2012-06-22 Bill Schmidt <wschmidt@linux.ibm.com>

	* double-int.c (double_int_multiple_of): New function.
	* double-int.h (double_int_multiple_of): New decl.
	* tree-ssa-loop-ivopts.c (add_cost, zero_cost): Remove undefs.
	(mbc_entry_hash): New forward decl.
	(mbc_entry_eq): Likewise.
	(zero_cost): Change to no_cost.
	(mult_costs): New static var.
	(cost_tables_exist): Likewise.
	(initialize_costs): New function.
	(finalize_costs): Likewise.
	(tree_ssa_iv_optimize_init): Call initialize_costs.
	(add_cost): Change to add_regs_cost; distinguish costs by speed.
	(multiply_regs_cost): New function.
	(add_const_cost): Likewise.
	(extend_or_trunc_reg_cost): Likewise.
	(negate_reg_cost): Likewise.
	(multiply_by_cost): Change to multiply_by_const_cost; distinguish
	costs by speed.
	(get_address_cost): Change add_cost to add_regs_cost; change
	multiply_by_cost to multiply_by_const_cost.
	(force_expr_to_var_cost): Change zero_cost to no_cost; change
	add_cost to add_regs_cost; change multiply_by_cost to
	multiply_by_const_cost.
	(split_cost): Change zero_cost to no_cost.
	(ptr_difference_cost): Likewise.
	(difference_cost): Change zero_cost to no_cost; change multiply_by_cost
	to multiply_by_const_cost.
	(get_computation_cost_at): Change add_cost to add_regs_cost; change
	multiply_by_cost to multiply_by_const_cost.
	(determine_use_iv_cost_generic): Change zero_cost to no_cost.
	(determine_iv_cost): Change add_cost to add_regs_cost.
	(iv_ca_new): Change zero_cost to no_cost.
	(tree_ssa_iv_optimize_finalize): Call finalize_costs.
	* tree-ssa-address.c (most_expensive_mult_to_index): Change
	multiply_by_cost to multiply_by_const_cost.
	* tree-flow.h (multiply_by_cost): Change to multiply_by_const_cost.
	(add_regs_cost): New decl.
	(multiply_regs_cost): Likewise.
	(add_const_cost): Likewise.
	(extend_or_trunc_reg_cost): Likewise.
	(negate_reg_cost): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@188891 138bc75d-0d04-0410-961f-82ee72b054a4

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