diff options
Diffstat (limited to 'techlibs/xilinx/synth_xilinx.cc')
| -rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 10aa7be5f..af9f21756 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -108,7 +108,7 @@ struct SynthXilinxPass : public ScriptPass log(" flatten design before synthesis\n"); log("\n"); log(" -dff\n"); - log(" enable sequential synthesis with 'abc9'\n"); + log(" run 'abc9' with -dff option\n"); log("\n"); log(" -retime\n"); log(" run 'abc' with -dff option\n"); @@ -559,8 +559,8 @@ struct SynthXilinxPass : public ScriptPass abc9_opts += " -lut +/xilinx/abc9_xc7_nowide.lut"; else abc9_opts += " -lut +/xilinx/abc9_xc7.lut"; - if (!dff_mode) - abc9_opts += " -keepff"; + if (dff_mode) + abc9_opts += " -dff"; run("abc9" + abc9_opts); run("techmap -map +/xilinx/abc9_unmap.v"); } |