diff options
Diffstat (limited to 'gcc/flow.c')
| -rw-r--r-- | gcc/flow.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/gcc/flow.c b/gcc/flow.c index 4f13e813759..a9f94a6201f 100644 --- a/gcc/flow.c +++ b/gcc/flow.c @@ -768,11 +768,24 @@ update_life_info_in_dirty_blocks (extent, prop_flags) sbitmap_zero (update_life_blocks); FOR_EACH_BB (bb) - if (bb->flags & BB_DIRTY) - { - SET_BIT (update_life_blocks, bb->index); - n++; - } + { + if (extent == UPDATE_LIFE_LOCAL) + { + if (bb->flags & BB_DIRTY) + { + SET_BIT (update_life_blocks, bb->index); + n++; + } + } + else + { + /* ??? Bootstrap with -march=pentium4 fails to terminate + with only a partial life update. */ + SET_BIT (update_life_blocks, bb->index); + if (bb->flags & BB_DIRTY) + n++; + } + } if (n) retval = update_life_info (update_life_blocks, extent, prop_flags); |