diff options
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -1,7 +1,7 @@ /* Common subexpression elimination for GNU compiler. Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998 - 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 - Free Software Foundation, Inc. + 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, + 2011 Free Software Foundation, Inc. This file is part of GCC. @@ -6192,7 +6192,9 @@ cse_find_path (basic_block first_bb, struct cse_basic_block_data *data, else e = NULL; - if (e && e->dest != EXIT_BLOCK_PTR + if (e + && (e->flags & EDGE_ABNORMAL) == 0 + && e->dest != EXIT_BLOCK_PTR && single_pred_p (e->dest) /* Avoid visiting basic blocks twice. The large comment above explains why this can happen. */ |