gigi.h (create_subprog_decl): Replace TREE_CHAIN with DECL_CHAIN in comment.

	* gcc-interface/gigi.h (create_subprog_decl): Replace TREE_CHAIN with
	DECL_CHAIN in comment.
	* gcc-interface/trans.c (gigi): Likewise.
	(Attribute_to_gnu): Likewise.
	(build_function_stub): Likewise.
	(gnat_to_gnu): Likewise.
	* gcc-interface/utils.c (create_subprog_decl): Likewise.
	(convert_vms_descriptor64): Likewise.
	(convert_vms_descriptor32): Likewise.

From-SVN: r179185

3 files changed, 19 insertions, 19 deletions

diff --git a/gcc/ada/gcc-interface/gigi.h b/gcc/ada/gcc-interface/gigi.h
index 2614eb2..30fa99e 100644
--- a/gcc/ada/gcc-interface/gigi.h
+++ b/gcc/ada/gcc-interface/gigi.h
@@ -671,7 +671,7 @@ extern tree create_label_decl (tree label_name);
 /* Return a FUNCTION_DECL node.  SUBPROG_NAME is the name of the subprogram,
    ASM_NAME is its assembler name, SUBPROG_TYPE is its type (a FUNCTION_TYPE
    node), PARAM_DECL_LIST is the list of the subprogram arguments (a list of
-   PARM_DECL nodes chained through the TREE_CHAIN field).
+   PARM_DECL nodes chained through the DECL_CHAIN field).
 
    INLINE_FLAG, PUBLIC_FLAG, EXTERN_FLAG, ARTIFICIAL_FLAG and ATTR_LIST are
    used to set the appropriate fields in the FUNCTION_DECL.  GNAT_NODE is
diff --git a/gcc/ada/gcc-interface/trans.c b/gcc/ada/gcc-interface/trans.c
index de26f97..71e659e 100644
--- a/gcc/ada/gcc-interface/trans.c
+++ b/gcc/ada/gcc-interface/trans.c
@@ -540,7 +540,7 @@ gigi (Node_Id gnat_root, int max_gnat_node, int number_name ATTRIBUTE_UNUSED,
 	  tree field
 	    = create_field_decl (NULL_TREE, ptr_void_ftype, fdesc_type_node,
 				 NULL_TREE, NULL_TREE, 0, 1);
-	  TREE_CHAIN (field) = field_list;
+	  DECL_CHAIN (field) = field_list;
 	  field_list = field;
 	  elt->index = field;
 	  elt->value = null_node;
@@ -1286,7 +1286,7 @@ Attribute_to_gnu (Node_Id gnat_node, tree *gnu_result_type_p, int attribute)
 		 + TARGET_VTABLE_USES_DESCRIPTORS - 1);
 	  for (gnu_field = TYPE_FIELDS (gnu_result_type), i = 0;
 	       i < TARGET_VTABLE_USES_DESCRIPTORS;
-	       gnu_field = TREE_CHAIN (gnu_field), i++)
+	       gnu_field = DECL_CHAIN (gnu_field), i++)
 	    {
 	      if (build_descriptor)
 		{
@@ -1420,7 +1420,7 @@ Attribute_to_gnu (Node_Id gnat_node, tree *gnu_result_type_p, int attribute)
 	{
 	  gnu_type = TYPE_OBJECT_RECORD_TYPE (gnu_type);
 	  if (attribute != Attr_Max_Size_In_Storage_Elements)
-	    gnu_type = TREE_TYPE (TREE_CHAIN (TYPE_FIELDS (gnu_type)));
+	    gnu_type = TREE_TYPE (DECL_CHAIN (TYPE_FIELDS (gnu_type)));
 	}
 
       /* If we're looking for the size of a field, return the field size.
@@ -2567,8 +2567,8 @@ build_function_stub (tree gnu_subprog, Entity_Id gnat_subprog)
   for (gnu_stub_param = DECL_ARGUMENTS (gnu_stub_decl),
        gnu_subprog_param = DECL_ARGUMENTS (gnu_subprog);
        gnu_stub_param;
-       gnu_stub_param = TREE_CHAIN (gnu_stub_param),
-       gnu_subprog_param = TREE_CHAIN (gnu_subprog_param))
+       gnu_stub_param = DECL_CHAIN (gnu_stub_param),
+       gnu_subprog_param = DECL_CHAIN (gnu_subprog_param))
     {
       if (DECL_BY_DESCRIPTOR_P (gnu_stub_param))
 	{
@@ -4695,7 +4695,7 @@ gnat_to_gnu (Node_Id gnat_node)
 	if (TREE_CODE (gnu_result_type) == RECORD_TYPE
 	    && TYPE_CONTAINS_TEMPLATE_P (gnu_result_type))
 	  gnu_aggr_type
-	    = TREE_TYPE (TREE_CHAIN (TYPE_FIELDS (gnu_result_type)));
+	    = TREE_TYPE (DECL_CHAIN (TYPE_FIELDS (gnu_result_type)));
 	else if (TREE_CODE (gnu_result_type) == VECTOR_TYPE)
 	  gnu_aggr_type = TYPE_REPRESENTATIVE_ARRAY (gnu_result_type);
 
diff --git a/gcc/ada/gcc-interface/utils.c b/gcc/ada/gcc-interface/utils.c
index baa4ca1..553ca3f 100644
--- a/gcc/ada/gcc-interface/utils.c
+++ b/gcc/ada/gcc-interface/utils.c
@@ -1861,7 +1861,7 @@ create_label_decl (tree label_name)
 /* Return a FUNCTION_DECL node.  SUBPROG_NAME is the name of the subprogram,
    ASM_NAME is its assembler name, SUBPROG_TYPE is its type (a FUNCTION_TYPE
    node), PARAM_DECL_LIST is the list of the subprogram arguments (a list of
-   PARM_DECL nodes chained through the TREE_CHAIN field).
+   PARM_DECL nodes chained through the DECL_CHAIN field).
 
    INLINE_FLAG, PUBLIC_FLAG, EXTERN_FLAG, ARTIFICIAL_FLAG and ATTR_LIST are
    used to set the appropriate fields in the FUNCTION_DECL.  GNAT_NODE is
@@ -3039,10 +3039,10 @@ convert_vms_descriptor64 (tree gnu_type, tree gnu_expr, Entity_Id gnat_subprog)
   else if (TYPE_IS_FAT_POINTER_P (gnu_type))
     {
       tree p_array_type = TREE_TYPE (TYPE_FIELDS (gnu_type));
-      tree p_bounds_type = TREE_TYPE (TREE_CHAIN (TYPE_FIELDS (gnu_type)));
+      tree p_bounds_type = TREE_TYPE (DECL_CHAIN (TYPE_FIELDS (gnu_type)));
       tree template_type = TREE_TYPE (p_bounds_type);
       tree min_field = TYPE_FIELDS (template_type);
-      tree max_field = TREE_CHAIN (TYPE_FIELDS (template_type));
+      tree max_field = DECL_CHAIN (TYPE_FIELDS (template_type));
       tree template_tree, template_addr, aflags, dimct, t, u;
       /* See the head comment of build_vms_descriptor.  */
       int iklass = TREE_INT_CST_LOW (DECL_INITIAL (klass));
@@ -3079,11 +3079,11 @@ convert_vms_descriptor64 (tree gnu_type, tree gnu_expr, Entity_Id gnat_subprog)
 	  /* If so, there is already a template in the descriptor and
 	     it is located right after the POINTER field.  The fields are
              64bits so they must be repacked. */
-	  t = TREE_CHAIN (pointer);
+	  t = DECL_CHAIN (pointer);
           lfield = build3 (COMPONENT_REF, TREE_TYPE (t), desc, t, NULL_TREE);
           lfield = convert (TREE_TYPE (TYPE_FIELDS (template_type)), lfield);
 
-	  t = TREE_CHAIN (t);
+	  t = DECL_CHAIN (t);
           ufield = build3 (COMPONENT_REF, TREE_TYPE (t), desc, t, NULL_TREE);
           ufield = convert
            (TREE_TYPE (DECL_CHAIN (TYPE_FIELDS (template_type))), ufield);
@@ -3091,7 +3091,7 @@ convert_vms_descriptor64 (tree gnu_type, tree gnu_expr, Entity_Id gnat_subprog)
 	  /* Build the template in the form of a constructor. */
 	  v = VEC_alloc (constructor_elt, gc, 2);
 	  CONSTRUCTOR_APPEND_ELT (v, TYPE_FIELDS (template_type), lfield);
-	  CONSTRUCTOR_APPEND_ELT (v, TREE_CHAIN (TYPE_FIELDS (template_type)),
+	  CONSTRUCTOR_APPEND_ELT (v, DECL_CHAIN (TYPE_FIELDS (template_type)),
 				  ufield);
 	  template_tree = gnat_build_constructor (template_type, v);
 
@@ -3109,7 +3109,7 @@ convert_vms_descriptor64 (tree gnu_type, tree gnu_expr, Entity_Id gnat_subprog)
 	  aflags = build3 (COMPONENT_REF, TREE_TYPE (t), desc, t, NULL_TREE);
 	  /* The DIMCT field is the next field in the descriptor after
              aflags.  */
-	  t = TREE_CHAIN (t);
+	  t = DECL_CHAIN (t);
 	  dimct = build3 (COMPONENT_REF, TREE_TYPE (t), desc, t, NULL_TREE);
 	  /* Raise CONSTRAINT_ERROR if either more than 1 dimension
 	     or FL_COEFF or FL_BOUNDS not set.  */
@@ -3131,7 +3131,7 @@ convert_vms_descriptor64 (tree gnu_type, tree gnu_expr, Entity_Id gnat_subprog)
           lfield = build3 (COMPONENT_REF, TREE_TYPE (t), desc, t, NULL_TREE);
           lfield = convert (TREE_TYPE (TYPE_FIELDS (template_type)), lfield);
 
-	  t = TREE_CHAIN (t);
+	  t = DECL_CHAIN (t);
           ufield = build3 (COMPONENT_REF, TREE_TYPE (t), desc, t, NULL_TREE);
           ufield = convert
            (TREE_TYPE (DECL_CHAIN (TYPE_FIELDS (template_type))), ufield);
@@ -3193,10 +3193,10 @@ convert_vms_descriptor32 (tree gnu_type, tree gnu_expr, Entity_Id gnat_subprog)
   else if (TYPE_IS_FAT_POINTER_P (gnu_type))
     {
       tree p_array_type = TREE_TYPE (TYPE_FIELDS (gnu_type));
-      tree p_bounds_type = TREE_TYPE (TREE_CHAIN (TYPE_FIELDS (gnu_type)));
+      tree p_bounds_type = TREE_TYPE (DECL_CHAIN (TYPE_FIELDS (gnu_type)));
       tree template_type = TREE_TYPE (p_bounds_type);
       tree min_field = TYPE_FIELDS (template_type);
-      tree max_field = TREE_CHAIN (TYPE_FIELDS (template_type));
+      tree max_field = DECL_CHAIN (TYPE_FIELDS (template_type));
       tree template_tree, template_addr, aflags, dimct, t, u;
       /* See the head comment of build_vms_descriptor.  */
       int iklass = TREE_INT_CST_LOW (DECL_INITIAL (klass));
@@ -3231,7 +3231,7 @@ convert_vms_descriptor32 (tree gnu_type, tree gnu_expr, Entity_Id gnat_subprog)
 	  u = build_binary_op (EQ_EXPR, boolean_type_node, t, u);
 	  /* If so, there is already a template in the descriptor and
 	     it is located right after the POINTER field.  */
-	  t = TREE_CHAIN (pointer);
+	  t = DECL_CHAIN (pointer);
 	  template_tree
 	    = build3 (COMPONENT_REF, TREE_TYPE (t), desc, t, NULL_TREE);
 	  /* Otherwise use the {1, LENGTH} template we build above.  */
@@ -3246,7 +3246,7 @@ convert_vms_descriptor32 (tree gnu_type, tree gnu_expr, Entity_Id gnat_subprog)
 	  t = DECL_CHAIN (DECL_CHAIN (DECL_CHAIN (pointer)));
 	  aflags = build3 (COMPONENT_REF, TREE_TYPE (t), desc, t, NULL_TREE);
 	  /* The DIMCT field is the 8th field in the descriptor.  */
-	  t = TREE_CHAIN (t);
+	  t = DECL_CHAIN (t);
 	  dimct = build3 (COMPONENT_REF, TREE_TYPE (t), desc, t, NULL_TREE);
 	  /* Raise CONSTRAINT_ERROR if either more than 1 dimension
 	     or FL_COEFF or FL_BOUNDS not set.  */