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abc9: add flop boxes to basic $_DFF_P_ and $_DFF_N_ too

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This commit is contained in:
Eddie Hung 2020-04-16 10:24:02 -07:00
parent 7812a2959b
commit 48052ad813
7 changed files with 88 additions and 24 deletions
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19
passes/techmap/abc9.cc
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@ -314,23 +314,24 @@ struct Abc9Pass : public ScriptPass
}
}
run("design -stash $abc9_map");
run("design -load $abc9");
run("design -delete $abc9");
run("select -unset $abc9_flops");
run("techmap -wb -map %$abc9_map"); // techmap user design into submod + $_DFF_[NP]_
}
run("design -load $abc9");
run("design -delete $abc9");
run("select -unset $abc9_flops");
if (did_something) { // techmap user design into submod + $_DFF_[NP]_
run("techmap -wb -max_iter 1 -map %$abc9_map -map +/abc9_map.v");
run("design -delete $abc9_map");
run("setattr -mod -set whitebox 1 -set abc9_flop 1 -set abc9_box 1 *_$abc9_flop");
run("abc9_ops -prep_dff_unmap"); // implement $abc9_unmap design
}
else {
run("design -load $abc9");
run("design -delete $abc9");
run("select -unset $abc9_flops");
}
else
run("techmap -wb -max_iter 1 -map +/abc9_map.v");
}
}
if (check_label("pre")) {
run("read_verilog -icells -lib -specify +/abc9_model.v");
run("scc -set_attr abc9_scc_id {}");
if (help_mode)
run("abc9_ops -mark_scc -prep_delays -prep_xaiger [-dff]", "(option for -dff)");