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re PR tree-optimization/54619 (GCC aborts during compilation with '-O2 -mips16')

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2012-11-15  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/54619
	* tree-ssa-loop-ivopts.c (get_use_type): New function.
	(get_computation_at): Use get_use_type.
	(get_computation_cost_at): Declare and set mem_mode.  Use mem_mode.

From-SVN: r193537
This commit is contained in:
Tom de Vries 2012-11-15 16:49:45 +00:00 • committed by Tom de Vries
parent f0e10e243e
commit 0c604a61a3
2 changed files with 35 additions and 3 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2012-11-15 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/54619
* tree-ssa-loop-ivopts.c (get_use_type): New function.
(get_computation_at): Use get_use_type.
(get_computation_cost_at): Declare and set mem_mode. Use mem_mode.
2012-11-15 Jakub Jelinek <jakub@redhat.com>
* asan.c (report_error_func): Set DECL_IGNORED_P, don't touch

31
gcc/tree-ssa-loop-ivopts.c
View file

@ -3009,6 +3009,28 @@ get_computation_aff (struct loop *loop,
return true;
}
/* Return the type of USE. */
static tree
get_use_type (struct iv_use *use)
{
tree base_type = TREE_TYPE (use->iv->base);
tree type;
if (use->type == USE_ADDRESS)
{
/* The base_type may be a void pointer. Create a pointer type based on
the mem_ref instead. */
type = build_pointer_type (TREE_TYPE (*use->op_p));
gcc_assert (TYPE_ADDR_SPACE (TREE_TYPE (type))
== TYPE_ADDR_SPACE (TREE_TYPE (base_type)));
}
else
type = base_type;
return type;
}
/* Determines the expression by that USE is expressed from induction variable
CAND at statement AT in LOOP. The computation is unshared. */
@ -3017,7 +3039,7 @@ get_computation_at (struct loop *loop,
struct iv_use *use, struct iv_cand *cand, gimple at)
{
aff_tree aff;
tree type = TREE_TYPE (use->iv->base);
tree type = get_use_type (use);
if (!get_computation_aff (loop, use, cand, at, &aff))
return NULL_TREE;
@ -3934,6 +3956,9 @@ get_computation_cost_at (struct ivopts_data *data,
comp_cost cost;
double_int rat;
bool speed = optimize_bb_for_speed_p (gimple_bb (at));
enum machine_mode mem_mode = (address_p
? TYPE_MODE (TREE_TYPE (*use->op_p))
: VOIDmode);
*depends_on = NULL;
@ -4041,7 +4066,7 @@ get_computation_cost_at (struct ivopts_data *data,
else if (address_p
&& !POINTER_TYPE_P (ctype)
&& multiplier_allowed_in_address_p
(ratio, TYPE_MODE (TREE_TYPE (utype)),
(ratio, mem_mode,
TYPE_ADDR_SPACE (TREE_TYPE (utype))))
{
cbase
@ -4085,7 +4110,7 @@ get_computation_cost_at (struct ivopts_data *data,
return add_costs (cost,
get_address_cost (symbol_present, var_present,
offset, ratio, cstepi,
TYPE_MODE (TREE_TYPE (utype)),
mem_mode,
TYPE_ADDR_SPACE (TREE_TYPE (utype)),
speed, stmt_is_after_inc,
can_autoinc));