* tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.

	(struct tree_type, struct tree_decl): Add user_align member.
	* stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
	(place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
	and DECL_USER_ALIGN 0, cap alignment to this value.
	(place_field): Likewise.
	(finalize_type_size): Set TYPE_USER_ALIGN.
	(layout_type): Likewise.
	(initialize_sizetypes): Likewise.
	* c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
	DECL_USER_ALIGN to 1.
	* c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
	(xfer_tag): Set TYPE_USER_ALIGN.
	(finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
	(finish_enum): Likewise.
	* stmt.c (expand_decl): Set DECL_USER_ALIGN.
	(expand_anon_union_decl): Likewise.
	* tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
	(build_index_type): Set TYPE_USER_ALIGN.
	(build_range_type): Likewise.
	(build_common_tree_nodes_2): Likewise.
	* tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.

ch/:
	* decl.c (init_decl_processing): Set TYPE_USER_ALIGN.
	(layout_enum): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
	* typeck.c (layout_chill_range_type): Set TYPE_USER_ALIGN.
	(apply_chill_field_layout): Set DECL_USER_ALIGN.
	(layout_chill_struct_type): Set TYPE_USER_ALIGN.

cp/:
	* class.c (build_secondary_vtable): Set DECL_USER_ALIGN.
	(check_bitfield_decl, check_field_decl): Likewise.
	(build_vtbl_or_vbase_field, build_base_field): Likewise.
	(layout_class_type): Set DECL_USER_ALIGN resp. CLASSTYPE_USER_ALIGN.
	* decl.c (record_unknown_type): Set TYPE_USER_ALIGN.
	(xfer_tag, finish_enum): Likewise.
	* decl2.c (finish_builtin_type): Likewise.
	* init.c (init_init_processing): Likewise.
	* pt.c (instantiate_class_template): Likewise.
	* rtti.c (get_tinfo_decl, synthesize_tinfo_fn): Set DECL_USER_ALIGN.
	* cp-tree.h (struct lang_type): Add user_align member.
	(CLASSTYPE_USER_ALIGN): Define.

f/:
	* com.c (ffecom_transform_common_): Set DECL_USER_ALIGN.
	(ffecom_transform_equiv_, ffecom_decl_field): Likewise.
	(ffecom_init_0): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
	(duplicate_decls): Set DECL_USER_ALIGN.

java/:
	* typeck.c (build_java_array_type): Set TYPE_USER_ALIGN.
	* parse.y (java_complete_class): Set DECL_USER_ALIGN.
	* parse.c: Rebuilt.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34541 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 5 insertions, 0 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 10324030262..933bba81fd5 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -1063,6 +1063,7 @@ make_node (code)
     case 'd':
       if (code != FUNCTION_DECL)
 	DECL_ALIGN (t) = 1;
+      DECL_USER_ALIGN (t) = 0;
       DECL_IN_SYSTEM_HEADER (t) = in_system_header;
       DECL_SOURCE_LINE (t) = lineno;
       DECL_SOURCE_FILE (t) = 
@@ -1076,6 +1077,7 @@ make_node (code)
     case 't':
       TYPE_UID (t) = next_type_uid++;
       TYPE_ALIGN (t) = 1;
+      TYPE_USER_ALIGN (t) = 0;
       TYPE_MAIN_VARIANT (t) = t;
       TYPE_OBSTACK (t) = obstack;
       TYPE_ATTRIBUTES (t) = NULL_TREE;
@@ -4649,6 +4651,7 @@ build_index_type (maxval)
   TYPE_SIZE (itype) = TYPE_SIZE (sizetype);
   TYPE_SIZE_UNIT (itype) = TYPE_SIZE_UNIT (sizetype);
   TYPE_ALIGN (itype) = TYPE_ALIGN (sizetype);
+  TYPE_USER_ALIGN (itype) = TYPE_USER_ALIGN (sizetype);
 
   if (host_integerp (maxval, 1))
     return type_hash_canon (tree_low_cst (maxval, 1), itype);
@@ -4681,6 +4684,7 @@ build_range_type (type, lowval, highval)
   TYPE_SIZE (itype) = TYPE_SIZE (type);
   TYPE_SIZE_UNIT (itype) = TYPE_SIZE_UNIT (type);
   TYPE_ALIGN (itype) = TYPE_ALIGN (type);
+  TYPE_USER_ALIGN (itype) = TYPE_USER_ALIGN (type);
 
   if (host_integerp (lowval, 0) && highval != 0 && host_integerp (highval, 0))
     return type_hash_canon (tree_low_cst (highval, 0)
@@ -5714,6 +5718,7 @@ build_common_tree_nodes_2 (short_double)
   /* We are not going to have real types in C with less than byte alignment,
      so we might as well not have any types that claim to have it.  */
   TYPE_ALIGN (void_type_node) = BITS_PER_UNIT;
+  TYPE_USER_ALIGN (void_type_node) = 0;
 
   null_pointer_node = build_int_2 (0, 0);
   TREE_TYPE (null_pointer_node) = build_pointer_type (void_type_node);