r116189 - in /trunk/gcc: ChangeLog tree-ssa-loo...

[rakdver@gcc.gnu.org]

Author: rakdver
Date: Wed Aug 16 21:14:11 2006
New Revision: 116189

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116189
Log:
	PR tree-optimization/28364
	* tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
	correctly.
	(fold_affine_expr): New function.
	(may_eliminate_iv): Use fold_affine_expr.


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