From 4a178d7cff51a0623666b3b7d6beaeacf04d1938 Mon Sep 17 00:00:00 2001
From: Anhijkt <mihail.ershov.zp@gmail.com>
Date: Thu, 10 Apr 2025 17:42:39 +0300
Subject: [PATCH] ice40_dsp: change unextend call condition

---
 techlibs/ice40/ice40_dsp.pmg | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/techlibs/ice40/ice40_dsp.pmg b/techlibs/ice40/ice40_dsp.pmg
index 2cfb97b2a..ff7c5cb65 100644
--- a/techlibs/ice40/ice40_dsp.pmg
+++ b/techlibs/ice40/ice40_dsp.pmg
@@ -32,8 +32,8 @@ code sigA sigB sigH
 		++i;
 		return sig.extract(0, i);
 	};
-	sigA = port(mul, \A).is_fully_const() ? port(mul, \A) : unextend(port(mul, \A));
-	sigB = port(mul, \B).is_fully_const() ? port(mul, \B) : unextend(port(mul, \B));
+	sigA = param(mul, \A_SIGNED).as_bool() ? unextend(port(mul, \A)) : port(mul, \A);
+	sigB = param(mul, \B_SIGNED).as_bool() ? unextend(port(mul, \B)) : port(mul, \B);
 
 	SigSpec O;
 	if (mul->type == $mul)