diff options
| -rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 4 |
1 files 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)"); |