diff options
Diffstat (limited to 'gcc/tree-streamer.c')
| -rw-r--r-- | gcc/tree-streamer.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/gcc/tree-streamer.c b/gcc/tree-streamer.c index 7ea7096..2139e96 100644 --- a/gcc/tree-streamer.c +++ b/gcc/tree-streamer.c @@ -277,12 +277,28 @@ record_common_node (struct streamer_tree_cache_d *cache, tree node) in the cache as hash value. */ streamer_tree_cache_append (cache, node, cache->nodes.length ()); - if (POINTER_TYPE_P (node) - || TREE_CODE (node) == COMPLEX_TYPE - || TREE_CODE (node) == ARRAY_TYPE) - record_common_node (cache, TREE_TYPE (node)); - else if (TREE_CODE (node) == RECORD_TYPE) + switch (TREE_CODE (node)) { + case ERROR_MARK: + case FIELD_DECL: + case FIXED_POINT_TYPE: + case IDENTIFIER_NODE: + case INTEGER_CST: + case INTEGER_TYPE: + case POINTER_BOUNDS_TYPE: + case REAL_TYPE: + case TREE_LIST: + case VOID_CST: + case VOID_TYPE: + /* No recursive trees. */ + break; + case ARRAY_TYPE: + case COMPLEX_TYPE: + case POINTER_TYPE: + case REFERENCE_TYPE: + record_common_node (cache, TREE_TYPE (node)); + break; + case RECORD_TYPE: /* The FIELD_DECLs of structures should be shared, so that every COMPONENT_REF uses the same tree node when referencing a field. Pointer equality between FIELD_DECLs is used by the alias @@ -291,6 +307,10 @@ record_common_node (struct streamer_tree_cache_d *cache, tree node) nonoverlapping_component_refs_of_decl_p). */ for (tree f = TYPE_FIELDS (node); f; f = TREE_CHAIN (f)) record_common_node (cache, f); + break; + default: + /* Unexpected tree code. */ + gcc_unreachable (); } } |