* lto-streamer.h (struct lto_streamer_cache_d): Remove offsets
	and next_slot members.
	(lto_streamer_cache_insert, lto_streamer_cache_insert_at,
	lto_streamer_cache_lookup, lto_streamer_cache_get): Adjust prototypes.
	(lto_streamer_cache_append): Declare.
	* lto-streamer.c (lto_streamer_cache_add_to_node_array): Use
	unsigned index, remove offset parameter, ensure that we append
	or update existing entries.
	(lto_streamer_cache_insert_1): Use unsigned index, remove offset_p
	parameter, update next_slot for append.
	(lto_streamer_cache_insert): Use unsigned index, remove offset_p
	parameter.
	(lto_streamer_cache_insert_at): Likewise.
	(lto_streamer_cache_append): New function.
	(lto_streamer_cache_lookup): Use unsigned index.
	(lto_streamer_cache_get): Likewise.
	(lto_record_common_node): Don't test tree_node_can_be_shared.
	(preload_common_node): Adjust call to lto_streamer_cache_insert.
	(lto_streamer_cache_delete): Don't free offsets member.
	* lto-streamer-out.c (eq_string_slot_node): Use memcmp.
	(lto_output_string_with_length): Use lto_output_data_stream.
	(lto_output_tree_header): Remove ix parameter, don't write it.
	(lto_output_builtin_tree): Likewise.
	(lto_write_tree): Adjust callers to above, don't track and write
	offset, write unsigned index.
	(output_unreferenced_globals): Don't emit all global vars.
	(write_global_references): Use unsigned indices.
	(lto_output_decl_state_refs): Likewise.
	(write_symbol): Likewise.
	* lto-streamer-in.c (lto_input_chain): Move earlier.
	(input_function): Use unsigned index.
	(input_alias_pairs): Don't read and then ignore all global vars.
	(lto_materialize_tree): Remove ix_p parameter, don't read index,
	don't pass it back, use lto_streamer_cache_append.
	(lto_register_var_decl_in_symtab): Use unsigned index.
	(lto_register_function_decl_in_symtab): Likewise.
	(lto_get_pickled_tree): Don't read in or handle offset, read unsigned
	index.
	(lto_get_builtin_tree): Don't read index, use
	lto_streamer_cache_append.
	(lto_read_tree): Adjust call to lto_materialize_tree.

	* ipa-inline.c (cgraph_edge_badness): Move growth calculaton,
	don't use function calls in arguments to MIN.

	* varasm.c (decl_binds_to_current_def_p): Don't check TREE_PUBLIC
	twice.

	* gimple.c (gimple_type_leader_entry): Mark deletable.

lto/
	* lto.c (lto_materialize_function): Don't read and then discard
	sections in WPA mode.
	(lto_read_in_decl_state): Adjust call to lto_streamer_cache_get.

	* lto-lang.c (registered_builtin_fndecls): Remove.
	(lto_getdecls): Return NULL_TREE.
	(lto_builtin_function): Don't remember in registered_builtin_fndecls.

From-SVN: r171906

	* dwarf2out.c (mem_loc_descriptor): Recurse on LO_SUM.

From-SVN: r171905

	* tree.c (free_lang_data_in_decl): Zero DECL_VINDEX if it's not
	an integer.
	* tree.h (tree_decl_non_common.vindex): Adjust comment.

From-SVN: r171904

	* cgraphbuild.c (record_reference): Canonicalize constructor
	values.
	* gimple-fold.c (canonicalize_constructor_val): Accept being called
	without function context.
	* cgraphunit.c (cgraph_finalize_compilation_unit): Clear
	current_function_decl and cfun.

From-SVN: r171903

	* tree.c (decl_init_priority_insert): Don't create entry for
	default priority.
	(decl_fini_priority_insert): Ditto.
	(fields_compatible_p, find_compatible_field): Remove.
	* tree.h (fields_compatible_p, find_compatible_field): Remove.
	* gimple.c (gimple_compare_field_offset): Adjust block comment.

From-SVN: r171902

From-SVN: r171901

tree-if-conv.c (memrefs_read_or_written_unconditionally): Strip all non-variable offsets and compare the remaining bases of the two...


	* tree-if-conv.c (memrefs_read_or_written_unconditionally): Strip all
	non-variable offsets and compare the remaining bases of the two
	accesses instead of looking for exact same data-ref.


Co-Authored-By: Ira Rosen <ira.rosen@linaro.org>

From-SVN: r171900

From-SVN: r171899

2011-04-02  Jonathan Wakely  <redi@gcc.gnu.org>

	PR libstdc++/48398
	* include/bits/unique_ptr.h (__tuple_type): Store pointer type.
	* testsuite/20_util/unique_ptr/modifiers/48398.cc: New.
	* testsuite/20_util/unique_ptr/requirements/pointer_type.cc: Remove
	unused parameter name.

From-SVN: r171894

From-SVN: r171893

2011-04-02  Kai Tietz  <ktietz@redhat.com>

        PR target/48416
        * i386.c (ix86_function_arg_boundary): Fix printf formatter.

From-SVN: r171892

From-SVN: r171891

2011-04-02  Kai Tietz  <ktietz@redhat.com>

	* i386.c (ix86_is_msabi_thiscall): New helper function.
	(ix86_is_type_thiscall): New helper function.
	(ix86_comp_type_attributes): Handle thiscall for method-functions
	special.
	(init_cumulative_args): Likewise.
	(find_drap_reg): Likewise.
	(ix86_static_chain): Likewise.
	(x86_this_parameter): Likewise.
	(x86_output_mi_thunk): Likewise.

From-SVN: r171890

	* gcc-interface/utils2.c (build_allocator): In the unconstrained array
	type case, do not strip a padding type around the array type.

From-SVN: r171888

	* gcc-interface/utils.c (update_pointer_to): Finalize named pointer
	types.

From-SVN: r171887

	* gcc-interface/lang.opt (feliminate-unused-debug-types): Delete.
	* gcc-interface/misc.c (gnat_handle_option): Remove special handling
	code for -feliminate-unused-debug-types
	(gnat_post_options): Likewise.

From-SVN: r171886

	* gcc-interface/utils.c (gnat_pushdecl): If this is a non-artificial
	declaration of a pointer type, then set DECL_ORIGINAL_TYPE to a
	distinct copy.

From-SVN: r171885

	* gcc-interface/decl.c (gnat_to_gnu_entity): Do not force the
	DECL_ARTIFICIAL flag on enumeration types.

From-SVN: r171884

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Do not make
	fat pointer types artificial unconditionally.
	<E_Array_Subtype>: Attach the base array type as a parallel type if it
	isn't artificial.

From-SVN: r171883

	* gcc-interface/gigi.h (get_dummy_type): Declare.
	(build_dummy_unc_pointer_types): Likewise.
	(finish_fat_pointer_type): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: If a dummy
	fat pointer type has been built, complete it in place.
	<E_Access_Type>: Call build_dummy_unc_pointer_types to build dummy fat
	and thin pointers.  Remove useless variable.
	(finish_fat_pointer_type): Make global and move to...
	* gcc-interface/utils.c (finish_fat_pointer_type): ...here.
	(get_dummy_type): New function.
	(build_dummy_unc_pointer_types): Likewise.
	(gnat_pushdecl): Propage the name to the anonymous variants only.
	(update_pointer_to): Only adjust the pointer types in the unconstrained
	array case.

From-SVN: r171882

	* gcc-interface/ada-tree.h (DECL_TAFT_TYPE_P): New flag.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Incomplete_Type>: Set it
	if this is a Taft amendment type and the full declaration is available.
	* gcc-interface/trans.c (process_type): Likewise.
	If there is an old type, mark the new one as used if DECL_TAFT_TYPE_P.
	(process_freeze_entity): Likewise.
	* gcc-interface/utils.c (dummy_global): New static variable.
	(gnat_write_global_declarations): If there are types declared as used
	at the global level, insert them in the global hash table.

From-SVN: r171881

	* gcc-interface/gigi.h (record_builtin_type): Add ARTIFICIAL_P param.
	* gcc-interface/utils.c (gnat_pushdecl): If this is a non-artificial
	declaration of an array type, then set DECL_ORIGINAL_TYPE to a distinct
	copy.
	(record_builtin_type): Add ARTIFICIAL_P parameter.  Set DECL_ARTIFICIAL
	flag of the type accordingly.
	* gcc-interface/trans.c (gigi): Adjust calls to record_builtin_type.

From-SVN: r171880

decl.c (gnat_to_gnu_entity): Defer finalizing types when updating the pointers to the designated type.

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Access_Type>: Defer
	finalizing types when updating the pointers to the designated type.
	<all>: Finalize the deferred types even if we didn't defer processing
	of incomplete types in this invocation.

From-SVN: r171879

From-SVN: r171868

From-SVN: r171867

	* dwarf2out.c (dwarf_attr_name): Map DW_AT_GNAT_descriptive_type.
	(add_gnat_descriptive_type_attribute): New function.
	(gen_array_type_die): Call it.
	(gen_enumeration_type_die): Likewise.
	(gen_struct_or_union_type_die): Likewise.
	(modified_type_die): Likewise.
	* langhooks.h (lang_hooks_for_types): New descriptive_type hook.
	* langhooks-def.h (LANG_HOOKS_DESCRIPTIVE_TYPE): Default to NULL.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_DESCRIPTIVE_TYPE.
ada/
	* gcc-interface/misc.c (gnat_descriptive_type): New function.
	(LANG_HOOKS_DESCRIPTIVE_TYPE): Redefine to gnat_descriptive_type.

Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com>
Co-Authored-By: Nicolas Setton <setton@adacore.com>

From-SVN: r171862

From-SVN: r171861

From Uros Bizjak.

From-SVN: r171860

From-SVN: r171858

	PR bootstrap/48148
	* dwarf2out.c (resolve_addr): Don't call force_decl_die
	if DECL_EXTERNAL has non-NULL DECL_ABSTRACT_ORIGIN.

	Revert:
	2011-03-17  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/48148
	* lto-cgraph.c (input_overwrite_node): Clear the abstract
	origin for decls in other ltrans units.
	(input_varpool_node): Likewise.

From-SVN: r171856

	PR middle-end/48335
	* expr.c (expand_assignment): Handle all possibilities
	if TO_RTX is CONCAT.
	* expmed.c (store_bit_field_1): Avoid trying to create
	invalid SUBREGs.
	(store_split_bit_field): If SUBREG_REG (op0) or
	op0 itself has smaller mode than word, return it
	for offset 0 and const0_rtx for out-of-bounds stores.
	If word is const0_rtx, skip it.

	* gcc.c-torture/compile/pr48335-1.c: New test.
	* gcc.dg/pr48335-1.c: New test.
	* gcc.dg/pr48335-2.c: New test.
	* gcc.dg/pr48335-3.c: New test.
	* gcc.dg/pr48335-4.c: New test.
	* gcc.dg/pr48335-5.c: New test.
	* gcc.dg/pr48335-6.c: New test.
	* gcc.dg/pr48335-7.c: New test.
	* gcc.dg/pr48335-8.c: New test.
	* gcc.target/i386/pr48335-1.c: New test.

From-SVN: r171855

	* config/h8300/h8300.c (print_operand_address): Rename to...
	(h8300_print_operand_address): ...this. Make static. Adjust comments.
	Call h8300_print_operand and h8300_print_operand_address instead of
	print_operand and print_operand_address. Declare.
	(print_operand): Renake to...
	(h8300_print_operand): ...this. Make static. Adjust comments.
	Call h8300_print_operand instead of print_operand. Declare.
	(h8300_print_operand_punct_valid_p): Moved from h8300.h file.
	(h8300_register_move_cost): Likewise.
	(TARGET_PRINT_OPERAND_PUNCT_VALID_P, TARGET_PRINT_OPERAND
	TARGET_PRINT_OPERAND_ADDRESS, TARGET_REGISTER_MOVE_COST): Define.
	* config/h8300/h8300.h (PRINT_OPERAND_ADDRESS, PRINT_OPERAND
	PRINT_OPERAND_PUNCT_VALID_P, REGISTER_MOVE_COST): Delete.
	* config/h8300/h8300-protos.h (print_operand): Delete.
	(print_operand_address): Delete.

From-SVN: r171853

PR 48400
* dwarf2out.c (dwarf2out_source_line): Disable discriminators
in strict mode before dwarf4.  Re-order tests to early out
before switching sections.

From-SVN: r171852

	* config/h8300/constraints.md: New file.
	* config/h8300/h8300.md: Include it.  Use satisfies_constraint_J,
	satisfies_constraint_L, and satisfies_constraint_N for peephole2s.
	(*tst_extzv_1_n, *tstsi_variable_bit_qi): Use satisfies_constraint_U.
	* config/h8300/predicates.md (bit_operand): Likewise.
	(incdec_operand): Use satisfies_constraint_M and
	satisfies_constraint_O.  Don't use C code block.
	* config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Delete.
	* config/h8300/h8300.c (h8300_reg_class_from_letter): Delete.
	(compute_mov_length): Use satisfies_constraint_G.
	(fix_bit_operand): Use satisfies_constraint_U.
	* config/h8300/h8300.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Delete.
	(CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O): Delete.
	(CONST_OK_FOR_Ppositive, CONST_OK_FOR_Pnegative): Delete.
	(CONST_OK_FOR_P, CONSTRAINT_LEN_FOR_P): Delete.
	(CONST_OK_FOR_CONSTRAINT_P, CONST_OK_FOR_LETTER_P): Delete.
	(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(OK_FOR_Q, OK_FOR_R, OK_FOR_S, OK_FOR_T, OK_FOR_U, OK_FOR_WU): Delete.
	(OK_FOR_W, CONSTRAINT_LEN_FOR_W, OK_FOR_Y2, OK_FOR_Y0): Delete.
	(OK_FOR_Y, CONSTRAINT_LEN_FOR_Y, OK_FOR_Z): Delete.
	(EXTRA_CONSTRAINT_STR, CONSTRAINT_LEN): Delete.
	(EXTRA_MEMORY_CONSTRAINT): Delete.

From-SVN: r171851

	PR c/36299
	* gcc.dg/Waddress.c: New test.

From-SVN: r171850

2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/48352
	* frontend-passes (cfe_register_funcs):  Don't
	register functions if they appear as iterators in DO loops.

2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/48352
	* gfortran.dg/function_optimize_3.f90:  New test.

From-SVN: r171849

	* configure.ac (avr-*-*): Add comment about why libssp is disabled.
	(microblaze*): Don't disable libssp.
	* configure: Regenerate.

From-SVN: r171848

Co-Authored-By: Michael Meissner <meissner@linux.vnet.ibm.com>

From-SVN: r171847

        * dwarf2out.c (dwarf2out_finish): Don't add low_pc and/or
        high_pc attribute if the CU has no associated code. Only output
        DW_AT_entry_pc for CU if not generating strict dwarf and
        dwarf_version < 4.

From-SVN: r171846

	* haifa-sched.c (prune_ready_list): New function, broken out of
	schedule_block.
	(schedule_block): Use it.

From-SVN: r171845