diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cfganal.c | 10 |
2 files changed, 12 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 06387e8aaac..4063e789146 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-01-15 Josef Zlomek <zlomekj@suse.cz> + + * cfganal.c (set_edge_can_fallthru_flag): Clear the EDGE_CAN_FALLTHRU + flag before setting it. + 2003-01-15 Roger Sayle <roger@eyesopen.com> * c-semantics.c (genrtl_while_stmt): Improve initial RTL generation diff --git a/gcc/cfganal.c b/gcc/cfganal.c index a7878178fbd..325a64df1f8 100644 --- a/gcc/cfganal.c +++ b/gcc/cfganal.c @@ -225,10 +225,14 @@ set_edge_can_fallthru_flag () { edge e; - /* The FALLTHRU edge is also CAN_FALLTHRU edge. */ for (e = bb->succ; e; e = e->succ_next) - if (e->flags & EDGE_FALLTHRU) - e->flags |= EDGE_CAN_FALLTHRU; + { + e->flags &= ~EDGE_CAN_FALLTHRU; + + /* The FALLTHRU edge is also CAN_FALLTHRU edge. */ + if (e->flags & EDGE_FALLTHRU) + e->flags |= EDGE_CAN_FALLTHRU; + } /* If the BB ends with an invertable condjump all (2) edges are CAN_FALLTHRU edges. */ |