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Sim::findLogicConstants init const func outputs

This commit is contained in:
James Cherry 2021-07-08 10:42:56 -07:00
parent b9116bd56d
commit be0d38e382
1 changed files with 8 additions and 7 deletions
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15
search/Sim.cc
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@ -566,8 +566,9 @@ void
Sim::findLogicConstants()
{
clear();
enqueueConstantPinInputs();
ensureConstantFuncPins();
setConstFuncPins();
enqueueConstantPinInputs();
propagateConstants(true);
valid_ = true;
}
@ -942,14 +943,14 @@ Sim::evalInstance(const Instance *inst,
}
}
else {
Sequential *sequential = nullptr;
if (thru_sequentials) {
LibertyPort *expr_port = expr->port();
if (expr_port)
sequential = cell->outputPortSequential(expr_port);
}
LibertyPort *expr_port = expr->port();
Sequential *sequential = (thru_sequentials && expr_port)
? sequential = cell->outputPortSequential(expr_port)
: nullptr;
if (sequential) {
value = evalExpr(sequential->data(), inst);
if (expr_port == sequential->outputInv())
value = logicNot(value);
debugPrint(debug_, "sim", 2, " %s seq %s = %c",
port->name(),
expr->asString(),