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Merge pull request #740 from daveshah1/improve_dress

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Improve ABC netname preservation
This commit is contained in:
Clifford Wolf 2019-02-22 01:16:34 +01:00 • committed by GitHub
commit 344afdcd5f
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3 changed files with 65 additions and 34 deletions
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4
techlibs/ecp5/synth_ecp5.cc
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@ -268,9 +268,9 @@ struct SynthEcp5Pass : public ScriptPass
}
run("techmap -map +/ecp5/latches_map.v");
if (nomux)
run("abc -lut 4");
run("abc -lut 4 -dress");
else
run("abc -lut 4:7");
run("abc -lut 4:7 -dress");
run("clean");
}

2
techlibs/ice40/synth_ice40.cc
View file

@ -306,7 +306,7 @@ struct SynthIce40Pass : public ScriptPass
run("techmap -map +/gate2lut.v -D LUT_WIDTH=4", "(only if -noabc)");
}
if (!noabc) {
run("abc -lut 4", "(skip if -noabc)");
run("abc -dress -lut 4", "(skip if -noabc)");
}
run("clean");
if (relut || help_mode) {