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Add $_NMUX_, add "abc -g cmos", add proper cmos cell costs

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-08-06 04:47:55 +02:00
parent 44a9dcbbbf
commit 023086bd46
19 changed files with 174 additions and 42 deletions
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7
kernel/consteval.h
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@ -145,7 +145,7 @@ struct ConstEval
if (cell->hasPort("\\B"))
sig_b = cell->getPort("\\B");
if (cell->type == "$mux" || cell->type == "$pmux" || cell->type == "$_MUX_")
if (cell->type.in("$mux", "$pmux", "$_MUX_", "$_NMUX_"))
{
std::vector<RTLIL::SigSpec> y_candidates;
int count_maybe_set_s_bits = 0;
@ -175,7 +175,10 @@ struct ConstEval
for (auto &yc : y_candidates) {
if (!eval(yc, undef, cell))
return false;
y_values.push_back(yc.as_const());
if (cell->type == "$_NMUX_")
y_values.push_back(RTLIL::const_not(yc.as_const(), Const(), false, false, GetSize(yc)));
else
y_values.push_back(yc.as_const());
}
if (y_values.size() > 1)