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gcc/gcc ChangeLog.tree-ssa toplev.c tree-dfa.c ...

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	tree-ssa-20020619-branch
Changes by:	2002-11-13 13:04:40

Modified files:
	gcc            : ChangeLog.tree-ssa toplev.c tree-dfa.c 
	                 tree-flow-inline.h tree-flow.h tree-ssa-ccp.c 
	gcc/testsuite  : ChangeLog.tree-ssa 
Added files:
	gcc/testsuite/gcc.c-torture/execute: 20021113-1.c 

Log message:
	* toplev.c (parse_options_and_default_flags): Enable SSA-CCP by
	default with optimization >= 1.
	* tree-dfa.c (find_refs_in_expr): Clobber '*.GLOBAL_VAR', not
	(collect_dfa_stats): Collect statistics on '*.GLOBAL_VAR'.
	(compute_may_aliases): Make sure that variable is an INDIRECT_REF.
	(may_alias_p): GLOBAL_VAR should alias INDIRECT_REFs.
	Only check addressability on VAR_DECLs.
	(find_may_aliases_for): Make sure argument is an INDIRECT_REF.
	* tree-flow-inline.h (indirect_var): Call DECL_P.
	(set_indirect_var): Call DECL_P.
	Create annotation if it doesn't exist.
	(create_indirect_ref): Move from tree-dfa.c.
	* tree-flow.h (create_indirect_ref): Declare.
	* tree-ssa-ccp.c (visit_phi_node): Avoid debugging dump from
	accessing uninitialized data.
	* tree-ssa.c (init_tree_ssa): Create an INDIRECT_REF node for
	* testsuite/gcc.c-torture/execute/20021113-1.c: New test.


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