diff options
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 68298ea..f7a17eb 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -1911,7 +1911,7 @@ typedef const struct equiv_class_label *const_equiv_class_label_t; /* Equiv_class_label hashtable helpers. */ -struct equiv_class_hasher : free_ptr_hash <equiv_class_label> +struct equiv_class_hasher : nofree_ptr_hash <equiv_class_label> { static inline hashval_t hash (const equiv_class_label *); static inline bool equal (const equiv_class_label *, @@ -1944,6 +1944,8 @@ static hash_table<equiv_class_hasher> *pointer_equiv_class_table; classes. */ static hash_table<equiv_class_hasher> *location_equiv_class_table; +struct obstack equiv_class_obstack; + /* Lookup a equivalence class in TABLE by the bitmap of LABELS with hash HAS it contains. Sets *REF_LABELS to the bitmap LABELS is equivalent to. */ @@ -1960,7 +1962,7 @@ equiv_class_lookup_or_add (hash_table<equiv_class_hasher> *table, slot = table->find_slot (&ecl, INSERT); if (!*slot) { - *slot = XNEW (struct equiv_class_label); + *slot = XOBNEW (&equiv_class_obstack, struct equiv_class_label); (*slot)->labels = labels; (*slot)->hashcode = ecl.hashcode; (*slot)->equivalence_class = 0; @@ -2334,6 +2336,7 @@ perform_var_substitution (constraint_graph_t graph) scc_info *si = new scc_info (size); bitmap_obstack_initialize (&iteration_obstack); + gcc_obstack_init (&equiv_class_obstack); pointer_equiv_class_table = new hash_table<equiv_class_hasher> (511); location_equiv_class_table = new hash_table<equiv_class_hasher> (511); @@ -2473,6 +2476,7 @@ free_var_substitution_info (class scc_info *si) pointer_equiv_class_table = NULL; delete location_equiv_class_table; location_equiv_class_table = NULL; + obstack_free (&equiv_class_obstack, NULL); bitmap_obstack_release (&iteration_obstack); } |