diff options
Diffstat (limited to 'gcc/bb-reorder.c')
| -rw-r--r-- | gcc/bb-reorder.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/gcc/bb-reorder.c b/gcc/bb-reorder.c index 3b7278f2be1..4dad298fe59 100644 --- a/gcc/bb-reorder.c +++ b/gcc/bb-reorder.c @@ -115,6 +115,8 @@ #include "bb-reorder.h" #include "except.h" #include "fibonacci_heap.h" +#include "stringpool.h" +#include "attribs.h" /* The number of rounds. In most cases there will only be 4 rounds, but when partitioning hot and cold basic blocks into separate sections of @@ -1665,6 +1667,12 @@ find_rarely_executed_basic_blocks_and_crossing_edges (void) &bbs_in_hot_partition); if (cold_bb_count) sanitize_hot_paths (false, cold_bb_count, &bbs_in_hot_partition); + + hash_set <basic_block> set; + find_bbs_reachable_by_hot_paths (&set); + FOR_EACH_BB_FN (bb, cfun) + if (!set.contains (bb)) + BB_SET_PARTITION (bb, BB_COLD_PARTITION); } /* The format of .gcc_except_table does not allow landing pads to @@ -2898,7 +2906,8 @@ pass_partition_blocks::execute (function *fun) crossing_edges = find_rarely_executed_basic_blocks_and_crossing_edges (); if (!crossing_edges.exists ()) - return 0; + /* Make sure to process deferred rescans and clear changeable df flags. */ + return TODO_df_finish; crtl->has_bb_partition = true; @@ -2964,7 +2973,8 @@ pass_partition_blocks::execute (function *fun) df_analyze (); } - return 0; + /* Make sure to process deferred rescans and clear changeable df flags. */ + return TODO_df_finish; } } // anon namespace |