diff options
Diffstat (limited to 'gcc/ira-lives.c')
| -rw-r--r-- | gcc/ira-lives.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/ira-lives.c b/gcc/ira-lives.c index 853832e3c9f..109e3c4c9f3 100644 --- a/gcc/ira-lives.c +++ b/gcc/ira-lives.c @@ -1458,7 +1458,7 @@ remove_some_program_points_and_update_live_ranges (void) int *map; ira_object_t obj; ira_object_iterator oi; - live_range_t r; + live_range_t r, prev_r, next_r; sbitmap born_or_dead, born, dead; sbitmap_iterator sbi; bool born_p, dead_p, prev_born_p, prev_dead_p; @@ -1502,10 +1502,19 @@ remove_some_program_points_and_update_live_ranges (void) ira_max_point = n; FOR_EACH_OBJECT (obj, oi) - for (r = OBJECT_LIVE_RANGES (obj); r != NULL; r = r->next) + for (r = OBJECT_LIVE_RANGES (obj), prev_r = NULL; r != NULL; r = next_r) { + next_r = r->next; r->start = map[r->start]; r->finish = map[r->finish]; + if (prev_r == NULL || prev_r->start > r->finish + 1) + { + prev_r = r; + continue; + } + prev_r->start = r->start; + prev_r->next = next_r; + ira_finish_live_range (r); } ira_free (map); |