diff options
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index 03c3500..fcfdd18 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -1,6 +1,6 @@ /* Conditional constant propagation pass for the GNU compiler. - Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 - Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, + 2010 Free Software Foundation, Inc. Adapted from original RTL SSA-CCP by Daniel Berlin <dberlin@dberlin.org> Adapted to GIMPLE trees by Diego Novillo <dnovillo@redhat.com> @@ -558,6 +558,9 @@ likely_value (gimple stmt) has_constant_operand = true; } + if (has_constant_operand) + all_undefined_operands = false; + /* If the operation combines operands like COMPLEX_EXPR make sure to not mark the result UNDEFINED if only one part of the result is undefined. */ |