Makefile.in (tree-vn.o): New.

	* Makefile.in (tree-vn.o): New.
	(tree-ssa-pre.o): Don't depend on RTL_H.
	* tree-dfa.c (find_referenced_vars): Don't call init_tree_ssa.
	* tree-flow.h (struct var_ann_d): Remove field expr_set.
	(add_to_value, expressions_equal_p, get_value_handle, vn_compute,
	vn_lookup_or_add, vn_add, vn_lookup, vn_init, vn_delete): Declare.
	* tree-optimize.c (execute_init_datastructures): New local function.
	(pass_init_datastructures): New local variable.
	(init_tree_optimization_passes): Sequence pass_init_datastructures.
	* tree-pretty-print.c (MASK_POINTER): Remove.
	(dump_generic_node): Handle VALUE_HANDLE.
	* tree-ssa-pre.c: Move all value numbering routines to tree-vn.c.
	Update callers to use new function names.
	Use VALUE_HANDLE_ID and VALUE_HANDLE_EXPR_SET instead of
	variable annotations.
	* tree-ssa.c (init_tree_ssa): Call vn_init.
	(delete_tree_ssa): Call vn_delete.
	* tree-vn.c: New file.
	* tree.c (tree_size): Handle VALUE_HANDLE.
	(tree_node_structure): Likewise.
	(iterative_hash_expr): Likewise.
	* tree.def (VALUE_HANDLE): New code.
	* tree.h (struct tree_value_handle): New.
	(VALUE_HANDLE_ID): Define.
	(VALUE_HANDLE_EXPR_SET): Define.
	(enum tree_node_structure_enum): Add TS_VALUE_HANDLE.
	(union tree_node): Add struct tree_value_handle.

From-SVN: r83564

1 files changed, 4 insertions, 1 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 716bc35..25431d4 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -196,6 +196,7 @@ tree_size (tree node)
 
 	case STATEMENT_LIST:	return sizeof (struct tree_statement_list);
 	case BLOCK:		return sizeof (struct tree_block);
+	case VALUE_HANDLE:	return sizeof (struct tree_value_handle);
 
 	default:
 	  return lang_hooks.tree_size (code);
@@ -1497,6 +1498,7 @@ tree_node_structure (tree t)
     case PLACEHOLDER_EXPR:	return TS_COMMON;
     case STATEMENT_LIST:	return TS_STATEMENT_LIST;
     case BLOCK:			return TS_BLOCK;
+    case VALUE_HANDLE:		return TS_VALUE_HANDLE;
 
     default:
       abort ();
@@ -3851,7 +3853,8 @@ iterative_hash_expr (tree t, hashval_t val)
   code = TREE_CODE (t);
   class = TREE_CODE_CLASS (code);
 
-  if (class == 'd')
+  if (class == 'd'
+      || TREE_CODE (t) == VALUE_HANDLE)
     {
       /* Decls we can just compare by pointer.  */
       val = iterative_hash_object (t, val);