r148168 - in /branches/alias-export/gcc: alias-...

[abel@gcc.gnu.org]

Author: abel
Date: Thu Jun  4 13:53:04 2009
New Revision: 148168

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=148168
Log:
	* expr.c (expand_expr_real_1): When expanding TARGET_MEM_REF,
	do not set MEM_ORIG_EXPR if TMR_ORIGINAL has INDIRECT_REF as base.
	* tree-ssa-alias.c: Revert all changes in the oracle.
	* alias-export.c (handled_by_oracle_p): New.
	(alias_export_may_alias_p): Use it to filter trees that make oracle
	unhappy.

Modified:
    branches/alias-export/gcc/alias-export.c
    branches/alias-export/gcc/expr.c
    branches/alias-export/gcc/tree-ssa-alias.c