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Use registered port class on mult18x18

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Ross Schlaikjer 2020-04-29 11:08:53 -04:00
parent 5e763b1afc
commit a4fa953740
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1 changed files with 5 additions and 3 deletions
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8
ecp5/arch.cc
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@ -940,10 +940,12 @@ TimingPortClass Arch::getPortTimingClass(const CellInfo *cell, IdString port, in
return TMG_CLOCK_INPUT;
std::string pname = port.str(this);
if (pname.size() > 1) {
if ((pname.front() == 'A' || pname.front() == 'B') && std::isdigit(pname.at(1)))
return TMG_COMB_INPUT;
if (pname.front() == 'A' && std::isdigit(pname.at(1)))
return cell->multInfo.is_in_a_registered ? TMG_REGISTER_INPUT : TMG_COMB_INPUT;
if (pname.front() == 'B' && std::isdigit(pname.at(1)))
return cell->multInfo.is_in_b_registered ? TMG_REGISTER_INPUT : TMG_COMB_INPUT;
if (pname.front() == 'P' && std::isdigit(pname.at(1)))
return TMG_COMB_OUTPUT;
return cell->multInfo.is_output_registered ? TMG_REGISTER_OUTPUT : TMG_COMB_OUTPUT;
}
return TMG_IGNORE;
} else if (cell->type == id_ALU54B) {