diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree.c | 15 |
2 files changed, 18 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2ef183d..419ec4b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.c (type_hash_marked_p): Consider as marked if debug symbol + number has been set. + (type_hash_mark): Mark type itself. + 2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk> * c-lex.c (cb_def_pragma): Update. @@ -3139,22 +3139,31 @@ type_hash_canon (hashcode, type) } } -/* See if the data pointed to by the type hash table is marked. */ +/* See if the data pointed to by the type hash table is marked. We consider + it marked if the type is marked or if a debug type number or symbol + table entry has been made for the type. This reduces the amount of + debugging output and eliminates that dependency of the debug output on + the number of garbage collections. */ static int type_hash_marked_p (p) const void *p; { - return ggc_marked_p (((struct type_hash *) p)->type); + tree type = ((struct type_hash *) p)->type; + + return ggc_marked_p (type) || TYPE_SYMTAB_POINTER (type); } -/* Mark the entry in the type hash table the type it points to is marked. */ +/* Mark the entry in the type hash table the type it points to is marked. + Also mark the type in case we are considering this entry "marked" by + virtue of TYPE_SYMTAB_POINTER being set. */ static void type_hash_mark (p) const void *p; { ggc_mark (p); + ggc_mark_tree (((struct type_hash *) p)->type); } /* Mark the hashtable slot pointed to by ENTRY (which is really a |