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Bugfix for when e.g. PLL LOCK drives longest path

This commit is contained in:
Clifford Wolf 2016-05-16 15:18:25 +02:00
parent 1b7253ade2
commit 4fbc8d20b6
1 changed files with 13 additions and 9 deletions
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22
icetime/icetime.cc
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@ -860,19 +860,23 @@ struct TimingAnalysis
net_sym.clear();
}
auto &driver_cell = net_driver.at(n).first;
auto &driver_port = net_driver.at(n).second;
auto &driver_type = netlist_cell_types.at(driver_cell);
std::string netprop = outnetsym == n ? "" : stringf("\"net\": \"%s\", ", outnetsym.c_str());
json_lines.push_back(stringf(" { %s\"hwnet\": \"%s\", \"cell\": \"%s\", \"cell_type\": \"%s\", \"cell_in_port\": \"[clk]\", \"cell_out_port\": \"%s\", \"delay_ns\": %.3f },",
netprop.c_str(), n.c_str(), driver_cell.c_str(), driver_type.c_str(), driver_port.c_str(), calc_net_max_path_delay(n)));
rpt_lines.push_back(stringf(" %s (%s) [clk] -> %s: %.3f ns", driver_cell.c_str(),
driver_type.c_str(), driver_port.c_str(), calc_net_max_path_delay(n)));
if (net_driver.count(n)) {
auto &driver_cell = net_driver.at(n).first;
auto &driver_port = net_driver.at(n).second;
auto &driver_type = netlist_cell_types.at(driver_cell);
std::string netprop = outnetsym == n ? "" : stringf("\"net\": \"%s\", ", outnetsym.c_str());
json_lines.push_back(stringf(" { %s\"hwnet\": \"%s\", \"cell\": \"%s\", \"cell_type\": \"%s\", \"cell_in_port\": \"[clk]\", \"cell_out_port\": \"%s\", \"delay_ns\": %.3f },",
netprop.c_str(), n.c_str(), driver_cell.c_str(), driver_type.c_str(), driver_port.c_str(), calc_net_max_path_delay(n)));
rpt_lines.push_back(stringf(" %s (%s) [clk] -> %s: %.3f ns", driver_cell.c_str(),
driver_type.c_str(), driver_port.c_str(), calc_net_max_path_delay(n)));
} else {
rpt_lines.push_back(stringf(" no driver model at %s", n.c_str()));
}
break;
}
if (visited_nets.count(n)) {
rpt_lines.push_back(stringf("loop-start at %s", n.c_str()));
rpt_lines.push_back(stringf(" loop-start at %s", n.c_str()));
break;
}