diff options
Diffstat (limited to 'gcc/tree-ssa-live.c')
| -rw-r--r-- | gcc/tree-ssa-live.c | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c index c8b9ce8b016..83a52a0482c 100644 --- a/gcc/tree-ssa-live.c +++ b/gcc/tree-ssa-live.c @@ -21,6 +21,7 @@ along with GCC; see the file COPYING3. If not see #include "config.h" #include "system.h" #include "coretypes.h" +#include "hash-table.h" #include "tm.h" #include "tree.h" #include "gimple-pretty-print.h" @@ -53,6 +54,29 @@ static void verify_live_on_entry (tree_live_info_p); ssa_name or variable, and vice versa. */ +/* Hashtable helpers. */ + +struct tree_int_map_hasher : typed_noop_remove <tree_int_map> +{ + typedef tree_int_map value_type; + typedef tree_int_map compare_type; + static inline hashval_t hash (const value_type *); + static inline bool equal (const value_type *, const compare_type *); +}; + +inline hashval_t +tree_int_map_hasher::hash (const value_type *v) +{ + return tree_map_base_hash (v); +} + +inline bool +tree_int_map_hasher::equal (const value_type *v, const compare_type *c) +{ + return tree_int_map_eq (v, c); +} + + /* This routine will initialize the basevar fields of MAP. */ static void @@ -60,12 +84,11 @@ var_map_base_init (var_map map) { int x, num_part; tree var; - htab_t tree_to_index; + hash_table <tree_int_map_hasher> tree_to_index; struct tree_int_map *m, *mapstorage; num_part = num_var_partitions (map); - tree_to_index = htab_create (num_part, tree_map_base_hash, - tree_int_map_eq, NULL); + tree_to_index.create (num_part); /* We can have at most num_part entries in the hash tables, so it's enough to allocate so many map elements once, saving some malloc calls. */ @@ -91,8 +114,7 @@ var_map_base_init (var_map map) underlying decl. */ m->base.from = TREE_TYPE (var); /* If base variable hasn't been seen, set it up. */ - slot = (struct tree_int_map **) htab_find_slot (tree_to_index, - m, INSERT); + slot = tree_to_index.find_slot (m, INSERT); if (!*slot) { baseindex = m - mapstorage; @@ -108,7 +130,7 @@ var_map_base_init (var_map map) map->num_basevars = m - mapstorage; free (mapstorage); - htab_delete (tree_to_index); + tree_to_index. dispose (); } |