Convert the Export::type_refs map from a static object to a field
    contained (indirectly, via an impl class) in Export itself, for better
    encapsulation and to be able to reclaim its memory when exporting is
    done. No change in compiler functionality.
    
    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/184170

From-SVN: r272919

From-SVN: r272916

@signbit<mode>2_dm


	* config/rs6000/rs6000.md (signbit<mode>2_dm): Make this a
	parameterized name.
	(signbit<mode>2): Use that name.  Simplify.

From-SVN: r272912

        PR middle-end/66726
        * tree-ssa-phiopt.c (factor_out_conditional_conversion):
        Tune heuristic from PR71016 to allow MIN / MAX.
        * testsuite/gcc.dg/tree-ssa/pr66726-4.c: New testcase.

From-SVN: r272911

From-SVN: r272908

@ieee_128bit_vsx_abs<mode>2


	* config/rs6000/rs6000.md (ieee_128bit_vsx_abs<mode>2): Make this a
	parameterized name.
	(abs<mode>2): Use that name.  Simplify.

From-SVN: r272907

@ieee_128bit_vsx_neg<mode>2


	* config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2): Make this a
	parameterized name.
	(neg<mode>2): Use that name.  Simplify.

From-SVN: r272906

@abs<mode>2_hw


	* config/rs6000/rs6000.md (abs<mode>2_hw): Make this a parameterized
	name.
	(abs<mode>2): Use that name.  Simplify.

From-SVN: r272905

@neg<mode>2_hw


	* config/rs6000/rs6000.md (neg<mode>2_hw): Make this a parameterized
	name.
	(neg<mode>2): Use that name.  Simplify.

From-SVN: r272904

@extenddf<mode>2


	* config/rs6000/rs6000.md (extenddf<mode>2): Make this a parameterized
	name.
	(floatsi<mode>2): Use that name.  Simplify.

From-SVN: r272903

	* config/i386/i386.md ("isa" attribute): Add sse_noavx.
	("enabled" attribute): Handle sse_noavx isa attribute.
	* config/i386/mmx.md (*vec_dupv2sf): Add "isa" attribute.
	Use TARGET_SSE && SSE_REGNO_P in split condition.
	(*vec_dupv2sf): Ditto.

From-SVN: r272902

@extenddf<mode>2_{fprs,vsx}


	* config/rs6000/rs6000.md (extenddf<mode>2_fprs): Make this a
	parameterized name.
	(extenddf<mode>2_vsx): Make this a parameterized name.
	(extenddf<mode>2): Use those names.  Simplify.

From-SVN: r272901

@eh_set_lr_<mode>


	* config/rs6000/rs6000.md (eh_set_lr_<mode>): Make this a parameterized
	name.
	(eh_return): Use that name.  Simplify.

From-SVN: r272900

@ctr<mode>


	* config/rs6000/rs6000.md (ctr<mode>): Make this a parameterized name.
	(doloop_end): Use that name.  Simplify.

From-SVN: r272899

@indirect_jump<mode>_nospec


	* config/rs6000/rs6000.md (indirect_jump<mode>_nospec): Make this a
	parameterized name.
	(indirect_jump): Use that name.  Simplify.

From-SVN: r272898

@abs<mode>2_internal


	* config/rs6000/rs6000.md (abs<mode>2_internal): Make this a
	parameterized name.
	(abs<mode>2): Use that name.  Simplify.

From-SVN: r272897

@fix_trunc<mode>si2_fprs


	* config/rs6000/rs6000.md (fix_trunc<mode>si2_fprs): Make this a
	parameterized name.
	(fix_trunc<mode>si2): Use that name.  Simplify.

From-SVN: r272896

@neg<mode>2


	* config/rs6000/rs6000.md (neg<mode>2): Make this a parameterized name.
	(allocate_stack): Use that name.  Simplify.

From-SVN: r272894

gcc/ChangeLog:

	PR middle-end/90923
	* hash-map.h (hash_map::put): On insertion invoke element ctor.
	(hash_map::get_or_insert): Same.  Reformat comment.
	* hash-set.h (hash_set::add): On insertion invoke element ctor.
	* hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): New.
 	* hash-set-tests.c (test_map_of_type_with_ctor_and_dtor): New.
	* hash-table.h (hash_table::operator=): Prevent copy assignment.
	 (hash_table::hash_table (const hash_table&)): Use copy ctor
	 instead of assignment to copy elements.

From-SVN: r272893

	PR target/90963
	* config/pa/pa.md (builtin_longjmp): Restore hard_frame_pointer_rtx
	using saved frame pointer.


Co-Authored-By: John David Anglin <danglin@gcc.gnu.org>

From-SVN: r272891

	PR middle-end/64242
	* config/sparc/sparc.md (nonlocal_goto): Restore frame pointer last.
	Add frame clobber and schedule blockage.

From-SVN: r272889

2019-07-01  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/invoke.texi (Link Options): Further editorial changes to
	-flinker-output docs.

From-SVN: r272887

The function rs6000_force_indexed_or_indirect_mem makes a memory
operand suitable for indexed (or indirect) addressing.  If the memory
address isn't yet valid, it loads the whole thing into a register to
make it valid.  That isn't optimal.  This changes it to load an
address that is the sum of two things into two registers instead.
This results in lower latency code, and if inside loops, a constant
term can be moved outside the loop.


	* config/rs6000/rs6000.c (rs6000_force_indexed_or_indirect_mem):
	Load both operands of a PLUS into registers separately.

From-SVN: r272886

From-SVN: r272885

We currently use subst definitions to handle the different variants of shift
count operands. Unfortunately, in the vector shift pattern the shift count
operand is used directly. Without it being adjusted for the 'subst' variants the
displacement value is omitted resulting in a wrong shift count being applied.

This patch needs to be applied to older branches as well.

gcc/ChangeLog:

2019-07-01  Andreas Krebbel  <krebbel@linux.ibm.com>

	* config/s390/vector.md:

gcc/testsuite/ChangeLog:

2019-07-01  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/vector/vec-shift-2.c: New test.

From-SVN: r272884

This patch removes a spurious error on an instantiation whose generic
unit has a formal package where some formal parameters are
box-initialiaed.  Previously the code assumed that box-initialization
for a formal package applied to all its formal parameters.

2019-07-01  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* sem_ch12.adb (Is_Defaulted): New predicate in
	Check_Formal_Package_Intance, to skip the conformance of checks
	on parameters of a formal package that are defaulted,

gcc/testsuite/

	* gnat.dg/generic_inst3.adb,
	gnat.dg/generic_inst3_kafka_lib-topic.ads,
	gnat.dg/generic_inst3_kafka_lib.ads,
	gnat.dg/generic_inst3_markets.ads,
	gnat.dg/generic_inst3_traits-encodables.ads,
	gnat.dg/generic_inst3_traits.ads: New testcase.

From-SVN: r272883

2019-07-01  Hristian Kirtchev  <kirtchev@adacore.com>

gcc/ada/

	* checks.adb, exp_ch9.adb, exp_unst.adb, sem_ch4.adb,
	sem_prag.adb, sem_spark.adb: Minor reformatting.

From-SVN: r272882

This patch allows the prefix of the attribute Enum_Rep to be an
attribute referece (such as Enum_Type'First). A recent patch had
restricted the prefix to be an object of a discrete type, which is
incompatible with orevious usage.

2019-07-01  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* sem_attr.adb (Analyze_Attribute, case Enum_Rep): Allow prefix
	of attribute to be an attribute reference of a discrete type.

gcc/testsuite/

	* gnat.dg/enum_rep.adb, gnat.dg/enum_rep.ads: New testcase.

From-SVN: r272881

2019-07-01  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* sem_ch12.adb (Analyze_Subprogram_Instantiation): Move up
	handling of Has_Pragma_Inline_Always and deal with
	Has_Pragma_No_Inline.

From-SVN: r272880

This patch fixes a spurious error on a derived type declaration whose
subtype indication is a subtype of a private type whose full view is a
constrained discriminated type.

2019-07-01  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* sem_ch3.adb (Build_Derived_Record_Type): If the parent type is
	declared as a subtype of a private type with an inherited
	discriminant constraint, its generated full base appears as a
	record subtype, so we need to retrieve its oen base type so that
	the inherited constraint can be applied to it.

gcc/testsuite/

	* gnat.dg/derived_type6.adb, gnat.dg/derived_type6.ads: New
	testcase.

From-SVN: r272879

SPARK RM 3.10 is the final version of the pointer ownership rules. Start
changing the implementation accordingly. Anonymous access types are not
fully supported yet.

There is no impact on compilation.

2019-07-01  Yannick Moy  <moy@adacore.com>

gcc/ada/

	* sem_spark.adb: Completely rework the algorithm for ownership
	checking, as the rules in SPARK RM have changed a lot.
	* sem_spark.ads: Update comments.

From-SVN: r272878

Use a field offset computation trick to avoid maintaining a list of
platforms.

2019-07-01  Dmitriy Anisimkov  <anisimko@adacore.com>

gcc/ada/

	* gsocket.h (Has_Sockaddr_Len): Use the offset of sin_family offset in
	the sockaddr_in structure to determine the existence of length field
	before the sin_family.

From-SVN: r272877

This patch adds a guard on the use of pragma Weak_External. This pragma
affects link-time addresses of entities, and does not apply to types.
Previous to this patch the compiler would abort on a misuse of the
pragma.

2019-07-01  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* sem_prag.adb (Analyze_Pragma, case Weak_External): Pragma only
	applies to entities with run-time addresses, not to types.

gcc/testsuite/

	* gnat.dg/weak3.adb, gnat.dg/weak3.ads: New testcase.

From-SVN: r272876

A rule about implicit Global contract for functions whose names overload
an abstract state was never implemented (and no user complained about
this). It is now removed, so references to other rules need to be
renumbered.

2019-07-01  Piotr Trojanek  <trojanek@adacore.com>

gcc/ada/

	* einfo.adb, sem_ch7.adb, sem_prag.adb, sem_util.adb: Update
	references to the SPARK RM after the removal of Rule 7.1.4(5).

From-SVN: r272875

Apparently the company behind LynxOS is now called Lynx Software
Technologies (formerly LynuxWorks).

Use the current name in user docs and the previous name in developer
comment (to hopefully reflect the company name at the time when the
patchset mentioned in the comment was released).

2019-07-01  Piotr Trojanek  <trojanek@adacore.com>

gcc/ada/

	* sysdep.c: Cleanup references to LynuxWorks in docs and
	comments.

From-SVN: r272874

This patch fixes the handling of validity checks on protected objects
that use the Lock-Free implementation when validity checks are enabled,
previous to this patch the compiler would report improperly that a
condition in a protected operation was always True (when comoipled with
-gnatwa) and would generate incorrect code fhat operation.

2019-07-01  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* checks.adb (Insert_Valid_Check): Do not apply validity check
	to variable declared within a protected object that uses the
	Lock_Free implementation, to prevent unwarranted constant
	folding, because entities within such an object msut be treated
	as volatile.

gcc/testsuite/

	* gnat.dg/prot7.adb, gnat.dg/prot7.ads: New testcase.

From-SVN: r272873

gimple-parser.c (c_parser_gimple_postfix_expression): Handle _Literal (char *) &"foo" for address literals pointing to STRING_CSTs.

2019-07-01  Richard Biener  <rguenther@suse.de>

	c/
	* gimple-parser.c (c_parser_gimple_postfix_expression): Handle
	_Literal (char *) &"foo" for address literals pointing to
	STRING_CSTs.

	* gcc.dg/gimplefe-42.c: New testcase.

From-SVN: r272872

2019-07-01  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* exp_ch9.adb (Check_Inlining): Deal with Has_Pragma_No_Inline.

From-SVN: r272871

2019-07-01  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* exp_unst.adb (Visit_Node, Check_Static_Type): Improve the
	handling of private and incomplete types whose full view is an
	access type, to detect additional uplevel references in dynamic
	bounds. This is relevant to N_Free_Statement among others that
	manipulate types whose full viww may be an access type.

From-SVN: r272870

2019-07-01  Pat Rogers  <rogers@adacore.com>

gcc/ada/

	* doc/gnat_rm/representation_clauses_and_pragmas.rst: Correct
	size indicated for R as a component of an array.
	* gnat_rm.texi: Regenerate.

From-SVN: r272869