tree.c (make_vector_type): Do not set TYPE_DEBUG_REPRESENTATION_TYPE.

2010-09-10  Richard Guenther  <rguenther@suse.de>

	* tree.c (make_vector_type): Do not set TYPE_DEBUG_REPRESENTATION_TYPE.
	* tree.h (TYPE_DEBUG_REPRESENTATION_TYPE): Remove.
	* lto-streamer-out.c (lto_output_ts_type_tree_pointers): Do
	not stream TYPE_DEBUG_REPRESENTATION_TYPE.
	* lto-streamer-in.c (lto_input_ts_type_tree_pointers): Likewise.

From-SVN: r164193

gcc/ChangeLog

 2010-09-10  Richard Guenther  <rguenther@suse.de>
 
+	* tree.c (make_vector_type): Do not set TYPE_DEBUG_REPRESENTATION_TYPE.
+	* tree.h (TYPE_DEBUG_REPRESENTATION_TYPE): Remove.
+	* lto-streamer-out.c (lto_output_ts_type_tree_pointers): Do
+	not stream TYPE_DEBUG_REPRESENTATION_TYPE.
+	* lto-streamer-in.c (lto_input_ts_type_tree_pointers): Likewise.
+
+2010-09-10  Richard Guenther  <rguenther@suse.de>
+
 	* dwarf2out.c (gen_array_type_die): Output DW_TAG_subrange_type
 	for VECTOR_TYPEs using TYPE_VECTOR_SUBPARTS.
 	* dbxout.c (dbxout_type): Manually deal with VECTOR_TYPE

gcc/lto-streamer-in.c

@@ -2037,8 +2037,6 @@ lto_input_ts_type_tree_pointers (struct lto_input_block *ib,
   else if (TREE_CODE (expr) == FUNCTION_TYPE
 	   || TREE_CODE (expr) == METHOD_TYPE)
     TYPE_ARG_TYPES (expr) = lto_input_tree (ib, data_in);
-  else if (TREE_CODE (expr) == VECTOR_TYPE)
-    TYPE_DEBUG_REPRESENTATION_TYPE (expr) = lto_input_tree (ib, data_in);
 
   TYPE_SIZE (expr) = lto_input_tree (ib, data_in);
   TYPE_SIZE_UNIT (expr) = lto_input_tree (ib, data_in);

gcc/lto-streamer-out.c

@@ -959,8 +959,6 @@ lto_output_ts_type_tree_pointers (struct output_block *ob, tree expr,
   else if (TREE_CODE (expr) == FUNCTION_TYPE
 	   || TREE_CODE (expr) == METHOD_TYPE)
     lto_output_tree_or_ref (ob, TYPE_ARG_TYPES (expr), ref_p);
-  else if (TREE_CODE (expr) == VECTOR_TYPE)
-    lto_output_tree_or_ref (ob, TYPE_DEBUG_REPRESENTATION_TYPE (expr), ref_p);
 
   lto_output_tree_or_ref (ob, TYPE_SIZE (expr), ref_p);
   lto_output_tree_or_ref (ob, TYPE_SIZE_UNIT (expr), ref_p);

gcc/tree.c

@@ -8792,24 +8792,6 @@ make_vector_type (tree innertype, int nunits, enum machine_mode mode)
 
   layout_type (t);
 
-  {
-    tree index = build_int_cst (NULL_TREE, nunits - 1);
-    tree array = build_array_type (TYPE_MAIN_VARIANT (innertype),
-				   build_index_type (index));
-    tree rt = make_node (RECORD_TYPE);
-
-    TYPE_FIELDS (rt) = build_decl (UNKNOWN_LOCATION, FIELD_DECL,
-				   get_identifier ("f"), array);
-    DECL_CONTEXT (TYPE_FIELDS (rt)) = rt;
-    layout_type (rt);
-    TYPE_DEBUG_REPRESENTATION_TYPE (t) = rt;
-    /* In dwarfout.c, type lookup uses TYPE_UID numbers.  We want to output
-       the representation type, and we want to find that die when looking up
-       the vector type.  This is most easily achieved by making the TYPE_UID
-       numbers equal.  */
-    TYPE_UID (rt) = TYPE_UID (t);
-  }
-
   hashcode = iterative_hash_host_wide_int (VECTOR_TYPE, hashcode);
   hashcode = iterative_hash_host_wide_int (nunits, hashcode);
   hashcode = iterative_hash_host_wide_int (mode, hashcode);

gcc/tree.h

@@ -2118,12 +2118,6 @@ extern enum machine_mode vector_type_mode (const_tree);
 #define TYPE_IBIT(NODE) (GET_MODE_IBIT (TYPE_MODE (NODE)))
 #define TYPE_FBIT(NODE) (GET_MODE_FBIT (TYPE_MODE (NODE)))
 
-/* For a VECTOR_TYPE node, this describes a different type which is emitted
-   in the debugging output.  We use this to describe a vector as a
-   structure containing an array.  */
-#define TYPE_DEBUG_REPRESENTATION_TYPE(NODE) \
-  (VECTOR_TYPE_CHECK (NODE)->type.values)
-
 /* For record and union types, information about this type, as a base type
    for itself.  */
 #define TYPE_BINFO(NODE) (RECORD_OR_UNION_CHECK(NODE)->type.binfo)