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r143920 - in /branches/alias-improvements/gcc: ...


Author: rguenth
Date: Wed Feb  4 10:37:13 2009
New Revision: 143920

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143920
Log:
2009-02-04  Richard Guenther  <rguenther@suse.de>

	* gimple.h (struct gimple_statement_base): Replace
	references_memory_p member with padding.
	(gimple_references_memory_p): Alias to gimple_vuse.
	(gimple_set_references_memory): Remove.
	* tree-flow-inline.h (op_iter_init_phidef): Use NULL_DEF_OPERAND_P.
	(first_imm_use_stmt): Use NULL.
	* tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
	Simplify test for memory referencing statement.
	(get_val_for): Handle &a[i_1] by bailing out.
	(loop_niter_by_eval): Handle get_va_for bailing out.
	* tree-ssa-operands.c (append_vdef): Add back var parameter.
	(append_vuse): Likewise.
	(add_virtual_operand): Adjust function comment.  Do not
	set references_memory.
	(gimple_add_to_addresses_taken): Adjust function comment.
	(get_indirect_ref_operands): Do not set references_memory.
	(get_tmr_operands): Likewise.
	(maybe_add_call_vops): Likewise.
	(build_ssa_operands): Likewise.
	* tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
	(NULL_DEF_OPERAND_P): Make of type def_operand_p.

Modified:
    branches/alias-improvements/gcc/ChangeLog.alias
    branches/alias-improvements/gcc/gimple.h
    branches/alias-improvements/gcc/tree-flow-inline.h
    branches/alias-improvements/gcc/tree-ssa-loop-niter.c
    branches/alias-improvements/gcc/tree-ssa-operands.c
    branches/alias-improvements/gcc/tree-ssa-operands.h


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