+2007-07-28 Daniel Berlin <dberlin@dberlin.org>
+
+ * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h
+
+ * tree-ssa-alias.c: Add alloc-pool.h.
+ (init_alias_info): Free alias_bitmap_obstack.
+ (delete_alias_info): Call delete_mem_ref_stats.
+ (get_mem_sym_stats_for): Use alloc_pool.
+ (init_mem_ref_stats): Do not delete mem_ref_stats here.
+ (delete_mem_sym_stats): Removed.
+
2007-07-29 Sebastian Pop <sebpop@gmail.com>
* tree-data-ref.c (add_multivariate_self_dist): Parametric access
$(FUNCTION_H) $(TIMEVAR_H) convert.h $(TM_H) coretypes.h langhooks.h \
$(TREE_DUMP_H) tree-pass.h $(PARAMS_H) $(BASIC_BLOCK_H) $(DIAGNOSTIC_H) \
hard-reg-set.h $(TREE_GIMPLE_H) vec.h tree-ssa-structalias.h \
- $(IPA_TYPE_ESCAPE_H) vecprim.h pointer-set.h
+ $(IPA_TYPE_ESCAPE_H) vecprim.h pointer-set.h alloc-pool.h
tree-ssa-reassoc.o : tree-ssa-reassoc.c $(TREE_FLOW_H) $(CONFIG_H) \
$(SYSTEM_H) $(TREE_H) $(GGC_H) $(DIAGNOSTIC_H) errors.h $(TIMEVAR_H) \
$(TM_H) coretypes.h $(TREE_DUMP_H) tree-pass.h $(FLAGS_H) tree-iterator.h\
#include "bitmap.h"
#include "vecprim.h"
#include "pointer-set.h"
+#include "alloc-pool.h"
/* Broad overview of how aliasing works:
void debug_mp_info (VEC(mem_sym_stats_t,heap) *);
-
+static alloc_pool mem_sym_stats_pool;
/* Return memory reference stats for symbol VAR. Create a new slot in
cfun->gimple_df->mem_sym_stats if needed. */
slot = pointer_map_insert (map, var);
if (*slot == NULL)
{
- stats = XCNEW (struct mem_sym_stats_d);
+ stats = pool_alloc (mem_sym_stats_pool);
+ memset (stats, 0, sizeof (*stats));
stats->var = var;
*slot = (void *) stats;
}
gcc_assert (*num_uses_p >= *num_loads_p + *num_stores_p);
}
-
-/* Helper for delete_mem_ref_stats. Free all the slots in the
- mem_sym_stats map. */
-
-static bool
-delete_mem_sym_stats (void *key ATTRIBUTE_UNUSED, void **value,
- void *data ATTRIBUTE_UNUSED)
-{
- XDELETE (*value);
- *value = NULL;
- return false;
-}
-
-
/* Remove memory references stats for function FN. */
void
{
if (gimple_mem_ref_stats (fn)->mem_sym_stats)
{
- pointer_map_traverse (gimple_mem_ref_stats (fn)->mem_sym_stats,
- delete_mem_sym_stats, NULL);
+ free_alloc_pool (mem_sym_stats_pool);
pointer_map_destroy (gimple_mem_ref_stats (fn)->mem_sym_stats);
}
-
gimple_mem_ref_stats (fn)->mem_sym_stats = NULL;
}
{
struct mem_ref_stats_d *mem_ref_stats = gimple_mem_ref_stats (cfun);
- if (mem_ref_stats->mem_sym_stats)
- delete_mem_ref_stats (cfun);
-
+ mem_sym_stats_pool = create_alloc_pool ("Mem sym stats",
+ sizeof (struct mem_sym_stats_d),
+ 100);
memset (mem_ref_stats, 0, sizeof (struct mem_ref_stats_d));
mem_ref_stats->mem_sym_stats = pointer_map_create ();
}
{
unsigned i;
- bitmap_obstack_release (&alias_bitmap_obstack);
-
/* Similarly, clear the set of addressable variables. In this
case, we can just clear the set because addressability is
only computed here. */
/* Next time, we will need to reset alias information. */
cfun->gimple_df->aliases_computed_p = true;
+ if (alias_bitmap_obstack.elements != NULL)
+ bitmap_obstack_release (&alias_bitmap_obstack);
bitmap_obstack_initialize (&alias_bitmap_obstack);
return ai;
pointer_set_destroy (ai->dereferenced_ptrs_load);
free (ai);
+ delete_mem_ref_stats (cfun);
delete_points_to_sets ();
}