static inline gimple
allocate_phi_node (size_t len)
{
gimple phi;
size_t bucket = NUM_BUCKETS - 2;
size_t size = sizeof (struct gimple_statement_phi)
+ (len - 1) * sizeof (struct phi_arg_d);
if (free_phinode_count)
for (bucket = len - 2; bucket < NUM_BUCKETS - 2; bucket++)
if (free_phinodes[bucket])
break;
/* If our free list has an element, then use it. */
if (bucket < NUM_BUCKETS - 2
&& gimple_phi_capacity (VEC_index (gimple, free_phinodes[bucket], 0))
>= len)
{
free_phinode_count--;
phi = VEC_pop (gimple, free_phinodes[bucket]);
if (VEC_empty (gimple, free_phinodes[bucket]))
VEC_free (gimple, gc, free_phinodes[bucket]);
#ifdef GATHER_STATISTICS
phi_nodes_reused++;
#endif
}
else
{
phi = (gimple) ggc_alloc (size);
#ifdef GATHER_STATISTICS
phi_nodes_created++;
{
enum gimple_alloc_kind kind = gimple_alloc_kind (GIMPLE_PHI);
gimple_alloc_counts[(int) kind]++;
gimple_alloc_sizes[(int) kind] += size;
}
#endif
}
return phi;
}
static inline gimple_statement_phi *
allocate_phi_node (size_t len)
{
gimple_statement_phi *phi;
size_t bucket = NUM_BUCKETS - 2;
size_t size = sizeof (struct gimple_statement_phi)
+ (len - 1) * sizeof (struct phi_arg_d);
if (free_phinode_count)
for (bucket = len - 2; bucket < NUM_BUCKETS - 2; bucket++)
if (free_phinodes[bucket])
break;
/* If our free list has an element, then use it. */
if (bucket < NUM_BUCKETS - 2
&& gimple_phi_capacity ((*free_phinodes[bucket])[0]) >= len)
{
free_phinode_count--;
phi = as_a <gimple_statement_phi> (free_phinodes[bucket]->pop ());
if (free_phinodes[bucket]->is_empty ())
vec_free (free_phinodes[bucket]);
if (GATHER_STATISTICS)
phi_nodes_reused++;
}
else
{
phi = static_cast <gimple_statement_phi *> (
ggc_internal_alloc_stat (size MEM_STAT_INFO));
if (GATHER_STATISTICS)
{
enum gimple_alloc_kind kind = gimple_alloc_kind (GIMPLE_PHI);
phi_nodes_created++;
gimple_alloc_counts[(int) kind]++;
gimple_alloc_sizes[(int) kind] += size;
}
}
return phi;
}
