From: Eddie Hung <eddie@fpgeh.com>
Date: Thu, 11 Jul 2019 16:58:00 +0000 (-0700)
Subject: Error out if abc9 not called with -lut or -luts
X-Git-Tag: working-ls180~881^2^2~260
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=237d8651a5b91bf4fa1de69d0930fdcbba049e40;p=yosys.git

Error out if abc9 not called with -lut or -luts
---

diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 53b0b8bbe..b9eb71cf1 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -999,6 +999,9 @@ struct Abc9Pass : public Pass {
 		}
 		extra_args(args, argidx, design);
 
+		if (lut_costs.empty() && lut_file.empty())
+			log_cmd_error("abc9 must be called with '-lut' or '-luts'\n");
+
 		for (auto mod : design->selected_modules())
 		{
 			if (mod->attributes.count("\\abc_box_id"))