Add "stat -tech cmos"

Signed-off-by: Clifford Wolf <clifford@clifford.at>

1 files changed, 29 insertions, 2 deletions

diff --git a/passes/cmds/stat.cc b/passes/cmds/stat.cc
index 27c5fb60c..80b400e0c 100644
--- a/passes/cmds/stat.cc
+++ b/passes/cmds/stat.cc
@@ -223,6 +223,33 @@ struct statdata_t
 			log("\n");
 			log("   Estimated number of LCs: %10d\n", lc_cnt);
 		}
+
+		if (tech == "cmos")
+		{
+			int tran_cnt = 0;
+			bool tran_cnt_exact = true;
+
+			for (auto it : num_cells_by_type) {
+				auto ctype = it.first;
+				auto cnum = it.second;
+
+				if (ctype == "$_NOT_")
+					tran_cnt += 2*cnum;
+				else if (ctype.in("$_NAND_", "$_NOR_"))
+					tran_cnt += 4*cnum;
+				else if (ctype.in("$_AOI3_", "$_OAI3_"))
+					tran_cnt += 6*cnum;
+				else if (ctype.in("$_AOI4_", "$_OAI4_"))
+					tran_cnt += 8*cnum;
+				else if (ctype.in("$_DFF_P_", "$_DFF_N_"))
+					tran_cnt += 16*cnum;
+				else
+					tran_cnt_exact = false;
+			}
+
+			log("\n");
+			log("   Estimated number of transistors: %10d%s\n", tran_cnt, tran_cnt_exact ? "" : "+");
+		}
 	}
 };
 
@@ -286,7 +313,7 @@ struct StatPass : public Pass {
 		log("\n");
 		log("    -tech <technology>\n");
 		log("        print area estemate for the specified technology. Currently supported\n");
-		log("        values for <technology>: xilinx\n");
+		log("        values for <technology>: xilinx, cmos\n");
 		log("\n");
 		log("    -width\n");
 		log("        annotate internal cell types with their word width.\n");
@@ -330,7 +357,7 @@ struct StatPass : public Pass {
 		}
 		extra_args(args, argidx, design);
 
-		if (techname != "" && techname != "xilinx")
+		if (techname != "" && techname != "xilinx" && techname != "cmos")
 			log_cmd_error("Unsupported technology: '%s'\n", techname.c_str());
 
 		for (auto mod : design->selected_modules())