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tree-ssa-loop-ivopts.c (split_address_cost): Check depends_on. 

* tree-ssa-loop-ivopts.c (split_address_cost): Check depends_on.
	(get_computation_cost_at): Ditto.
	(determine_use_iv_cost_address): Pass NULL for arguments depends_on
	and inv_expr_id.

From-SVN: r229514
This commit is contained in:
Bin Cheng 2015-10-29 04:40:37 +00:00 committed by Bin Cheng
parent 3caa57fff1
commit 73eb5e9ee1
2 changed files with 15 additions and 5 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2015-10-29 Bin Cheng <bin.cheng@arm.com>
* tree-ssa-loop-ivopts.c (split_address_cost): Check depends_on.
(get_computation_cost_at): Ditto.
(determine_use_iv_cost_address): Pass NULL for arguments depends_on
and inv_expr_id.
2015-10-28 Tom de Vries <tom@codesourcery.com>
* tree-ssa-structalias.c (intra_create_variable_infos): Remove

13
gcc/tree-ssa-loop-ivopts.c
View File

@ -4328,7 +4328,9 @@ split_address_cost (struct ivopts_data *data,
*symbol_present = false;
*var_present = true;
fd_ivopts_data = data;
walk_tree (&addr, find_depends, depends_on, NULL);
if (depends_on)
walk_tree (&addr, find_depends, depends_on, NULL);
return new_cost (target_spill_cost[data->speed], 0);
}
@ -4616,7 +4618,8 @@ get_computation_cost_at (struct ivopts_data *data,
? TYPE_MODE (TREE_TYPE (*use->op_p))
: VOIDmode);
*depends_on = NULL;
if (depends_on)
*depends_on = NULL;
/* Only consider real candidates. */
if (!cand->iv)
@ -4908,9 +4911,9 @@ determine_use_iv_cost_address (struct ivopts_data *data,
sub_use && !infinite_cost_p (cost);
sub_use = sub_use->next)
{
sub_cost = get_computation_cost (data, sub_use, cand, true, &depends_on,
&can_autoinc, &inv_expr_id);
cost = add_costs (cost, sub_cost);
sub_cost = get_computation_cost (data, sub_use, cand, true, NULL,
&can_autoinc, NULL);
cost = add_costs (cost, sub_cost);
}
set_use_iv_cost (data, use, cand, cost, depends_on, NULL_TREE, ERROR_MARK,