From 7f964859ec99500e471853f5914b6e5b7c35a031 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Mon, 8 Jul 2019 19:23:24 -0700 Subject: [PATCH] synth_xilinx to call "synth -run coarse" with "-keepdc" --- techlibs/xilinx/synth_xilinx.cc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index b404dc8e7..15a37a439 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -240,9 +240,9 @@ struct SynthXilinxPass : public ScriptPass if (check_label("coarse")) { if (help_mode) - run("synth -run coarse [-flatten]", "(with '-flatten')"); + run("synth -keepdc -run coarse [-flatten]", "(with '-flatten')"); else - run("synth -run coarse" + std::string(flatten ? "" : " -flatten"), "(with '-flatten')"); + run("synth -keepdc -run coarse" + std::string(flatten ? "" : " -flatten"), "(with '-flatten')"); if (widemux > 0 || help_mode) run("muxpack", " ('-widemux' only)"); -- 2.30.2