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aiger2: Use REDUCE for reduction ops

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This commit is contained in:
Martin Povišer 2024-09-16 17:25:17 +02:00
parent 6c1fa45995
commit 1cfb9023c4
1 changed files with 11 additions and 11 deletions
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22
backends/aiger2/aiger.cc
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@ -262,21 +262,21 @@ struct Index {
} else if (cell->type.in(REDUCE_OPS, ID($logic_not))) {
SigSpec inport = cell->getPort(ID::A);
log_assert(inport.size() > 0); // TODO
Lit acc = visit(cursor, inport[0]);
for (int i = 1; i < inport.size(); i++) {
Lit l = visit(cursor, inport[i]);
if (cell->type == ID($reduce_and)) {
acc = AND(acc, l);
std::vector<Lit> lits;
for (int i = 0; i < inport.size(); i++) {
Lit lit = visit(cursor, inport[i]);
if (cell->type.in(ID($reduce_and), ID($reduce_xor), ID($reduce_xnor))) {
lits.push_back(lit);
} else if (cell->type.in(ID($reduce_or), ID($reduce_bool), ID($logic_not))) {
acc = OR(acc, l);
} else if (cell->type.in(ID($reduce_xor), ID($reduce_xnor))) {
acc = XOR(acc, l);
lits.push_back(NOT(lit));
} else {
log_abort();
}
}
if (!cell->type.in(ID($reduce_xnor), ID($logic_not)))
Lit acc = REDUCE(lits, cell->type.in(ID($reduce_xor), ID($reduce_xnor)));
if (!cell->type.in(ID($reduce_xnor), ID($reduce_or), ID($reduce_bool)))
return acc;
else
return NOT(acc);