From 7a43be5e431f7518203b37bad2eb9ffb3b74add4 Mon Sep 17 00:00:00 2001 From: Pepijn de Vos Date: Thu, 5 Sep 2019 16:38:47 +0200 Subject: [PATCH] use singleton ground and vcc nets, apparently this makes pnr happier --- techlibs/gowin/synth_gowin.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc index 4d32f62d4..3581d050e 100644 --- a/techlibs/gowin/synth_gowin.cc +++ b/techlibs/gowin/synth_gowin.cc @@ -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"); -- 2.30.2