tree-cfg.c (verify_expr): Check with is_gimple_address.

2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

	* tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
	check TREE_INVARIANT.
	* tree-gimple.c (is_gimple_address): New.
	(is_gimple_invariant_address): Simplify using decl_address_invariant_p.
	* tree-gimple.h (is_gimple_address): New.
	* tree.h (decl_address_invariant_p): New.
	* tree.c (make_node_stat): Don't set TREE_INVARIANT.
	(build_string): Likewise.
	(decl_address_invariant_p): New, from is_gimple_invariant_address.
	(tree_invariant_p_1): Likewise.
	(save_expr): Use it.
	(tree_invariant_p): New.
	(skip_simple_arithmetic): Use it.
	(stabilize_reference_1): Use it.
	(recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
	simplify.
	(build1_stat): Drop code to compute TREE_INVARIANT.
	(build2_stat): Drop code to compute TREE_INVARIANT.
	(build3_stat): Drop code to compute TREE_INVARIANT.
	(build4_stat): Drop code to compute TREE_INVARIANT.
	(build5_stat): Drop code to compute TREE_INVARIANT.
	(build7_stat): Drop code to compute TREE_INVARIANT.
	(merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
	* tree.h (struct tree_base): Remove invariant_flag.
	(TREE_INVARIANT): Remove.
	* builtins.c (build_string_literal): Don't set TREE_INVARIANT.
	(fold_builtin_expect): Check TREE_CONSTANT.
	* tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
	* c-tree.h (c_expr_to_decl): Drop third parameter.
	* c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
	(build_c_cast): Don't set TREE_INVARIANT.
	(pop_init_level): Don't set TREE_INVARIANT.
	(c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
	* gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
	TREE_CONSTANT.
	(gimplify_init_constructor): Don't set TREE_INVARIANT.
	(gimplify_addr_expr): Adjust comment.
	* tree-mudflap.c (mf_build_string):
	* print-tree.c (print_node): Don't print TREE_INVARIANT.
	* tree-nested.c (convert_nonlocal_reference): Adjust comment.
	* c-common.c (fix_string_type): Don't set TREE_INVARIANT.
	* langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
	* langhooks.c (lhd_expr_to_decl): Drop third parameter.
	* langhooks.h (struct lang_hooks): Drop third parameter from
	expr_to_decl.

java:
2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

	* class.c (build_utf8_ref): Don't set TREE_INVARIANT.
	(build_classdollar_field): Don't set TREE_INVARIANT.
	(get_dispatch_table): Don't set TREE_INVARIANT.
	(make_class_data): Don't set TREE_INVARIANT.
	(build_symbol_entry): Don't set TREE_INVARIANT.
	(emit_symbol_table): Don't set TREE_INVARIANT.
	* constants.c (build_constant_data_ref): Don't set TREE_INVARIANT.
	(build_ref_from_constant_pool): Don't set TREE_INVARIANT.
	* resource.c (compile_resource_data): Don't set TREE_INVARIANT.
	* expr.c (cache_cpool_data_ref): Don't set TREE_INVARIANT.

objc:
2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

	* objc-act.c (objc_build_string_object): Don't set TREE_INVARIANT.

cp:
2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

	* typeck.c (get_member_function_from_ptrfunc): Don't set TREE_INVARIANT.
	(build_ptrmemfunc1): Don't set TREE_INVARIANT.
	* init.c (build_zero_init): Don't set TREE_INVARIANT.
	* class.c (build_base_path): Don't set TREE_INVARIANT.
	(build_vtbl_ref_1): Don't set TREE_INVARIANT.
	(build_vtbl_initializer): Don't set TREE_INVARIANT.
	* decl.c (build_enumerator): Don't set TREE_INVARIANT.
	* rtti.c (tinfo_base_init): Don't set TREE_INVARIANT.
	(generic_initializer): Don't set TREE_INVARIANT.
	(ptr_initializer): Don't set TREE_INVARIANT.
	(ptm_initializer): Don't set TREE_INVARIANT.
	(class_initializer): Don't set TREE_INVARIANT.
	* typeck2.c (process_init_constructor): Don't set TREE_INVARIANT.
	* pt.c (push_inline_template_parms_recursive): Don't set TREE_INVARIANT.
	(build_template_parm_index): Don't set TREE_INVARIANT.
	(reduce_template_parm_level): Don't set TREE_INVARIANT.
	(process_template_parm): Don't set TREE_INVARIANT.

ada:
2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

	* trans.c (Attribute_to_gnu): Don't set TREE_INVARIANT.
	(call_to_gnu): Don't set TREE_INVARIANT.
	* utils2.c (gnat_build_constructor): Don't set TREE_INVARIANT.

fortran:
2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

	* trans-expr.c (gfc_conv_structure): Don't set TREE_INVARIANT.
	* trans-array.c (gfc_build_null_descriptor): Don't set TREE_INVARIANT.
	(gfc_trans_array_constructor_value): Don't set TREE_INVARIANT.
	(gfc_build_constant_array_constructor): Don't set TREE_INVARIANT.
	(gfc_conv_array_initializer): Don't set TREE_INVARIANT.
	* trans-common.c (get_init_field): Don't set TREE_INVARIANT.
	(create_common): Don't set TREE_INVARIANT.
	* trans-stmt.c (gfc_trans_character_select): Don't set TREE_INVARIANT.
	* trans-decl.c (gfc_generate_function_code): Don't set TREE_INVARIANT.

From-SVN: r134599

1 files changed, 2 insertions, 13 deletions

diff --git a/gcc/tree.h b/gcc/tree.h
index bdaf8d0..5821da7 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -387,7 +387,6 @@ struct tree_base GTY(())
   unsigned private_flag : 1;
   unsigned protected_flag : 1;
   unsigned deprecated_flag : 1;
-  unsigned invariant_flag : 1;
   unsigned saturating_flag : 1;
   unsigned default_def_flag : 1;
 
@@ -400,7 +399,7 @@ struct tree_base GTY(())
   unsigned lang_flag_6 : 1;
   unsigned visited : 1;
 
-  unsigned spare : 22;
+  unsigned spare : 23;
 
   /* FIXME tuples: Eventually, we need to move this somewhere external to
      the trees.  */
@@ -579,11 +578,6 @@ struct gimple_stmt GTY(())
 
    	Used in tree traversals to mark visited nodes.
 
-   invariant_flag:
-
-	TREE_INVARIANT in
-	    all expressions.
-
    saturating_flag:
 
        TYPE_SATURATING in
@@ -1372,12 +1366,6 @@ extern void omp_clause_range_check_failed (const_tree, const char *, int,
 #define IDENTIFIER_TRANSPARENT_ALIAS(NODE) \
   (IDENTIFIER_NODE_CHECK (NODE)->base.deprecated_flag)
 
-/* Value of expression is function invariant.  A strict subset of
-   TREE_CONSTANT, such an expression is constant over any one function
-   invocation, though not across different invocations.  May appear in
-   any expression node.  */
-#define TREE_INVARIANT(NODE) ((NODE)->base.invariant_flag)
-
 /* In fixed-point types, means a saturating type.  */
 #define TYPE_SATURATING(NODE) ((NODE)->base.saturating_flag)
 
@@ -4886,6 +4874,7 @@ extern tree strip_float_extensions (tree);
 
 /* In tree.c */
 extern int really_constant_p (const_tree);
+extern bool decl_address_invariant_p (const_tree);
 extern int int_fits_type_p (const_tree, const_tree);
 #ifndef GENERATOR_FILE
 extern void get_type_static_bounds (const_tree, mpz_t, mpz_t);