From 9d117eba9d65cf978716f1c7d41e86466ca03fc6 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Tue, 30 Apr 2019 14:46:12 +0200
Subject: Add handling of init attributes in "opt_expr -undriven"

Signed-off-by: Clifford Wolf <clifford@clifford.at>
---
 techlibs/ecp5/synth_ecp5.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'techlibs/ecp5')

diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc
index 4b889d672..c6e12248e 100644
--- a/techlibs/ecp5/synth_ecp5.cc
+++ b/techlibs/ecp5/synth_ecp5.cc
@@ -253,7 +253,7 @@ struct SynthEcp5Pass : public ScriptPass
 			if (!nodffe)
 				run("dff2dffe -direct-match $_DFF_* -direct-match $__DFFS_*");
 			run("techmap -D NO_LUT -map +/ecp5/cells_map.v");
-			run("opt_expr -mux_undef");
+			run("opt_expr -undriven -mux_undef");
 			run("simplemap");
 			run("ecp5_ffinit");
 		}
-- 
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