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tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.

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* tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
	(struct ivopts_data): Add regs_used field.
	(tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
	(ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
	instead of loop_data->regs_used;
	(free_loop_data): Do not free aux fields for loops.
	(tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
	and tree_ssa_iv_optimize_finalize.

From-SVN: r110813
This commit is contained in:
Zdenek Dvorak 2006-02-09 23:28:23 +01:00 • committed by Zdenek Dvorak
parent 88a6e5f4c9
commit 9a2ef6b848
2 changed files with 21 additions and 39 deletions
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11
gcc/ChangeLog
View file

@ -1,3 +1,14 @@
2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
(struct ivopts_data): Add regs_used field.
(tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
(ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
instead of loop_data->regs_used;
(free_loop_data): Do not free aux fields for loops.
(tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
and tree_ssa_iv_optimize_finalize.
2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.

49
gcc/tree-ssa-loop-ivopts.c
View file

@ -121,12 +121,6 @@ struct version_info
bool preserve_biv; /* For the original biv, whether to preserve it. */
};
/* Information attached to loop. */
struct loop_data
{
unsigned regs_used; /* Number of registers used. */
};
/* Types of uses. */
enum use_type
{
@ -209,6 +203,9 @@ struct ivopts_data
/* The currently optimized loop. */
struct loop *current_loop;
/* Number of registers used in it. */
unsigned regs_used;
/* Numbers of iterations for all exits of the current loop. */
htab_t niters;
@ -347,14 +344,6 @@ iv_cand (struct ivopts_data *data, unsigned i)
return VEC_index (iv_cand_p, data->iv_candidates, i);
}
/* The data for LOOP. */
static inline struct loop_data *
loop_data (struct loop *loop)
{
return loop->aux;
}
/* The single loop exit if it dominates the latch, NULL otherwise. */
edge
@ -736,24 +725,17 @@ niter_for_single_dom_exit (struct ivopts_data *data)
}
/* Initializes data structures used by the iv optimization pass, stored
in DATA. LOOPS is the loop tree. */
in DATA. */
static void
tree_ssa_iv_optimize_init (struct loops *loops, struct ivopts_data *data)
tree_ssa_iv_optimize_init (struct ivopts_data *data)
{
unsigned i;
data->version_info_size = 2 * num_ssa_names;
data->version_info = XCNEWVEC (struct version_info, data->version_info_size);
data->relevant = BITMAP_ALLOC (NULL);
data->important_candidates = BITMAP_ALLOC (NULL);
data->max_inv_id = 0;
data->niters = htab_create (10, nfe_hash, nfe_eq, free);
for (i = 1; i < loops->num; i++)
if (loops->parray[i])
loops->parray[i]->aux = xcalloc (1, sizeof (struct loop_data));
data->iv_uses = VEC_alloc (iv_use_p, heap, 20);
data->iv_candidates = VEC_alloc (iv_cand_p, heap, 20);
decl_rtl_to_reset = VEC_alloc (tree, heap, 20);
@ -4227,9 +4209,7 @@ if (dump_file && (dump_flags & TDF_DETAILS))
static unsigned
ivopts_global_cost_for_size (struct ivopts_data *data, unsigned size)
{
return global_cost_for_size (size,
loop_data (data->current_loop)->regs_used,
n_iv_uses (data));
return global_cost_for_size (size, data->regs_used, n_iv_uses (data));
}
/* For each size of the induction variable set determine the penalty. */
@ -4293,7 +4273,7 @@ determine_set_costs (struct ivopts_data *data)
n++;
}
loop_data (loop)->regs_used = n;
data->regs_used = n;
if (dump_file && (dump_flags & TDF_DETAILS))
fprintf (dump_file, " regs_used %d\n", n);
@ -5718,17 +5698,8 @@ free_loop_data (struct ivopts_data *data)
loop tree. */
static void
tree_ssa_iv_optimize_finalize (struct loops *loops, struct ivopts_data *data)
tree_ssa_iv_optimize_finalize (struct ivopts_data *data)
{
unsigned i;
for (i = 1; i < loops->num; i++)
if (loops->parray[i])
{
free (loops->parray[i]->aux);
loops->parray[i]->aux = NULL;
}
free_loop_data (data);
free (data->version_info);
BITMAP_FREE (data->relevant);
@ -5820,7 +5791,7 @@ tree_ssa_iv_optimize (struct loops *loops)
struct loop *loop;
struct ivopts_data data;
tree_ssa_iv_optimize_init (loops, &data);
tree_ssa_iv_optimize_init (&data);
/* Optimize the loops starting with the innermost ones. */
loop = loops->tree_root;
@ -5845,5 +5816,5 @@ tree_ssa_iv_optimize (struct loops *loops)
loop = loop->outer;
}
tree_ssa_iv_optimize_finalize (loops, &data);
tree_ssa_iv_optimize_finalize (&data);
}