PR tree-optimization/30322

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

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+2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
+
+       PR tree-optimization/30322
+       * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
+       (cand_value_at): Return the value as aff_tree.
+       (may_eliminate_iv): Convert the bound from aff_tree to tree.
+       * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
+       aff_combination_mult): New functions.
+       (aff_combination_add): Use aff_combination_add_cst.
+       (aff_combination_convert): Allow conversions to a wider type.
+       (tree_to_aff_combination): Handle BIT_NOT_EXPR.
+       * tree-affine.h (aff_combination_mult): Declare.
+
 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
 
        * doc/tm.texi: Update documentation to reflect reality of exec