* c-common.c (decl_attributes): Set DECL_SIZE_UNIT.

	* c-decl.c (duplicate_decls, finish_enum): Likewise.
	(finish_decl): Remove -Wlarger-than code from here.
	* flags.h (id_clash_len): Now int.
	(larger_than_size): Now HOST_WIDE_INT.
	* fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
	Clean up checking to see if in table.
	(make_bit_field_ref): Remove extra parm to bitsize_int.
	* ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
	* print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
	* stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
	and for computing size of decl.
	* stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
	Move -Wlarger-than code to here.
	(layout_record): Remove extra arg to bitsize_int.
	Set TYPE_BINFO_SIZE_UNIT.
	(layout_union): Remove extra arg to bitsize_int.
	Use proper type for size of QUAL_UNION.
	(layout_type): Remove extra arg to bitsize_int.
	* toplev.c (id_clash_len): Now int.
	(larger_than_size): Now HOST_WIDE_INT.
	(decode_W_option): Clean up id-clash and larger-than- cases.
	* tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
	(expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
	* tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
	(struct tree_decl): New field size_unit.
	(size_int_wide): No HIGH operand; NUMBER is now signed.
	(size_int_2): Deleted.
	(size_int, bitsize_int): Don't use it and rework args.
	* varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
	* ch/decl.c (layout_enum): Set DECL_SIZE_UNIT.
	* ch/satisfy.c (safe_satisfy_decl): Likewise.
	* cp/class.c (build_primary_vtable, layout_vtable_decl): Likewise.
	(avoid_overlap, build_base_field): Likewise.
	(build_base_field, build_base_fields, is_empty_class):
	Test DECL_SIZE with integer_zero.
	(layout_class_type): Set CLASSTYPE_SIZE_UNIT.
	* cp/cp-tree.h (struct lang_type): New field size_unit.
	(CLASSTYPE_SIZE_UNIT): New macro.
	* cp/decl.c (init_decl_processing): Set DECL_SIZE_UNIT.
	(cp_finish_decl): Delete -Wlarger-than processing.
	* cp/optimize.c (remap_decl): Walk DECL_SIZE_UNIT.
	* cp/pt.c (tsubst_decl): Set DECL_SIZE_UNIT.
	* cp/tree.c (make_binfo): binfo vector is one entry longer.
	(walk_tree): Walk DECL_SIZE_UNIT.
	* f/com.c (ffecom_sym_transform): Use DECL_SIZE_UNIT.
	(ffecom_transform_common_, ffecom_transform_equiv_): Likewise.
	(duplicate_decls): Likewise.
	(ffecom_tree_canonize_ptr_): Delete extra arg to bitsize_int.
	(finish_decl): Delete -Wlarger-than processing.
	* java/class.c (build_class_ref, push_super_field): Set DECL_SIZE_UNIT.
	* java/constants.c (build_constants_constructor): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32068 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 9 insertions, 5 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index c01d46e71d9..4c5a7ef3402 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -1,5 +1,6 @@
 /* Language-independent node constructors for parse phase of GNU compiler.
-   Copyright (C) 1987, 88, 92-99, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+   1999, 2000 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -1263,7 +1264,7 @@ get_identifier (text)
 
   /* Decide how much of that length to hash on */
   hash_len = len;
-  if (warn_id_clash && (unsigned)len > id_clash_len)
+  if (warn_id_clash && len > id_clash_len)
     hash_len = id_clash_len;
 
   /* Compute hash code */
@@ -1282,7 +1283,7 @@ get_identifier (text)
       return idp;		/* <-- return if found */
 
   /* Not found; optionally warn about a similar identifier */
-  if (warn_id_clash && do_identifier_warnings && (unsigned)len >= id_clash_len)
+  if (warn_id_clash && do_identifier_warnings && len >= id_clash_len)
     for (idp = hash_table[hi]; idp; idp = TREE_CHAIN (idp))
       if (!strncmp (IDENTIFIER_POINTER (idp), text, id_clash_len))
 	{
@@ -1329,7 +1330,7 @@ maybe_get_identifier (text)
 
   /* Decide how much of that length to hash on */
   hash_len = len;
-  if (warn_id_clash && (unsigned)len > id_clash_len)
+  if (warn_id_clash && len > id_clash_len)
     hash_len = id_clash_len;
 
   /* Compute hash code */
@@ -2282,12 +2283,15 @@ expr_align (t)
       align1 = expr_align (TREE_OPERAND (t, 2));
       return MIN (align0, align1);
 
-    case FUNCTION_DECL:  case LABEL_DECL:  case CONST_DECL:
+    case LABEL_DECL:     case CONST_DECL:
     case VAR_DECL:       case PARM_DECL:   case RESULT_DECL:
       if (DECL_ALIGN (t) != 0)
 	return DECL_ALIGN (t);
       break;
 
+    case FUNCTION_DECL:
+      return FUNCTION_BOUNDARY;
+
     default:
       break;
     }