tree-ssa-coalesce.c (struct coalesce_list): Add obstack member.

2018-11-02  Richard Biener  <rguenther@suse.de>

	* tree-ssa-coalesce.c (struct coalesce_list): Add obstack member.
	(pop_cost_one_pair): Do not free pair.
	(pop_best_coalesce): Likewise.
	(create_coalesce_list): Initialize obstack.
	(delete_coalesce_list): Free obstack.
	(find_coalesce_pair): Obstack-allocate coalesce pairs.
	(add_cost_one_coalesce): Likewise.
	(struct live_track): Remove bitmap pointer indirections.
	(new_live_track): Adjust.
	(delete_live_track): Likewise.
	(live_track_remove_partition): Likewise.
	(live_track_add_partition): Likewise.
	(live_track_live_p): Likewise.
	(live_track_process_def): Likewise.
	(live_track_clear_base_vars): Likewise.

From-SVN: r265745
This commit is contained in:
Richard Biener 2018-11-02 11:29:50 +00:00 committed by Richard Biener
parent 4155777d73
commit 4c998ca548
2 changed files with 42 additions and 24 deletions

View File

@ -1,3 +1,21 @@
2018-11-02 Richard Biener <rguenther@suse.de>
* tree-ssa-coalesce.c (struct coalesce_list): Add obstack member.
(pop_cost_one_pair): Do not free pair.
(pop_best_coalesce): Likewise.
(create_coalesce_list): Initialize obstack.
(delete_coalesce_list): Free obstack.
(find_coalesce_pair): Obstack-allocate coalesce pairs.
(add_cost_one_coalesce): Likewise.
(struct live_track): Remove bitmap pointer indirections.
(new_live_track): Adjust.
(delete_live_track): Likewise.
(live_track_remove_partition): Likewise.
(live_track_add_partition): Likewise.
(live_track_live_p): Likewise.
(live_track_process_def): Likewise.
(live_track_clear_base_vars): Likewise.
2018-11-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.ac (gcc_cv_as_sparc_register_op): Remove.

View File

@ -135,6 +135,7 @@ struct coalesce_list
coalesce_pair **sorted; /* List when sorted. */
int num_sorted; /* Number in the sorted list. */
cost_one_pair *cost_one_list;/* Single use coalesces with cost 1. */
obstack ob;
};
#define NO_BEST_COALESCE -1
@ -226,8 +227,6 @@ pop_cost_one_pair (coalesce_list *cl, int *p1, int *p2)
*p2 = ptr->second_element;
cl->cost_one_list = ptr->next;
free (ptr);
return 1;
}
@ -251,7 +250,6 @@ pop_best_coalesce (coalesce_list *cl, int *p1, int *p2)
*p1 = node->first_element;
*p2 = node->second_element;
ret = node->cost;
free (node);
return ret;
}
@ -273,6 +271,7 @@ create_coalesce_list (void)
list->sorted = NULL;
list->num_sorted = 0;
list->cost_one_list = NULL;
gcc_obstack_init (&list->ob);
return list;
}
@ -287,6 +286,7 @@ delete_coalesce_list (coalesce_list *cl)
cl->list = NULL;
free (cl->sorted);
gcc_assert (cl->num_sorted == 0);
obstack_free (&cl->ob, NULL);
free (cl);
}
@ -328,7 +328,7 @@ find_coalesce_pair (coalesce_list *cl, int p1, int p2, bool create)
if (!*slot)
{
struct coalesce_pair * pair = XNEW (struct coalesce_pair);
struct coalesce_pair * pair = XOBNEW (&cl->ob, struct coalesce_pair);
gcc_assert (cl->sorted == NULL);
pair->first_element = p.first_element;
pair->second_element = p.second_element;
@ -346,7 +346,7 @@ add_cost_one_coalesce (coalesce_list *cl, int p1, int p2)
{
cost_one_pair *pair;
pair = XNEW (cost_one_pair);
pair = XOBNEW (&cl->ob, cost_one_pair);
pair->first_element = p1;
pair->second_element = p2;
pair->next = cl->cost_one_list;
@ -677,8 +677,8 @@ ssa_conflicts_dump (FILE *file, ssa_conflicts *ptr)
struct live_track
{
bitmap_obstack obstack; /* A place to allocate our bitmaps. */
bitmap live_base_var; /* Indicates if a basevar is live. */
bitmap *live_base_partitions; /* Live partitions for each basevar. */
bitmap_head live_base_var; /* Indicates if a basevar is live. */
bitmap_head *live_base_partitions; /* Live partitions for each basevar. */
var_map map; /* Var_map being used for partition mapping. */
};
@ -695,14 +695,14 @@ new_live_track (var_map map)
/* Make sure there is a partition view in place. */
gcc_assert (map->partition_to_base_index != NULL);
ptr = (live_track *) xmalloc (sizeof (live_track));
ptr = XNEW (live_track);
ptr->map = map;
lim = num_basevars (map);
bitmap_obstack_initialize (&ptr->obstack);
ptr->live_base_partitions = (bitmap *) xmalloc (sizeof (bitmap *) * lim);
ptr->live_base_var = BITMAP_ALLOC (&ptr->obstack);
ptr->live_base_partitions = XNEWVEC (bitmap_head, lim);
bitmap_initialize (&ptr->live_base_var, &ptr->obstack);
for (x = 0; x < lim; x++)
ptr->live_base_partitions[x] = BITMAP_ALLOC (&ptr->obstack);
bitmap_initialize (&ptr->live_base_partitions[x], &ptr->obstack);
return ptr;
}
@ -713,8 +713,8 @@ static void
delete_live_track (live_track *ptr)
{
bitmap_obstack_release (&ptr->obstack);
free (ptr->live_base_partitions);
free (ptr);
XDELETEVEC (ptr->live_base_partitions);
XDELETE (ptr);
}
@ -726,10 +726,10 @@ live_track_remove_partition (live_track *ptr, int partition)
int root;
root = basevar_index (ptr->map, partition);
bitmap_clear_bit (ptr->live_base_partitions[root], partition);
bitmap_clear_bit (&ptr->live_base_partitions[root], partition);
/* If the element list is empty, make the base variable not live either. */
if (bitmap_empty_p (ptr->live_base_partitions[root]))
bitmap_clear_bit (ptr->live_base_var, root);
if (bitmap_empty_p (&ptr->live_base_partitions[root]))
bitmap_clear_bit (&ptr->live_base_var, root);
}
@ -743,9 +743,9 @@ live_track_add_partition (live_track *ptr, int partition)
root = basevar_index (ptr->map, partition);
/* If this base var wasn't live before, it is now. Clear the element list
since it was delayed until needed. */
if (bitmap_set_bit (ptr->live_base_var, root))
bitmap_clear (ptr->live_base_partitions[root]);
bitmap_set_bit (ptr->live_base_partitions[root], partition);
if (bitmap_set_bit (&ptr->live_base_var, root))
bitmap_clear (&ptr->live_base_partitions[root]);
bitmap_set_bit (&ptr->live_base_partitions[root], partition);
}
@ -774,8 +774,8 @@ live_track_live_p (live_track *ptr, tree var)
if (p != NO_PARTITION)
{
root = basevar_index (ptr->map, p);
if (bitmap_bit_p (ptr->live_base_var, root))
return bitmap_bit_p (ptr->live_base_partitions[root], p);
if (bitmap_bit_p (&ptr->live_base_var, root))
return bitmap_bit_p (&ptr->live_base_partitions[root], p);
}
return false;
}
@ -819,9 +819,9 @@ live_track_process_def (live_track *ptr, tree def, ssa_conflicts *graph)
/* If the bitmap isn't empty now, conflicts need to be added. */
root = basevar_index (ptr->map, p);
if (bitmap_bit_p (ptr->live_base_var, root))
if (bitmap_bit_p (&ptr->live_base_var, root))
{
b = ptr->live_base_partitions[root];
b = &ptr->live_base_partitions[root];
EXECUTE_IF_SET_IN_BITMAP (b, 0, x, bi)
ssa_conflicts_add (graph, p, x);
}
@ -850,7 +850,7 @@ live_track_clear_base_vars (live_track *ptr)
/* Simply clear the live base list. Anything marked as live in the element
lists will be cleared later if/when the base variable ever comes alive
again. */
bitmap_clear (ptr->live_base_var);
bitmap_clear (&ptr->live_base_var);
}