gcc.git
8 years agosyscall: Add definition for NLA_HDRLEN
Ian Lance Taylor [Fri, 18 Dec 2015 01:15:37 +0000 (01:15 +0000)]
syscall: Add definition for NLA_HDRLEN

    This change updates mksysinfo.sh so it correctly
    includes the define NLA_HDRLEN in the syscall package.

    Fixes golang/go/#13629

    Reviewed-on: https://go-review.googlesource.com/17893

From-SVN: r231796

8 years agoMark recently obsoleted targets (openbsd3 and knetbsd)
Jan-Benedict Glaw [Fri, 18 Dec 2015 00:17:52 +0000 (00:17 +0000)]
Mark recently obsoleted targets (openbsd3 and knetbsd)

2015-12-17  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

* config-list.mk (LIST): Add --enable-obsolete to recently obsoleted
targets x86_64-knetbsd-gnu, i686-knetbsd-gnu and i686-openbsd3.0 .

From-SVN: r231794

8 years agoDaily bump.
GCC Administrator [Fri, 18 Dec 2015 00:16:12 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r231793

8 years ago[PATCH] Limit path splitting to loops we optimize for speed
Jeff Law [Thu, 17 Dec 2015 23:33:44 +0000 (16:33 -0700)]
[PATCH] Limit path splitting to loops we optimize for speed

* doc/invoke.texi (-O2 options): Remove -fsplit-paths.
(-O3 options): Add -fsplit-paths.
* gimple-ssa-split-paths.c: Include predict.h
(split_paths): Only split paths in a loop that should be
optimized for speed.
* opts.c (default_options_table): Move -fsplit-paths from -O2 to
-O3.

* gcc.dg/tree-ssa/split-path-1.c: Explicitly ask for path
splitting optimizations.

From-SVN: r231790

8 years agoipa-icf.c (sem_item_optimizer::merge): Don't pick 'main' as the source function.
Nathan Sidwell [Thu, 17 Dec 2015 21:29:30 +0000 (21:29 +0000)]
ipa-icf.c (sem_item_optimizer::merge): Don't pick 'main' as the source function.

gcc/
* ipa-icf.c (sem_item_optimizer::merge): Don't pick 'main' as the
source function.

gcc/testsuite/
* gcc.dg/ipa/ipa-icf-merge-1.c: New.

From-SVN: r231787

8 years agoC FE: improvements to ranges of bad return values
David Malcolm [Thu, 17 Dec 2015 21:25:36 +0000 (21:25 +0000)]
C FE: improvements to ranges of bad return values

gcc/c/ChangeLog:
* c-parser.c (c_parser_statement_after_labels): When calling
c_finish_return, Use the return expression's location if it has
one, falling back to the location of the first token within it.
* c-typeck.c (c_finish_return): When issuing warnings about
the incorrect presence/absence of a return value, issue a note
showing the declaration of the function.

gcc/testsuite/ChangeLog:
* gcc.dg/diagnostic-range-bad-return.c: New test case.

From-SVN: r231786

8 years agoreplace ISL with isl
Sebastian Pop [Thu, 17 Dec 2015 18:50:05 +0000 (18:50 +0000)]
replace ISL with isl

From-SVN: r231784

8 years agomove all isl include files to graphite.h
Sebastian Pop [Thu, 17 Dec 2015 17:52:17 +0000 (17:52 +0000)]
move all isl include files to graphite.h

* graphite-dependences.c: Move all isl include files to...
* graphite-isl-ast-to-gimple.c: Same.
* graphite-optimize-isl.c: Same.
* graphite-poly.c: Same.
* graphite-scop-detection.c: Same.
* graphite.c: Same.
* graphite.h: ... here.

From-SVN: r231783

8 years agoavr.h (MOVE_MAX): Set value to 1.
Senthil Kumar Selvaraj [Thu, 17 Dec 2015 16:55:39 +0000 (19:55 +0300)]
avr.h (MOVE_MAX): Set value to 1.

        * config/avr/avr.h (MOVE_MAX): Set value to 1.
        (MOVE_MAX_PIECES): Define.
        (MOVE_RATIO): Define.
        * config/avr/avr.c (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P):
        Provide target hook.
        (avr_use_by_pieces_infrastructure_p): New function.

From-SVN: r231782

8 years agore PR c++/67550 (Initialization of local struct array with elements of global array...
Jason Merrill [Thu, 17 Dec 2015 16:51:58 +0000 (11:51 -0500)]
re PR c++/67550 (Initialization of local struct array with elements of global array yields zeros instead of initializer values)

PR c++/67550

* init.c (constant_value_1): Don't return a CONSTRUCTOR missing
non-constant elements.

From-SVN: r231777

8 years agore PR c++/67576 (expression of typeid( expression ) is evaluated twice)
Jason Merrill [Thu, 17 Dec 2015 16:51:52 +0000 (11:51 -0500)]
re PR c++/67576 (expression of typeid( expression ) is evaluated twice)

PR c++/67576

PR c++/25466
* rtti.c (build_typeid): Use save_expr, not stabilize_reference.

From-SVN: r231776

8 years agoMAINTAINERS (Write After Approval): Add Myself.
Andris Pavenis [Thu, 17 Dec 2015 16:42:21 +0000 (18:42 +0200)]
MAINTAINERS (Write After Approval): Add Myself.

2015-12-17  Andris Pavenis  <andris.pavenis@iki.fi>

        * MAINTAINERS (Write After Approval): Add Myself.

From-SVN: r231775

8 years agoobsolete the interix target
Trevor Saunders [Thu, 17 Dec 2015 15:21:29 +0000 (15:21 +0000)]
obsolete the interix target

gcc/ChangeLog:

2015-12-17  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* config.gcc: mark *-interix* as obsolete.

From-SVN: r231774

8 years agoobsolete openbsd 2.0 and 3.X
Trevor Saunders [Thu, 17 Dec 2015 15:21:24 +0000 (15:21 +0000)]
obsolete openbsd 2.0 and 3.X

gcc/ChangeLog:

2015-12-17  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* config.gcc: Mark openbsd 2.0 and 3.X as obsolete.

From-SVN: r231773

8 years agomark *-knetbsd-* as obsolete
Trevor Saunders [Thu, 17 Dec 2015 15:21:18 +0000 (15:21 +0000)]
mark *-knetbsd-* as obsolete

gcc/ChangeLog:

2015-12-17  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* config.gcc: Mark knetbsd targets as obsolete.

From-SVN: r231772

8 years agonvptx.h (NVPTX_RETURN_REGNUM, [...]): Renumber.
Nathan Sidwell [Thu, 17 Dec 2015 15:06:03 +0000 (15:06 +0000)]
nvptx.h (NVPTX_RETURN_REGNUM, [...]): Renumber.

* config/nvptx/nvptx.h (NVPTX_RETURN_REGNUM, FRAME_POINTER_REGNUM,
ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Renumber.
(REGISTER_NAMES): Update and rename.
(FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
(enum_reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Reformat.

From-SVN: r231771

8 years agore PR tree-optimization/68946 (ICE at -O3 on x86_64-linux-gnu in both 32- and 64...
Richard Biener [Thu, 17 Dec 2015 14:30:53 +0000 (14:30 +0000)]
re PR tree-optimization/68946 (ICE at -O3 on x86_64-linux-gnu in both 32- and 64-bit modes (in vect_analyze_stmt, at tree-vect-stmts.c:8013))

2015-12-17  Richard Biener  <rguenther@suse.de>

PR tree-optimization/68946
* tree-vect-slp.c (vect_slp_analyze_node_operations): Push
SLP def type to stmt operands one stmt at a time.

* gcc.dg/torture/pr68946.c: New testcase.

From-SVN: r231770

8 years agoWunused-var-13.c: Requires label values.
Nathan Sidwell [Thu, 17 Dec 2015 14:21:57 +0000 (14:21 +0000)]
Wunused-var-13.c: Requires label values.

* c-c++-common/Wunused-var-13.c: Requires label values.
* gcc.dg/torture/pr46216.c: Likewise.

From-SVN: r231769

8 years agoDWARF: describe properly Ada packed arrays
Pierre-Marie de Rodat [Thu, 17 Dec 2015 14:10:32 +0000 (14:10 +0000)]
DWARF: describe properly Ada packed arrays

gcc/ada/ChangeLog:

* gcc-interface/ada-tree.h
(TYPE_IMPLEMENTS_PACKED_ARRAY_P, TYPE_CAN_HAVE_DEBUG_TYPE_P,
TYPE_ORIGINAL_PACKED_ARRAY, SET_TYPE_ORIGINAL_PACKED_ARRAY): New
macros.
* gcc-interface/decl.c (add_parallel_type_for_packed_array):
Rename to associate_original_type_to_packed_array.  When
-fgnat-encodings=minimal, set original packed array type as so
instead of as a parallel type to the implementation type.  In
this case, also rename the implementation type to the name of
the original array type.
(gnat_to_gnu_entity): Update invocations to
add_parallel_type_for_packed_array.  Tag ARRAY_TYPE nodes for
packed arrays with the TYPE_PACKED flag.
When -fgnat-encodings=minimal:
  - strip ___XP suffixes in packed arrays' names;
  - set the debug type for padding records around packed arrays
    to the packed array;
  - do not attach ___XUP types as parallel types of constrained
    array types.
* gcc-interface/misc.c (gnat_print_type): Update to handle
orignal packed arrays.
(gnat_get_debug_type): Update to reject packed arrays
implementation types.
(get_array_bit_stride): New.
(gnat_get_array_descr_info): Add packed arrays handling.
* gcc-interface/utils.c (maybe_pad_type): When
-fgnat-encodings=minimal, set the name of the padding type to
the one of the original packed type, if any.  Fix TYPE_DECL
peeling around the name of the input type.

From-SVN: r231768

8 years agoDWARF: add a language hook for scalar biased types
Pierre-Marie de Rodat [Thu, 17 Dec 2015 14:10:24 +0000 (14:10 +0000)]
DWARF: add a language hook for scalar biased types

Front-ends like GNAT for Ada sometimes use biased encodings for integral
types.  This change creates a new language hook so that the bias
information can make it into the debugging information back-end and
introduces an experimental DWARF attribute to hold it.

gcc/ada/ChangeLog:

* gcc-interface/misc.c (gnat_get_type_bias): New.
(LANG_HOOKS_GET_TYPE_BIAS): Redefine macro to implement the
get_type_bias language hook.

gcc/ChangeLog:

* langhooks.h (struct lang_hooks_for_types): New get_bias_field.
* langhooks-def.h (LANG_HOOKS_GET_TYPE_BIAS): New.
(LANG_HOOKS_FOR_TYPES_INITIALIZER): Initialize the
get_bias_field.
* dwarf2out.c
(base_type_die): In non-strict DWARF mode, invoke the
get_type_bias language hook for INTEGER_TYPE nodes.  If it
returns a bias, emit an attribute for it.
(subrange_type_die): Change signature to handle bias.  If
non-strict DWARF mode, emit an attribute for it, if one passed.
(modified_type_die): For subrange types, invoke the
get_type_bias langage hook and pass the bias to
subrange_type_die.

From-SVN: r231767

8 years agoDWARF: create a macro for max dimensions for array descr. lang. hook
Pierre-Marie de Rodat [Thu, 17 Dec 2015 14:10:12 +0000 (14:10 +0000)]
DWARF: create a macro for max dimensions for array descr. lang. hook

The array descriptor language hook can hold the description of a limited
number of array dimensions.  This macro will ease preventing overflow in
front-ends.

gcc/ada/ChangeLog:

* gcc-interface/misc.c (gnat_get_array_descr_info): When the
array has more dimensions than the language hook can handle,
fall back to a nested arrays description.  Handle context-less
array types.

gcc/ChangeLog:

* dwarf2out.h (DWARF2OUT_ARRAY_DESCR_INFO_MAX_DIMEN): New macro.
(struct array_descr_info): Use it for the dimensions array's
size.
* dwarf2out.c (gen_type_die_with_usage): Check that the array
descr. language hook does not return an array with more
dimensions that it should.

From-SVN: r231766

8 years agoDWARF: describe Ada dynamic arrays as proper arrays
Pierre-Marie de Rodat [Thu, 17 Dec 2015 14:10:03 +0000 (14:10 +0000)]
DWARF: describe Ada dynamic arrays as proper arrays

gcc/ada/ChangeLog:

* gcc-interface/decl.c (gnat_to_gnu_entity): When
-fgnat-encodings-minimal, do not add ___XUP/XUT suffixes to type
names and do not generate ___XA parallel types.
* gcc-interface/misc.c (gnat_get_array_descr_info): Match fat
and thin pointers and generate the corresponding array type
descriptions.

From-SVN: r231765

8 years agoDWARF: add a language hook for fixed-point types
Pierre-Marie de Rodat [Thu, 17 Dec 2015 14:09:55 +0000 (14:09 +0000)]
DWARF: add a language hook for fixed-point types

Support for fixed-point types in GCC is not powerful enough for Ada
fixed-point types: GNAT uses regular scalar types to implement them.
This new language hook makes it possible to output the desired debugging
information anyway.

gcc/ada/ChangeLog:

* gcc-interface/ada-tree.def (POWER_EXPR): New binary operation.
* gcc-interface/ada-tree.h (TYPE_FIXED_POINT_P): New macro.
(TYPE_IS_FIXED_POINT_P): New macro.
(TYPE_SCALE_FACTOR): New macro.
(SET_TYPE_SCALE_FACTOR): New macro.
* gcc-interface/decl.c: Include urealp.h
(gnat_to_gnu_entity): Attach trees to encode scale factors to
fixed-point types.
* gcc-interface/misc.c (gnat_print_type): Print scale factors
for fixed-point types.
(gnat_get_fixed_point_type_info): New.
(gnat_init_ts): Initialize data for the POWER_EXPR binary
operation.
(LANG_HOOKS_GET_FIXED_POINT_INFO): Redefine macro to implement
the get_fixed_point_type_info language hook.

gcc/ChangeLog:

* langhooks.h (struct lang_hooks_for_types): Add a
get_fixed_point_type_info field.
* langhooks-def.h (LANG_HOOKS_GET_FIXED_POINT_TYPE_INFO): New
macro.
(LANG_HOOKS_FOR_TYPES_INITIALIZER): Initialize the
get_fixed_point_type_info field.
* dwarf2out.h (enum fixed_point_scale_factor): New.
(struct fixed_point_type_info): New.
* dwarf2out.c (base_type_die): In DWARFv3 or non-strict DWARF
mode, get fixed-point type information using the debugging hook
and describe it in DWARF, if any.

From-SVN: r231764

8 years agoDWARF: add a language hook to override types in debugging information
Pierre-Marie de Rodat [Thu, 17 Dec 2015 14:09:45 +0000 (14:09 +0000)]
DWARF: add a language hook to override types in debugging information

Many artificial types are introduced by GNAT in order to satisfy
constraints in GCC's internal trees or to generate optimal code.  These
hide original types from sources and miss useful information in the
debugging information or add noise to it and make debugging confusing.
This change introduces a new language hook to give a chance to
front-ends to restore the source types in the debugging information.

This change also enhance the array descriptor language hook to handle
array-wide bit/byte stride.  Some arrays may contain dynamically-sized
objects.  Debuggers need for these a hint to know the size allocated for
each element, hence the need for the array-wide bit/byte stride.

The Ada front-end is enhanced to take advantage of both hooks when
-fgnat-encodings=minimal, in order to keep compatibility with GDB.

gcc/ada/ChangeLog:

* gcc-interface/ada-tree.h (struct lang_type): Rename the t
field as t1 and add a t2 one.
(get_lang_specific): New.
(GET_TYPE_LANG_SPECIFIC): Refactor to use get_lang_specific.
(SET_TYPE_LANG_SPECIFIC): Likewise.
(GET_TYPE_LANG_SPECIFIC2): New macro.
(SET_TYPE_LANG_SPECIFIC2): New macro.
(TYPE_DEBUG_TYPE): New macro.
(SET_TYPE_DEBUG_TYPE): New macro.
* gcc-interface/decl.c (gnat_to_gnu_entity): When
-fgnat-encodings=minimal, set padding types' debug type to the
padded one (i.e. strip ___PAD GNAT encodings) and set
constrained record subtypes's debug type to the base type.
* gcc-interface/misc.c (gnat_print_type): Print debug types.
(gnat_get_debug_type): New.
(gnat_get_array_descr_info): When -fgnat-encodings=minimal, set
a byte stride for arrays that contain a type whose debug type
has variable length.
(LANG_HOOKS_GET_DEBUG_TYPE): Redefine macro to implement the
debug type language hook.
* gcc-interface/utils.c (maybe_pad_type): When
-fgnat-encodings=minimal, set padding types' debug type to the
padded one.  Restore XVZ variables creation when
-fgnat-encodings-minimal and use them to hold padding types'
byte size.  For library-level padding types, share this variable
across translation units.  Tag XVZ variables as artificial.

gcc/ChangeLog:

* langhooks.h (struct lang_hooks_for_types): Add a
get_debug_type field.
* langhooks-def.h (LANG_HOOKS_GET_DEBUG_TYPE): New macro.
(LANG_HOOKS_FOR_TYPES_INITIALIZER): Initialize the
get_debug_type field.
* dwarf2out.h (struct array_descr_info): Add an array-wide
stride field.
* dwarf2out.c (modified_type_die): Invoke the get_debug_type
language hook, process its result instead, if any.
(gen_descr_array_type_die): Add array-wide stride processing.

From-SVN: r231763

8 years agoDWARF: handle variable-length records and variant parts
Pierre-Marie de Rodat [Thu, 17 Dec 2015 14:09:36 +0000 (14:09 +0000)]
DWARF: handle variable-length records and variant parts

Enhance the DWARF back-end to emit proper descriptions for
variable-length records as well as variant parts in records.

In order to achieve this, generate DWARF expressions ("location
descriptions" in dwarf2out's parlance) for size and data member location
attributes.  Also match QUAL_UNION_TYPE data types as variant parts,
assuming the formers appear only to implement the latters (which is the
case at the moment: only the Ada front-end emits them).

Note that very few debuggers can handle these descriptions (GDB does not
yet), so in order to ease the the transition enable these only when
-fgnat-encodings=minimal.

gcc/ada/ChangeLog:

* gcc-interface/decl.c (gnat_to_gnu_entity): Disable ___XVS GNAT
encodings when -fgnat-encodings=minimal.
(components_to_record): Disable ___XVE, ___XVN, ___XVU and
___XVZ GNAT encodings when -fgnat-encodings=minimal.
* gcc-interface/utils.c (maybe_pad_type): Disable __XVS GNAT
encodings when -fgnat-encodings=minimal.

gcc/ChangeLog:

* debug.h (struct gcc_debug_hooks): Add a new size_function
hook.
* debug.c (do_nothing_debug_hooks): Set the size_function field
to no-op.
* dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
* sdbout.c (sdb_debug_hooks): Likewise.
* vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
* stor-layout.c (finalize_size_functions): Let the debug info
back-end know about the implementation of size functions.
* dwarf2out.h (dw_discr_list_ref): New typedef.
(enum dw_val_class): Add value classes for discriminant values
and discriminant lists.
(struct dw_discr_value): New structure.
(struct dw_val_node): Add discriminant values and discriminant
lists to the union.
(struct dw_loc_descr_node): Add frame_offset_rel and
dw_loc_frame_offset (only for checking) fields to handle DWARF
procedures generation.
(struct dw_discr_list_node): New structure.
* dwarf2out.c (dwarf2out_size_function): New.
(dwarf2_debug_hooks): Set the size_function field to
dwarf2out_size_function.
(dwarf2_lineno_debug_hooks): Set the size_function field to
no-op.
(new_loc_descr): Initialize the
dw_loc_frame_offset field.
(dwarf_proc_stack_usage_map): New.
(dw_val_equal_p): Handle discriminants.
(size_of_discr_value): New.
(size_of_discr_list): New.
(size_of_die): Handle discriminants.
(add_loc_descr_to_each): New.
(add_loc_list): New.
(print_discr_value): New.
(print_dw_val): Handle discriminants.
(value_format): Handle discriminants.
(output_discr_value): New.
(output_die): Handle discriminants.
(output_loc_operands): Handle DW_OP_call2 and DW_OP_call4.
(uint_loc_descriptor): New.
(uint_comparison_loc_list): New.
(loc_list_from_uint_comparison): New.
(add_discr_value): New.
(add_discr_list): New.
(AT_discr_list): New.
(loc_descr_to_next_no_op): New.
(free_loc_descr): New.
(loc_descr_without_nops): New.
(struct loc_descr_context): Add a dpi field.
(struct dwarf_procedure_info): New helper structure.
(new_dwarf_proc_die): New.
(is_handled_procedure_type): New.
(resolve_args_picking_1): New.
(resolve_args_picking): New.
(function_to_dwarf_procedure): New.
(copy_dwarf_procedure): New.
(copy_dwarf_procs_ref_in_attrs): New.
(copy_dwarf_procs_ref_in_dies): New.
(break_out_comdat_types): Copy DWARF procedures along with the
types that reference them.
(loc_list_from_tree): Rename into loc_list_from_tree_1.  Handle
CALL_EXPR in the cases suitable for DWARF procedures.  Handle
for PARM_DECL when generating a location description for a DWARF
procedure.  Handle big unsigned INTEGER_CST nodes.  Handle
NON_LVALUE_EXPR, EXACT_DIV_EXPR and all unsigned comparison
operators.  Add a wrapper for loc_list_from_tree that strips
DW_OP_nop operations from the result.
(type_byte_size): New.
(struct vlr_context): New helper structure.
(field_byte_offset): Change signature to return either a
constant offset or a location description for dynamic ones.
Handle dynamic byte offsets with constant bit offsets and handle
fields in variant parts.
(add_data_member_location): Change signature to handle dynamic
member offsets and fields in variant parts.  Update call to
field_byte_offset.  Handle location lists.  Emit a variable data
member location only when -fgnat-encodings=minimal.
(add_bound_info): Emit self-referential bounds only when
-fgnat-encodings=minimal.
(add_byte_size_attribute): Use type_byte_size in order to handle
dynamic type sizes.  Emit variable byte size only when
-fgnat-encodings=minimal and when the target DWARF version
allows them.
(add_bit_offset_attribute): Change signature to handle
variable-length records.  Update call to field_byte_offset.
(gen_descr_array_type_die): Update call to gen_field_die.
Update loc_descr_context literal.
(gen_type_die_for_member): Likewise.
(gen_subprogram_die): Update calls to get_decl_die.
(gen_field_die): Change signature to handle variable-length
records.  Update calls to add_bit_offset_attribute and
add_data_member_location_attribute.
(gen_inheritance_die): Update call to
add_data_member_location_attribute.
(gen_decl_die): Change signature to handle variable-length
records.  Update call to gen_field_die.
(gen_inheritance_die): Change signature to handle
variable-length records.  Update call to
add_data_member_location_attribute.
(is_variant_part): New.
(analyze_discr_in_predicate): New.
(get_discr_value): New.
(analyze_variants_discr): New.
(gen_variant_part): New.
(gen_member_die): Update calls to gen_decl_die.  Call instead
gen_variant_part for variant parts.
(gen_type_die_with_usage): Update calls to gen_decl_die.
(process_scope_var): Likewise.
(force_decl_die): Likewise.
(declare_in_namespace): Likewise.
(dwarf2out_decl): Likewise.
(prune_unused_types_walk_loc_descr): New.
(prune_unused_types_walk_attribs): Mark DIEs referenced by
location descriptions and loc. descr. lists.
(prune_unused_types_walk): Don't mark DWARF procedures by
default.  Mark variant parts since nothing is supposed to
reference them.
(dwarf2out_init): Allocate dwarf_proc_stack_usage_map.
(dwarf2out_c_finalize): Deallocate and reset
dwarf_proc_stack_usage_map.

gcc/testsuite/ChangeLog:

* gnat.dg/specs/debug1.ads: Update the expected number of
DW_AT_artificial attribute in compiler output.

From-SVN: r231762

8 years agoAdd a flag to control the balance between GNAT encodings and std. DWARF
Pierre-Marie de Rodat [Thu, 17 Dec 2015 14:09:26 +0000 (14:09 +0000)]
Add a flag to control the balance between GNAT encodings and std. DWARF

In order to accomodate the debugger's support evolution for "new" DWARF
constructs, we need to have an flag that controls the amount of GNAT
encodings/standard DWARF information that is emitted in the debug info.
Propagate this new parameter into the Ada front-end.

gcc/ChangeLog:

* common.opt (gnat_encodings): New variable
(dwarf_gnat_encodings): New enum type.
(fgnat_encodings): New option.
* flag-types.h (enum dwarf_gnat_encodings): New.

gcc/ada/ChangeLog:

* gcc-interface/misc.c (gnat_encodings): Undefine macro and
declare a global variable.
(gnat_post_options): Initialize this global from options.

From-SVN: r231761

8 years agoisl.m4 (ISL_CHECK_VERSION): Add gmp libs.
Nathan Sidwell [Thu, 17 Dec 2015 13:56:45 +0000 (13:56 +0000)]
isl.m4 (ISL_CHECK_VERSION): Add gmp libs.

* config/isl.m4 (ISL_CHECK_VERSION): Add gmp libs.
* configure: Regenerate.

From-SVN: r231759

8 years agotree.h (TYPE_MODE_RAW): New macro.
Christian Bruel [Thu, 17 Dec 2015 13:56:05 +0000 (14:56 +0100)]
tree.h (TYPE_MODE_RAW): New macro.

2015-12-17  Christian Bruel  <christian.bruel@st.com>

* tree.h (TYPE_MODE_RAW): New macro.
* tree-streamer-out.c (pack_ts_type_common_value_fields):
Replace TYPE_MODE by TYPE_MODE_RAW.

From-SVN: r231758

8 years agore PR tree-optimization/68835 (ICE in set_value_range, at tree-vrp.c:387, with __int1...
Jakub Jelinek [Thu, 17 Dec 2015 13:52:25 +0000 (14:52 +0100)]
re PR tree-optimization/68835 (ICE in set_value_range, at tree-vrp.c:387, with __int128 bit field)

PR tree-optimization/68835
* tree.c (get_int_cst_ext_nunits): Return
cst.get_precision () / HOST_BITS_PER_WIDE_INT + 1
for all unsigned wi::neg_p (cst) constants.
(build_new_int_cst): If cst.get_precision is not a multiple
of HOST_BITS_PER_WIDE_INT, zero extend -1 to the precision
% HOST_BITS_PER_WIDE_INT.

* gcc.dg/pr68835-1.c: New test.
* gcc.dg/pr68835-2.c: New test.

From-SVN: r231757

8 years agoFix wrong PR references
Patrick Palka [Thu, 17 Dec 2015 13:30:04 +0000 (13:30 +0000)]
Fix wrong PR references

PR c++/59878 -> PR c++/59879

From-SVN: r231755

8 years agore PR tree-optimization/68951 (ICE in vect_update_misalignment_for_peel)
Richard Biener [Thu, 17 Dec 2015 12:34:27 +0000 (12:34 +0000)]
re PR tree-optimization/68951 (ICE in vect_update_misalignment_for_peel)

2015-12-17  Richard Biener  <rguenther@suse.de>

PR tree-optimization/68951
* tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost):
Ignore strided non-group accesses.

* gcc.dg/torture/pr68951.c: New testcase.

From-SVN: r231754

8 years agoarc.c (arc_loop_hazard): Don't convert the jump label rtx to an rtx_insn until we...
Andrew Burgess [Thu, 17 Dec 2015 10:53:43 +0000 (10:53 +0000)]
arc.c (arc_loop_hazard): Don't convert the jump label rtx to an rtx_insn until we confirm it's not a...

2015-12-17  Andrew Burgess  <andrew.burgess@embecosm.com>
gcc:
        * config/arc/arc.c (arc_loop_hazard): Don't convert the jump label
        rtx to an rtx_insn until we confirm it's not a return rtx.
gcc/testsuite:
        * gcc.target/arc/loop-hazard-1.c: New file

From-SVN: r231752

8 years agogimple-ssa.h (struct gimple_df): Remove modified_noreturn_calls field.
Richard Biener [Thu, 17 Dec 2015 10:15:03 +0000 (10:15 +0000)]
gimple-ssa.h (struct gimple_df): Remove modified_noreturn_calls field.

2015-12-17  Richard Biener  <rguenther@suse.de>

* gimple-ssa.h (struct gimple_df): Remove modified_noreturn_calls
field.
* tree-ssa.c (delete_tree_ssa): Do not zero it.

From-SVN: r231751

8 years agoOnly support -gstabs on Mac OS X if assember supports it (PR target/67973)
Rainer Orth [Thu, 17 Dec 2015 09:23:08 +0000 (09:23 +0000)]
Only support -gstabs on Mac OS X if assember supports it (PR target/67973)

gcc:
PR target/67973
* configure.ac (gcc_cv_as_stabs_directive): New test.
* configure: Regenerate.
* config.in: Regenerate.
* config/darwin.h (DBX_DEBUGGING_INFO): Wrap in
HAVE_AS_STABS_DIRECTIVE.
(PREFERRED_DEBUGGING_TYPE): Likewise.
* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Only include
DBX_DEBUG if HAVE_AS_STABS_DIRECTIVE.

* doc/sourcebuild.texi (Effective-Target Keywords, Environment
attributes): Document stabs.

gcc/testsuite:
PR target/67973
* lib/target-supports.exp (check_effective_target_stabs): New
proc.
* g++.dg/cpp0x/alias-decl-debug-0.C: Restrict to stabs targets.
* g++.dg/other/PR23205.C: Likewise.
* g++.dg/other/pr23205-2.C: Likewise.
* gcc.dg/20040813-1.c: Likewise.
* gcc.dg/darwin-20040809-2.c: Likewise.
* objc.dg/stabs-1.m: Likewise.

From-SVN: r231747

8 years agojump-around-jump.c (rtc_set_time): Declare.
Andrew Burgess [Thu, 17 Dec 2015 09:04:35 +0000 (09:04 +0000)]
jump-around-jump.c (rtc_set_time): Declare.

2015-12-17  Andrew Burgess  <andrew.burgess@embecosm.com>

        * gcc.target/arc/jump-around-jump.c (rtc_set_time): Declare.

From-SVN: r231746

8 years agorevert: re PR testsuite/68629 (FAIL: c-c++-common/attr-simd-3.c)
Thomas Preud'homme [Thu, 17 Dec 2015 08:43:48 +0000 (08:43 +0000)]
revert: re PR testsuite/68629 (FAIL: c-c++-common/attr-simd-3.c)

2015-12-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    Revert:
    2015-12-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    PR testsuite/68629
    * lib/target-supports.exp (check_effective_target_cilkplus): Also
    check that compiling with -fcilkplus does not give an error.
    * c-c++-common/attr-simd-3.c: Require cilkplus effective target.

From-SVN: r231745

8 years agoFix some blockers of PR c++/24666 (arrays decay to pointers too early)
Patrick Palka [Thu, 17 Dec 2015 04:01:47 +0000 (04:01 +0000)]
Fix some blockers of PR c++/24666 (arrays decay to pointers too early)

gcc/cp/ChangeLog:

PR c++/16333
PR c++/41426
PR c++/59878
PR c++/66895
* typeck.c (convert_for_initialization): Don't perform an early
decaying conversion if converting to a class type.

gcc/testsuite/ChangeLog:

PR c++/16333
PR c++/41426
PR c++/59878
PR c++/66895
* g++.dg/conversion/pr16333.C: New test.
* g++.dg/conversion/pr41426.C: New test.
* g++.dg/conversion/pr59878.C: New test.
* g++.dg/conversion/pr66895.C: New test.

From-SVN: r231736

8 years agoAvoid code duplication in cp_tree_[operand|code]_length
Patrick Palka [Thu, 17 Dec 2015 03:46:27 +0000 (03:46 +0000)]
Avoid code duplication in cp_tree_[operand|code]_length

gcc/cp/ChangeLog:

* tree.c (cp_tree_operand_length): Define in terms of
cp_tree_code_length.

From-SVN: r231735

8 years agoCorrect ChangeLogs for PR c++/42121 and related.
Martin Sebor [Thu, 17 Dec 2015 01:38:35 +0000 (18:38 -0700)]
Correct ChangeLogs for PR c++/42121 and related.

From-SVN: r231734

8 years agoPR c/68868 - atomic_init emits an unnecessary fence
Martin Sebor [Thu, 17 Dec 2015 01:33:41 +0000 (01:33 +0000)]
PR c/68868 - atomic_init emits an unnecessary fence

gcc/ChangeLog
* ginclude/stdatomic.h (atomic_init): Use atomic_store instead
of plain assignment.
gcc/testsuite/ChangeLog
* testsuite/gcc.dg/atomic/stdatomic-init.c: New test.

From-SVN: r231733

8 years agore PR target/68805 (ICE while var-tracking in simplify_binary_operation_1 with -g...
Michael Meissner [Thu, 17 Dec 2015 01:01:24 +0000 (01:01 +0000)]
re PR target/68805 (ICE while var-tracking in simplify_binary_operation_1 with -g and -mvsx-timode)

[gcc]
2015-12-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

PR target/68805
* config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use ROTATE
instead of VEC_SELECT for TImode.

* config/rs6000/vsx.md (VSX_LE): Move TImode from VSX_LE to
VSX_LE_128, so that we use ROTATE to swap the 64-bit words instead
of using VEC_SELECT.
(VSX_LE_128): Likewise.
(define_peephole2): Add peephole to eliminate double xxpermdi when
copying TImode.

[gcc/testsuite]
2015-12-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

PR target/68805
* gcc.target/powerpc/pr68805.c: New test.

From-SVN: r231732

8 years agoDaily bump.
GCC Administrator [Thu, 17 Dec 2015 00:16:12 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r231731

8 years agore PR target/68779 (HPPA/PARISC 32-bit Linux kernel build triggers multiple ICEs)
John David Anglin [Thu, 17 Dec 2015 00:11:55 +0000 (00:11 +0000)]
re PR target/68779 (HPPA/PARISC 32-bit Linux kernel build triggers multiple ICEs)

PR target/68779
* config/pa/pa.md (atomic_loaddi): Honor -mdisable-fpregs.
(atomic_loaddi_1): Likewise.
(atomic_storedi): Likewise.
(atomic_storedi_1): Likewise.
(atomic_loaddf): Likewise.
(atomic_loaddf_1): Likewise.
(atomic_storedf): Likewise.
(atomic_storedf_1): Likewise.
Move all atomic patterns to end of file.

From-SVN: r231727

8 years agoPR objc++/68932 - FAIL: obj-c++.dg/property/at-property-23.mm -fgnu-runtime
Martin Sebor [Wed, 16 Dec 2015 23:56:27 +0000 (23:56 +0000)]
PR objc++/68932 - FAIL: obj-c++.dg/property/at-property-23.mm -fgnu-runtime

PR objc++/68932  - FAIL: obj-c++.dg/property/at-property-23.mm -fgnu-runtime
                   (internal compiler error)

cp/
* decl.c (grokdeclarator): Avoid assuming ctype is non-null when
checking the validity of a flexible array member.

testsuite/
* obj-c++.dg/property/at-property-23.mm: Remove check for
an error message.

From-SVN: r231726

8 years agoattach schedule tree to the scop
Abderrazek Zaafrani [Wed, 16 Dec 2015 23:40:06 +0000 (23:40 +0000)]
attach schedule tree to the scop

we used to translate the just computed schedule tree into a union_map,
and then in the code generation it would be translated back to a schedule tree
just before generating AST code.

From-SVN: r231725

8 years agopt.c (comp_template_args): Remove.
Paolo Carlini [Wed, 16 Dec 2015 21:45:14 +0000 (21:45 +0000)]
pt.c (comp_template_args): Remove.

2015-12-16  Paolo Carlini  <paolo.carlini@oracle.com>

* pt.c (comp_template_args): Remove.
(comp_template_args_with_info): Rename to comp_template_args;
not static.
(add_pending_template): Adjust call.
* cp-tree.h (comp_template_args): Add default arguments.

From-SVN: r231723

8 years agoipa-visibility.c (can_replace_by_local_alias): Make static, check ASM_OUTPUT_DEF.
Nathan Sidwell [Wed, 16 Dec 2015 21:05:39 +0000 (21:05 +0000)]
ipa-visibility.c (can_replace_by_local_alias): Make static, check ASM_OUTPUT_DEF.

* ipa-visibility.c (can_replace_by_local_alias): Make static,
check ASM_OUTPUT_DEF.
(can_replace_by_local_alias_in_vtable): Make static.
(function_and_variable_visibility): Reformat overlong comment.

From-SVN: r231721

8 years agoree.c (add_removable_extension): Use reg_overlap_mentioned_p rather than testing...
Jeff Law [Wed, 16 Dec 2015 20:34:31 +0000 (13:34 -0700)]
ree.c (add_removable_extension): Use reg_overlap_mentioned_p rather than testing hard register #s.

* ree.c (add_removable_extension): Use reg_overlap_mentioned_p
rather than testing hard register #s.

From-SVN: r231719

8 years agonvptx.h (OUTGOING_STATIC_CHAIN_REGNUM): Remove.
Nathan Sidwell [Wed, 16 Dec 2015 20:02:02 +0000 (20:02 +0000)]
nvptx.h (OUTGOING_STATIC_CHAIN_REGNUM): Remove.

* config/nvptx/nvptx.h (OUTGOING_STATIC_CHAIN_REGNUM): Remove.
(REGISTER_NAMES): Adjust.
* config/nvptx/nvptx.c (nvptx_pass_by_reference): Avoid long line.
(nvptx_static_hain): Delete.
(write_arg_mode): Don't emit initializer if argno < 0.
(write_arg_type): Fix whitespace.
(init_frame): Initialize reg to zero if frame is zero-sized.
(nvptx_declare_function_name):  Use write_arg_type to emit chain
decl.
(nvptx_output_call_insn): Adjust static chain emission.
(nvptx_goacc_reduction): Make static.
(TARGET_STATIC_CHAIN): Don't override.

From-SVN: r231718

8 years ago* gcc.dg/tree-ssa/pr68619-4.c: Change size of code bitfield.
Jeff Law [Wed, 16 Dec 2015 18:53:25 +0000 (11:53 -0700)]
* gcc.dg/tree-ssa/pr68619-4.c: Change size of code bitfield.

From-SVN: r231717

8 years agore PR c++/68309 (ICE: Segmentation fault)
Jason Merrill [Wed, 16 Dec 2015 18:22:23 +0000 (13:22 -0500)]
re PR c++/68309 (ICE: Segmentation fault)

PR c++/68309
* pt.c (instantiate_decl): Revert earlier change.

From-SVN: r231714

8 years agore PR c++/63628 ([c++1y] cannot use decltype on captured arg-pack)
Jason Merrill [Wed, 16 Dec 2015 18:22:17 +0000 (13:22 -0500)]
re PR c++/63628 ([c++1y] cannot use decltype on captured arg-pack)

PR c++/63628
* pt.c (tsubst_pack_expansion): Also make dummy decls if
retrieve_local_specialization fails.

From-SVN: r231713

8 years agoBetter error recovery for merge-conflict markers
David Malcolm [Wed, 16 Dec 2015 18:15:01 +0000 (18:15 +0000)]
Better error recovery for merge-conflict markers

gcc/c-family/ChangeLog:
* c-common.h (conflict_marker_get_final_tok_kind): New prototype.
* c-lex.c (conflict_marker_get_final_tok_kind): New function.

gcc/c/ChangeLog:
* c-parser.c (struct c_parser): Expand array "tokens_buf" from 2
to 4.
(c_parser_peek_nth_token): New function.
(c_parser_peek_conflict_marker): New function.
(c_parser_error): Detect conflict markers and report them as such.

gcc/cp/ChangeLog:
* parser.c (cp_lexer_peek_conflict_marker): New function.
(cp_parser_error): Detect conflict markers and report them as
such.

gcc/testsuite/ChangeLog:
* c-c++-common/conflict-markers-1.c: New testcase.
* c-c++-common/conflict-markers-2.c: Likewise.
* c-c++-common/conflict-markers-3.c: Likewise.
* c-c++-common/conflict-markers-4.c: Likewise.
* c-c++-common/conflict-markers-5.c: Likewise.
* c-c++-common/conflict-markers-6.c: Likewise.
* c-c++-common/conflict-markers-7.c: Likewise.
* c-c++-common/conflict-markers-8.c: Likewise.
* c-c++-common/conflict-markers-9.c: Likewise.
* c-c++-common/conflict-markers-10.c: Likewise.
* c-c++-common/conflict-markers-11.c: Likewise.
* g++.dg/conflict-markers-1.C: Likewise.

From-SVN: r231712

8 years agoAdd missing changelog entry
Aditya Kumar [Wed, 16 Dec 2015 17:35:48 +0000 (17:35 +0000)]
Add missing changelog entry

From-SVN: r231710

8 years agoC FE: fix range of primary-expression in c_parser_postfix_expression
David Malcolm [Wed, 16 Dec 2015 17:34:27 +0000 (17:34 +0000)]
C FE: fix range of primary-expression in c_parser_postfix_expression

gcc/c/ChangeLog:
* c-parser.c (c_parser_postfix_expression): Use EXPR_LOC_OR_LOC
to preserve range information for the primary expression
in the call to c_parser_postfix_expression_after_primary.

gcc/testsuite/ChangeLog:
* gcc.dg/cast-function-1.c (bar): Update column numbers.
* gcc.dg/diagnostic-range-bad-called-object.c: New test case.

From-SVN: r231709

8 years agoRemove individial dependence pointers and add a scop::dependence to contain all the...
Aditya Kumar [Wed, 16 Dec 2015 17:33:07 +0000 (17:33 +0000)]
Remove individial dependence pointers and add a scop::dependence to contain all the dependence.

Removed the member variables which are only used in scop_get_dependence. Instead
only maintaining the overall dependence. Passes regtest and bootstrap.

gcc/ChangeLog:

2015-12-15  hiraditya  <hiraditya@msn.com>

        * graphite-dependences.c (scop_get_dependences): Use local pointers.
        * graphite-isl-ast-to-gimple.c(translate_isl_ast_to_gimple::scop_to_isl_ast):
          Use scop->dependence.
        * graphite-optimize-isl.c (optimize_isl): Same.
        * graphite-poly.c (new_scop): Remove initialization of removed members.
        (free_scop): Same.
        * graphite.h (struct scop): Remove individial dependence pointers and
        add a scop::dependence to contain all the dependence.

From-SVN: r231708

8 years agoUse refs instead of values.
Aditya Kumar [Wed, 16 Dec 2015 17:33:00 +0000 (17:33 +0000)]
Use refs instead of values.

Passes bootstrap and regtest.

gcc/ChangeLog:

2015-12-15  hiraditya  <hiraditya@msn.com>

        * graphite-sese-to-poly.c (build_poly_sr): Use refs.

From-SVN: r231707

8 years agoupdate required isl version
Aditya Kumar [Wed, 16 Dec 2015 17:27:57 +0000 (17:27 +0000)]
update required isl version

we check for a the isl compute timeout function added in isl 0.13.
That means GCC could still be configured with isl 0.13, 0.14, and 0.15.

* config/isl.m4 (ISL_CHECK_VERSION): Check for
isl_ctx_get_max_operations.
* configure: Regenerate.

gcc/
* config.in: Regenerate.
* configure: Regenerate.
* configure.ac: Remove checks for functions that exist in isl 0.13 or
later.
* graphite-isl-ast-to-gimple.c: Remove #ifdefs and code for isl 0.12.
        * graphite-optimize-isl.c: Same.
* graphite-poly.c: Same.
* graphite-sese-to-poly.c: Same.
* graphite.h: Add comment for isl 0.14.
* toplev.c (print_version): Print isl version.

Co-Authored-By: Sebastian Pop <s.pop@samsung.com>
From-SVN: r231706

8 years agoipa-cp.c (ipa_get_indirect_edge_target_1): Use can_refer; do not speculate to impossi...
Jan Hubicka [Wed, 16 Dec 2015 17:26:20 +0000 (18:26 +0100)]
ipa-cp.c (ipa_get_indirect_edge_target_1): Use can_refer; do not speculate to impossible targets.

* ipa-cp.c (ipa_get_indirect_edge_target_1): Use can_refer; do not
speculate to impossible targets.
* ipa-prop.c (try_make_edge_direct_virtual_call): Likewise.

From-SVN: r231705

8 years agoC FE: use correct location range for static assertions
David Malcolm [Wed, 16 Dec 2015 17:25:45 +0000 (17:25 +0000)]
C FE: use correct location range for static assertions

gcc/c/ChangeLog:
* c-parser.c (c_parser_static_assert_declaration_no_semi): Use the
expression location, falling back on the first token location,
rather than always using the latter.

gcc/testsuite/ChangeLog:
* gcc.dg/diagnostic-range-static-assert.c: New test case.

From-SVN: r231704

8 years agoadd more dumps on data dependence graph
Aditya Kumar [Wed, 16 Dec 2015 17:24:25 +0000 (17:24 +0000)]
add more dumps on data dependence graph

Co-Authored-By: Sebastian Pop <s.pop@samsung.com>
From-SVN: r231703

8 years agore PR c/64637 (Incorrect location for -Wunused-value warnings in for-loop)
Marek Polacek [Wed, 16 Dec 2015 16:50:07 +0000 (16:50 +0000)]
re PR c/64637 (Incorrect location for -Wunused-value warnings in for-loop)

PR c/64637
* c-typeck.c (c_process_expr_stmt): Use location of the expression if
available.

* gcc.dg/pr64637.c: New test.

From-SVN: r231700

8 years ago* gcc.dg/sibcall-9.c: Xfail for nvptx.
Nathan Sidwell [Wed, 16 Dec 2015 16:47:05 +0000 (16:47 +0000)]
* gcc.dg/sibcall-9.c: Xfail for nvptx.

From-SVN: r231699

8 years ago[AArch64] Properly cost zero_extend+ashift forms of ubfi[xz]
Kyrylo Tkachov [Wed, 16 Dec 2015 15:49:42 +0000 (15:49 +0000)]
[AArch64] Properly cost zero_extend+ashift forms of ubfi[xz]

* config/aarch64/aarch64.c (aarch64_extend_bitfield_pattern_p):
New function.
(aarch64_rtx_costs, ZERO_EXTEND, SIGN_EXTEND cases): Use the above
to handle extend+shift rtxes.

From-SVN: r231698

8 years agounwind-generic.h (_Unwind_GetTextRelBase): Call __builtin_abort instead of abort...
Bernd Edlinger [Wed, 16 Dec 2015 15:24:52 +0000 (15:24 +0000)]
unwind-generic.h (_Unwind_GetTextRelBase): Call __builtin_abort instead of abort to avoid dependency on stdlib.h.

2015-12-16  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * unwind-generic.h (_Unwind_GetTextRelBase): Call __builtin_abort
        instead of abort to avoid dependency on stdlib.h.

From-SVN: r231697

8 years ago[AArch64] PR target/68696 FAIL: gcc.target/aarch64/vbslq_u64_1.c scan-assembler-times...
Kyrylo Tkachov [Wed, 16 Dec 2015 15:03:44 +0000 (15:03 +0000)]
[AArch64] PR target/68696 FAIL: gcc.target/aarch64/vbslq_u64_1.c scan-assembler-times bif\tv 1

        PR target/68696
        * config/aarch64/aarch64-simd.md (*aarch64_simd_bsl<mode>_alt):
        New pattern.
        (aarch64_simd_bsl<mode>_internal): Update comment to reflect
        the above.

From-SVN: r231696

8 years agore PR middle-end/68870 (ICE on valid code at -O1, -O2 and -O3 on x86_64-linux-gnu)
Richard Biener [Wed, 16 Dec 2015 14:56:10 +0000 (14:56 +0000)]
re PR middle-end/68870 (ICE on valid code at -O1, -O2 and -O3 on x86_64-linux-gnu)

2015-12-16  Richard Biener  <rguenther@suse.de>

PR tree-optimization/68870
* tree-cfgcleanup.c (cleanup_control_expr_graph): Add first_p
parameter, if set only perform trivial constant folding.
Queue other blocks with conditions for later processing.
(cleanup_control_flow_bb): Add first_p parameter and pass it through.
(cleanup_tree_cfg_1): Pass true for the first iteration
cleanup_control_expr_graph.

* gcc.dg/torture/pr68870.c: New testcase.

From-SVN: r231695

8 years agonvptx-protos.h (nvptx_hard_regno_mode_ok): Delete.
Nathan Sidwell [Wed, 16 Dec 2015 13:51:36 +0000 (13:51 +0000)]
nvptx-protos.h (nvptx_hard_regno_mode_ok): Delete.

* config/nvptx/nvptx-protos.h (nvptx_hard_regno_mode_ok): Delete.
* config/nvptx/nvptx.h (struct machine_function):
Reimplement. Adjust all users.
* config/nvptx/nvptx.c (nvptx_declare_function_name): Move stack
and frame array generation earlier.
(nvptx_call_args): Reimplement.
(nvptx_expand_call): Adjust.
(nvptx_hard_reno_mode_ok): Delete.
(nvptx_reorg): Revert scan of hard regs.

From-SVN: r231691

8 years agoAdd pass_oacc_ipa
Tom de Vries [Wed, 16 Dec 2015 13:49:07 +0000 (13:49 +0000)]
Add pass_oacc_ipa

2015-12-16  Tom de Vries  <tom@codesourcery.com>

* opts.c (default_options_optimization): Set fipa-pta on by default for
fopenacc.
* passes.def: Move kernels pass group to pass_ipa_oacc.
* tree-pass.h (make_pass_oacc_kernels2): Remove.
(make_pass_ipa_oacc, make_pass_ipa_oacc_kernels): Declare.
* tree-ssa-loop.c (pass_oacc_kernels2, make_pass_oacc_kernels2): Remove.
(pass_ipa_oacc, pass_ipa_oacc_kernels): New pass.
(make_pass_ipa_oacc, make_pass_ipa_oacc_kernels): New function.
* tree-ssa-structalias.c (pass_ipa_pta::clone): New function.

* g++.dg/ipa/devirt-37.C: Update for new fre2 pass.
* g++.dg/ipa/devirt-40.C: Same.
* g++.dg/tree-ssa/pr61034.C: Same.
* gcc.dg/ipa/ipa-pta-1.c: Update for new pta1 pass.
* gcc.dg/ipa/ipa-pta-10.c: Same.
* gcc.dg/ipa/ipa-pta-11.c: Same.
* gcc.dg/ipa/ipa-pta-14.c: Same.
* gcc.dg/ipa/ipa-pta-16.c: Same.
* gcc.dg/ipa/ipa-pta-2.c: Same.
* gcc.dg/ipa/ipa-pta-5.c: Same.
* gcc.dg/ipa/ipa-pta-6.c: Same.
* gcc.dg/torture/ipa-pta-1.c: Same.
* gcc.dg/ipa/ipa-pta-13.c: Update for new fre2 and pta1 pass.
* gcc.dg/ipa/ipa-pta-3.c: Same.
* gcc.dg/ipa/ipa-pta-4.c: Same.

From-SVN: r231690

8 years agore PR tree-optimization/68861 (FAIL: libgomp.fortran/vla8.f90 -O3 -g execution...
Richard Biener [Wed, 16 Dec 2015 13:45:40 +0000 (13:45 +0000)]
re PR tree-optimization/68861 (FAIL: libgomp.fortran/vla8.f90   -O3 -g  execution test)

2015-12-16  Richard Biener  <rguenther@suse.de>

PR tree-optimization/68861
* tree-vect-slp.c (vect_build_slp_tree): Properly handle
duplicate stmts when applying swapping to stmts.

From-SVN: r231689

8 years agoi386-c.c (ix86_target_macros_internal): Remove duplicate check (__CLZERO__).
Kirill Yukhin [Wed, 16 Dec 2015 13:43:56 +0000 (13:43 +0000)]
i386-c.c (ix86_target_macros_internal): Remove duplicate check (__CLZERO__).

gcc/
* config/i386/i386-c.c (ix86_target_macros_internal): Remove
duplicate check (__CLZERO__).

From-SVN: r231688

8 years agore PR tree-optimization/68915 (gcc.dg/vect/pr46032.c FAILs)
Richard Biener [Wed, 16 Dec 2015 12:37:02 +0000 (12:37 +0000)]
re PR tree-optimization/68915 (gcc.dg/vect/pr46032.c FAILs)

2015-12-16  Richard Biener  <rguenther@suse.de>

PR testsuite/68915
* gcc.dg/vect/pr46032.c: Use dg-additional-options.

From-SVN: r231687

8 years ago[ARM] Add ACLE intrinsics vqrdmlah_lane and vqrdmlsh_lane
Matthew Wahab [Wed, 16 Dec 2015 12:21:47 +0000 (12:21 +0000)]
[ARM] Add ACLE intrinsics vqrdmlah_lane and vqrdmlsh_lane

* config/arm/arm_neon.h (vqrdmlahq_lane_s16): New.
(vqrdmlahq_lane_s32): New.
(vqrdmlah_lane_s16): New.
(vqrdmlah_lane_s32): New.
(vqrdmlshq_lane_s16): New.
(vqrdmlshq_lane_s32): New.
(vqrdmlsh_lane_s16): New.
(vqrdmlsh_lane_s32): New.
* config/arm/arm_neon_builtins.def: Add "vqrdmlah_lane" and
"vqrdmlsh_lane".

From-SVN: r231686

8 years ago[ARM] Add ACLE intrinsics vqrdmlah and vqrdmlsh
Matthew Wahab [Wed, 16 Dec 2015 12:16:13 +0000 (12:16 +0000)]
[ARM] Add ACLE intrinsics vqrdmlah and vqrdmlsh

* config/arm/arm_neon.h (vqrdmlah_s16, vqrdmlah_s32): New.
(vqrdmlahq_s16, vqrdmlahq_s32): New.
(vqrdmlsh_s16, vqrdmlsh_s32): New.
(vqrdmlahq_s16, vqrdmlshq_s32): New.
* config/arm/arm_neon_builtins.def: Add "vqrdmlah" and "vqrdmlsh".

From-SVN: r231685

8 years agore PR tree-optimization/68916 (gcc.dg/vect/slp-perm-4.c FAILs)
Richard Biener [Wed, 16 Dec 2015 12:13:05 +0000 (12:13 +0000)]
re PR tree-optimization/68916 (gcc.dg/vect/slp-perm-4.c FAILs)

2015-12-16  Richard Biener  <rguenther@suse.de>

PR testsuite/68916
PR testsuite/68914
* gcc.dg/vect/pr45752.c: Require vect_perm and adjust expected
dump.
* gcc.dg/vect/slp-perm-4.c: Likewise.

From-SVN: r231684

8 years ago[Testsuite] Support ARMv8.1 ARM tests.
Matthew Wahab [Wed, 16 Dec 2015 12:10:59 +0000 (12:10 +0000)]
[Testsuite] Support ARMv8.1 ARM tests.

testsuite/
* lib/target-supports.exp (add_options_for_arm_v8_1a_neon): Update
comment.  Use check_effective_target_arm_v8_1a_neon_ok to select
the command line options.
(check_effective_target_arm_v8_1a_neon_ok_nocache): Update initial
test to allow ARM targets.  Select and record a working set of
command line options.
(check_effective_target_arm_v8_1a_neon_hw): Add tests for ARM
targets.

gcc/
* doc/sourcebuild.texi (ARM-specific attributes): Add
"arm_v8_1a_neon_ok" and "arm_v8_1a_neon_hw".

From-SVN: r231683

8 years ago[ARM] Add ACLE feature macro for ARMv8.1 instructions.
Matthew Wahab [Wed, 16 Dec 2015 12:02:15 +0000 (12:02 +0000)]
[ARM] Add ACLE feature macro for ARMv8.1 instructions.

* config/arm/arm-c.c (arm_cpu_builtins): Define
__ARM_FEATURE_QRDMX.  Clean up some trailing whitespace.

From-SVN: r231682

8 years ago[ARM] Add patterns for new instructions
Matthew Wahab [Wed, 16 Dec 2015 11:56:21 +0000 (11:56 +0000)]
[ARM] Add patterns for new instructions

* config/arm/iterators.md (VQRDMLH_AS): New.
(neon_rdma_as): New.
* config/arm/neon.md
(neon_vqrdml<VQRDMLH_AS:neon_rdma_as>h<mode>): New.
(neon_vqrdml<VQRDMLH_AS:neon_rdma_as>h_lane<mode>): New.
* config/arm/unspecs.md (UNSPEC_VQRDMLAH): New.
(UNSPEC_VQRDMLSH): New.

From-SVN: r231681

8 years ago[ARM] Multilib support for ARMv8.1.
Matthew Wahab [Wed, 16 Dec 2015 11:50:43 +0000 (11:50 +0000)]
[ARM] Multilib support for ARMv8.1.

* config/arm/t-aprofile: Make "armv8.1-a" and "armv8.1-a+crc"
matches for "armv8-a".

From-SVN: r231680

8 years ago[ARM] Add support for ARMv8.1.
Matthew Wahab [Wed, 16 Dec 2015 11:45:25 +0000 (11:45 +0000)]
[ARM] Add support for ARMv8.1.

* config/arm/arm-arches.def: Add "armv8.1-a" and "armv8.1-a+crc".
* config/arm/arm-protos.h (FL2_ARCH8_1): New.
(FL2_FOR_ARCH8_1A): New.
* config/arm/arm-tables.opt: Regenerate.
* config/arm/arm.c (arm_arch8_1): New.
(arm_option_override): Set arm_arch8_1.
* config/arm/arm.h (TARGET_NEON_RDMA): New.
(arm_arch8_1): Declare.
* doc/invoke.texi (ARM Options, -march): Add "armv8.1-a" and
"armv8.1-a+crc".
(ARM Options, -mfpu): Fix a typo.

From-SVN: r231678

8 years agolibstdc++/68921 add timeout argument to futex(2)
Jonathan Wakely [Wed, 16 Dec 2015 10:40:04 +0000 (10:40 +0000)]
libstdc++/68921 add timeout argument to futex(2)

PR libstdc++/68921
* src/c++11/futex.cc
(__atomic_futex_unsigned_base::_M_futex_wait_until): Use null pointer
as timeout argument.

From-SVN: r231676

8 years ago[ARM] PR target/68648: Fold NOT of CONST_INT in andsi_iorsi3_notsi splitter
Kyrylo Tkachov [Wed, 16 Dec 2015 10:01:48 +0000 (10:01 +0000)]
[ARM] PR target/68648: Fold NOT of CONST_INT in andsi_iorsi3_notsi splitter

PR target/68648
* config/arm/arm.md (*andsi_iorsi3_notsi): Try to simplify
the complement of operands[3] during splitting.

* gcc.c-torture/execute/pr68648.c: New test.

From-SVN: r231675

8 years agore PR tree-optimization/68892 (Excessive dead loads produced by BB vectorization)
Richard Biener [Wed, 16 Dec 2015 09:21:04 +0000 (09:21 +0000)]
re PR tree-optimization/68892 (Excessive dead loads produced by BB vectorization)

2015-12-16  Richard Biener  <rguenther@suse.de>

PR tree-optimization/68892
* tree-vect-slp.c (vect_analyze_slp_cost_1): Properly compute
cost for permuted loads.

* gcc.dg/vect/bb-slp-pr68892.c: New testcase.

From-SVN: r231674

8 years agore PR rtl-optimization/65980 (-fcompare-debug failure building Linux kernel)
Jakub Jelinek [Wed, 16 Dec 2015 08:04:31 +0000 (09:04 +0100)]
re PR rtl-optimization/65980 (-fcompare-debug failure building Linux kernel)

PR rtl-optimization/65980
* jump.c (rtx_renumbered_equal_p) <case LABEL_REF>: Use
next_nonnote_nondebug_insn instead of next_real_insn and
skip over CODE_LABELs too.

* gcc.dg/pr65980.c: New test.

From-SVN: r231672

8 years agore PR middle-end/68878 (471.omnetpp in SPEC CPU 2006 is miscompiled with LTO)
Jan Hubicka [Wed, 16 Dec 2015 04:58:13 +0000 (05:58 +0100)]
re PR middle-end/68878 (471.omnetpp in SPEC CPU 2006 is miscompiled with LTO)

PR lto/68878
* lto-symtab.c (lto_symtab_prevailing_virtual_decl): New function.
* lto-symtab.h (lto_symtab_prevailing_virtual_decl): Declare.
(lto_symtab_prevailing_decl): Use it.

From-SVN: r231671

8 years agosymtab.c (symtab_node::fixup_same_cpp_alias_visibility): Do not copy DECL_VIRTUAL_P.
Jan Hubicka [Wed, 16 Dec 2015 04:56:34 +0000 (05:56 +0100)]
symtab.c (symtab_node::fixup_same_cpp_alias_visibility): Do not copy DECL_VIRTUAL_P.

* symtab.c (symtab_node::fixup_same_cpp_alias_visibility):
Do not copy DECL_VIRTUAL_P.

From-SVN: r231670

8 years agoDaily bump.
GCC Administrator [Wed, 16 Dec 2015 00:16:13 +0000 (00:16 +0000)]
Daily bump.

From-SVN: r231668

8 years agostruct-layout-1_generate.c: Avoid generating further fields after the first flexible...
Martin Sebor [Tue, 15 Dec 2015 21:04:08 +0000 (21:04 +0000)]
struct-layout-1_generate.c: Avoid generating further fields after the first flexible array member.

gcc/testsuite/ChangeLog:
2015-12-15  Martin Sebor  <msebor@redhat.com>

c++/42121
c++/68478
c++/68613
c++/68689
c++/68710
* g++.dg/compat/struct-layout-1_generate.c: Avoid generating
further fields after the first flexible array member.
* g++.dg/ext/flexary2.C: Expect a sole flexible array member
to be rejected.  Add a test case exercising zero-length array.
* g++.dg/ext/flexary3.C: Expect a sole flexible array member
to be rejected.
* g++.dg/ext/flexary.h: New file.
* g++.dg/ext/flexary4.C: New file.
* g++.dg/ext/flexary5.C: New file.
* g++.dg/ext/flexary6.C: New file.
* g++.dg/ext/flexary7.C: New file.
* g++.dg/ext/flexary8.C: New file.
* g++.dg/other/dump-ada-spec-2.C: Adjust to reflect flexible
array members.
* g++.dg/parse/pr43765.C: Add a member to make a struct with
a flexible array member valid.  Adjust expected error message.
* g++.dg/torture/pr64280.C: Expect a sole flexible array member
to be rejected.
* g++.dg/torture/pr64312.C: Add a member to make a struct with
a flexible array member valid.
* g++.dg/ubsan/object-size-1.C: Adjust expected diagnostic.

gcc/cp/ChangeLog:
2015-12-15  Martin Sebor  <msebor@redhat.com>

c++/42121
c++/68478
c++/68613
c++/68689
c++/68710
* class.c (walk_subobject_offsets): Avoid assuming type domain
is non-null or has an upper bound.
(layout_class_type): Include type size in error message.
(flexmems_t): New type.
(field_nonempty_p, find_flexarrays, diagnose_flexarrays)
(check_flexarrays): New functions.
(finish_struct_1): Call check_flexarrays.
* decl.c (compute_array_index_type): Distinguish flexible array
members from zero-length arrays.
(grokdeclarator): Reject flexible array members in unions.  Avoid
rejecting members of incomplete types that are flexible array members.
* error.c (dump_type_suffix): Handle flexible array members with null
upper bound.
* init.c (perform_member_init): Same.
* pt.c (instantiate_class_template_1): Allow flexible array members.
(tsubst): Handle flexible array members with null upper bound.
* typeck2.c (digest_init_r): Warn for initialization of flexible
array members.
(process_init_constructor_record): Handle flexible array members.

gcc/ChangeLog:
2015-12-15  Martin Sebor  <msebor@redhat.com>

c++/42121
* tree-chkp.c (chkp_find_bound_slots_1): Handle flexible array
members.
* tree.c (type_contains_placeholder_1): Avoid assuming type has
a non-null domain or an upper bound to handle flexible array
members.
* varasm.c (output_constructor_regular_field):  Same.
(output_constructor): Set min_index to integer_zero_node rather
than null when a type has no domain to avoid crashing later.

From-SVN: r231665

8 years agonvptx.c (write_one_arg): Rename to ...
Nathan Sidwell [Tue, 15 Dec 2015 20:46:37 +0000 (20:46 +0000)]
nvptx.c (write_one_arg): Rename to ...

* config/nvptx/nvptx.c (write_one_arg): Rename to ...
(write_arg_mode): ... here.  Update callers.
(write_arg): Rename to ...
(write__arg_type): ... here.  Update callers.
(write_return_mode): New fn, broken out of ...
(write_return): ... here.  Rename to ...
(write_return_type): ... here.  Call it. Update callers.
(write_fn_proto_from_insn): Use write_arg_mode and
write_return_mode.
(init_frame): New fn.
(nvptx_declare_function_name): Call it for frame and varargs. Only
emit outgoing static chain, if it's live.
(nvptx_output_return): Use reg_names for return reg name.
(nvptx_output_call_insn): Likewise.
(nvptx_reorg): Mark unused hard regs too.

From-SVN: r231663

8 years agoRestore accidentally-removed volatile qualifier
Jonathan Wakely [Tue, 15 Dec 2015 17:06:25 +0000 (17:06 +0000)]
Restore accidentally-removed volatile qualifier

* include/std/functional (_Mu<_Arg, false, false>::operator()): Restore
accidentally-removed volatile qualifier.

From-SVN: r231660

8 years agonvptx.md (nvptx_register_operand): Don't accept and then reject subregs.
Nathan Sidwell [Tue, 15 Dec 2015 17:05:01 +0000 (17:05 +0000)]
nvptx.md (nvptx_register_operand): Don't accept and then reject subregs.

* config/nvptx/nvptx.md (nvptx_register_operand): Don't accept and
then reject subregs.
(nvptx_reg_or_mem_operand): Likewise.
(nvptx_nonmemory_operand): Likewise.
(call_insn_operand): A regular predicate, check SYMBOL_REF_FUNCTION_P.
(call_insn, call_value_insn): Address is not SImode.
* config/nvptx/nvptx.h (FIXED_REGISTERS): Make return reg fixed.
(enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove
RETURN_REG class.
(REGNO_REG_CLASS): Alwaus ALL_REGS.
(PROMOTE_MODE): QI and HI are the only smaller than SI int modes.
(HARD_FRAME_POINTER_REGNUM): Delete.
(REGISTER_NAMES): Move earlier.
(struct nvptx_args): Remove 'off'.
(INIT_CUMULATIVE_ARGS): Don't initialize 'off'.
(ELIMINABLE_REGS): Remove HARD_FRAME_POINTER_REGNUM.
* config/nvptx/nvptx.c (arg_promotion): Delete.
(nvptx_expand_call): Remove check for funtype being an fntype.

From-SVN: r231659

8 years ago* hash-map.h, hash-table.h: Make copy constructors explicit.
Jason Merrill [Tue, 15 Dec 2015 16:21:50 +0000 (11:21 -0500)]
* hash-map.h, hash-table.h: Make copy constructors explicit.

From-SVN: r231658

8 years agoAdd space between name and email in Changelog
Alessandro Fanfarillo [Tue, 15 Dec 2015 16:12:41 +0000 (09:12 -0700)]
Add space between name and email in Changelog

From-SVN: r231657

8 years agore PR c/68907 (bogus warning: right-hand operand of comma expression has no effect...
Marek Polacek [Tue, 15 Dec 2015 15:13:49 +0000 (15:13 +0000)]
re PR c/68907 (bogus warning: right-hand operand of comma expression has no effect on an atomic_int preincrement)

PR c/68907
* c-typeck.c (build_atomic_assign): Set TREE_NO_WARNING on an
artificial decl.

* gcc.dg/pr68907.c: New test.

From-SVN: r231656

8 years agoc-common.c (c_common_attribute_table): Handle "omp declare target link" attribute.
Ilya Verbin [Tue, 15 Dec 2015 14:56:50 +0000 (14:56 +0000)]
c-common.c (c_common_attribute_table): Handle "omp declare target link" attribute.

gcc/c-family/
* c-common.c (c_common_attribute_table): Handle "omp declare target
link" attribute.
gcc/
* cgraphunit.c (output_in_order): Do not assemble "omp declare target
link" variables in ACCEL_COMPILER.
* gimplify.c (gimplify_adjust_omp_clauses): Do not remove mapping of
"omp declare target link" variables.
* omp-low.c (scan_sharing_clauses): Do not remove mapping of "omp
declare target link" variables.
(add_decls_addresses_to_decl_constructor): For "omp declare target link"
variables output address of the artificial pointer instead of address of
the variable.  Set most significant bit of the size to mark them.
(pass_data_omp_target_link): New pass_data.
(pass_omp_target_link): New class.
(find_link_var_op): New static function.
(make_pass_omp_target_link): New function.
* passes.def: Add pass_omp_target_link.
* tree-pass.h (make_pass_omp_target_link): Declare.
* varpool.c (symbol_table::output_variables): Do not assemble "omp
declare target link" variables in ACCEL_COMPILER.
gcc/lto/
* lto.c: Include stringpool.h and fold-const.h.
(offload_handle_link_vars): New static function.
(lto_main): Call offload_handle_link_vars.
libgomp/
* libgomp.h (REFCOUNT_LINK): Define.
(struct splay_tree_key_s): Add link_key.
* target.c (gomp_map_vars): Treat REFCOUNT_LINK objects as not mapped.
Replace target address of the pointer with target address of newly
mapped object in the splay tree.  Set link pointer on target to the
device address of the mapped object.
(gomp_unmap_vars): Restore target address of the pointer in the splay
tree for REFCOUNT_LINK objects after unmapping.
(gomp_load_image_to_device): Set refcount to REFCOUNT_LINK for "omp
declare target link" objects.
(gomp_unload_image_from_device): Replace j with i.  Force unmap of all
"omp declare target link" objects, which were mapped for the image.
(gomp_exit_data): Restore target address of the pointer in the splay
tree for REFCOUNT_LINK objects after unmapping.
* testsuite/libgomp.c/target-link-1.c: New file.

From-SVN: r231655

8 years agore PR middle-end/21273 (gensupport.c:collect_insn_data doesn't consider the constrain...
Bernd Schmidt [Tue, 15 Dec 2015 14:34:01 +0000 (14:34 +0000)]
re PR middle-end/21273 (gensupport.c:collect_insn_data doesn't consider the constraints of match_scratch)

Fix PR21273

PR middle-end/21273
* gensupport.c (collect_insn_data): Look for number of alternatives
in MATCH_SCRATCH.

From-SVN: r231654

8 years agoRemove vestigial traces of std::tr1::bind
Jonathan Wakely [Tue, 15 Dec 2015 14:17:27 +0000 (14:17 +0000)]
Remove vestigial traces of std::tr1::bind

* include/std/functional (is_placeholder, is_bind_expression): Update
comments.
(_Safe_tuple_element): Replace with _Safe_tuple_element_t alias
template.
(_Mu): Remove vestigial TR1 return types and update coments.

From-SVN: r231653

8 years agoFix cv-qualifiers in std::bind invocation
Jonathan Wakely [Tue, 15 Dec 2015 14:17:17 +0000 (14:17 +0000)]
Fix cv-qualifiers in std::bind invocation

PR libstdc++/68912
* include/std/functional (_Bind::operator()): Use lvalue functor to
deduce return type.
* testsuite/20_util/bind/68912.cc: New.

From-SVN: r231652

8 years agonvptx.h (HARD_REGNO_NREGS): Reformat.
Nathan Sidwell [Tue, 15 Dec 2015 13:32:48 +0000 (13:32 +0000)]
nvptx.h (HARD_REGNO_NREGS): Reformat.

* config/nvptx/nvptx.h (HARD_REGNO_NREGS): Reformat.
(CANNOT_CHANGE_MODE_CLASS): Always return true.
(HARD_REGNO_MODE_OK): Reformat.
* config/nvptx/nvptx.md (define_expand mov<mode>): No
RETURN_REGNUM handling here.
* config/nvptx/nvptx.c (nvptx_function_value): Set ret_reg_mode
here.
(write_one_arg): No QI or HI mode args.
(write_fn_proto_from_insn): No argument promotion here.
(nvptx_output_return_insn): No return promotion here.
(nvptx_output_mov_insn): No RETURN_REGNUM handling needed.
(nvptx_output_call_insn): No return promotion here.

From-SVN: r231651

8 years agoFix ICE for coarray Critical inside module procedure
Alessandro Fanfarillo [Tue, 15 Dec 2015 13:19:21 +0000 (06:19 -0700)]
Fix ICE for coarray Critical inside module procedure

From-SVN: r231649