r124242 - in /trunk/gcc: ChangeLog tree-ssa-for...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Fri Apr 27 22:50:04 2007
New Revision: 124242

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=124242
Log:
2007-04-27  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
	if we simplified anything.
	(tree_ssa_forward_propagate_single_use_vars): Defer overflow
	warnings until we did a simplification and the stmt was not
	marked as TREE_NO_WARNING.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c