From a63e2508fcca395e795029d5c57c59acc63a9959 Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Tue, 7 Jan 2020 12:52:03 -0800
Subject: Add RTLIL::constpad, init by yosys_setup(); use for abc9

---
 kernel/rtlil.cc | 1 +
 kernel/rtlil.h  | 2 ++
 kernel/yosys.cc | 9 +++++++++
 3 files changed, 12 insertions(+)

(limited to 'kernel')

diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index ab4f4f377..f286d139f 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -46,6 +46,7 @@ IdString RTLIL::ID::Y;
 IdString RTLIL::ID::keep;
 IdString RTLIL::ID::whitebox;
 IdString RTLIL::ID::blackbox;
+dict<std::string, std::string> RTLIL::constpad;
 
 RTLIL::Const::Const()
 {
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index e5b24cc02..6251d265d 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -377,6 +377,8 @@ namespace RTLIL
 		extern IdString blackbox;
 	};
 
+	extern dict<std::string, std::string> constpad;
+
 	static inline std::string escape_id(std::string str) {
 		if (str.size() > 0 && str[0] != '\\' && str[0] != '$')
 			return "\\" + str;
diff --git a/kernel/yosys.cc b/kernel/yosys.cc
index 5018a4888..6c8427c19 100644
--- a/kernel/yosys.cc
+++ b/kernel/yosys.cc
@@ -524,6 +524,15 @@ 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.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; "\
+		"&mfs";
+
 	Pass::init_register();
 	yosys_design = new RTLIL::Design;
 	yosys_celltypes.setup();
-- 
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