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zinit to transform set/reset value of $_DFF_[NP][NP][01]_

This commit is contained in:
Eddie Hung 2019-12-11 12:17:01 -08:00
parent 3c5a9411b1
commit 4617aa8ccd
1 changed files with 14 additions and 0 deletions
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14
passes/techmap/zinit.cc
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@ -139,6 +139,20 @@ struct ZinitPass : public Pass {
cell->setPort(ID::D, sig_d);
cell->setPort(ID::Q, initwire);
/*if (cell->type.in(ID($_DFFSR_NNN_), ID($_DFFSR_NNP_), ID($_DFFSR_NPN_), ID($_DFFSR_NPP_),
ID($_DFFSR_PNN_), ID($_DFFSR_PNP_), ID($_DFFSR_PPN_), ID($_DFFSR_PPP_)))
{
// TODO: I think I need a $_DFFRS_* cell where R has priority over S...
std::swap(cell->connections_.at(ID(R)), cell->connections_.at(ID(S)));
}
else*/ if (cell->type.in(ID($_DFF_NN0_), ID($_DFF_NN1_), ID($_DFF_NP0_), ID($_DFF_NP1_),
ID($_DFF_PN0_), ID($_DFF_PN1_), ID($_DFF_PP0_), ID($_DFF_PP1_)))
{
std::string t = cell->type.str();
t[8] = (t[8] == '0' ? '1' : '0');
cell->type = t;
}
}
if (!design->selected_whole_module(module))