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use singleton ground and vcc nets, apparently this makes pnr happier

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This commit is contained in:
Pepijn de Vos 2019-09-05 16:38:47 +02:00
parent 3eff2271d0
commit 7a43be5e43
1 changed files with 1 additions and 1 deletions
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2
techlibs/gowin/synth_gowin.cc
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@ -212,7 +212,7 @@ struct SynthGowinPass : public ScriptPass
{
run("techmap -map +/gowin/cells_map.v");
run("setundef -undriven -zero");
run("hilomap -hicell VCC V -locell GND G");
run("hilomap -singleton -hicell VCC V -locell GND G");
run("iopadmap -bits -inpad IBUF O:I -outpad OBUF I:O", "(unless -noiopads)");
run("dffinit -ff DFF Q INIT");
run("clean");