* expmed.c (expmed_mult_highpart): Rename from expand_mult_highpart.
        (expmed_mult_highpart_optab): Rename from expand_mult_highpart_optab.
        * optabs.c (can_mult_highpart_p): New.
        (expand_mult_highpart): New.
        * expr.c (expand_expr_real_2) [MULT_HIGHPART_EXPR): Use it.
        * tree-vect-generic.c (expand_vector_operations_1): Don't expand
        by pieces if can_mult_highpart_p.
        (expand_vector_divmod): Use can_mult_highpart_p and always
        generate MULT_HIGHPART_EXPR.
        * tree-vect-patterns.c (vect_recog_divmod_pattern): Likewise.
        * tree-vect-stmts.c (vectorizable_operation): Likewise.

From-SVN: r189407

        * config/spu/spu-builtins.md (spu_mpy): Move to spu.md.
        (spu_mpyu, spu_mpyhhu, spu_mpyhh): Likewise.
        * config/spu/spu.md (vec_widen_smult_odd_v8hi): Rename from spu_mpy.
        (vec_widen_umult_odd_v8hi): Rename from spu_mpyu.
        (vec_widen_smult_even_v8hi): Rename from spu_mpyhh.
        (vec_widen_umult_even_v8hi): Rename from spu_mpyhhu.
        * config/spu/spu-builtins.def: Update pattern names to match.

From-SVN: r189406

        * config/rs6000/altivec.md (vec_widen_umult_even_v16qi): Rename
        from altivec_vmuleub.
        (vec_widen_smult_even_v16qi): Rename from altivec_vmulesb.
        (vec_widen_umult_even_v8hi): Rename from altivec_vmuleuh.
        (vec_widen_smult_even_v8hi): Rename from altivec_vmulesh.
        (vec_widen_umult_odd_v16qi): Rename from altivec_vmuloub.
        (vec_widen_smult_odd_v16qi): Rename from altivec_vmulosb.
        (vec_widen_umult_odd_v8hi): Rename from altivec_vmulouh.
        (vec_widen_smult_odd_v8hi): Rename from altivec_vmulosh.
        * config/rs6000/rs6000-builtin.def: Update pattern names to match.

From-SVN: r189405

        * config/i386/sse.md (vec_widen_umult_even_v8si): Rename from
        avx2_umulv4siv4di3.
        (vec_widen_umult_even_v4si): Rename from sse2_umulv2siv2di3.
        (vec_widen_smult_even_v8si): Rename from avx2_mulv4siv4di3.
        (mulv4si3): Remove XOP test shadowed by SSE4 test.
        * config/i386/i386.c (bdesc_args): Update pattern names.
        (ix86_expand_sse2_mulvxdi3): Likewise.
        (ix86_expand_mul_widen_evenodd): Likewise.  Remove XOP test
        shadowed by SSE4 test.

From-SVN: r189404

        * tree.def (VEC_WIDEN_MULT_EVEN_EXPR, VEC_WIDEN_MULT_ODD_EXPR): New.
        * cfgexpand.c (expand_debug_expr): Handle them.
        * expr.c (expand_expr_real_2): Likewise.
        * fold-const.c (fold_binary_loc): Likewise.
        * gimple-pretty-print.c (dump_binary_rhs): Likewise.
        * optabs.c (optab_for_tree_code): Likewise.
        * tree-cfg.c (verify_gimple_assign_binary): Likewise.
        * tree-inline.c (estimate_operator_cost): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree.c (commutative_tree_code): Likewise.
        * tree-vect-generic.c (expand_vector_operations_1): Likewise.
        Handle type change before looking up optab.
        * optabs.h (OTI_vec_widen_umult_even, OTI_vec_widen_umult_odd): New.
        (OTI_vec_widen_smult_even, OTI_vec_widen_smult_odd): New.
        (vec_widen_umult_even_optab, vec_widen_umult_odd_optab): New.
        (vec_widen_smult_even_optab, vec_widen_smult_odd_optab): New.
        * genopinit.c (optabs): Initialize them.
        * doc/md.texi: Document them.

From-SVN: r189403

2012-07-10  Dehao Chen  <dehao@google.com>

	* tree.h (phi_arg_d): New field.
	* tree-flow-inline.h (gimple_phi_arg_block): New function.
	(gimple_phi_arg_block_from_edge): New function.
	(gimple_phi_arg_set_block): New function.
	(gimple_phi_arg_has_block): New function.
	(redirect_edge_var_map_block): New function.
	* tree-flow.h (_edge_var_map): New field.
	* tree-ssa-live.c (remove_unused_locals): Mark phi_arg's block
	as used.
	* tree-eh.c (cleanup_empty_eh_merge_phis): Add block debug info for
	redirect_edge_var_map_add.
	* tree-outof-ssa.c (_elim_graph): New field.
	(insert_partition_copy_on_edge): New parameter.
	(insert_value_copy_on_edge): New parameter.
	(insert_rtx_to_part_on_edge): New parameter.
	(insert_part_to_rtx_on_edge): New parameter.
	(elim_graph_add_edge): New parameter.
	(elim_graph_remove_succ_edge): New parameter.
	(FOR_EACH_ELIM_GRAPH_SUCC): New parameter.
	(FOR_EACH_ELIM_GRAPH_PRED): New parameter.
	(new_elim_graph): Add block debug info.
	(clear_elim_graph): Likewise.
	(delete_elim_graph): Likewise.
	(elim_graph_add_node): Likewise.
	(elim_graph_add_edge): Likewise.
	(elim_graph_remove_succ_edge): Likewise.
	(eliminate_build): Likewise.
	(elim_forward): Likewise.
	(elim_unvisited_predecessor): Likewise.
	(elim_backward): Likewise.
	(elim_create): Likewise.
	(eliminate_phi): Likewise.
	(insert_backedge_copies): Likewise.
	* tree-into-ssa.c (insert_phi_nodes_for): Add block debug info for
	add_phi_arg.
	(rewrite_add_phi_arguments): Likewise.
	* tree-ssa-loop-im.c (execute_sm_if_changed): Likewise.
	* tree-ssa-tail-merge.c (replace_block_by): Likewise.
	* tree-ssa-threadupdate.c (copy_phi_args): Likewise.
	* tree-loop-distribution.c (update_phis_for_loop_copy): Likewise.
	* tree-ssa-loop-manip.c (create_iv): Likewise.
	(add_exit_phis_edge): Likewise.
	(split_loop_exit_edge): Likewise.
	(copy_phi_node_args): Likewise.
	(tree_transform_and_unroll_loop): Likewise.
	* value-prof.c (gimple_ic): Likewise.
	(gimple_stringop_fixed_value): Likewise.
	* tree-tailcall.c (add_successor_phi_arg): Likewise.
	(eliminate_tail_call): Likewise.
	(create_tailcall_accumulator): Likewise.
	(tree_optimize_tail_calls_1): Likewise.
	* tree-phinodes.c (add_phi_arg): Likewise.
	(make_phi_node): Likewise.
	(resize_phi_node): Likewise.
	(remove_phi_arg_num): Likewise.
	* omp-low.c (expand_parallel_call): Likewise.
	(expand_omp_for_static_chunk): Likewise.
	* tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop):
	Likewise.
	(slpeel_update_phi_nodes_for_guard1): Likewise.
	(slpeel_update_phi_nodes_for_guard2): Likewise.
	(slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
	(set_prologue_iterations): Likewise.
	(slpeel_tree_peel_loop_to_edge): Likewise.
	(vect_loop_versioning): Likewise.
	* tree-parloops.c (create_phi_for_local_result): Likewise.
	(transform_to_exit_first_loop): Likewise.
	(create_parallel_loop): Likewise.
	* ipa-split.c (split_function): Likewise.
	* tree-vect-loop.c (get_initial_def_for_induction): Likewise.
	(vect_create_epilog_for_reduction): Likewise.
	* tree-vect-data-refs.c (vect_setup_realignment): Likewise.
	* graphite-scop-detection.c (canonicalize_loop_closed_ssa): Likewise.
	* tree-ssa-phiopt.c (cond_store_replacement): Likewise.
	(cond_if_else_store_replacement_1): Likewise.
	* tree-cfgcleanup.c (remove_forwarder_block): Likewise.
	(remove_forwarder_block_with_phi): Likewise.
	* tree-ssa-pre.c (insert_into_preds_of_block): Likewise.
	* tree-predcom.c (initialize_root_vars): Likewise.
	(initialize_root_vars_lm): Likewise.
	* sese.c (sese_add_exit_phis_edge): Likewise.
	* tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
	* tree-ssa.c (flush_pending_stmts): Likewise.
	(redirect_edge_var_map_add): Likewise.
	(ssa_redirect_edge): Likewise.
	* gimple-streamer-in.c (input_phi): Likewise.
	* tree-vect-stmts.c (vectorizable_load): Likewise.
	* tree-inline.c (copy_phis_for_bb): Likewise.
	* tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
	* tree-switch-conversion.c (fix_phi_nodes): Likewise.
	* tree-cfg.c (reinstall_phi_args): Likewise.
	(gimple_make_forwarder_block): Likewise.
	(add_phi_args_after_copy_edge): Likewise.
	(gimple_duplicate_sese_tail): Likewise.

From-SVN: r189402

From-SVN: r189401

	DR 1402
	PR c++/53733
	* cp-tree.h (FNDECL_SUPPRESS_IMPLICIT_DECL): New.
	(struct lang_decl_fn): Add suppress_implicit_decl field.
	* method.c (implicitly_declare_fn): Check it.
	(process_subob_fn): Add no_implicit_p parm.
	(walk_field_subobs, synthesized_method_walk): Likewise.
	(maybe_explain_implicit_delete): Adjust.
	(explain_implicit_non_constexpr): Adjust.

From-SVN: r189396

	* method.c (synthesized_method_walk): Avoid changing
	EH spec based on cleanups in other places, too.

From-SVN: r189395

	PR target/53886
	* config/sh/sh.c (sequence_insn_p): New function.
	(find_barrier, sh_insn_length_adjustment): Use it.

From-SVN: r189394

gcc/cp/ChangeLog
2012-07-09  Sterling Augustine  <saugustine@google.com>

	* error.c (lang_decl_name): Use TFF_UNQUALIFIED_NAME flag.

gcc/testsuite/ChangeLog
2012-07-09  Sterling Augustine  <saugustine@google.com>

	* g++.dg/debug/dwarf2/pubnames-2.C: New.

From-SVN: r189392

	PR target/53283
	* config/i386/i386.c (ix86_fold_builtin): Call SUBTARGET_FOLD_BUILTIN
	if defined.
	* config/darwin.h: Rename TARGET_FOLD_BUILTIN to
	SUBTARGET_FOLD_BUILTIN.
	* config/rs6000/darwin.h: Map TARGET_FOLD_BUILTIN onto
	SUBTARGET_FOLD_BUILTIN.

From-SVN: r189391

darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Move NeXT runtime exceptions model setting from here ...



	* config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Move NeXT
	runtime exceptions model setting from here ...
	* config/darwin.c (darwin_override_options): ... to here.

From-SVN: r189390

gcc/
	PR tree-optimization/53887
	* tree-cfg.c (group_case_labels_stmt): Make non-static.
	* tree-flow.h (group_case_labels_stmt): Add prototype.
	* tree-switch-conversion.c (process_switch): Use group_case_labels_stmt
	to pre-process every switch.

testsuite/
	PR tree-optimization/53887
	* gcc.dg/pr53887.c: New test.

From-SVN: r189389

	PR c++/53882
	* tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
	(type_hash_eq): Likewise.

From-SVN: r189386

2012-07-09  Pascal Obry  <obry@adacore.com>

	* prj.adb (For_Every_Project_Imported_Context): Make sure we
	callback with the project having sources.
	Minor reformatting.

2012-07-09  Eric Botcazou  <ebotcazou@adacore.com>

	* make.adb: Fix typo.

From-SVN: r189385

2012-07-09  Tom de Vries  <tom@codesourcery.com>
	    Richard Guenther  <rguenther@suse.de>

	* gcc.dg/builtin-unreachable-6.c: New test.
	* gcc.dg/builtin-unreachable-5.c: New test.

Co-Authored-By: Richard Guenther <rguenther@suse.de>

From-SVN: r189384

2012-07-09  Tom de Vries  <tom@codesourcery.com>
	    Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (optimize_unreachable): New function.
	(execute_fold_all_builtins): Use optimize_unreachable to optimize
	BUILT_IN_UNREACHABLE.  Don't optimize after BUILT_IN_UNREACHABLE.

Co-Authored-By: Richard Guenther <rguenther@suse.de>

From-SVN: r189383

From-SVN: r189381

2012-07-09  Vincent Pucci  <pucci@adacore.com>

	* sem_ch9.adb (Check_Node): Allow attributes
	that denote static function for lock-free implementation.
	(Is_Static_Function): New routine.

2012-07-09  Tristan Gingold  <gingold@adacore.com>

	* tracebak.c: Adjust skip_frames on Win64.

2012-07-09  Tristan Gingold  <gingold@adacore.com>

	* init.c: Add __gnat_adjust_context_for_raise for ia64/hpux.
	* raise-gcc.c: __gnat_cleanupunwind_handler: Do not call
	_Unwind_GetGR on hpux when using libgcc unwinder.  Part of

2012-07-09  Vincent Pucci  <pucci@adacore.com>

	* exp_attr.adb, sem_attr.adb: Minor reformatting.
	* par-ch13.adb, par-ch4.adb, par-util.adb: Reformatting
	considering that internal attribute names are not defined anymore
	in the main attribute names list.
	* snames.adb-tmpl (Get_Attribute_Id): Special processinf
	for names CPU, Dispatching_Domain and Interrupt_Priority.
	(Is_Internal_Attribute_Name): Minor reformatting.
	* snames.ads-tmpl: New list of internal attribute names. Internal
	attributes moved at the end of the attribute Id list.

From-SVN: r189380

2012-07-09  Robert Dewar  <dewar@adacore.com>

	* freeze.adb: Minor code reorganization (use Ekind_In).
	* exp_attr.adb, sem_ch9.adb par-ch4.adb, s-taprop-mingw.adb,
	sem_attr.adb, exp_ch8.adb, snames.adb-tmpl, par-util.adb,
	sem_ch13.adb, snames.ads-tmpl: Minor reformatting.

2012-07-09  Tristan Gingold  <gingold@adacore.com>

	* raise-gcc.c: Adjust previous patch.

2012-07-09  Vincent Celier  <celier@adacore.com>

	* make.adb (Compilation_Phase): Do not build libraries in
	Codepeer mode (do not call Library_Phase).

From-SVN: r189379

2012-07-09  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb: Extend previous change to elementary types.

2012-07-09  Javier Miranda  <miranda@adacore.com>

	* exp_ch8.adb (Expand_N_Subprogram_Renaming_Declaration): Reverse
	previous patch since unconditionally handling as renaming_as_body
	renamings of predefined dispatching equality and unequality operator
	cause visibility problems with private overridings of the equality
	operator (see ACATS C854001).

2012-07-09  Vincent Pucci  <pucci@adacore.com>

	* exp_attr.adb (Signal_Bad_Attribute): Raise Program_Error in
	case of internal attribute names (already rejected by the parser).
	* par-ch13.adb (P_Representation_Clause): Complain if an internal
	attribute name that comes from source occurs.
	* par-ch4.adb (P_Name): Complain if an internal attribute name
	occurs in the context of an attribute reference.
	* par-util.adb (Signal_Bad_Attribute): Don't complain about
	mispelling attribute with internal attributes.
	* sem_attr.adb (Analyze_Attribute): Raise Program_Error in case
	of internal attribute names (already rejected by the parser).
	* snames.adb-tmpl (Is_Internal_Attribute_Name): New routine.
	* snames.ads-tmpl: Attributes CPU, Dispatching_Domain and
	Interrupt_Priority are marked as INT attributes since they
	don't denote real attribute and are only used internally in
	the compiler.
	(Is_Internal_Attribute_Name): New routine.

From-SVN: r189378

2012-07-09  Thomas Quinot  <quinot@adacore.com>

	* einfo.adb (Set_Reverse_Storage_Order): Update assertion,
	flag is now valid for array types as well.

2012-07-09  Tristan Gingold  <gingold@adacore.com>

	* tracebak.c: Implement __gnat_backtrace for Win64 SEH.

2012-07-09  Robert Dewar  <dewar@adacore.com>

	* einfo.ads: Minor reformatting.

2012-07-09  Javier Miranda  <miranda@adacore.com>

	* exp_ch8.adb (Expand_N_Subprogram_Renaming_Declaration): Handle as
	renaming_as_body renamings of predefined dispatching equality
	and unequality operators.

2012-07-09  Robert Dewar  <dewar@adacore.com>

	* rident.ads: Do not instantiate r-ident.ads, this is now an
	independent unit.

2012-07-09  Javier Miranda  <miranda@adacore.com>

	* exp_disp.adb (Write_DT): Avoid runtime crash of this debugging
	routine.
	* sem_disp.adb (Find_Dispatching_Time): Protect this routine
	against partially decorated entities.

2012-07-09  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb (Check_Size): Reject a size clause that specifies
	a value greater than Int'Last for a scalar type.

2012-07-09  Vincent Pucci  <pucci@adacore.com>

	* sem_ch9.adb (Allows_Lock_Free_Implementation): type must support
	atomic operation moved to the protected body case. No non-elementary
	out parameter moved to the protected declaration case. Functions have
	only one lock-free restriction.
	(Analyze_Protected_Type_Declaration): Issue a warning when
	Priority given with Lock_Free.

2012-07-09  Vincent Pucci  <pucci@adacore.com>

	* sem_dim.adb: Grammar of aspect Dimension fixed.

2012-07-09  Vincent Pucci  <pucci@adacore.com>

	* freeze.adb (Freeze_Record_Type): Code reorg in order to avoid
	pushing and popping the scope stack whenever a delayed aspect occurs.

2012-07-09  Gary Dismukes  <dismukes@adacore.com>

	* s-os_lib.ads: Remove pragma Elaborate_Body, as
	this is now unnecessary due to recently added pragma Preelaborate.

2012-07-09  Jose Ruiz  <ruiz@adacore.com>

	* s-taprop-mingw.adb (Set_Priority): Remove the code that was
	previously in place to reorder the ready queue when a task drops
	its priority due to the loss of inherited priority.

From-SVN: r189377

2012-07-09  Robert Dewar  <dewar@adacore.com>

	* layout.adb, i-cstrea.ads, a-ststio.ads, prj-util.ads, sem_cat.adb,
	s-commun.ads, s-ficobl.ads, s-os_lib.ads, s-fileio.ads: Minor
	reformatting.

2012-07-09  Eric Botcazou  <ebotcazou@adacore.com>

	* raise-gcc.c: Update comments. Fix typo.

2012-07-09  Thomas Quinot  <quinot@adacore.com>

	* einfo.adb, einfo.ads, sem_attr.adb, sem_ch13.adb: Attribute
	Scalar_Storage_Order can be defined or queried for array types as well
	as record types.

From-SVN: r189376

2012-07-09  Tristan Gingold  <gingold@adacore.com>

	* a-exexpr-gcc.adb (CleanupUnwind_Handler): Now imported from
	raise-gcc.c
	* raise-gcc.c (__gnat_cleanupunwind_handler): Defined.
	Strictly follow the ABI convention on ia64.

2012-07-09  Gary Dismukes  <dismukes@adacore.com>

	* a-ststio.ads: Add pragma Preelaborate, per AI05-0283.
	* i-cstrea.ads (max_path_len): Change from variable to deferred
	constant to allow it to be used as a bound in string component
	in type System.File_IO.Temp_File_Record.
	* s-os_lib.ads, s-commun.ads, s-ficobl.ads, s-fileio.ads: Add pragma
	Preelaborate.
	* s-fileio.adb (Get_Case_Sensitive): Move function inside
	procedure Open.
	(File_Names_Case_Sensitive): Move variable inside
	procedure Open, to avoid violation of Preelaborate restriction
	(due to call to Get_Case_Sensitive).

2012-07-09  Ed Schonberg  <schonberg@adacore.com>

	* layout.adb (Set_Elem_Alignment): Protect against meaningless
	size clause, to prevent overflow in internal computation of
	alignment.

From-SVN: r189375

re PR bootstrap/53898 (bootstrap failure: graphite-optimize-isl.c: ISO C forbids an empty translation unit)

2012-07-09  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/53898
	* graphite-optimize-isl.c: Make sure CU is not empty.

From-SVN: r189374

From Jakub Jelinek.

From-SVN: r189372

2012-07-09  Robert Dewar  <dewar@adacore.com>

	* freeze.adb, prj-util.adb, prj-util.ads, sem_ch13.adb: Minor
	reformatting.

2012-07-09  Gary Dismukes  <dismukes@adacore.com>

	* sem_cat.adb (Check_Categorization_Dependencies):
	Allow dependence of both Remote_Types and Remote_Call_Interface
	declarations (not just Remote_Types units) on preelaborated
	units, but require that the dependence be made via a private
	with_clause. Issue a specialized error message.

From-SVN: r189371

2012-07-09  Pascal Obry  <obry@adacore.com>

	* prj-util.adb, prj-util.ads (For_Interface_Sources): New routine.

From-SVN: r189370

2012-07-09  Tristan Gingold  <gingold@adacore.com>

	* seh_init.c (__gnat_SEH_error_handler): On Win64 and SEH,
	return for unknown exceptions.
	* raise-gcc.c (__gnat_personality_seh0): Call __gnat_SEH_error_handler.

2012-07-09  Joel Brobecker  <brobecker@adacore.com brobecker>

	* exp_dbug.ads (No_Dollar_In_Label): Delete.

2012-07-09  Vincent Pucci  <pucci@adacore.com>

	* sem_ch13.adb (Check_Overloaded_Name): New routine.

2012-07-09  Vincent Pucci  <pucci@adacore.com>

	* freeze.adb (Freeze_Record_Type): Analyze the delayed aspects of the
	components in a record type.

2012-07-09  Pascal Obry  <obry@adacore.com>

	* prj-util.ads: Minor reformatting.

From-SVN: r189369

2012-07-09  Tristan Gingold  <gingold@adacore.com>

	* raise-gcc.c (db_indent): Simplify style, improve comments.
	Remove !IN_RTS part (dead).

2012-07-09  Robert Dewar  <dewar@adacore.com>

	* usage.adb: Minor change to format of -gnatn line.

2012-07-09  Tristan Gingold  <gingold@adacore.com>

	* a-exexpr-gcc.adb: Reorder routine.

From-SVN: r189368

2012-07-09  Vincent Celier  <celier@adacore.com>

	* lib-writ.ads: Add documentation for the Z lines (implicitly
	withed units) and Y lines (limited withed units).

2012-07-09  Robert Dewar  <dewar@adacore.com>

	* lib.ads, exp_attr.adb, exp_ch9.adb, sem_dim.adb, sem_ch9.adb,
	sem_prag.adb, sem_ch12.adb, mlib-utl.adb, freeze.adb, sem_res.adb,
	sem_attr.adb, sem_case.adb, gnatlink.adb, exp_ch4.adb, sem_ch6.adb,
	sem_elim.adb, s-dimmks.ads, sem_ch13.adb: Minor code clean ups.

2012-07-09  Eric Botcazou  <ebotcazou@adacore.com>

	* gnat_ugn.texi (Switches for gcc): Document -gnatn[12] only
	lightly in the summary and more thoroughly in inlining section.
	(Performance Considerations): Document -gnatn[12] in inlining
	section.

2012-07-09  Tristan Gingold  <gingold@adacore.com>

	* a-exexpr-gcc.adb (Unhandled_Except_Handler): New procedure.
	(Unhandled_Others_Value): New const.
	* raise-gcc.c (GNAT_UNHANDLED_OTHERS): Define.
	(action_descriptor): Remove ttype_entry.
	(get_action_description_for): Do not assign ttype_entry.
	(is_handled_by): Consider GNAT_UNHANDLED_OTHERS.

From-SVN: r189367

gensupport.c (init_rtx_reader_args_cb): Start counting code generating patterns from 1 to free up 0 for CODE_FOR_nothing.

	* gensupport.c (init_rtx_reader_args_cb): Start counting code
	generating patterns from 1 to free up 0 for CODE_FOR_nothing.
	* gencodes.c (main): Give CODE_FOR_nothing the value 0.  Add
	the LAST_INSN_CODE marker at the end.
	* genoutput.c (nothing): New static struct data.
	(idata): Initialize to &nothing.
	(idata_end): Initialize to &nothing.next.
	(init_insn_for_nothing): New function to create dummy 'nothing' insn.
	(main): Use it.
	* genpeep.c (insn_code_number): Remove global variable.
	(gen_peephole): Take it as an argument instead.
	(main): Take insn_code_number from read_md_rtx.
	* optabs.h: Revert r161809:
	(optab_handlers): Change type of insn_code back to insn_code.
	(optab_handler, widening_optab_handler, set_optab_handler,
	set_widening_optab_handler, convert_optab_handler,
	set_convert_optab_handler, direct_optab_handler,
	set_direct_optab_handler): Remove int casts.
	Revert to treating the insn_code field as "insn_code".

From-SVN: r189366

From-SVN: r189365

	* config/sh/sh.md (*return_i): Move trap_exit attribute check to ...
	* config/sh/sh.c (sh_cfun_trap_exit_p): ... this new function.
	* config/sh/sh-protos.h: Declare it.

From-SVN: r189362

	* mcf.c: Do not include tm.h, tree.h, and langhooks.h.
	(dump_fixup_graph): Use current_function_name.
	(adjust_cfg_counts): Likewise.
	* ira-conflicts.c: Do not include tree.h.
	(ira_build_conflicts): Use REG_USERVAR_P instead of DECL_ARTIFICIAL.

From-SVN: r189361

	PR target/51244
	* config/sh/sh.md (*branch_true_eq, *branch_false_ne, nott): New insns.

From-SVN: r189360

gcc/
	* basic-block.h: Re-group most prototypes per file.
	(struct edge_list): Remove num_blocks field.
	(dump_bb_info): Adjust prototypes.
	(dump_reg_info): Move prototype to regs.h.
	* function.h: Do not include tree.h.
	Include vec.h, vecir.h, input.h and machmode.h to compensate.
	(function_name): New prototype.
	* gimple.h: Include tree.h to compensate for basic-block.h change.
	* langhooks.h: Note that tree.h is only necessary for enum tree_code.
	* regs.h (dump_reg_info): Prototype here.
	* regset.h: Adjust file reference in comment.
	(debug_regset): Remove prototype.
	* rtl.h: Include flags.h for flag_var_tracking_assignments.
	(MAY_HAVE_DEBUG_INSNS): Define as flag_var_tracking_assignments
	instead of no-longer-available tree.h's MAY_HAVE_DEBUG_STMTS.
	(dump_reg_info, dump_flow_info): Remove prototypes.
	* bb-reorder.c (set_edge_can_fallthru_flag): Move from cfganal.c
	to here, the only user.  Make static.
	(reorder_basic_blocks): Call dump_reg_info before dump_flow_info.
	* cfg.c: Do not include tm.h, tree.h, rtl.h, hard-reg-set.h, regs.h,
	flags.h, function.h, except.h, diagnostic-core.h, tm_p.h, timevar.h,
	tree-pass.h, cfgloop.h, and tree-flow.h.
	Include basic-block.h, the first header I'd expect to be included.
	(reg_obstack): Move to df-core.c.
	(free_edge): Remove bogus ATTRIBUTE_UNUSED.
	(remove_edge_raw): Do not call tree-ssa's redirect_edge_var_map_clear.
	(redirect_edge_succ_nodup): Move to cfghooks.c.
	(dump_regset, debug_regset): Move to df-core.c.
	(dump_bb_info): Move to cfgrtl.c.
	(dump_reg_info): Move to regstat.c.
	(dump_flow_info): Move to cfgrtl.c.
	(debug_flow_info): Likewise.
	(dump_edge_info): Do not look at cfun, a CFG without cfun is nonsense.
	* cfganal.c: Do not include tm.h, rtl.h, obstack.h, hard-reg-set.h,
	insn-config.h, recog.h, diagnostic-core.h, tm_p.h, and cfgloop.h.
	(flow_active_insn_p, forwarder_block_p, can_fallthru,
	could_fall_through): Move to cfgrtl.c.
	(set_edge_can_fallthru_flag): Moved to bb-reorder.c.
	(create_edge_list): Do not set edge_list's removed num_blocks.
	(print_edge_list): Look at n_basic_blocks instead of num_blocks.
	(flow_nodes_print): Remove.
	(flow_edge_list_print): Remove.
	(inverted_post_order_compute): Use FOR_ALL_BB.
	*cfgrtl.c (dump_flow_info): Moved from cfg.c.
	Do not call dump_reg_info.
	(debug_flow_info): Moved from cfg.c
	(dump_bb_info): Moved from cfg.c.  Take 'verbose' argument
	to avoid looking at TDF_* flags from tree-pass.h.
	(flow_active_insn_p, forwarder_block_p, can_fallthru,
	could_fall_through): Moved from cfganal.c.
	(print_rtl_with_bb): Adjust dump_bb_info calls.
	* cfghooks.c (redirect_edge_succ_nodup): Moved from cfg.c.
	(remove_edge): Call redirect_edge_var_map_clear if IR_GIMPLE.
	(cfgcleanup.c): Look at MAY_HAVE_DEBUG_INSNS, not MAY_HAVE_DEBUG_STMTS.
	* cselib.c: Include tree.h with a FIXME.
	* df-core.c (reg_obstack): Moved from cfg.c.
	(dump_regset): Likewise.
	(debug_regset): Likewise.  Make a DEBUG_FUNCTION.
	* final.c (compute_alignments): Call dump_reg_info before
	dump_flow_info.
	* function.c (function_name): New function.
	(current_function_name): Use it.
	* ifcvt.c (rest_of_handle_if_conversion): Call dump_reg_info before
	dump_flow_info.
	* ira-conflicts.c: Include tree.h with a note.
	* regstat.c (dump_reg_info): Moved here from cfg.c.
	* loop-init.c: Include regs.h instead of hard-reg-set.h.
	(rtl_loop_init): Call dump_reg_info before dump_flow_info.
	(rtl_loop_done): Likewise.
	* mcf.c: Include tree.h before langhooks.h.
	* predict.c (maybe_hot_count_p): Assert we have cfun.
	(probably_never_executed_bb_p): Likewise.
	* profile.c (compute_branch_probabilities): Use gimple_dump_cfg
	instead of dump_flow_info.
	* sched-deps.c: Include tree.h with a FIXME.
	(call_may_noreturn_p): Add FIXME note why this function has to
	look at function decls instead of function decl flags.
	* sched-vis.c: Include tree.h with a FIXME.
	(print_rtl_slim): Adjust dump_bb_info uses.
	* statistics.c (statistics_fini_pass_2): Use current_function_name
	to avoid including tree.h.
	(statistics_counter_event): Use function_name for the same reason.
	(statistics_histogram_event): Likewise.
	* tracer.c (tracer): Remove bogus gcc_assert.  Use brief_dump_cfg
	instead of dump_flow_info.
	* var-tracking.c (variable_tracking_main_1): Call dump_reg_info
	before dump_flow_info.
	* doc/cfg.texi: Update CFG documentation.
	* Makefile.in (RTL_H): Depend on FLAGS_H.
	(GIMPLE_H): Depend on TREE_H.
	(FUNCTION_H): Depend on VEC_H, vecir.h, INPUT_H and MACHMODE_H,
	but no longer on TREE_H.
	(C_COMMON_H): Depend on TREE_H.
	(cselib.o, cse.o, cfganal.o, loop-init.o, ira-conflicts.o,
	sched-deps.o, sched-vis.o): Fixup dependencies.

c-family/
	* c-common.h: Include tree.h.

cp/
	* decl.c (cp_finish_decl): Add FIXME at add_local_decl call site.

From-SVN: r189359

gcc/
	* alias.h: Do not include coretypes.h in header files.
	* cppbuiltin.h: Likewise.
	* double-int.h: Likewise.
	* gimple-fold.h: Likewise.
	* flags.h: Likewise.
	* tree-ssa-alias.h: Likewise.
	* gengtype.h (obstack_chunk_alloc, obstack_chunk_free,
	OBSTACK_CHUNK_SIZE): Define here to avoid dependency on coretypes.h.
	* Makefile.in (RTL_BASE_H): Depend on coretypes.h.
	(TREE_H): Likewise.
	(ALIAS_H): Do not depend on coretypes.h.
	(FLAGS_H): Likewise.
	(realmpfr.o): Depend on coretypes.h.

java/
	* verify.h: Do not include system.h and coretypes.h here.
	* verify-impl.c: Include them here instead.

From-SVN: r189358

	* gfortran.h: Do not include coretypes.h here.
	Make it an error to include this before coretypes.h
	* openmp.c: Include coretypes.h.
	* interface.c: Likewise.
	* intrinsic.c: Likewise.
	* symbol.c: Likewise.
	* class.c: Likewise.
	* decl.c: Likewise.
	* matchexp.c: Likewise.
	* dump-parse-tree.c: Likewise.
	* array.c: Likewise.
	* constructor.c: Likewise.
	* error.c: Likewise.
	* data.c: Likewise.
	* expr.c: Likewise.
	* module.c: Likewise.
	* scanner.c: Likewise.
	* bbt.c: Likewise.
	* io.c: Likewise.
	* frontend-passes.c: Likewise.
	* resolve.c: Likewise.
	* st.c: Likewise.
	* target-memory.c: Likewise.
	* match.c: Likewise.
	* arith.c: Likewise.
	* parse.c: Likewise.
	* check.c: Likewise.
	* dependency.c: Likewise.
	* primary.c: Likewise.
	* misc.c: Likewise.
	* simplify.c: Likewise.

From-SVN: r189357