diff options
Diffstat (limited to 'gcc/cfglayout.c')
| -rw-r--r-- | gcc/cfglayout.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/gcc/cfglayout.c b/gcc/cfglayout.c index 6f62442..494fa7c 100644 --- a/gcc/cfglayout.c +++ b/gcc/cfglayout.c @@ -191,11 +191,10 @@ static void record_effective_endpoints () { rtx next_insn = get_insns (); - int i; + basic_block bb; - for (i = 0; i < n_basic_blocks; i++) + FOR_EACH_BB (bb) { - basic_block bb = BASIC_BLOCK (i); rtx end; if (PREV_INSN (bb->head) && next_insn != bb->head) @@ -597,11 +596,10 @@ verify_insn_chain () static void cleanup_unconditional_jumps () { - int i; - for (i = 0; i < n_basic_blocks; i++) - { - basic_block bb = BASIC_BLOCK (i); + basic_block bb; + FOR_EACH_BB (bb) + { if (!bb->succ) continue; if (bb->succ->flags & EDGE_FALLTHRU) @@ -609,12 +607,11 @@ cleanup_unconditional_jumps () if (!bb->succ->succ_next) { rtx insn; - if (GET_CODE (bb->head) != CODE_LABEL && forwarder_block_p (bb) && i) + if (GET_CODE (bb->head) != CODE_LABEL && forwarder_block_p (bb) + && bb->prev_bb != ENTRY_BLOCK_PTR) { basic_block prev = bb->prev_bb; - i--; - if (rtl_dump_file) fprintf (rtl_dump_file, "Removing forwarder BB %i\n", bb->index); |