PR target/85950
	* config/i386/i386.md (l<rounding_insn><MODEF:mode><SWI48:mode>2):
	Enable for TARGET_SSE4_1 and generate rounds{s,d} and cvtts{s,d}2si{,q}
	sequence.
	(sse4_1_round<mode>2): Use nonimmediate_operand
	for operand 1 predicate.

testsuite/ChangeLog:

	PR target/85950
	* gcc.target/i386/pr85950.c: New test.

From-SVN: r260903

PR middle-end/85888 - New test case c-c++-common/attr-nonstring-6.c from r260541 fails with excess errors

2018-05-29  Martin Sebor  <msebor@redhat.com>
	    Richard Biener  <rguenther@suse.de>

	PR testsuite/85888
	* calls.c (get_size_range): Call determine_value_range instead
	of get_value_range..
	* tree-vrp.h (determine_value_range): Declared new function.
	* tree-vrp.c (determine_value_range_1, determine_value_range): New.

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

From-SVN: r260902

	PR c++/85883
	* init.c (build_new): Handle deducing a class with new
	with more than one argument.

	* g++.dg/cpp1z/class-deduction55.C: New test.
	* g++.dg/cpp1z/class-deduction56.C: New test.
	* g++.dg/cpp1z/class-deduction57.C: New test.

From-SVN: r260901

	* include/std/variant (__erased_dtor): Qualify call to __get.

From-SVN: r260900

	PR c++/85952
	* init.c (build_aggr_init): For structured binding initialized from
	array call mark_rvalue_use on the initializer.

	* g++.dg/warn/Wunused-var-33.C: New test.

From-SVN: r260899

tree-vect-data-refs.c (vect_preserves_scalar_order_p): Make sure to use non-pattern stmts for get_earlier_stmt arguments.

2018-05-29  Richard Biener  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_preserves_scalar_order_p): Make
	sure to use non-pattern stmts for get_earlier_stmt arguments.
	* tree-vectorizer.h (get_earlier_stmt): Assert we do not get
	called on pattern stmts.
	(get_later_stmt): Likewise.

From-SVN: r260896

2018-05-29  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/85759
	* doc/gcov.texi: Document GCOV_ERROR_FILE and GCOV_EXIT_AT_ERROR
	env variables.
2018-05-29  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/85759
	* libgcov-driver-system.c (gcov_error): Introduce usage of
        GCOV_EXIT_AT_ERROR env. variable.
	* libgcov-driver.c (merge_one_data): Print error that we
        overwrite a gcov file with a different timestamp.

From-SVN: r260895

	* tree-cfg.c (verify_gimple_assign_unary): Add checking for
	VEC_UNPACK_*_EXPR.
	(verify_gimple_assign_binary): Check TYPE_VECTOR_SUBPARTS for
	VEC_PACK_*_EXPR.

From-SVN: r260894

re PR target/85918 (Conversions to/from [unsigned] long long are not vectorized for AVX512DQ target)

	PR target/85918
	* tree.def (VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR,
	VEC_PACK_FLOAT_EXPR): New tree codes.
	* tree-pretty-print.c (op_code_prio): Handle
	VEC_UNPACK_FIX_TRUNC_HI_EXPR and VEC_UNPACK_FIX_TRUNC_LO_EXPR.
	(dump_generic_node): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR,
	VEC_UNPACK_FIX_TRUNC_LO_EXPR and VEC_PACK_FLOAT_EXPR.
	* tree-inline.c (estimate_operator_cost): Likewise.
	* gimple-pretty-print.c (dump_binary_rhs): Handle VEC_PACK_FLOAT_EXPR.
	* fold-const.c (const_binop): Likewise.
	(const_unop): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR and
	VEC_UNPACK_FIX_TRUNC_LO_EXPR.
	* tree-cfg.c (verify_gimple_assign_unary): Likewise.
	(verify_gimple_assign_binary): Handle VEC_PACK_FLOAT_EXPR.
	* cfgexpand.c (expand_debug_expr): Handle VEC_UNPACK_FIX_TRUNC_HI_EXPR,
	VEC_UNPACK_FIX_TRUNC_LO_EXPR and VEC_PACK_FLOAT_EXPR.
	* expr.c (expand_expr_real_2): Likewise.
	* optabs.def (vec_packs_float_optab, vec_packu_float_optab,
	vec_unpack_sfix_trunc_hi_optab, vec_unpack_sfix_trunc_lo_optab,
	vec_unpack_ufix_trunc_hi_optab, vec_unpack_ufix_trunc_lo_optab): New
	optabs.
	* optabs.c (expand_widen_pattern_expr): For
	VEC_UNPACK_FIX_TRUNC_HI_EXPR and VEC_UNPACK_FIX_TRUNC_LO_EXPR use
	sign from result type rather than operand's type.
	(expand_binop_directly): For vec_packu_float_optab and
	vec_packs_float_optab allow result type to be different from operand's
	type.
	* optabs-tree.c (optab_for_tree_code): Handle
	VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR and
	VEC_PACK_FLOAT_EXPR.  Formatting fixes.
	* tree-vect-generic.c (expand_vector_operations_1):  Handle
	VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR and
	VEC_PACK_FLOAT_EXPR.
	* tree-vect-stmts.c (supportable_widening_operation): Handle
	FIX_TRUNC_EXPR.
	(supportable_narrowing_operation): Handle FLOAT_EXPR.
	* config/i386/i386.md (fixprefix, floatprefix): New code attributes.
	* config/i386/sse.md (*float<floatunssuffix>v2div2sf2): Rename to ...
	(float<floatunssuffix>v2div2sf2): ... this.  Formatting fix.
	(vpckfloat_concat_mode, vpckfloat_temp_mode, vpckfloat_op_mode): New
	mode attributes.
	(vec_pack<floatprefix>_float_<mode>): New expander.
	(vunpckfixt_mode, vunpckfixt_model, vunpckfixt_extract_mode): New mode
	attributes.
	(vec_unpack_<fixprefix>fix_trunc_lo_<mode>,
	vec_unpack_<fixprefix>fix_trunc_hi_<mode>): New expanders.
	* doc/md.texi (vec_packs_float_@var{m}, vec_packu_float_@var{m},
	vec_unpack_sfix_trunc_hi_@var{m}, vec_unpack_sfix_trunc_lo_@var{m},
	vec_unpack_ufix_trunc_hi_@var{m}, vec_unpack_ufix_trunc_lo_@var{m}):
	Document.
	* doc/generic.texi (VEC_UNPACK_FLOAT_HI_EXPR,
	VEC_UNPACK_FLOAT_LO_EXPR): Fix pasto in description.
	(VEC_UNPACK_FIX_TRUNC_HI_EXPR, VEC_UNPACK_FIX_TRUNC_LO_EXPR,
	VEC_PACK_FLOAT_EXPR): Document.

	* gcc.target/i386/avx512dq-pr85918.c: Add -mprefer-vector-width=512
	and -fno-vect-cost-model options.  Add aligned(64) attribute to the
	arrays.  Add suffix 1 to all functions and use 4 iterations rather
	than N.  Add functions with conversions to and from float.
	Add new set of functions with 8 iterations and another one
	with 16 iterations, expect 24 vectorized loops instead of just 4.
	* gcc.target/i386/avx512dq-pr85918-2.c: New test.

From-SVN: r260893

2018-05-29  Richard Biener  <rguenther@suse.de>

	* tree-vectorizer.h (struct vec_info): Add stmt_vec_infos
	member.
	(stmt_vec_info_vec): Make pointer.
	(init_stmt_vec_info_vec): Remove.
	(free_stmt_vec_info_vec): Likewise.
	(set_stmt_vec_info_vec): New function.
	(free_stmt_vec_infos): Likewise.
	(vinfo_for_stmt): Adjust for stmt_vec_info_vec indirection.
	(set_vinfo_for_stmt): Likewise.
	(get_earlier_stmt): Likewise.
	(get_later_stmt): Likewise.
	* tree-vectorizer.c (stmt_vec_info_vec): Make pointer.
	(vec_info::vec_info): Allocate stmt_vec_infos and set the global.
	(vec_info::~vec_info): Free stmt_vec_infos.
	(vectorize_loops): Set the global stmt_vec_info_vec to NULL.
	Remove old init_stmt_vec_info_vec/free_stmt_vec_info_vec calls.
	(pass_slp_vectorize::execute): Likewise.
	* tree-vect-stmts.c (init_stmt_vec_info_vec): Remove.
	(free_stmt_vec_info_vec): Likewise.
	(set_stmt_vec_info_vec): New function.
	(free_stmt_vec_infos): Likewise.
	* tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Set
	the global stmt_vec_info_vec.
	* tree-parloops.c (gather_scalar_reductions): Use
	set_stmt_vec_info_vec/free_stmt_vec_infos and maintain a local
	vector.

From-SVN: r260892

2018-05-29  Richard Biener  <rguenther@suse.de>

	* dominance.c (iterate_fix_dominators): Push/pop TV_DOMINANCE.

From-SVN: r260891

2018-05-29  Martin Liska  <mliska@suse.cz>
	    David Malcolm  <dmalcolm@redhat.com>

	* vec.c (test_reverse): New.
	(vec_c_tests): Add new test.
	* vec.h (vl_ptr>::reverse): New function.

Co-Authored-By: David Malcolm <dmalcolm@redhat.com>

From-SVN: r260890

This changes the wording in the documentation of the -gnatn switch to make
it use "units" rather than "modules" and also adjusts the usage message.

No functional changes.

2018-05-29  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* doc/gnat_ugn/building_executable_programs_with_gnat.rst (Alphabetical
	List of All Switches): Replace "modules" with "units".
	(Subprogram Inlining Control): Likewise.
	* gnat_ugn.texi: Regenerate.
	* usage.adb (Usage): Fix description of -gnatn switch.

From-SVN: r260889

2018-05-29  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

	* gcc-interface/Makefile.in: Fix typos.

From-SVN: r260888

2018-05-29  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* exp_ch7.adb (Build_Finalizer_Call): Attach to tree the reference to
	the finalizer procedure in the At_End handler, for use in LLVM
	generation.

From-SVN: r260887

When a private type declaration T1 is completed with a derivation of an
untagged private type that overrides the predefined equality primitive, and the
full view of T2 is a derivation of another private type T2 whose full view is a
tagged type, the compiler may generate code that references the wrong equality
primitive when processing comparisons of objects of type T1.

2018-05-29  Javier Miranda  <miranda@adacore.com>

gcc/ada/

	* exp_ch4.adb (Expand_N_Op_Eq, Expand_Composite_Equality): Use the new
	subprogram Inherits_From_Tagged_Full_View to identify more reliably
	untagged private types completed with a derivation of an untagged
	private whose full view is a tagged type.
	* sem_util.ads, sem_util.adb (Inherits_From_Tagged_Full_View): New
	subprogram.
	(Collect_Primitive_Operations): Handle untagged private types completed
	with a derivation of an untagged private type whose full view is a
	tagged type. In such case, collecting the list of primitives we may
	find two equality primitives: one associated with the untagged private
	and another associated with the ultimate tagged type (and we must
	remove from the returned list this latter one).

gcc/testsuite/

	* gnat.dg/equal2.adb: New testcase.

From-SVN: r260886

2018-05-29  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* exp_unst.adb (Visit_Node): Handle statement sequences that include an
	At_End handler.

From-SVN: r260885

The -gnatR switch outputs representation information for locally-defined
types but it was skipping those defined in blocks without label, unlike
those defined in named blocks.  This change plugs this small hole.

The following procedure:

procedure P is
begin
  declare
    type R is record
      I : Integer;
    end record;
  begin
    null;
  end;
end;

must now generate the following output with -gnatR:

Representation information for unit P (body)
--------------------------------------------

for B_1.R'Size use 32;
for B_1.R'Alignment use 4;
for B_1.R use record
   I at 0 range  0 .. 31;
end record;

2018-05-29  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* repinfo.adb (List_Entities): Also recurse into blocks without label.

From-SVN: r260884

2018-05-29  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* exp_ch6.adb (Expand_N_Subprogram_Body): Do not generate push/pop for
	exceptions if subprogram unnesting is in effect, because these branch
	nodes are relevant only in the presence of nested subprograms.

From-SVN: r260883

This patch fixes an error in the handling of attributes Pred qnd Succ when
applied to the limit values of a floating-point type. The RM mandates that
such operations must raise constraint_error, but GNAT generated in most cases
an infinite value, regardless of whether overflow checks were enabled.

2018-05-29  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* libgnat/s-fatgen.adb (Succ, Pred):  Raise Constraint_Error
	unconditionally when applied to the largest positive (resp. largest
	negative) value of a floating-point type.

gcc/testsuite/

	* gnat.dg/float_attributes_overflows.adb: New testcase.

From-SVN: r260882

2018-05-29  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* einfo.ads, einfo.adb: Clarify use of Activation_Record_Component:
	discriminants and exceptions are never components of such.  The flag
	Needs_Activation_Record is set on subprogram types, not on access to
	them.

From-SVN: r260881

2018-05-29  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* sem_ch3.adb: Set scope of component of subtype.

From-SVN: r260880

2018-05-29  Ed Schonberg  <schonberg@adacore.com>

gcc/ada/

	* exp_unst.adb (Visit_Node): Exclude selected components whose prefix
	carry no type. Such selected components appear in unit names that are
	child units, both in the specification and possibly in an end label for
	the unit, and they do not contain any relevant uplevel references.

From-SVN: r260879

2018-05-29  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

	* libgnat/a-calend.ads, libgnat/a-calend.adb (Epoch_Offset): Make it a
	function.

From-SVN: r260878

Based on the Vx6 versions, using a different link spec to accomodate VxWorks 7
specificities, in particular the ability in some configurations to rely on
.ctor sections to trigger constructors in kernel modules.

2018-05-29  Olivier Hainque  <hainque@adacore.com>

gcc/ada/

	* libgnat/system-vxworks7-ppc-rtp.ads: New file.
	* libgnat/system-vxworks7-ppc-kernel.ads: New file.
	* libgnat/system-vxworks7-e500-rtp.ads: New file.
	* libgnat/system-vxworks7-e500-kernel.ads: New file.
	* libgnat/system-vxworks7-x86-rtp.ads: New file.
	* libgnat/system-vxworks-ppc64-kernel.ads: Rename as ...
	* libgnat/system-vxworks7-ppc64-kernel.ads: and adjust name of
	gnat-crtbe link spec to use the vx7 variant.

From-SVN: r260877

Enforce a more explicit distinction of crtbegin objects holding
either functions with ctor/dtor attributes or _ctors/_dtors arrays,
or none of the two (no array, no attributes). Then allow/enforce
different linking strategies for VxWorks 7.

2018-05-29  Olivier Hainque  <hainque@adacore.com>

gcc/ada/

	* vx_crtbegin.inc: Use a consistent naming convention for the
	registration/deregistration functions across RTP or kernel.  Remove the
	ctor/dtor attribute setting based on RTP/kernel, expect the optional
	attribute extension to be provided by includers instead.
	* vx_crtbegin.c: Mere inclusion of vx_crtbegin.inc with empty attribute
	extension for the registration/deregistration functions.
	* vx_crtbegin_attr.c: New file. Include vx_crtbegin.inc with explicit
	constructor/destructor attribute extensions.
	* vx_crtbegin_array.c: New file. Include vx_crtbegin.inc with empty
	attribute extensions and declare _ctors/_dtors arrays.
	* vx_crtbegin_auto.c: Remove.
	* libgnat/system-vxworks7-aarch64-rtp-smp.ads: Use
	vxworks7-gnat-crtbe-link.spec.
	* libgnat/system-vxworks7-aarch64.ads: Likewise.
	* libgnat/system-vxworks7-e500-rtp-smp.ads: Likewise.
	* libgnat/system-vxworks7-ppc-rtp-smp.ads: Likewise.
	* libgnat/system-vxworks7-ppc64-rtp-smp.ads: Likewise.
	* libgnat/system-vxworks7-x86-kernel.ads: Likewise.
	* libgnat/system-vxworks7-x86-rtp-smp.ads: Likewise.
	* libgnat/system-vxworks7-x86_64-kernel.ads: Likewise.
	* libgnat/system-vxworks7-x86_64-rtp-smp.ads: Likewise.

From-SVN: r260876

2018-05-29  Piotr Trojanek  <trojanek@adacore.com>

gcc/ada/

	* ali.adb: Minor reformatting.

From-SVN: r260875

2018-05-29  Joel Brobecker  <brobecker@adacore.com>

gcc/ada/

	* doc/gnat_ugn/platform_specific_information.rst: Update package
	requirements for 32bit GNAT on x86_64-linux.
	* gnat_ugn.texi: Regenerate.

From-SVN: r260874

This decouples -gnatRj from the destination, either standard output or file,
so that it only toggles the format of the representation information.

2018-05-29  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* doc/gnat_ugn/building_executable_programs_with_gnat.rst (Debugging
	Control): Adjust description of -gnatRj.
	* gnat_ugn.texi: Regenerate.
	* opt.ads (List_Representation_Info_To_JSON): Likewise.
	* repinfo.adb (List_Rep_Info): Do not automatically create a file
	if List_Representation_Info_To_JSON is true.
	* switch-c.adb (Scan_Front_End_Switches) <R>: Remove incompatibility
	check between -gnatRj and -gnatRs.
	* usage.adb (Usage): Adjust description of -gnatRj.

From-SVN: r260873

Fix Normalize_Pathname to avoid a constraint error.

2018-05-29  Pascal Obry  <obry@adacore.com>

gcc/ada/

	* libgnat/s-os_lib.adb (Normalize_Pathname): Fix handling of ".." in
	the root directory.

gcc/testsuite/

	* gnat.dg/normalize_pathname.adb: New testcase.

From-SVN: r260872

2018-05-29  Pascal Obry  <obry@adacore.com>

gcc/ada/

	* libgnat/s-os_lib.adb: Minor reformatting.

From-SVN: r260871

2018-05-29  Doug Rupp  <rupp@adacore.com>

gcc/ada/

	* libgnat/a-calend.adb (Epoch_Offset): Move from body to ...
	* libgnat/a-calend.ads (Epoch_Offset): to private part of spec
	* libgnat/a-calcon.ads (To_Unix_Nano_Time): New function spec.
	* libgnat/a-calcon.adb (To_Unix_Nano_Time): New function body.

From-SVN: r260870

This arranges for the Discriminant_Number of discriminants to be output
by -gnatR in JSON mode.  This number is referenced in symbolic expressions
present for offsets and sizes, so its definition is also required for the
sake of completeness.

2018-05-29  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* repinfo.ads (JSON format): Document new pair for components.
	* repinfo.adb (Derived_Discriminant): New function.
	(List_Structural_Record_Layout): Add Outer_Ent parameter and pass it
	in recursive calls. If the record type is the parent of an extension,
	find and list the derived discriminant from the extension, if any.
	(List_Component_Layout): List the Discriminant_Number in JSON mode.
	(List_Record_Info): Adjust call to List_Structural_Record_Layout.

From-SVN: r260869

This adds a new variant to the -gnatR switch, namely -gnatRj, which causes
the compiler to output representation information to a file in the JSON
data interchange format.  It can be combined with -gnatR0/1/2/3/m (but is
incompatible with -gnaRe and -gnatRs).

The information output in this mode is a superset of that output in the
traditional -gnatR mode, but is otherwise equivalent for the common part.

2018-05-29  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* doc/gnat_ugn/building_executable_programs_with_gnat.rst (Alphabetical
	List of All Switches): Document -gnatRj.
	(Debugging Control): Likewise.
	* gnat_ugn.texi: Regenerate.
	* opt.ads (List_Representation_Info_To_JSON): New boolean variable.
	* osint-c.adb (Create_Repinfo_File): Use the .json instead of .rep
	extension if List_Representation_Info_To_JSON is true.
	* repinfo.ads: Document the JSON output format.
	* repinfo.adb (List_Location): New procedure.
	(List_Array_Info): Add support for JSON output.
	(List_Entities): Likewise.
	(Unop): Likewise.
	(Binop): Likewise.
	(Print_Expr): Likewise.
	(List_Linker_Section): Likewise.
	(List_Mechanisms): Likewise.
	(List_Name): Likewise.
	(List_Object_Info): Likewise.
	(List_Record_Info): Likewise.
	(List_Component_Layout): Likewise.  Add Indent parameter.
	(List_Structural_Record_Layout): New procedure.
	(List_Attr): Add support for JSON output.
	(List_Type_Info): Likewise.
	(Write_Unknown_Val): Likewise.
	* switch-c.adb (Scan_Front_End_Switches) <R>: Deal with 'j'.
	* usage.adb (Usage): List -gnatRj.

From-SVN: r260868

This extracts a worker procedure for printing the layout of a single component
from List_Record_Layout so as to make the next change more readable.

2018-05-29  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* repinfo.adb (List_Component_Layout): New procedure extracted from...
	(List_Record_Layout): ...here.  Invoke it.

From-SVN: r260867

This factors out the various cases where a marker for an unknown value is
output by the -gnatR switches.  No functional changes.

2018-05-29  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* repinfo.adb (Write_Unknown_Val): New procedure.
	(List_GCC_Expression): Call it.
	(List_Record_Layout): Likewise.
	(Write_Val): Likewise.

From-SVN: r260866

2018-05-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

gcc/ada/

	* exp_ch4.adb (Expand_N_Op_Abs): Clear Do_Overflow_Check when inserting
	code to do check.

From-SVN: r260865

2018-05-29  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

	* lib-writ.adb (Write_ALI): Do not use new function from s-casuti yet.
	This breaks build of cross compilers with older versions of GNAT, so
	better avoid it.

From-SVN: r260864

2018-05-29  Doug Rupp  <rupp@adacore.com>

gcc/ada/

	* libgnarl/s-taprop.ads (Monotonic_Clock): Refine documentation to
	reflect reality.

From-SVN: r260863

2018-05-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

gcc/ada/

	* exp_ch4.adb (Expand_N_Op_Abs): Always do range check against 'First.

From-SVN: r260862