diff options
| -rw-r--r-- | common/timing.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/common/timing.cc b/common/timing.cc index 73e48871..8ecea38e 100644 --- a/common/timing.cc +++ b/common/timing.cc @@ -237,10 +237,14 @@ struct Timing // Go forwards topographically to find the maximum arrival time and max path length for each net for (auto net : topographical_order) { + if (!net_data.count(net)) + continue; auto &nd_map = net_data.at(net); for (auto &startdomain : nd_map) { ClockEvent start_clk = startdomain.first; auto &nd = startdomain.second; + if (nd.false_startpoint) + continue; const auto net_arrival = nd.max_arrival; const auto net_length_plus_one = nd.max_path_length + 1; nd.min_remaining_budget = clk_period; @@ -282,6 +286,8 @@ struct Timing // Now go backwards topographically to determine the minimum path slack, and to distribute all path slack evenly // between all nets on the path for (auto net : boost::adaptors::reverse(topographical_order)) { + if (!net_data.count(net)) + continue; auto &nd_map = net_data.at(net); for (auto &startdomain : nd_map) { auto &nd = startdomain.second; @@ -399,7 +405,7 @@ struct Timing continue; // And find the fanin net with the latest arrival time - if (net_data.at(port.second.net).count(crit_pair.first.start)) { + if (net_data.count(port.second.net) && net_data.at(port.second.net).count(crit_pair.first.start)) { const auto net_arrival = net_data.at(port.second.net).at(crit_pair.first.start).max_arrival; if (net_arrival > max_arrival) { max_arrival = net_arrival; @@ -593,7 +599,7 @@ void timing_analysis(Context *ctx, bool print_histogram, bool print_fmax, bool p log_info(" Sink %s.%s\n", sink_cell->name.c_str(ctx), sink->port.c_str(ctx)); last_port = sink->port; } - + }; for (auto &clock : clock_reports) { |