1 files changed, 24 insertions, 2 deletions

diff --git a/passes/proc/proc.cc b/passes/proc/proc.cc
index f20a167b4..d7aac57b6 100644
--- a/passes/proc/proc.cc
+++ b/passes/proc/proc.cc
@@ -1,7 +1,7 @@
 /*
  *  yosys -- Yosys Open SYnthesis Suite
  *
- *  Copyright (C) 2012  Clifford Wolf <clifford@clifford.at>
+ *  Copyright (C) 2012  Claire Xenia Wolf <claire@yosyshq.com>
  *
  *  Permission to use, copy, modify, and/or distribute this software for any
  *  purpose with or without fee is hereby granted, provided that the above
@@ -43,13 +43,18 @@ struct ProcPass : public Pass {
 		log("    proc_mux\n");
 		log("    proc_dlatch\n");
 		log("    proc_dff\n");
+		log("    proc_memwr\n");
 		log("    proc_clean\n");
+		log("    opt_expr -keepdc\n");
 		log("\n");
 		log("This replaces the processes in the design with multiplexers,\n");
 		log("flip-flops and latches.\n");
 		log("\n");
 		log("The following options are supported:\n");
 		log("\n");
+		log("    -nomux\n");
+		log("        Will omit the proc_mux pass.\n");
+		log("\n");
 		log("    -global_arst [!]<netname>\n");
 		log("        This option is passed through to proc_arst.\n");
 		log("\n");
@@ -57,11 +62,16 @@ struct ProcPass : public Pass {
 		log("        This option is passed through to proc_mux. proc_rmdead is not\n");
 		log("        executed in -ifx mode.\n");
 		log("\n");
+		log("    -noopt\n");
+		log("        Will omit the opt_expr pass.\n");
+		log("\n");
 	}
 	void execute(std::vector<std::string> args, RTLIL::Design *design) override
 	{
 		std::string global_arst;
 		bool ifxmode = false;
+		bool nomux = false;
+		bool noopt = false;
 
 		log_header(design, "Executing PROC pass (convert processes to netlists).\n");
 		log_push();
@@ -69,6 +79,10 @@ struct ProcPass : public Pass {
 		size_t argidx;
 		for (argidx = 1; argidx < args.size(); argidx++)
 		{
+			if (args[argidx] == "-nomux") {
+				nomux = true;
+				continue;
+			}
 			if (args[argidx] == "-global_arst" && argidx+1 < args.size()) {
 				global_arst = args[++argidx];
 				continue;
@@ -77,6 +91,10 @@ struct ProcPass : public Pass {
 				ifxmode = true;
 				continue;
 			}
+			if (args[argidx] == "-noopt") {
+				noopt = true;
+				continue;
+			}
 			break;
 		}
 		extra_args(args, argidx, design);
@@ -90,10 +108,14 @@ struct ProcPass : public Pass {
 			Pass::call(design, "proc_arst");
 		else
 			Pass::call(design, "proc_arst -global_arst " + global_arst);
-		Pass::call(design, ifxmode ? "proc_mux -ifx" : "proc_mux");
+		if (!nomux)
+			Pass::call(design, ifxmode ? "proc_mux -ifx" : "proc_mux");
 		Pass::call(design, "proc_dlatch");
 		Pass::call(design, "proc_dff");
+		Pass::call(design, "proc_memwr");
 		Pass::call(design, "proc_clean");
+		if (!noopt)
+			Pass::call(design, "opt_expr -keepdc");
 
 		log_pop();
 	}