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sdf: Improve SDF output

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-10-24 10:43:18 +01:00
parent 4775930e49
commit 8343488bdf
1 changed files with 4 additions and 0 deletions
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4
common/sdf.cc
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@ -253,9 +253,13 @@ void Context::writeSDF(std::ostream &out) const
TimingPortClass cls = getPortTimingClass(ci, port.first, clockCount); TimingPortClass cls = getPortTimingClass(ci, port.first, clockCount);
if (cls == TMG_IGNORE) if (cls == TMG_IGNORE)
continue; continue;
if (port.second.net == nullptr)
continue; // Ignore disconnected ports
if (port.second.type != PORT_IN) { if (port.second.type != PORT_IN) {
// Add combinational paths to this output (or inout) // Add combinational paths to this output (or inout)
for (auto other : ci->ports) { for (auto other : ci->ports) {
if (other.second.net == nullptr)
continue;
if (other.second.type == PORT_OUT) if (other.second.type == PORT_OUT)
continue; continue;
DelayInfo dly; DelayInfo dly;