From 3517db6b643e2d29e1d5982b7718f8d3b984e335 Mon Sep 17 00:00:00 2001
From: Ross Thompson <ross1728@gmail.com>
Date: Wed, 5 Jan 2022 17:48:08 -0600
Subject: [PATCH] Fixed xilinx synth error with $error in extend.sv

---
 pipelined/src/ieu/extend.sv | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pipelined/src/ieu/extend.sv b/pipelined/src/ieu/extend.sv
index cdc3db65f..784001424 100644
--- a/pipelined/src/ieu/extend.sv
+++ b/pipelined/src/ieu/extend.sv
@@ -49,7 +49,9 @@ module extend (
                 else              ExtImmD = undefined;
       default: begin
         ExtImmD = undefined; // undefined
+		// synthesis translate_off
         $error("Invalid ImmSrcD in extend");
+		// synthesis translate_on
       end
     endcase  
 endmodule