diff options
Diffstat (limited to 'gcc/bb-reorder.c')
| -rw-r--r-- | gcc/bb-reorder.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/gcc/bb-reorder.c b/gcc/bb-reorder.c index 5434e676813..8ad50e1babf 100644 --- a/gcc/bb-reorder.c +++ b/gcc/bb-reorder.c @@ -102,14 +102,11 @@ static void make_reorder_chain () { basic_block prev = NULL; - int nbb_m1 = n_basic_blocks - 1; - basic_block next; + basic_block next, bb; /* Loop until we've placed every block. */ do { - int i; - next = NULL; /* Find the next unplaced block. */ @@ -119,12 +116,13 @@ make_reorder_chain () remove from the list as we place. The head of that list is what we're looking for here. */ - for (i = 0; i <= nbb_m1 && !next; ++i) - { - basic_block bb = BASIC_BLOCK (i); - if (! RBI (bb)->visited) + FOR_EACH_BB (bb) + if (! RBI (bb)->visited) + { next = bb; - } + break; + } + if (next) prev = make_reorder_chain_1 (next, prev); } @@ -164,7 +162,7 @@ make_reorder_chain_1 (bb, prev) } else { - if (bb->index != 0) + if (bb->prev_bb != ENTRY_BLOCK_PTR) abort (); } RBI (bb)->visited = 1; |