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r144528 - in /branches/alias-improvements/gcc: ...


Author: rguenth
Date: Sun Mar  1 18:44:58 2009
New Revision: 144528

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=144528
Log:
2009-03-01  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (process_constraint): Deal with
	&ANYTHING on the lhs, reject all other ADDRESSOF constraints
	on the lhs.
	(get_constraint_for_component_ref): Assert that we don't get
	ADDRESSOF constraints from the base of the reference.
	Properly generate UNKNOWN_OFFSET for DEREF if needed.
	(do_structure_copy): Remove special casings, treat &ANYTHING
	on the lhs like DEREF.

Modified:
    branches/alias-improvements/gcc/ChangeLog.alias
    branches/alias-improvements/gcc/tree-ssa-structalias.c


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