2004-06-17 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-pre.c: Update comments.
(val_expr_pair_eq): Factor code from here.
(expr_pred_trans_eq): and here.
(expressions_equal_p): To here.
(print_value_set): Print value for expression.
(phi_trans_lookup): Rename some variables.
(lookup): Ditto.
(value_exists_in_set_bitmap): Ditto.
(value_remove_from_set_bitmap): Ditto.
(value_insert_into_set_bitmap): Ditto.
From-SVN: r83290
