From: Scott Thibault <sathibault@yahoo.com>
Date: Tue, 1 Feb 2022 22:55:09 +0000 (-0500)
Subject: Fix unextend method for signed constants
X-Git-Tag: yosys-0.14~9
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e04ac4e9e9658d80aa125332ec538f16f5f0f0c1;p=yosys.git

Fix unextend method for signed constants
---

diff --git a/passes/pmgen/ice40_dsp.pmg b/passes/pmgen/ice40_dsp.pmg
index 7a01cbd51..378f251c0 100644
--- a/passes/pmgen/ice40_dsp.pmg
+++ b/passes/pmgen/ice40_dsp.pmg
@@ -29,8 +29,7 @@ code sigA sigB sigH
 			if (sig[i] != sig[i-1])
 				break;
 		// Do not remove non-const sign bit
-		if (sig[i].wire)
-			++i;
+		++i;
 		return sig.extract(0, i);
 	};
 	sigA = unextend(port(mul, \A));