diff options
| -rw-r--r-- | common/timing.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/common/timing.cc b/common/timing.cc index f6c5f001..d37a0f59 100644 --- a/common/timing.cc +++ b/common/timing.cc @@ -238,7 +238,7 @@ void timing_analysis(Context *ctx, bool print_histogram, bool print_path) delay_t default_slack = delay_t(1.0e12 / ctx->target_freq); log_info("estimated Fmax = %.2f MHz\n", 1e6 / (default_slack - min_slack)); - if (print_histogram) { + if (print_histogram && slack_histogram.size() > 0) { constexpr unsigned num_bins = 20; unsigned bar_width = 60; auto min_slack = slack_histogram.begin()->first; |