From: David Shah <dave@ds0.me>
Date: Sun, 20 Oct 2019 09:30:41 +0000 (+0100)
Subject: ecp5: Pass -nomfs to abc9
X-Git-Tag: working-ls180~983
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fa989e59e5a37d804d8a82050e022b8f4b7070d8;p=yosys.git

ecp5: Pass -nomfs to abc9

Fixes #1459

Signed-off-by: David Shah <dave@ds0.me>
---

diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc
index a79dee31f..800a8ce22 100644
--- a/techlibs/ecp5/synth_ecp5.cc
+++ b/techlibs/ecp5/synth_ecp5.cc
@@ -314,9 +314,9 @@ struct SynthEcp5Pass : public ScriptPass
 			if (abc9) {
 				run("read_verilog -icells -lib +/ecp5/abc9_model.v");
 				if (nowidelut)
-					run("abc9 -lut +/ecp5/abc9_5g_nowide.lut -box +/ecp5/abc9_5g.box -W 200");
+					run("abc9 -lut +/ecp5/abc9_5g_nowide.lut -box +/ecp5/abc9_5g.box -W 200 -nomfs");
 				else
-					run("abc9 -lut +/ecp5/abc9_5g.lut -box +/ecp5/abc9_5g.box -W 200");
+					run("abc9 -lut +/ecp5/abc9_5g.lut -box +/ecp5/abc9_5g.box -W 200 -nomfs");
 				run("techmap -map +/ecp5/abc9_unmap.v");
 			} else {
 				if (nowidelut)