From 908f34aafc3135c91b257f8cc2e66d49860138d2 Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Mon, 28 Aug 2017 19:52:06 +0200
Subject: [PATCH] Rename recover_reduce to extract_reduce, fix args handling

---
 passes/techmap/Makefile.inc                   |  2 +-
 .../{recover_reduce.cc => extract_reduce.cc}  | 31 ++++++++++++++-----
 2 files changed, 25 insertions(+), 8 deletions(-)
 rename passes/techmap/{recover_reduce.cc => extract_reduce.cc} (91%)

diff --git a/passes/techmap/Makefile.inc b/passes/techmap/Makefile.inc
index c2b918f00..3f8a6feb5 100644
--- a/passes/techmap/Makefile.inc
+++ b/passes/techmap/Makefile.inc
@@ -17,7 +17,7 @@ OBJS += passes/techmap/iopadmap.o
 OBJS += passes/techmap/hilomap.o
 OBJS += passes/techmap/extract.o
 OBJS += passes/techmap/extract_fa.o
-OBJS += passes/techmap/recover_reduce.o
+OBJS += passes/techmap/extract_reduce.o
 OBJS += passes/techmap/alumacc.o
 OBJS += passes/techmap/dff2dffe.o
 OBJS += passes/techmap/dffinit.o
diff --git a/passes/techmap/recover_reduce.cc b/passes/techmap/extract_reduce.cc
similarity index 91%
rename from passes/techmap/recover_reduce.cc
rename to passes/techmap/extract_reduce.cc
index bcc31e182..114015c23 100644
--- a/passes/techmap/recover_reduce.cc
+++ b/passes/techmap/extract_reduce.cc
@@ -23,19 +23,21 @@
 USING_YOSYS_NAMESPACE
 PRIVATE_NAMESPACE_BEGIN
 
-struct RecoverReducePass : public Pass {
+struct ExtractReducePass : public Pass
+{
 	enum GateType {
 		And,
 		Or,
 		Xor
 	};
 
-	RecoverReducePass() : Pass("recover_reduce", "converts gate chains into $reduce_* cells") { }
+	ExtractReducePass() : Pass("extract_reduce", "converts gate chains into $reduce_* cells") { }
+
 	virtual void help()
 	{
 		//   |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
 		log("\n");
-		log("    recover_reduce\n");
+		log("    extract_reduce [selection]\n");
 		log("\n");
 		log("converts gate chains into $reduce_* cells\n");
 		log("\n");
@@ -43,13 +45,26 @@ struct RecoverReducePass : public Pass {
 		log("with their corresponding $reduce_* cells. Because this command only operates on\n");
 		log("these cell types, it is recommended to map the design to only these cell types\n");
 		log("using the `abc -g` command. Note that, in some cases, it may be more effective\n");
-		log("to map the design to only $_AND_ cells, run recover_reduce, map the remaining\n");
-		log("parts of the design to AND/OR/XOR cells, and run recover_reduce a second time.\n");
+		log("to map the design to only $_AND_ cells, run extract_reduce, map the remaining\n");
+		log("parts of the design to AND/OR/XOR cells, and run extract_reduce a second time.\n");
 		log("\n");
 	}
+
 	virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
 	{
-		(void)args;
+		log_header(design, "Executing EXTRACT_REDUCE pass.\n");
+		log_push();
+
+		size_t argidx;
+		for (argidx = 1; argidx < args.size(); argidx++)
+		{
+			// if (args[argidx] == "-v") {
+			// 	verbose = true;
+			// 	continue;
+			// }
+			break;
+		}
+		extra_args(args, argidx, design);
 
 		for (auto module : design->selected_modules())
 		{
@@ -216,7 +231,9 @@ struct RecoverReducePass : public Pass {
 			for (auto cell : consumed_cells)
 				module->remove(cell);
 		}
+
+		log_pop();
 	}
-} RecoverReducePass;
+} ExtractReducePass;
 
 PRIVATE_NAMESPACE_END
-- 
2.30.2