r123664 - in /trunk/gcc: ChangeLog fold-const.c...

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Sun Apr  8 23:12:21 2007
New Revision: 123664

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123664
Log:
	* tree.h (maybe_fold_offset_to_component_ref): Declare.
	* tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
	* fold-const.c (fold_unary): Use it.

	* gcc.dg/tree-ssa/foldaddr-2.c: New file.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/foldaddr-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ccp.c
    trunk/gcc/tree.h