- a/backends/rtlil/rtlil_backend.cc
+++ b/backends/rtlil/rtlil_backend.cc
@@ -51,7 +51,7 @@ void RTLIL_BACKEND::dump_const(std::ostream &f, const RTLIL::Const &data, int wi
 			}
 		}
 		f << stringf("%d'", width);
-		if (data.is_fully_undef()) {
+		if (data.is_fully_undef_x_only()) {
 			f << "x";
 		} else {
 			for (int i = offset+width-1; i >= offset; i--) {
-- 
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