diff options
Diffstat (limited to 'gcc/cfgrtl.c')
| -rw-r--r-- | gcc/cfgrtl.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c index 5bf33bc0795..a4f7006d392 100644 --- a/gcc/cfgrtl.c +++ b/gcc/cfgrtl.c @@ -56,6 +56,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include "toplev.h" #include "tm_p.h" #include "obstack.h" +#include "insn-config.h" /* Stubs in case we don't have a return insn. */ #ifndef HAVE_return @@ -546,6 +547,15 @@ split_block (bb, insn) propagate_block (new_bb, new_bb->global_live_at_start, NULL, NULL, 0); COPY_REG_SET (bb->global_live_at_end, new_bb->global_live_at_start); +#ifdef HAVE_conditional_execution + /* In the presence of conditional execution we are not able to update + liveness precisely. */ + if (reload_completed) + { + bb->flags |= BB_DIRTY; + new_bb->flags |= BB_DIRTY; + } +#endif } return new_edge; |