diff options
Diffstat (limited to 'gcc/postreload-gcse.c')
| -rw-r--r-- | gcc/postreload-gcse.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/postreload-gcse.c b/gcc/postreload-gcse.c index 8e26419..0ee50d8 100644 --- a/gcc/postreload-gcse.c +++ b/gcc/postreload-gcse.c @@ -1,5 +1,5 @@ /* Post reload partially redundant load elimination - Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 + Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010, 2011 Free Software Foundation, Inc. This file is part of GCC. @@ -912,10 +912,12 @@ get_avail_load_store_reg (rtx insn) static bool bb_has_well_behaved_predecessors (basic_block bb) { + unsigned int edge_count = EDGE_COUNT (bb->preds); edge pred; edge_iterator ei; - if (EDGE_COUNT (bb->preds) == 0) + if (edge_count == 0 + || (edge_count == 1 && (single_pred_edge (bb)->flags & EDGE_ABNORMAL))) return false; FOR_EACH_EDGE (pred, ei, bb->preds) |