diff options
Diffstat (limited to 'gcc/cfgbuild.c')
| -rw-r--r-- | gcc/cfgbuild.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/cfgbuild.c b/gcc/cfgbuild.c index cb451efe4f2..6c4a67ac572 100644 --- a/gcc/cfgbuild.c +++ b/gcc/cfgbuild.c @@ -232,7 +232,10 @@ make_edges (basic_block min, basic_block max, int update_p) current_function_has_computed_jump = 0; /* If we are partitioning hot and cold basic blocks into separate - sections, we cannot assume there is no computed jump. */ + sections, we cannot assume there is no computed jump (partitioning + sometimes requires the use of indirect jumps; see comments about + partitioning at the top of bb-reorder.c:partition_hot_cold_basic_blocks + for complete details). */ if (flag_reorder_blocks_and_partition) current_function_has_computed_jump = 1; |