diff options
Diffstat (limited to 'techlibs/xilinx/synth_xilinx.cc')
| -rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 970196de9..0adec57a2 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -357,11 +357,9 @@ struct SynthXilinxPass : public ScriptPass run("opt_expr"); run("opt_clean"); run("check"); - run("opt"); + run("opt -nodffe -nosdff"); run("fsm"); run("opt"); - run("opt_dff"); - run("opt"); if (help_mode) run("wreduce [-keepdc]", "(option for '-widemux')"); else |