From 19b660ff6e8b493ff3de43ce59e393c56b9a6b3b Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Thu, 18 Apr 2019 23:07:16 -0700 Subject: Fix SB_DFF comb model --- techlibs/ice40/synth_ice40.cc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'techlibs/ice40/synth_ice40.cc') diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index 84abf7181..d5d354701 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -240,7 +240,7 @@ struct SynthIce40Pass : public ScriptPass { if (check_label("begin")) { - run("read_verilog -wb +/ice40/cells_sim.v"); + run("read_verilog -wb -D ABC_FLOPS +/ice40/cells_sim.v"); run(stringf("hierarchy -check %s", help_mode ? "-top " : top_opt.c_str())); run("proc"); } @@ -293,7 +293,7 @@ struct SynthIce40Pass : public ScriptPass run("techmap"); else run("techmap -map +/techmap.v -map +/ice40/arith_map.v"); - if (retime || help_mode) + if ((retime || help_mode) && abc != "abc9") run(abc + " -dff", "(only if -retime)"); run("ice40_opt"); } -- cgit v1.2.3