From 38a0c30d65584335fee3e17f9075711853638ac3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcelina=20Ko=C5=9Bcielnicka?= <mwk@0x04.net>
Date: Sat, 11 Apr 2020 18:36:51 +0200
Subject: Get rid of dffsr2dff.

This pass is a proper subset of opt_rmdff, which is called by opt, which
is called by every synth flow in the coarse part.  Thus, it never
actually does anything and can be safely removed.
---
 techlibs/ecp5/synth_ecp5.cc | 1 -
 1 file changed, 1 deletion(-)

(limited to 'techlibs/ecp5')

diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc
index 6f5790a14..ab740ea0d 100644
--- a/techlibs/ecp5/synth_ecp5.cc
+++ b/techlibs/ecp5/synth_ecp5.cc
@@ -298,7 +298,6 @@ struct SynthEcp5Pass : public ScriptPass
 
 		if (check_label("map_ffs"))
 		{
-			run("dffsr2dff");
 			run("dff2dffs");
 			run("opt_clean");
 			if (!nodffe)
-- 
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