From: Clifford Wolf <clifford@clifford.at>
Date: Mon, 15 Sep 2014 09:29:09 +0000 (+0200)
Subject: Fixed wreduce $shiftx handling
X-Git-Tag: yosys-0.4~127
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2cbdbaad1f81f76422455901f1987d886fa10d19;p=yosys.git

Fixed wreduce $shiftx handling
---

diff --git a/passes/opt/wreduce.cc b/passes/opt/wreduce.cc
index 9e43bb902..58a6d1b0d 100644
--- a/passes/opt/wreduce.cc
+++ b/passes/opt/wreduce.cc
@@ -186,7 +186,7 @@ struct WreduceWorker
 		bool port_a_signed = false;
 		bool port_b_signed = false;
 
-		if (max_port_a_size >= 0)
+		if (max_port_a_size >= 0 && cell->type != "$shiftx")
 			run_reduce_inport(cell, 'A', max_port_a_size, port_a_signed, did_something);
 
 		if (max_port_b_size >= 0)