2011-09-05  Robert Dewar  <dewar@adacore.com>

	* sem_ch6.adb: Minor reformatting.

2011-09-05  Matthew Gingell  <gingell@adacore.com>

	* s-tassta.adb (Task_Wrapper): Ensure that we don't try to write the
	stack guard page on PPC Linux. This patch ensures the 64K guard page at
	the bottom of the stack is not overwritten.

From-SVN: r178544

2011-09-05  Thomas Quinot  <quinot@adacore.com>

	* exp_intr.adb, s-tasini.adb: Minor reformatting.

2011-09-05  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Access_Definition): If an access type declaration
	appears in a child unit, the scope of whatever anonymous type
	may be generated is the child unit itself.

2011-09-05  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Analyze_Expression_Function): Do not set
	Comes_From_Source on rewritten body.
	(Analyze_Subprogram_Body_Helper): Check that the original node for
	the body comes from source, when determining whether expansion
	of a protected operation is needed.

From-SVN: r178543

2011-09-05  Ed Schonberg  <schonberg@adacore.com>

	* exp_aggr.adb (Replace_Type): If the target of the assignment is
	a selected component and the right-hand side is a self-referential
	access, the proper prefix of the rewritten attribute is a copy
	of the left-hand side, not of its prefix.

2011-09-05  Robert Dewar  <dewar@adacore.com>

	* sem_ch5.adb: Minor reformatting.
	* sem_ch3.adb: Minor code clean up.

2011-09-05  Jose Ruiz  <ruiz@adacore.com>

	* exp_ch9.adb (Make_Initialize_Protection): The fact that
	restriction No_Dynamic_Attachment is in effect or not should
	not influence the default priority associated to a protected
	object. With this change, when the restriction is in effect (as
	is the case for the Ravenscar profile) the default priority of
	a protected object with an interrupt handler is in the range of
	interrupt priorities (Default_Interrupt_Priority) as required
	by D.3(10).

2011-09-05  Arnaud Charlet  <charlet@adacore.com>

	* a-iteint.ads: Fix header.

2011-09-05  Vincent Celier  <celier@adacore.com>

	* prj-conf.adb (Do_Autoconf): Make sure Obj_Dir always ends
	with a directory separator to avoid output such as:
	  "/path/to/objauto.cgpr" has been deleted.

From-SVN: r178542

	* gcc.dg/compat/struct-layout-1_test.h: Decrease bitfield size
	to work even with -fshort-enums.

From-SVN: r178540

2011-09-05  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb: Minor reformatting.

2011-09-05  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb: Better error message.

2011-09-05  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_aggr.adb: Add with and use clause for Exp_Ch6.
	(Expand_Array_Aggregate): Detect a special case of an aggregate
	which contains tasks in the context of an unexpanded return
	statement of a build-in-place function.
	* exp_ch6.adb: Add with and use clause for Exp_Aggr.
	(Expand_N_Extended_Return_Statement): Detect a delayed aggregate
	which contains tasks and expand it now that the original simple
	return statement has been rewritten.
	* exp_ch9.adb (Build_Activation_Chain_Entity): Code
	reformatting. Do not create a chain for an extended return
	statement if one is already available.
	(Has_Activation_Chain): New routine.

From-SVN: r178539

2011-09-05  Marc Sango  <sango@adacore.com>

	* sem_ch3.adb (Analyze_Object_Declaration): Remove
	the wrong test and add the correct test to detect the violation
	of illegal use of unconstrained string type in SPARK mode.

2011-09-05  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb (Analyze_Iteration_Specification): Improve error
	message on an iterator over an array.

2011-09-05  Robert Dewar  <dewar@adacore.com>

	* lib-xref-alfa.adb: Minor reformatting.

From-SVN: r178538

2011-09-05  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.adb (Write_Field28_Name): Update the choices for
	Extra_Formals.
	* einfo.ads: Update the use of Extra_Formals in various entities.
	* exp_ch6.adb (Add_Task_Actuals_To_Build_In_Place_Call): Code
	reformatting. Handle the case where the function call returns
	an incomplete type coming from a limited with context. Generate
	a reference to the _master when the master id is associated
	with an access type.
	(Is_Build_In_Place_Function_Call): Code
	reformatting. The Alfa mode case must appear first since otherwise
	we will carry out the function name retrieval regardless of the
	compilation mode.
	(Make_Build_In_Place_Call_In_Allocator): Code
	reformatting. Handle the case where the function call returns
	an incomplete type coming from a limited with context. Remove
	the reference creation when adding the task-related actuals,
	this is now done in Add_Task_Actuals_To_Build_In_Place_Call.
	* exp_ch7.adb (Make_Set_Finalize_Address_Call): Remove local
	variable Call. Remove the useless wrapping of Set_Finalize_Address
	when the finalization master is a build-in-place extra formal. The
	whole mechanism of controlled allocation in a build-in-place
	context is already protected by an if statement.
	* sem_aux.adb (Is_Immutably_Limited_Type): Handle the case
	where the type might be related to a function which returns an
	incomplete type coming from a limited with.
	* sem_ch6.adb (Create_Extra_Formals): Comment
	reformatting. Handle the case where the function returns an
	incomplete type coming from a limited with context.

2011-09-05  Johannes Kanig  <kanig@adacore.com>

	* lib-xref-alfa.adb (Is_Alfa_Reference): Improve test for constant
	objects and rewrite case statement as /if/elsif/endif.

2011-09-05  Thomas Quinot  <quinot@adacore.com>

	* sem_ch3.adb, sem_ch4.adb: Minor reformatting.

From-SVN: r178537

2011-09-05  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb, sem_res.adb, par.adb, par-ch6.adb, g-comlin.adb,
	exp_ch6.adb, lib-xref-alfa.adb: Minor reformatting.

From-SVN: r178536

2011-09-05  Gary Dismukes  <dismukes@adacore.com>

	* exp_ch7.adb, exp_ch6.adb: Minor reformatting.

2011-09-05  Johannes Kanig  <kanig@adacore.com>

	* lib-xref-alfa.adb: Update comments.

2011-09-05  Thomas Quinot  <quinot@adacore.com>

	* sem_res.adb: Minor reformatting

From-SVN: r178535

2011-09-05  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch6.adb (Build_In_Place_Formal): If extra formals are not
	present, create them now.  Needed in case the return type was
	a limited view in the function declaration.
	(Make_Build_In_Place_Call_In_Allocator): If return type contains
	tasks, build the activation chain for it.  Pass a reference to
	the Master_Id in call to Add_Task_Actuals_To_Build_In_Place call.
	* exp_ch7.adb (Make_Set_Finalize_Address_Call): Clean up interface
	with build_in_place calls.
	* sem_ch9.adb (Analyze_Task_Type_Declaration): If partial view was
	incomplete, inatialize its Corresponding_Record_Type component.
	* sem_ch10.adb (Build_Chain): Initialize Private_Dependents field
	of limited views.

From-SVN: r178534

From-SVN: r178533

2011-09-05  Johannes Kanig  <kanig@adacore.com>

	* lib-xref-alfa.adb (Is_Alfa_Reference): Filter constants from effect
	information.

2011-09-05  Ed Schonberg  <schonberg@adacore.com>

	* par-ch6.adb (P_Subprogram): In Ada2012 mode, if the subprogram
	appears within a package specification and the token after "IS"
	is not a parenthesis, assume that this is an unparenthesized
	expression function, even if the token appears in a line by
	itself.
	* par.adb: Clarify use of Labl field of scope stack in error
	recovery.

From-SVN: r178532

2011-09-05  Bob Duff  <duff@adacore.com>

	* sem_res.adb (Resolve_Intrinsic_Operator): Use unchecked
	conversions instead of normal type conversions in all cases where a
	type conversion would be illegal. In particular, use unchecked
	conversions when the operand types are private.

2011-09-05  Johannes Kanig  <kanig@adacore.com>

	* lib-xref-alfa.adb (Is_Alfa_Reference): Never declare effects on
	objects of task type or protected type.

From-SVN: r178531

2011-09-05  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Analyze_Expression_Function): If the expression
	function comes from source, indicate that so does its rewriting,
	so it is compatible with any subsequent expansion of the
	subprogram body (e.g. when it is a protected operation).
	* sem_ch4.adb: minor reformatting

2011-09-05  Hristian Kirtchev  <kirtchev@adacore.com>

	* lib.adb (Check_Same_Extended_Unit): Comment rewriting. Use
	Get_Source_Unit rather than Get_Code_Unit as instantiation unfolding
	may lead to wrong ancestor package in the case of instantiated subunit
	bodies. If a subunit is instantiated, follow the chain of instantiations
	rather than the stub structure.

From-SVN: r178530

	PR target/50289
	* config/avr/avr.c (sequent_regs_live): Don't recognize sequences
	that contain global register variable.

From-SVN: r178528

2011-09-05  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (replace_uses_by): Use fold_stmt, not fold_stmt_inplace.

From-SVN: r178527

2011-09-05  Richard Guenther  <rguenther@suse.de>

	* stor-layout.c (layout_type): Use size_binop for array size
	calculations.

	c-family/
	* c-common.c (complete_array_type): Use ssize_int (-1) instead
	of integer_minus_one_node for empty array upper bounds.

From-SVN: r178526

	
	* config/avr/avr.h (progmem_section): Remove Declaration.
	* config/avr/avr.c (progmem_section): Make static and rename to
	progmem_swtable_section.
	(avr_output_addr_vec_elt): No need to switch sections.
	(avr_asm_init_sections): Use output_section_asm_op as section
	callback for progmem_swtable_section.
	(avr_output_progmem_section_asm_op): Remove Function.
	(TARGET_ASM_FUNCTION_RODATA_SECTION): New Define.
	(avr_asm_function_rodata_section): New static Function.
	* config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Output
	alignment 2**1 for jump tables.

From-SVN: r178525

	* ipa-inline-analysis.c (set_cond_stmt_execution_predicate): Check that
	parameter is SSA name.

From-SVN: r178524

2011-09-05  Richard Guenther  <rguenther@suse.de>

        Revert
        2011-08-31  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE
	special-casing.

From-SVN: r178523

	PR c++/49267
	* call.c (reference_binding): Don't set is_lvalue for an rvalue
	reference rfrom.

From-SVN: r178521

	PR c++/49267
	PR c++/49458
	DR 1328
	* call.c (reference_binding): Set rvaluedness_matches_p properly
	for reference to function conversion ops.
	(compare_ics): Adjust.

From-SVN: r178520

class.c (trivial_default_constructor_is_constexpr): Rename from synthesized_default_constructor_is_constexpr.

	* class.c (trivial_default_constructor_is_constexpr): Rename from
	synthesized_default_constructor_is_constexpr.
	(type_has_constexpr_default_constructor): Adjust.
	(add_implicitly_declared_members): Call it instead.
	(explain_non_literal_class): Explain about non-constexpr default ctor.
	* cp-tree.h: Adjust.
	* method.c (synthesized_method_walk): Adjust.
	* semantics.c (explain_invalid_constexpr_fn): Handle defaulted
	functions, too.

From-SVN: r178519

	PR c++/50248
	Core 1358
	* init.c (perform_member_init): Don't diagnose missing inits here.
	(emit_mem_initializers): Or here.
	* method.c (process_subob_fn): Don't instantiate constexpr ctors.
	* semantics.c (cx_check_missing_mem_inits): New.
	(explain_invalid_constexpr_fn): Call it.
	(register_constexpr_fundef): Likewise.  Leave
	DECL_DECLARED_CONSTEXPR_P set when the body is unsuitable.
	(cxx_eval_call_expression): Adjust diagnostics.
	(cxx_eval_constant_expression): Catch use of 'this' in a constructor.

From-SVN: r178518

From-SVN: r178517

From-SVN: r178513

	PR libffi/49594
	* src/powerpc/darwin_closure.S (stubs): Make the stub binding
	helper reference track the architecture pointer size.

From-SVN: r178512

	PR debug/49901
	* config/darwin.h (DEBUG_MACRO_SECTION): New macro.

From-SVN: r178510

2011-09-04  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/50227
	* trans-types.c (gfc_sym_type): Check for proc_name.

2011-09-04  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/50227
	* gfortran.dg/class_45a.f03: New.
	* gfortran.dg/class_45b.f03: New.

From-SVN: r178509

re PR tree-optimization/50208 (ICE: in vinfo_for_stmt at tree-vectorizer.h:598 with -ftree-vectorize -fno-tree-fre -fno-tree-pre)


        PR tree-optimization/50208
        * tree-vect-patterns.c (vect_handle_widen_mult_by_const): Add an
        argument.  Check that def_stmt is inside the loop.
        (vect_recog_widen_mult_pattern): Update calls to
        vect_handle_widen_mult_by_cons.
        (vect_operation_fits_smaller_type): Check that def_stmt is
        inside the loop.


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

From-SVN: r178508

        * tree-vectorizer.c (vect_print_dump_info): Print line
        number when dumping to a file.
        (vectorize_loops): Add new messages to dump file.

From-SVN: r178507

From-SVN: r178506

2011-09-03  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.h (ipa_jump_func_t): New typedef.
	(struct ipa_edge_args): Removed field argument_count, field
	jump_functions turned into a vector.
	(ipa_set_cs_argument_count): Removed.
	(ipa_get_cs_argument_count): Updated to work on vectors.
	(ipa_get_ith_jump_func): Likewise.
	* ipa-prop.c (ipa_count_arguments): Removed.
	(compute_scalar_jump_functions): Use ipa_get_ith_jump_func to access
	jump functions.  Update caller.
	(compute_pass_through_member_ptrs): Likewise.
	(compute_cst_member_ptr_arguments): Likewise.
	(ipa_compute_jump_functions_for_edge): Get number of arguments from
	the statement, allocate vector.
	(ipa_compute_jump_functions): Do not call ipa_count_arguments.
	(duplicate_ipa_jump_func_array): Removed.
	(ipa_edge_duplication_hook): Use VEC_copy, do not copy argument count.
	(ipa_read_node_info): Allocate vector.

From-SVN: r178502

	PR middle-end/50232
	Correct log entry for last change.

From-SVN: r178501

	PR Bug middle-end/50232
	* config/pa/pa.md (return): Define "return" insn pattern.
	(epilogue): Use it when no epilogue is needed.
	* config/pa/pa.c (pa_can_use_return_insn): New function.
	* config/pa/pa-protos.h (pa_can_use_return_insn): Declare.

From-SVN: r178500

	* cfgexpand.c (add_stack_var): Assert that the alignment is not zero.
	* tree-ssa-ccp.c (fold_builtin_alloca_for_var): Revert latest change.
	Force at least BITS_PER_UNIT alignment on the new variable.

From-SVN: r178499

From-SVN: r178497

2011-09-02  Gary Funck <gary@intrepid.com>

	* opts.c (print_specific_help): Fix off-by-one compare in
	assertion check.
	* opts.h (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER,
	CL_TARGET, CL_COMMON, CL_JOINED, CL_SEPARATE, CL_UNDOCUMENTED):
	Increase by +5 to allow for more languages.
	* optc-gen.awk: Generate #if that ensures that the number of
	languages is within the implementation-defined limit.

From-SVN: r178491

re PR middle-end/50260 (internal compiler error: Segmentation fault  at ../../gcc/gcc/tree-ssa-live.c:88)

	PR middle-end/50260
	* ipa-split.c (split_function): Call add_referenced_var.

	* tree-ssa-phiopt.c (cond_store_replacement): Don't call get_var_ann.
	(cond_if_else_store_replacement_1): Ditto.
	* tree-ssa-pre.c (get_representative_for): Ditto.
	(create_expression_by_pieces): Ditto.
	(insert_into_preds_of_block): Ditto.
	* tree-sra.c (create_access_replacement): Ditto.
	(get_replaced_param_substitute): Ditto.

From-SVN: r178489

	* config/c6x/c6x.md (collapse-ndfa, no-comb-vect): New
	automata_options.
	(d1, l1, s1, m1, d2, l2, s2, m2): Changed to define_query_cpu_unit.
	(l1w, s1w, l2w, s2w): Define in the main automaton.
	(fps1, fpl1, adddps1, adddpl1, fps2, fpl2, adddps2, adddpl2): New
	units.
	* config/c6x/c6x.c (c6x_sched_insn_info): Add unit_mask member.
	(c6x_unit_names): Add the new units.
	(c6x_unit_codes): New static array.
	(UNIT_QID_D1, UNIT_QID_L1, UNIT_QID_S1, UNIT_QID_M1, UNIT_QID_FPS1,
	UNIT_QID_FPL1, UNIT_QID_ADDDPS1, UNIT_QID_ADDDPL1,
	UNIT_QID_SIDE_OFFSET): New macros.
	(RESERVATION_S2): Adjust value.
	(c6x_option_override): Compute c6x_unit_codes.
	(assign_reservations): Take the unit_mask of the last instruction
	into account.  Detect floating point reservations by looking for
	the new units.  Don't assign reservations if the field is already
	nonzero.
	(struct c6x_sched_context): Add member prev_cycle_state_ctx.
	(init_sched_state): Initialize it.
	(c6x_clear_sched_context): Free it.
	(insn_set_clock): Clear reservation.
	(prev_cycle_state): New static variable.
	(c6x_init_sched_context): Save it.
	(c6x_sched_init): Allocate space for it and clear it.
	(c6x_sched_dfa_pre_cycle_insn): New static function.
	(c6x_dfa_new_cycle): Save state at the start of a new cycle.
	(c6x_variable_issue): Only record units in the unit_mask that
	were not set at the start of the cycle.
	(c6x_variable_issue): Compute and store the unit_mask from the
	current state.
	(reorg_split_calls): Ensure the new information remains correct.
	(TARGET_SCHED_DFA_NEW_CYCLE, TARGET_SCHED_CLEAR_SCHED_CONTEXT,
	TARGET_SCHED_DFA_PRE_CYCLE_INSN): Define.
	* config/c6x/c6x.h (CPU_UNITS_QUERY): Define.
	* config/c6x/c6x-sched.md.in (fp4_ls_N__CROSS_, adddp_ls_N__CROSS_):
	Add special reservations.
	* config/c6x/c6x-sched.md: Regenerate.

From-SVN: r178488