From b75fa62e9b2a9f4410084fb1c80ceb23ed9d9c48 Mon Sep 17 00:00:00 2001
From: Jannis Harder <me@jix.one>
Date: Tue, 24 May 2022 17:18:53 +0200
Subject: verilog: fix $past's signedness

---
 frontends/ast/genrtlil.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'frontends/ast/genrtlil.cc')

diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc
index 020b4e5e8..6ef7da7a9 100644
--- a/frontends/ast/genrtlil.cc
+++ b/frontends/ast/genrtlil.cc
@@ -1084,7 +1084,7 @@ void AstNode::detectSignWidthWorker(int &width_hint, bool &sign_hint, bool *foun
 				sub_sign_hint = true;
 				children.at(0)->detectSignWidthWorker(sub_width_hint, sub_sign_hint);
 				width_hint = max(width_hint, sub_width_hint);
-				sign_hint = false;
+				sign_hint &= sub_sign_hint;
 			}
 			break;
 		}
-- 
cgit v1.2.3