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No cell delay for clocked MULT18X18D

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Ross Schlaikjer
2020-04-30 11:09:22 -04:00
parent de6ddc470b
commit a1160068c8
1 changed files with 2 additions and 0 deletions
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2
ecp5/arch.cc
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@@ -852,6 +852,8 @@ bool Arch::getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort
} else if (cell->type == id_DP16KD) {
return false;
} else if (cell->type == id_MULT18X18D) {
if (cell->multInfo.is_clocked)
return false;
std::string fn = fromPort.str(this), tn = toPort.str(this);
if (fn.size() > 1 && (fn.front() == 'A' || fn.front() == 'B') && std::isdigit(fn.at(1))) {
if (tn.size() > 1 && tn.front() == 'P' && std::isdigit(tn.at(1)))