diff options
Diffstat (limited to 'common/timing_opt.cc')
| -rw-r--r-- | common/timing_opt.cc | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/common/timing_opt.cc b/common/timing_opt.cc index 950cbbbd..300ca06f 100644 --- a/common/timing_opt.cc +++ b/common/timing_opt.cc @@ -90,7 +90,7 @@ class TimingOptimiser log_info(" Iteration %d...\n", i); get_criticalities(ctx, &net_crit); setup_delay_limits(); - auto crit_paths = find_crit_paths(0.98, 1000); + auto crit_paths = find_crit_paths(0.92, 1000); for (auto &path : crit_paths) optimise_path(path); #if 1 @@ -372,6 +372,9 @@ class TimingOptimiser TimingPortClass tpclass = ctx->getPortTimingClass(cell, port.first, ccount); if (tpclass != TMG_COMB_OUTPUT) continue; + bool is_path = ctx->getCellDelay(cell, fwd_cursor->port, port.first, combDelay); + if (!is_path) + continue; auto &crits = net_crit.at(pn->name).criticality; for (size_t i = 0; i < crits.size(); i++) { if (used_ports.count(&(pn->users.at(i)))) @@ -427,8 +430,11 @@ class TimingOptimiser } if (path_cells.size() < 3) { - log_info("Too few moveable cells; skipping path\n"); - log_break(); + if (ctx->debug) { + log_info("Too few moveable cells; skipping path\n"); + log_break(); + } + return; } IdString last_cell; |