diff options
Diffstat (limited to 'gcc/cfganal.c')
| -rw-r--r-- | gcc/cfganal.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/gcc/cfganal.c b/gcc/cfganal.c index 7aeef93accd..3831c5f4768 100644 --- a/gcc/cfganal.c +++ b/gcc/cfganal.c @@ -1,6 +1,6 @@ /* Control flow graph analysis code for GNU compiler. Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000, 2001 Free Software Foundation, Inc. + 1999, 2000, 2001, 2003 Free Software Foundation, Inc. This file is part of GCC. @@ -223,10 +223,14 @@ 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. */ @@ -320,10 +324,11 @@ flow_call_edges_add (blocks) for (e = bb->succ; e; e = e->succ_next) if (e->dest == EXIT_BLOCK_PTR) - break; - - insert_insn_on_edge (gen_rtx_USE (VOIDmode, const0_rtx), e); - commit_edge_insertions (); + { + insert_insn_on_edge (gen_rtx_USE (VOIDmode, const0_rtx), e); + commit_edge_insertions (); + break; + } } } |