diff options
Diffstat (limited to 'gcc/ipa-profile.cc')
| -rw-r--r-- | gcc/ipa-profile.cc | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/gcc/ipa-profile.cc b/gcc/ipa-profile.cc index 0863866..c8b8529 100644 --- a/gcc/ipa-profile.cc +++ b/gcc/ipa-profile.cc @@ -764,7 +764,8 @@ ipa_profile (void) int order_pos; bool something_changed = false; int i; - gcov_type overall_time = 0, cutoff = 0, cumulated = 0, overall_size = 0; + widest_int overall_time = 0, cumulated = 0; + gcov_type overall_size = 0; struct cgraph_node *n,*n2; int nindirect = 0, ncommon = 0, nunknown = 0, nuseless = 0, nconverted = 0; int nmismatch = 0, nimpossible = 0; @@ -775,37 +776,44 @@ ipa_profile (void) dump_histogram (dump_file, histogram); for (i = 0; i < (int)histogram.length (); i++) { - overall_time += histogram[i]->count * histogram[i]->time; + overall_time += ((widest_int)histogram[i]->count) * histogram[i]->time; + /* Watch for overflow. */ + gcc_assert (overall_time >= 0); overall_size += histogram[i]->size; } threshold = 0; - if (overall_time) + if (overall_time != 0) { gcc_assert (overall_size); - cutoff = (overall_time * param_hot_bb_count_ws_permille + 500) / 1000; + widest_int cutoff = ((overall_time * param_hot_bb_count_ws_permille + + 500) / 1000); + /* Watch for overflow. */ + gcc_assert (cutoff >= 0); for (i = 0; cumulated < cutoff; i++) { - cumulated += histogram[i]->count * histogram[i]->time; + cumulated += ((widest_int)histogram[i]->count) * histogram[i]->time; threshold = histogram[i]->count; } if (!threshold) threshold = 1; if (dump_file) { - gcov_type cumulated_time = 0, cumulated_size = 0; + widest_int cumulated_time = 0; + gcov_type cumulated_size = 0; for (i = 0; i < (int)histogram.length () && histogram[i]->count >= threshold; i++) { - cumulated_time += histogram[i]->count * histogram[i]->time; + cumulated_time += ((widest_int)histogram[i]->count) + * histogram[i]->time; cumulated_size += histogram[i]->size; } fprintf (dump_file, "Determined min count: %" PRId64 " Time:%3.2f%% Size:%3.2f%%\n", (int64_t)threshold, - cumulated_time * 100.0 / overall_time, + (cumulated_time * 10000 / overall_time).to_shwi () / 100.0, cumulated_size * 100.0 / overall_size); } |