diff options
Diffstat (limited to 'techlibs/ice40')
| -rw-r--r-- | techlibs/ice40/synth_ice40.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index ed7a16c08..463c2063a 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -65,7 +65,7 @@ struct SynthIce40Pass : public ScriptPass log(" do not flatten design before synthesis\n"); log("\n"); log(" -retime\n"); - log(" run 'abc' with -dff option\n"); + log(" run 'abc' with '-dff -D 1' options\n"); log("\n"); log(" -nocarry\n"); log(" do not use SB_CARRY cells in output netlist\n"); @@ -316,7 +316,7 @@ struct SynthIce40Pass : public ScriptPass run("techmap -map +/techmap.v -map +/ice40/arith_map.v"); } if (retime || help_mode) - run(abc + " -dff", "(only if -retime)"); + run(abc + " -dff -D 1", "(only if -retime)"); run("ice40_opt"); } |