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  1. 16 Dec, 2015 28 commits
  3. 15 Dec, 2015 12 commits
    • struct-layout-1_generate.c: Avoid generating further fields after the first flexible array member. · 7e9a3ad3 
      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
      Martin Sebor committed
    • nvptx.c (write_one_arg): Rename to ... · 1f065954 
      	* 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
      Nathan Sidwell committed
    • Restore accidentally-removed volatile qualifier · b110e777 
      	* include/std/functional (_Mu<_Arg, false, false>::operator()): Restore
	accidentally-removed volatile qualifier.

From-SVN: r231660
      Jonathan Wakely committed
    • nvptx.md (nvptx_register_operand): Don't accept and then reject subregs. · bd5d4b65 
      	* 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
      Nathan Sidwell committed
    • * hash-map.h, hash-table.h: Make copy constructors explicit. · 951c9e90 
      From-SVN: r231658
      Jason Merrill committed
    • Add space between name and email in Changelog · 57e8ab24 
      From-SVN: r231657
      Alessandro Fanfarillo committed
    • re PR c/68907 (bogus warning: right-hand operand of comma expression has no… · 2994fb91 
      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
      Marek Polacek committed
    • c-common.c (c_common_attribute_table): Handle "omp declare target link" attribute. · 4a38b02b 
      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
      Ilya Verbin committed
    • re PR middle-end/21273 (gensupport.c:collect_insn_data doesn't consider the… · b7e2dd6f 
      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
      Bernd Schmidt committed
    • Remove vestigial traces of std::tr1::bind · 72030b28 
      	* 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
      Jonathan Wakely committed
    • Fix cv-qualifiers in std::bind invocation · 66667312 
      	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
      Jonathan Wakely committed
    • nvptx.h (HARD_REGNO_NREGS): Reformat. · 5c036f3f 
      	* 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
      Nathan Sidwell committed