From: Eddie Hung <eddie@fpgeh.com>
Date: Thu, 6 Feb 2020 16:46:11 +0000 (-0800)
Subject: synth: only techmap cmp2{lut,lcu} if -lut
X-Git-Tag: working-ls180~695^2~2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=34c9b83854a09bb90e8b880774b58d91d7ed8ae7;p=yosys.git

synth: only techmap cmp2{lut,lcu} if -lut
---

diff --git a/techlibs/common/synth.cc b/techlibs/common/synth.cc
index 513702357..d6dffdd7f 100644
--- a/techlibs/common/synth.cc
+++ b/techlibs/common/synth.cc
@@ -226,7 +226,7 @@ struct SynthPass : public ScriptPass
 			run("opt_clean");
 			if (help_mode)
 				run("techmap -map +/cmp2lut.v -map +/cmp2lcu.v", " (if -lut)");
-			else
+			else if (lut)
 				run(stringf("techmap -map +/cmp2lut.v -map +/cmp2lcu.v -D LUT_WIDTH=%d", lut));
 			if (!noalumacc)
 				run("alumacc", "  (unless -noalumacc)");