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2021-06-01  Release Manager

	* GCC 9.4.0 released.

2021-04-13  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/misc.c (gnat_init): Set default range bits to 0.
	* gcc-interface/trans.c (extract_encoding): Delete.
	(decode_name): Likewise.
	(File_Name_to_gnu): New function.
	(gigi): Call it to translate file names.  Replace assertion on
	1-1 mapping between files and line maps with conditional error.

2021-03-10  Mikael Pettersson  <mikpelinux@gmail.com>

	PR bootstrap/94918
	* raise-gcc.c: On Cygwin include mingw32.h to prevent
	windows.h from including x86intrin.h or emmintrin.h.

2021-03-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/99264
	* init.c (__gnat_alternate_sta) [Linux]: Remove preprocessor test on
	MINSIGSTKSZ and bump size to 32KB.
	* libgnarl/s-osinte__linux.ads (Alternate_Stack_Size): Bump to 32KB.

2021-02-03  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (components_to_record): If the first component
	with rep clause is the _Parent field with variable size, temporarily
	set it aside when computing the internal layout of the REP part again.
	* gcc-interface/utils.c (finish_record_type): Revert to taking the
	maximum when merging sizes for all record types with rep clause.
	(merge_sizes): Put SPECIAL parameter last and adjust recursive calls.

2021-02-03  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Make the
	two fields of the fat pointer type addressable, and do not make the
	template type read-only.
	<E_Record_Type>: If the type has discriminants mark it as may_alias.
	* gcc-interface/utils.c (make_dummy_type): Likewise.
	(build_dummy_unc_pointer_types): Likewise.

2021-01-26  Marius Hillenbrand  <mhillen@linux.ibm.com>

	PR ada/98228
	* gcc-interface/utils.c (maybe_pad_type): Test the size of the new
	packable type instead of its alignment for addressability's sake.

2021-01-25  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (make_covariant_thunk): Set the DECL_CONTEXT
	of the parameters and do not set TREE_PUBLIC on the thunk.
	(maybe_make_gnu_thunk): Pass the alias to the covariant thunk.
	* gcc-interface/utils.c (finish_subprog_decl): Set the DECL_CONTEXT
	of the parameters here...
	(begin_subprog_body): ...instead of here.

2021-01-19  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/98740
	* gcc-interface/trans.c (add_decl_expr): Always mark TYPE_ADA_SIZE.

2020-12-10  Ed Schonberg  <schonberg@adacore.com>

	PR ada/98230
	* exp_attr.adb (Expand_N_Attribute_Reference, case Mod): Use base
	type of argument to obtain static bound and required size.

2020-12-07  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (maybe_make_gnu_thunk): Return false if the
	target is local and thunk and target do not have the same context.

2020-11-11  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (build_binary_op_trapv): Convert operands
	to the result type before doing generic overflow checking.
	* gcc-interface/utils.c (can_materialize_object_renaming_p): Add
	pair of missing parentheses.

2020-11-11  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (can_be_lower_p): Remove.
	(Regular_Loop_to_gnu): Add ENTRY_COND unconditionally if
	BOTTOM_COND is non-zero.

2020-09-11  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Subtype>: Only
	create extra subtypes for discriminants if the RM size of the base
	type of the index type is lower than that of the index type.

2020-09-10  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (build_subst_list): For a definition, make
	sure to instantiate the SAVE_EXPRs generated by the elaboration of
	the constraints in front of the elaboration of the type itself.

2020-06-23  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (gnat_to_gnu) <N_Allocator>: Minor tweaks.
	Call Has_Constrained_Partial_View on base type of designated type.

2020-05-04  Mikael Pettersson  <mikpelinux@gmail.com>

	PR bootstrap/94918
	* mingw32.h: Prevent windows.h from including emmintrin.h on Cygwin64.

2020-03-12  Release Manager

	* GCC 9.3.0 released.

2020-03-11  Richard Wai  <richard@annexi-strayline.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity): Also test Is_Public on
	the Alias of the entitiy, if it is present, in the main assertion.

2019-11-29  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/92489
	Backport from mainline
	2019-07-01  Ed Schonberg  <schonberg@adacore.com>

	* exp_attr.adb (Expand_Attribute_Reference, case Invalid_Value):
	Resolve result of call to Get_Simple_Init_Val, which may be a
	conversion of a literal.

2019-11-25  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/92362
	* gcc-interface/trans.c (gnat_to_gnu) <N_Attribute_Definition_Clause>:
	Use a temporary instead of clobbering the result with a freeze node.

2019-11-25  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/92575
	* expect.c (__gnat_expect_poll [VMS, HPUX]): Fix typo.

2019-11-08  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2019-10-27  Jakub Jelinek  <jakub@redhat.com>

	* locales.c (iso_3166): Add missing comma after "United-States".

2019-10-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/91995
	* sem_ch8.adb (Chain_Use_Clause): Remove second argument in calls
	to Defining_Entity.
	* sem_elab.adb (Find_Unit_Entity): Likewise.  Deal with N_Subunit
	here in lieu of in Defining_Entity.
	* sem_spark.adb (Check_Callable_Body): Likewise.
	(Check_Package_Body): Likewise.
	* sem_util.ads (Defining_Entity): Remove 2nd and 3th parameters.
	* sem_util.adb (Defining_Entity): Remove 2nd and 3th parameters,
	and adjust accordingly.  Deal with N_Compilation_Unit.

2019-10-11  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (annotate_value) <INTEGER_CST>: Really test the
	sign of the value when deciding to build a NEGATE_EXPR.
	<PLUS_EXPR>: Remove redundant line.
	<BIT_AND_EXPR>: Do the negation here.

2019-09-23  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Attribute_to_gnu): Test Can_Use_Internal_Rep
	on the underlying type of the node.
	(Call_to_gnu): Likewise with the type of the prefix.

2019-08-12  Release Manager

	* GCC 9.2.0 released.

2019-08-05  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline.
	2019-07-02  Iain Sandoe  <iain@sandoe.co.uk>

	* libgnat/system-darwin-ppc.ads: Set Stack_Check_Probes True for
	PPC Darwin.

2019-08-05  Iain Sandoe  <iain@sandoe.co.uk>

	Backport from mainline.
	2019-06-30  Iain Sandoe  <iain@sandoe.co.uk>

	* gnatlink.adb (Link_Step): Remove duplicate -static-libgcc switches.
	Push -shared-libgcc explicitly, when it is the target default (unless
	overidden by the static flag).
	When the user has put an instance of shared/static-libgcc do not push
	a duplicate of this.

2019-07-04  James Clarke <jrtc27@debian.org>

	* libgnarl/s-osinte__kfreebsd-gnu.ads (clockid_t): Make type
	definition public.
	(CLOCK_REALTIME): Make value public.

2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity): Beep up comment on SAVED,
	and tweak comment on the assertion about the scopes of Itypes.  Do not
	skip the regular processing for Itypes that are E_Record_Subtype with
	a Cloned_Subtype.  Get the Cloned_Subtype for every E_Record_Subtype
	if the type is dummy and hasn't got its own freeze node.
	<E_Record_Subtype>: Save again the DECL of the Cloned_Subtype, if any.
	<E_Access_Subtype>: Save again the DECL of the equivalent type.
	(Gigi_Equivalent_Type) <E_Access_Subtype>: New case.

2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (mark_visited_r): Set TYPE_SIZES_GIMPLIFIED on
	the main variant of a type, if any.

2019-06-29  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (set_nonaliased_component_on_array_type): Add
	missing guard for the presence of TYPE_CANONICAL.
	(set_reverse_storage_order_on_array_type): Likewise.

2019-06-18  Arnaud Charlet  <charlet@adacore.com>

	PR ada/80590
	* sem_ch5.adb (Analyze_Loop_Statement): Avoid exception propagation
	during normal processing.

2019-06-17  Arnaud Charlet  <charlet@adacore.com>

	PR ada/80590
	* exp_ch9.adb (Expand_N_Delay_Relative_Statement): Swap the two
	conditions to avoid a unnecessary exception propagation in the default
	case.

2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (lvalue_required_for_attribute_p): Return 0
	for 'Size too.
	(Identifier_to_gnu): Use the actual subtype for a reference to a
	packed array in a return statement.
	(Attribute_to_gnu) <Attr_Size>: Do not strip VIEW_CONVERT_EXPRs from
	the prefix in every case.

2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (gnat_to_gnu): Remove superfluous tests on
	Backend_Overflow_Checks_On_Target and rework comments.

2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (walk_nesting_tree): New static function.
	(finalize_nrv): Use it to walk the entire nesting tree.

2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Subtype>: Remove
	obsolete test on Is_For_Access_Subtype.

2019-05-28  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (components_to_record): Set a name on the type
	created for the REP part, if any.
	* gcc-interface/utils.c (finish_record_type): Only take the maximum
	when merging sizes for a variant part at offset 0.
	(merge_sizes): Rename has_rep parameter into max.

2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Call_to_gnu): Do not initialize the temporary
	created out of addressability concerns if it's for the _Init parameter
	of an initialization procedure.

2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils.c (maybe_pad_type): Issue the warning for the
	specific case of component types preferably.

2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Identifier_to_gnu): Minor tweaks.
	(gnat_to_gnu): Do not convert the result if it is a reference to an
	unconstrained array used as the prefix of an attribute reference that
	requires an lvalue.

2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Gigi_Types_Compatible): New predicate.
	(Identifier_to_gnu): Use it to assert that the type of the identifier
	and that of its entity are compatible for gigi.  Rename a couple of
	local variables and separate the processing of the result type.

2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Call_to_gnu): Use the unpadded type when
	putting back an intermediate conversion the type of the actuals.

2019-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* gcc-interface/Makefile.in (install-gcc-specs): Use foreach.
	Honor DESTDIR.

2019-05-03  Release Manager

	* GCC 9.1.0 released.

2019-04-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	    Bernd Edlinger  <bernd.edlinger@hotmail.de>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/89093
	* raise-gcc.c (TARGET_ATTRIBUTE): Define.
	(continue_unwind, personality_body, PERSONALITY_FUNCTION): Add
	TARGET_ATTRIBUTE.

2019-04-07  Eric Botcazou  <ebotcazou@adacore.com>

	* libgnat/i-cexten.ads (CFloat_128): New type.

2019-03-22  Dmitriy Anisimkov  <anisimko@adacore.com>

	PR ada/89583
	* libgnat/g-socket.adb (Bind_Socket, Connect_Socket,
	Send_Socket): Fix the computation of structure lengths passed to
	low level routines.
	(Is_IPv6_Address): Fix the number of expected colons.

2019-03-11  Martin Liska  <mliska@suse.cz>

	* gcc-interface/misc.c (gnat_post_options): Wrap option name in string
	format message and fix GNU coding style.

2019-02-08  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (gnat_to_gnu) <N_Aggregate>: Minor tweak.
	* gcc-interface/utils.c (convert): Do not pad when doing an unchecked
	conversion here.  Use TREE_CONSTANT throughout the function.
	(unchecked_convert): Also pad if the source is a CONSTRUCTOR and the
	destination is a more aligned array type or a larger aggregate type,
	but not between original and packable versions of a type.

2019-02-08  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils.c (max_size) <tcc_unary>: Be prepared for an
	operand with VOID_TYPE.

2019-02-08  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (elaborate_all_entities): Do not elaborate the
	entities of a package renaming another one.

2019-02-08  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Regular_Loop_to_gnu): Replace tests on
	individual flag_unswitch_loops and flag_tree_loop_vectorize switches
	with test on global optimize switch.
	(Raise_Error_to_gnu): Likewise.

2019-02-07  Eric Botcazou  <ebotcazou@adacore.com>

	* libgnarl/s-linux__sparc.ads (ETIMEDOUT): Set to correct value.

2019-02-06  Arnaud Charlet  <charlet@adacore.com>

	* libgnarl/s-linux__x32.ads: Resync list of signals with s-linux.ads

2019-01-27  Eric Botcazou  <ebotcazou@adacore.com>

	* repinfo.adb (List_Component_Layout): Remove superfluous space for
	zero-sized field.
	* gcc-interface/ada-tree.h (TYPE_IS_EXTRA_SUBTYPE_P): New macro.
	* gcc-interface/gigi.h (create_extra_subtype): Declare.
	* gcc-interface/decl.c (TYPE_ARRAY_SIZE_LIMIT): Likewise.
	(update_n_elem): New function.
	(gnat_to_gnu_entity): Use create_extra_subtype to create extra subtypes
	instead of doing it manually.
	<E_Array_Type>: Use update_n_elem to compute the maximum size.  Use the
 	index type instead of base type for the bounds. Set TYPE_ARRAY_MAX_SIZE
	of the array to the maximum size.
	<E_Array_Subtype>: Create an extra subtype using the index type of the
	base array type for self-referential bounds.  Use update_n_elem to
	compute the maximum size.  Set TYPE_ARRAY_MAX_SIZE of the array to the
	maximum size.
	(gnat_to_gnu_field): Clear DECL_NONADDRESSABLE_P on discriminants.
	* gcc-interface/misc.c (gnat_get_alias_set): Return the alias set of
	the base type for an extra subtype.
	(gnat_type_max_size): Remove obsolete code.
	* gcc-interface/trans.c (Attribute_to_gnu): Minor tweak.
	(can_be_lower_p): Deal with pathological types.
	* gcc-interface/utils.c (create_extra_subtype): New function.
	(create_field_decl): Minor tweak.
	(max_size) <tcc_reference>: Compute a better value by using the extra
 	subtypes on the self-referential bounds.
	<tcc_binary>: Rewrite.  Deal with "negative value" in unsigned types.
	<tcc_expression>: Likewise.
	* gcc-interface/utils2.c (compare_arrays): Retrieve the original bounds
	of the arrays upfront.  Swap only if the second length is not constant.
	Use comparisons on the original bounds consistently for the null tests.
	(build_binary_op): Use TYPE_IS_EXTRA_SUBTYPE_P macro.
	(build_allocator): Minor tweak.

2019-01-27  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (array_type_has_nonaliased_component): Return
	the same value for every dimension of a multidimensional array type.

2019-01-26  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Regular_Loop_to_gnu): Use the SLOC of the
	iteration scheme, if present, throughout the translation.

2019-01-26  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (gnat_to_gnu) <N_Assignment_Statement>: Use
	DECL_SIZE_UNIT instead of TYPE_SIZE_UNIT for the size to be assigned
	by a call to memset if the LHS is a DECL.

2019-01-26  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (struct loop_info_d): Remove artificial field.
	(Loop_Statement_to_gnu): Do not set it.

2019-01-26  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Iterate_Acc_Clause_Arg): Fix formatting.
	(Acc_gnat_to_gnu): Likewise.
	(Acc_Data_to_gnu): Likewise.
	(Acc_Var_to_gnu): Likewise.
	(Acc_Reduc_to_gnu): Likewise.
	(Acc_Size_List_to_gnu): Likewise.
	(Pragma_to_gnu) <Pragma_Acc_Loop>: Likewise.
	<Pragma_Acc_Data>): Likewise.
	(find_loop_for): Remove default value for parameters.
	* gcc-interface/trans.c (gnat_to_gnu) <N_Op_And>: Merge into...
	<N_Op_Eq>): ...this.

2019-01-26  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (annotate_value) <INTEGER_CST>: Use test on
	the sign bit instead of on the sign of the value.
	<PLUS_EXPR>: Turn addition of negative constant into subtraction.
	<MULT_EXPR>: Add test for degenerate case.
	<BIT_AND_EXPR>: Simplify.

2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* s-oscons-tmplt.c (AF_INET6): Do not undefine for RTEMS.

2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>

	PR other/16615
	* exp_ch11.adb: Change "can not" to "cannot".
	* sem_ch4.adb: Likewise.

2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>

	PR other/16615
	* exp_ch9.adb: Mechanically replace "can not" with "cannot".
	* libgnat/s-regpat.ads: Likewise.
	* par-ch4.adb: Likewise.
	* set_targ.adb: Likewise.
	* types.ads: Likewise.

2019-01-08  Justin Squirek  <squirek@adacore.com>

	Revert:
	2018-07-31  Justin Squirek  <squirek@adacore.com>

	* lib-writ.adb (Write_With_Lines): Modfiy the generation
	of dependencies within ali files so that source unit
	bodies are properly listed even if said bodies are
	missing.  Perform legacy behavior in GNATprove mode.
	* lib-writ.ads: Modify documentation to reflect current
	behavior.

	and:
	2018-09-26  Justin Squirek  <squirek@adacore.com>

	* lib-writ.adb, lib-writ.ads (Write_With_Lines): Add
	documentation and an extra conditional check for RCI
	units so that generated ali files will list the spec
	only instead of a body when a body is not found.

2019-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	* gnatvsn.ads: Bump copyright year.

2019-01-01  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

 	* gnat_ugn.texi: Bump @copying's copyright year.
 	* gnat_rm.texi: Likewise.

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