c-objc-common.c (c_tree_printer): Check flag before hashtable.

2005-05-30  Daniel Berlin  <dberlin@dberlin.org>

	* c-objc-common.c (c_tree_printer): Check flag before hashtable.
	Use DECL_DEBUG_EXPR and SET_DECL_DEBUG_EXPR.
	* dwarf2out.c (dwarf2out_var_location): Ditto.
	* toplev.c (default_tree_printer): Ditto.
	* tree-outof-ssa.c (create_temp): Ditto.
	* tree-sra.c (instantiate_element): Ditto.
	* var-tracking.c (track_expr_p): Ditto.
	* tree.c (struct tree_map): New structure.
	(debug_expr_for_decl): New.
	(tree_map_eq): New function.
	(tree_map_hash): Ditto.
	(tree_map_marked_p): Ditto.
	(print_debug_expr_statistics): Ditto.
	(decl_debug_expr_lookup): Ditto.
	(decl_debug_expr_insert): Ditto.
	(dump_tree_statistics): Dump debug_expr hashtable stats.
	* tree.h (DECL_DEBUG_EXPR): Change
	(SET_DECL_DEBUG_EXPR): Add.

From-SVN: r100417

1 files changed, 8 insertions, 1 deletions

diff --git a/gcc/tree.h b/gcc/tree.h
index e72a20f..e842f69 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -2053,10 +2053,17 @@ struct tree_binfo GTY (())
    writing debugging information about vfield and vbase decls for C++.  */
 #define DECL_FCONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl.vindex)
 
+extern tree decl_debug_expr_lookup (tree);
+extern void decl_debug_expr_insert (tree, tree);
+
 /* For VAR_DECL, this is set to either an expression that it was split
    from (if DECL_DEBUG_EXPR_IS_FROM is true), otherwise a tree_list of
    subexpressions that it was split into.  */
-#define DECL_DEBUG_EXPR(NODE) (DECL_CHECK (NODE)->decl.vindex)
+#define DECL_DEBUG_EXPR(NODE) \
+  (decl_debug_expr_lookup (VAR_DECL_CHECK (NODE)))
+
+#define SET_DECL_DEBUG_EXPR(NODE, VAL) \
+  (decl_debug_expr_insert (VAR_DECL_CHECK (NODE), (VAL)))
 
 #define DECL_DEBUG_EXPR_IS_FROM(NODE) \
   (DECL_CHECK (NODE)->decl.debug_expr_is_from)