From: Lofty <dan.ravensloft@gmail.com>
Date: Thu, 10 Feb 2022 18:28:35 +0000 (+0000)
Subject: abc9: add flow3mfs script
X-Git-Tag: yosys-0.16~21^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5ac32ea68c0122d21c0bc837263372f25911ea46;p=yosys.git

abc9: add flow3mfs script
---

diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 1f00fc3e7..fe0802d70 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -74,12 +74,18 @@ struct Abc9Pass : public ScriptPass
 			/* Comm3 */ "&synch2 -K 6 -C 500; &if -m "/*"-E 5"*/" {C} {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save;"\
 			/* Comm2 */ "&dch -C 500; &if -m {C} {W} {D} {R} -v; &mfs "/*"-W 4 -M 500 -C 7000"*/"; &save; "\
 			"&load";
-		// Based on ABC's &flow3
+		// Based on ABC's &flow3 -m
 		RTLIL::constpad["abc9.script.flow3"] = "+&scorr; &sweep;" \
 			"&if {C} {W} {D}; &save; &st; &syn2; &if {C} {W} {D} {R} -v; &save; &load;"\
 			"&st; &if {C} -g -K 6; &dch -f; &if {C} {W} {D} {R} -v; &save; &load;"\
 			"&st; &if {C} -g -K 6; &synch2; &if {C} {W} {D} {R} -v; &save; &load;"\
 			"&mfs";
+		// As above, but with &mfs calls as in the original &flow3
+		RTLIL::constpad["abc9.script.flow3mfs"] = "+&scorr; &sweep;" \
+			"&if {C} {W} {D}; &save; &st; &syn2; &if {C} {W} {D} {R} -v; &save; &load;"\
+			"&st; &if {C} -g -K 6; &dch -f; &if {C} {W} {D} {R} -v; &mfs; &save; &load;"\
+			"&st; &if {C} -g -K 6; &synch2; &if {C} {W} {D} {R} -v; &mfs; &save; &load;"\
+			"&mfs";
 	}
 	void help() override
 	{