r137859 - in /trunk/gcc: ChangeLog testsuite/gc...

[dberlin@gcc.gnu.org]

Author: dberlin
Date: Tue Jul 15 23:50:52 2008
New Revision: 137859

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=137859
Log:
2008-07-15  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
	* tree-ssa-pre.c (pre_expr_eq): Ditto
	(get_constant_for_value_id): Take a type as an argument.
	(fully_constant_expression): Pass in type.
	(find_or_generate_expression): Short circuit constant case.
	(create_expression_by_pieces): Remove special casing of
	pointer_plus.
	(do_regular_insertion): Short circuit constant case.
	(do_partial_partial_insertion): Ditto.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/gcc.c-torture/compile/20080704-1.c
    trunk/gcc/tree-ssa-pre.c
    trunk/gcc/tree-ssa-sccvn.c