Merge basic-improvements-branch to trunk

From-SVN: r60174

1 files changed, 24 insertions, 17 deletions

diff --git a/gcc/tree.h b/gcc/tree.h
index 36e7fd4..0b99b40 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -202,6 +202,8 @@ struct tree_common GTY(())
            TREE_LIST or TREE_VEC
        TREE_PRIVATE in
            ..._DECL
+       CALL_EXPR_HAS_RETURN_SLOT_ADDR in
+           CALL_EXPR
 
    protected_flag:
 
@@ -638,6 +640,10 @@ extern void tree_vec_elt_check_failed PARAMS ((int, int, const char *,
    an exception.  In a CALL_EXPR, nonzero means the call cannot throw.  */
 #define TREE_NOTHROW(NODE) ((NODE)->common.nothrow_flag)
 
+/* In a CALL_EXPR, means that the address of the return slot is part of the
+   argument list.  */
+#define CALL_EXPR_HAS_RETURN_SLOT_ADDR(NODE) ((NODE)->common.private_flag)
+
 /* In a type, nonzero means that all objects of the type are guaranteed by the
    language or front-end to be properly aligned, so we can indicate that a MEM
    of this type is aligned at least to the alignment of the type, even if it
@@ -2247,7 +2253,9 @@ extern tree make_unsigned_type		PARAMS ((int));
 extern void initialize_sizetypes	PARAMS ((void));
 extern void set_sizetype		PARAMS ((tree));
 extern void fixup_unsigned_type		PARAMS ((tree));
+extern tree build_pointer_type_for_mode PARAMS ((tree, enum machine_mode));
 extern tree build_pointer_type		PARAMS ((tree));
+extern tree build_reference_type_for_mode PARAMS ((tree, enum machine_mode));
 extern tree build_reference_type 	PARAMS ((tree));
 extern tree build_type_no_quals 	PARAMS ((tree));
 extern tree build_index_type		PARAMS ((tree));
@@ -2271,11 +2279,9 @@ extern int tree_int_cst_lt		PARAMS ((tree, tree));
 extern int tree_int_cst_compare         PARAMS ((tree, tree));
 extern int host_integerp		PARAMS ((tree, int));
 extern HOST_WIDE_INT tree_low_cst	PARAMS ((tree, int));
-extern int tree_int_cst_msb		PARAMS ((tree));
 extern int tree_int_cst_sgn		PARAMS ((tree));
 extern int tree_expr_nonnegative_p	PARAMS ((tree));
 extern int rtl_expr_nonnegative_p	PARAMS ((rtx));
-extern int index_type_equal		PARAMS ((tree, tree));
 extern tree get_inner_array_type	PARAMS ((tree));
 
 /* From expmed.c.  Since rtl.h is included after tree.h, we can't
@@ -2427,6 +2433,12 @@ extern tree build_qualified_type        PARAMS ((tree, int));
 
 extern tree build_type_copy		PARAMS ((tree));
 
+/* Finish up a builtin RECORD_TYPE. Give it a name and provide its
+   fields. Optionally specify an alignment, and then lsy it out.  */
+
+extern void finish_builtin_struct		PARAMS ((tree, const char *,
+							 tree, tree));
+
 /* Given a ..._TYPE node, calculate the TYPE_SIZE, TYPE_SIZE_UNIT,
    TYPE_ALIGN and TYPE_MODE fields.  If called more than once on one
    node, does nothing except for the first time.  */
@@ -2473,8 +2485,6 @@ extern void set_lang_adjust_rli		PARAMS ((void (*) PARAMS
 extern record_layout_info start_record_layout PARAMS ((tree));
 extern tree bit_from_pos		PARAMS ((tree, tree));
 extern tree byte_from_pos		PARAMS ((tree, tree));
-extern void pos_from_byte		PARAMS ((tree *, tree *, unsigned int,
-						 tree));
 extern void pos_from_bit		PARAMS ((tree *, tree *, unsigned int,
 						 tree));
 extern void normalize_offset		PARAMS ((tree *, tree *,
@@ -2629,6 +2639,11 @@ extern int integer_all_onesp		PARAMS ((tree));
 
 extern int integer_pow2p		PARAMS ((tree));
 
+/* integer_nonzerop (tree x) is nonzero if X is an integer constant
+   with a nonzero value.  */
+
+extern int integer_nonzerop		PARAMS ((tree));
+
 /* staticp (tree x) is nonzero if X is a reference to data allocated
    at a fixed address in memory.  */
 
@@ -2810,7 +2825,6 @@ extern tree lhd_unsave_expr_now		PARAMS ((tree));
 
 /* In stmt.c */
 
-extern int in_control_zone_p			PARAMS ((void));
 extern void expand_fixups			PARAMS ((rtx));
 extern tree expand_start_stmt_expr		PARAMS ((int));
 extern tree expand_end_stmt_expr		PARAMS ((tree));
@@ -2867,7 +2881,6 @@ extern int pushcase_range			PARAMS ((tree, tree,
 						       tree (*) (tree, tree),
 						       tree, tree *));
 extern void using_eh_for_cleanups		PARAMS ((void));
-extern int stmt_loop_nest_empty			PARAMS ((void));
 
 /* In fold-const.c */
 
@@ -2911,9 +2924,10 @@ extern void rrotate_double	PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
 extern int operand_equal_p	PARAMS ((tree, tree, int));
 extern tree invert_truthvalue	PARAMS ((tree));
 
-extern tree fold_builtin		PARAMS ((tree));
-
-extern tree build_range_type PARAMS ((tree, tree, tree));
+/* In builtins.c */
+extern tree fold_builtin				PARAMS ((tree));
+extern enum built_in_function builtin_mathfn_code	PARAMS ((tree));
+extern tree build_function_call_expr			PARAMS ((tree, tree));
 
 /* In alias.c */
 extern void record_component_aliases		PARAMS ((tree));
@@ -2936,9 +2950,6 @@ extern int compare_tree_int		PARAMS ((tree,
 						 unsigned HOST_WIDE_INT));
 extern int type_list_equal		PARAMS ((tree, tree));
 extern int chain_member			PARAMS ((tree, tree));
-extern int chain_member_purpose		PARAMS ((tree, tree));
-extern int chain_member_value		PARAMS ((tree, tree));
-extern tree listify			PARAMS ((tree));
 extern tree type_hash_lookup		PARAMS ((unsigned int, tree));
 extern void type_hash_add		PARAMS ((unsigned int, tree));
 extern unsigned int type_hash_list	PARAMS ((tree));
@@ -2961,6 +2972,7 @@ extern void gcc_obstack_init		PARAMS ((struct obstack *));
 extern void init_ttree			PARAMS ((void));
 extern void build_common_tree_nodes	PARAMS ((int));
 extern void build_common_tree_nodes_2	PARAMS ((int));
+extern tree build_range_type		PARAMS ((tree, tree, tree));
 
 /* In function.c */
 extern void setjmp_protect_args		PARAMS ((void));
@@ -2987,7 +2999,6 @@ extern int aggregate_value_p		PARAMS ((tree));
 extern void free_temps_for_rtl_expr	PARAMS ((tree));
 extern void instantiate_virtual_regs	PARAMS ((tree, rtx));
 extern void unshare_all_rtl		PARAMS ((tree, rtx));
-extern int max_parm_reg_num		PARAMS ((void));
 extern void push_function_context	PARAMS ((void));
 extern void pop_function_context	PARAMS ((void));
 extern void push_function_context_to	PARAMS ((tree));
@@ -3074,7 +3085,6 @@ extern void expand_asm_operands		PARAMS ((tree, tree, tree, tree, int,
 						 const char *, int));
 extern int any_pending_cleanups		PARAMS ((int));
 extern void init_stmt_for_function	PARAMS ((void));
-extern int drop_through_at_end_p	PARAMS ((void));
 extern void expand_start_target_temps	PARAMS ((void));
 extern void expand_end_target_temps	PARAMS ((void));
 extern void expand_elseif		PARAMS ((tree));
@@ -3083,10 +3093,7 @@ extern void expand_decl			PARAMS ((tree));
 extern int expand_decl_cleanup		PARAMS ((tree, tree));
 extern int expand_decl_cleanup_eh	PARAMS ((tree, tree, int));
 extern void expand_anon_union_decl	PARAMS ((tree, tree, tree));
-extern void move_cleanups_up		PARAMS ((void));
 extern void expand_start_case_dummy	PARAMS ((void));
-extern void expand_end_case_dummy	PARAMS ((void));
-extern tree case_index_expr_type	PARAMS ((void));
 extern HOST_WIDE_INT all_cases_count	PARAMS ((tree, int *));
 extern void check_for_full_enumeration_handling PARAMS ((tree));
 extern void declare_nonlocal_label	PARAMS ((tree));