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Merge pull request #1709 from rqou/coolrunner2_counter

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Improve CoolRunner-II optimization by using extract_counter pass
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Claire Wolf 2020-02-27 19:05:56 +01:00 • committed by GitHub
commit ab8826ae36
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4 changed files with 519 additions and 97 deletions
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techlibs/coolrunner2/synth_coolrunner2.cc
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@ -143,6 +143,9 @@ struct SynthCoolrunner2Pass : public ScriptPass
if (check_label("fine"))
{
run("extract_counter -dir up -allow_arst no");
run("techmap -map +/coolrunner2/cells_counter_map.v");
run("clean");
run("opt -fast -full");
run("techmap -map +/techmap.v -map +/coolrunner2/cells_latch.v");
run("opt -fast");