r112502 - in /trunk/gcc: ChangeLog tree-ssa-loo...

[spop@gcc.gnu.org]

Author: spop
Date: Wed Mar 29 17:20:24 2006
New Revision: 112502

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=112502
Log:
	PR tree-optimization/26859
	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
	division by zero.
	(convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
	for the step after fold_convert.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-loop-niter.c