Sujoy Saraswati [Mon, 21 Dec 2015 07:59:30 +0000 (07:59 +0000)]
This series of patches fix PR61441.
This series of patches fix PR61441. This patch makes resulting NaN values
to be quiet NaN for real value operations, irrespective of the flag_signaling_nans
flag. The caller has the responsibility to avoid the operation if flag_signaling_nans
is on.
gcc/
* real.c (do_add): Make resulting NaN value to be qNaN.
(do_multiply, do_divide, do_fix_trunc): Same.
(real_arithmetic, real_ldexp, real_convert): Same.
(real_isinteger): Updated comment stating it returns false for sNaN.
Jason Merrill [Sun, 20 Dec 2015 18:38:37 +0000 (13:38 -0500)]
re PR c++/67411 (internal compiler error: in tsubst_copy, at cp/pt.c:13473)
PR c++/67411
* lambda.c (generic_lambda_fn_p): Split out from...
(maybe_add_lambda_conv_op): ...here.
* semantics.c (process_outer_var_ref): Don't defer maybe-constant
variables in a generic lambda.
* pt.c (instantiate_non_dependent_or_null): New.
* init.c (constant_value_1): Use it.
* cp-tree.h: Declare it and generic_lambda_fn_p.
Eric Botcazou [Sun, 20 Dec 2015 10:30:27 +0000 (10:30 +0000)]
decl.c (gnat_to_gnu_entity): During layout in type_annotate_only mode...
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: During
layout in type_annotate_only mode, skip discriminants of derived
tagged types renaming those of the parent type.
In type_annotate_only mode, if the type is tagged, do not override a
size clause but take into account the alignment of the tag.
(annotate_rep): In type_annotate_only mode, deal with discriminants
of derived tagged types renaming those of the parent type.
Eric Botcazou [Sun, 20 Dec 2015 10:27:37 +0000 (10:27 +0000)]
utils.c (maybe_pad_type): In type_annotate_only mode...
* gcc-interface/utils.c (maybe_pad_type): In type_annotate_only mode,
retrieve the component type if this is an array and do not issue the
warning for concurrent types.
Sujoy Saraswati [Sun, 20 Dec 2015 09:13:51 +0000 (09:13 +0000)]
This series of patches are for fixing PR61441.
This series of patches are for fixing PR61441. This patch modifies code to use
REAL_VALUE_ISSIGNALING_NAN instead of REAL_VALUE_ISNAN to avoid the operatins
only for sNaN operands.
Bootstrapped & regression-tested on x86_64-linux-gnu.
gcc/
* fold-const.c (const_binop): Use REAL_VALUE_ISSIGNALING_NAN instead
of REAL_VALUE_ISNAN to avoid the operation for sNaN operands.
* simplify-rtx.c (simplify_const_binary_operation): Same.
Jan Hubicka [Sun, 20 Dec 2015 05:50:29 +0000 (06:50 +0100)]
re PR tree-optimization/65337 (LTO bootstrap failure with Ada enabled)
PR middle-end/65337
* tree-ssa-dce.c (bb_postorder): New static var.
(forward_edge_to_pdom): Remove.
(remove_dead_stmt): Instead of redirecting edges only keep an edge
on a path to nearest live BB.
(eliminate_unnecessary_stmts): Free bb_postorder.
* cfganal.c (dfs_find_deadend): Add START_POINTES.
* cfganal.h (inverted_post_order_compute): Update prototype.
Andrew Burgess [Sat, 19 Dec 2015 19:29:12 +0000 (19:29 +0000)]
arc.md (*storeqi_update): Use 'memory_operand' and fix RTL pattern to include the plus.
2015-12-19 Andrew Burgess <andrew.burgess@embecosm.com>
* config/arc/arc.md (*storeqi_update): Use 'memory_operand' and
fix RTL pattern to include the plus.
(*storehi_update): Likewise.
(*storesi_update): Likewise.
(*storesf_update): Likewise.
* config/arc/predicates.md (store_update_operand): Delete.
Andrew Burgess [Sat, 19 Dec 2015 19:22:51 +0000 (19:22 +0000)]
arc.md (*loadqi_update): Use new 'any_mem_operand' and fix RTL pattern to include the plus.
gcc:
2015-12-19 Andrew Burgess <andrew.burgess@embecosm.com>
* config/arc/arc.md (*loadqi_update): Use new 'any_mem_operand'
and fix RTL pattern to include the plus.
(*load_zeroextendqisi_update): Likewise.
(*load_signextendqisi_update): Likewise.
(*loadhi_update): Likewise.
(*load_zeroextendhisi_update): Likewise.
(*load_signextendhisi_update): Likewise.
(*loadsi_update): Likewise.
(*loadsf_update): Likewise.
* config/arc/predicates.md (load_update_operand): Delete.
(any_mem_operand): New predicate.
gcc/testsuite:
2015-12-19 Andrew Burgess <andrew.burgess@embecosm.com>
re PR target/68729 (../Xbae/Methods.c:1772:1: ICE: in extract_insn, at recog.c:2343)
PR target/68729
* config/pa/pa.c (pa_emit_move_sequence): Reorganize handling of
floating-point reloads. Only reload operands that are not valid
floating-point memory operands.
Jakub Jelinek [Fri, 18 Dec 2015 22:16:24 +0000 (23:16 +0100)]
re PR debug/68860 (FAIL: gcc.dg/guality/pr36728-1.c -flto -O3 -g line 17 arg1 == 1)
PR debug/68860
* ipa-split.c (split_function): Only perform caller side
modifications for decl_debug_args here.
* cgraph.c: Include gimplify.h.
(cgraph_edge::redirect_call_stmt_to_callee): Add caller side
debug stmts for decl_debug_args. Spelling fix in a comment.
* tree-inline.c (tree_function_versioning): Populate decl_debug_args
for args_to_skip arguments and add callee side debug stmts.
Formatting fixes. Avoid shadowing i variable.
* gcc.dg/guality/pr68860-1.c: New test.
* gcc.dg/guality/pr68860-2.c: New test.
Fix a regression introduced by the fix of libstdc++/68276.
2015-12-18 Ville Voutilainen <ville.voutilainen@gmail.com>
Fix a regression introduced by the fix of libstdc++/68276.
* src/c++11/ios.cc (_M_grow_words): Catch bad_alloc again so that
bad_array_new_length is handled properly.
Paolo Carlini [Fri, 18 Dec 2015 18:18:47 +0000 (18:18 +0000)]
re PR c++/67592 (A virtual member function declared constexpr fails to trigger a diagnostic)
/cp
2015-12-18 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/67592
* decl.c (grokdeclarator): Reject constexpr virtual member functions;
in error messages, prefer %<virtual%> and %<constexpr%> to virtual
and constexpr, respectively.
/testsuite
2015-12-18 Paolo Carlini <paolo.carlini@oracle.com>
Richard Biener [Fri, 18 Dec 2015 13:52:11 +0000 (13:52 +0000)]
re PR testsuite/68776 (gcc.dg/vect/vect-widen-mult-const-[su]16.c failures since r226675)
2015-12-18 Richard Biener <rguenther@suse.de>
PR testsuite/68776
* tree-vect-patterns.c (struct vect_recog_func): New.
(vect_vect_recog_func_ptrs): Make an array of function name pairs.
(vect_pattern_recog_1): Print the recognized pattern name. Return
true if a pattern was recognized.
(vect_pattern_recog): Adjust. Stop iterating over pattern recognition
functions on a stmt if a pattern was recognized.
Paul Thomas [Fri, 18 Dec 2015 09:34:13 +0000 (09:34 +0000)]
re PR fortran/68196 (ICE on function result with procedure pointer component)
2015-12-18 Paul Thomas <pault@gcc.gnu.org>
PR fortran/68196
*expr.c (gfc_has_default_initializer): Prevent infinite recursion
through this function for procedure pointer components.
* trans-array.c (structure_alloc_comps): Ditto twice.
2015-12-18 Paul Thomas <pault@gcc.gnu.org>
PR fortran/68196
* gfortran.dg/proc_ptr_48.f90: New test.
Andreas Krebbel [Fri, 18 Dec 2015 09:20:53 +0000 (09:20 +0000)]
S/390: Deprecate g5 and g6 CPU levels
gcc/ChangeLog:
2015-12-18 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
z900 -march -mtune even on g5 and g6 machines.
* config/s390/s390.c (s390_option_override_internal): New argument
to distingiush between options and target attributes. Emit
deprecation warning for g5 and g6 arch/tune options.
(s390_option_override): Set new s390_option_override_internal
argument to true.
(s390_valid_target_attribute_tree): Set new
s390_option_override_internal argument to false.
* config/s390/s390.h: Default to z900 in the driver.
* doc/invoke.texi: Document the deprecation of g5 and g6.
gcc/testsuite/ChangeLog:
2015-12-18 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* gcc.target/s390/hotpatch-8.c: Add -Wno-deprecated to options.
* gcc.target/s390/hotpatch-9.c: Likewise.
Patrick Palka [Fri, 18 Dec 2015 02:25:39 +0000 (02:25 +0000)]
Fix PR c++/68831 (superfluous -Waddress warning for C++ delete)
gcc/cp/ChangeLog:
PR c++/68831
* init.c (build_delete): Use a warning sentinel to disable
-Waddress warnings when building the conditional that tests
if the operand is NULL.
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.
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.
* 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.
* 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.
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.
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.
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.
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.
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.
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.
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.
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.
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
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.
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.
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.
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.
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.
projects / thirdparty / gcc.git / log
