From: Eddie Hung <eddie@fpgeh.com>
Date: Wed, 8 Jan 2020 20:15:01 +0000 (-0800)
Subject: Add abc9.if.script.flow{,2} to constpad
X-Git-Tag: working-ls180~870^2~16
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fbd9636e08b9a4ac5e58161ca6a6b5308cd795cb;p=yosys.git

Add abc9.if.script.flow{,2} to constpad
---

diff --git a/kernel/yosys.cc b/kernel/yosys.cc
index 6c8427c19..cd6955c3f 100644
--- a/kernel/yosys.cc
+++ b/kernel/yosys.cc
@@ -524,13 +524,39 @@ void yosys_setup()
 		PyRun_SimpleString("import sys");
 	#endif
 
-	RTLIL::constpad["abc9.script.default"] = "&scorr; &sweep; &dc2; &dch -f; &ps; &if {C} {W} {D} -v; &mfs";
-	RTLIL::constpad["abc9.script.default.area"] = "&scorr; &sweep; &dc2; &dch -f; &ps; &if {C} {W} {D} -a -v; &mfs";
-	RTLIL::constpad["abc9.script.default.fast"] = "&if {W} {D}";
+	RTLIL::constpad["abc9.script.default"] = "&scorr; &sweep; &dc2; &dch -f; &ps; &if {C} {W} {D} {R} -v; &mfs";
+	RTLIL::constpad["abc9.script.default.area"] = "&scorr; &sweep; &dc2; &dch -f; &ps; &if {C} {W} {D} {R} -a -v; &mfs";
+	RTLIL::constpad["abc9.script.default.fast"] = "&if {C} {W} {D} {R}";
+	// Based on ABC's &flow
+	RTLIL::constpad["abc9.script.flow"] = "&scorr; &sweep;" \
+		/* Round 1 */ \
+		"&unmap; &if {C} {W} {D} {R}; &mfs;" \
+		"&st; &dsdb;" \
+		"&unmap; &if {C} {W} {D} {R}; &mfs;" \
+		"&st; &syn2 -m -R 10; &dsdb;" \
+		"&blut -a -K 6;" \
+		"&unmap; &if {C} {W} {D} {R}; &mfs;" \
+		/* Round 2 */ \
+		"&st; &sopb;" \
+		"&unmap; &if {C} {W} {D} {R}; &mfs;" \
+		"&st; &dsdb;" \
+		"&unmap; &if {C} {W} {D} {R}; &mfs;" \
+		"&st; &syn2 -m -R 10; &dsdb;" \
+		"&blut -a -K 6;" \
+		"&unmap; &if {C} {W} {D} {R} -v; &mfs";
+	// Based on ABC's &flow2
+	RTLIL::constpad["abc9.script.flow2"] = "&scorr; &sweep;" \
+		/* Comm1 */ "&synch2 -K 6 -C 500; &if -m {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; &st; &sopb -R 10 -C 4; " \
+		/* 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
 	RTLIL::constpad["abc9.script.flow3"] = "&scorr; &sweep;" \
-		"&if {C} {W} {D}; &save; &st; &syn2; &if {C} {W} {D} -v; &save; &load; "\
-		"&st; &if {C} -g -K 6; &dch -f; &if {C} {W} {D} -v; &save; &load; "\
-		"&st; &if {C} -g -K 6; &synch2; &if {C} {W} {D} -v; &save; &load; "\
+		"&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";
 
 	Pass::init_register();