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Added additional gate types: $_NAND_ $_NOR_ $_XNOR_ $_AOI3_ $_OAI3_ $_AOI4_ $_OAI4_

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This commit is contained in:
Clifford Wolf 2014-08-16 18:18:30 +02:00
parent 56a30cf42c
commit 47c2637a96
8 changed files with 399 additions and 48 deletions
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17
kernel/consteval.h
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@ -156,11 +156,26 @@ struct ConstEval
}
else
{
RTLIL::SigSpec sig_c, sig_d;
if (cell->type.in("$_AOI3_", "$_OAI3_", "$_AOI4_", "$_OAI4_")) {
if (cell->hasPort("\\C"))
sig_c = cell->getPort("\\C");
if (cell->hasPort("\\D"))
sig_d = cell->getPort("\\D");
}
if (sig_a.size() > 0 && !eval(sig_a, undef, cell))
return false;
if (sig_b.size() > 0 && !eval(sig_b, undef, cell))
return false;
set(sig_y, CellTypes::eval(cell, sig_a.as_const(), sig_b.as_const()));
if (sig_c.size() > 0 && !eval(sig_c, undef, cell))
return false;
if (sig_d.size() > 0 && !eval(sig_d, undef, cell))
return false;
set(sig_y, CellTypes::eval(cell, sig_a.as_const(), sig_b.as_const(),
sig_c.as_const(), sig_d.as_const()));
}
return true;