diff options
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 48 |
1 files changed, 36 insertions, 12 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 5e06476..bf25f83 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -4246,7 +4246,8 @@ tree_duplicate_sese_region (edge entry, edge exit, edge exit_copy; basic_block *doms; edge redirected; - int total_freq, entry_freq; + int total_freq = 0, entry_freq = 0; + gcov_type total_count = 0, entry_count = 0; if (!can_copy_bbs_p (region, n_region)) return false; @@ -4300,19 +4301,42 @@ tree_duplicate_sese_region (edge entry, edge exit, n_doms = get_dominated_by_region (CDI_DOMINATORS, region, n_region, doms); - total_freq = entry->dest->frequency; - entry_freq = EDGE_FREQUENCY (entry); - /* Fix up corner cases, to avoid division by zero or creation of negative - frequencies. */ - if (total_freq == 0) - total_freq = 1; - else if (entry_freq > total_freq) - entry_freq = total_freq; + if (entry->dest->count) + { + total_count = entry->dest->count; + entry_count = entry->count; + /* Fix up corner cases, to avoid division by zero or creation of negative + frequencies. */ + if (entry_count > total_count) + entry_count = total_count; + } + else + { + total_freq = entry->dest->frequency; + entry_freq = EDGE_FREQUENCY (entry); + /* Fix up corner cases, to avoid division by zero or creation of negative + frequencies. */ + if (total_freq == 0) + total_freq = 1; + else if (entry_freq > total_freq) + entry_freq = total_freq; + } copy_bbs (region, n_region, region_copy, &exit, 1, &exit_copy, loop); - scale_bbs_frequencies_int (region, n_region, total_freq - entry_freq, - total_freq); - scale_bbs_frequencies_int (region_copy, n_region, entry_freq, total_freq); + if (total_count) + { + scale_bbs_frequencies_gcov_type (region, n_region, + total_count - entry_count, + total_count); + scale_bbs_frequencies_gcov_type (region_copy, n_region, entry_count, + total_count); + } + else + { + scale_bbs_frequencies_int (region, n_region, total_freq - entry_freq, + total_freq); + scale_bbs_frequencies_int (region_copy, n_region, entry_freq, total_freq); + } if (copying_header) { |