re PR testsuite/59897 (FAIL: c-c++-common/asan/use-after-return-1.c -O* output...

[gcc.git] / gcc / c / ChangeLog

2014-01-22  Marek Polacek  <polacek@redhat.com>

	PR c/59891
	* c-typeck.c (build_conditional_expr): Call c_fully_fold instead
	of remove_c_maybe_const_expr on op1 and op2.

2014-01-15  Jakub Jelinek  <jakub@redhat.com>

	PR c/58943
	* c-typeck.c (build_modify_expr): For lhs op= rhs, if rhs has side
	effects, preevaluate rhs using SAVE_EXPR first.

2014-01-09  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	PR c++/59631
	* c-parser.c (c_parser_postfix_expression): Replaced consecutive if
	statements with if-elseif statements.

2014-01-06  Marek Polacek  <polacek@redhat.com>

	PR c/57773
	* c-decl.c (check_bitfield_type_and_width): Warn for implementation
	defined bit-field types only in ISO C.

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	Update copyright years

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* c-array-notation.c: Use the standard form for the copyright notice.

2013-12-18  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-parser.c (struct c_parser::cilk_simd_fn_tokens): Added new field.
	(c_parser_declaration_or_fndef): Added a check if cilk_simd_fn_tokens
	field in parser is not empty.  If not-empty, call the function
	c_parser_finish_omp_declare_simd.
	(c_parser_cilk_clause_vectorlength): Modified function to be shared
	between SIMD-enabled functions and #pragma simd.  Added new parameter.
	(c_parser_cilk_all_clauses): Modified the usage of the function
	c_parser_cilk_clause_vectorlength as mentioned above.
	(c_parser_cilk_simd_fn_vector_attrs): New function.
	(c_finish_cilk_simd_fn_tokens): Likewise.
	(is_cilkplus_vector_p): Likewise.
	(c_parser_omp_clause_name): Added checking for "vectorlength,"
	"nomask," and "mask" strings in clause name.
	(c_parser_omp_all_clauses): Added 3 new case statements:
	PRAGMA_CILK_CLAUSE_VECTORLENGTH, PRAGMA_CILK_CLAUSE_MASK and
	PRAGMA_CILK_CLAUSE_NOMASK.
	(c_parser_attributes): Added a cilk_simd_fn_tokens parameter.  Added a
	check for vector attribute and if so call the function
	c_parser_cilk_simd_fn_vector_attrs.  Also, when Cilk plus is enabled,
	called the function c_finish_cilk_simd_fn_tokens.
	(c_finish_omp_declare_simd): Added a check if cilk_simd_fn_tokens in
	parser field is non-empty.  If so, parse them as you would parse
	the omp declare simd pragma.
	(c_parser_omp_clause_linear): Added a new bool parm. is_cilk_simd_fn.
	Added a check when step is a parameter and flag it as error.
	(CILK_SIMD_FN_CLAUSE_MASK): New #define.
	(c_parser_cilk_clause_name): Changed pragma_cilk_clause to
	pragma_omp_clause.

2013-12-17  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (c_parser_omp_parallel): Fix description.

2013-12-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-objc-common.h (LANG_HOOKS_CILKPLUS_FRAME_CLEANUP): Remove.
	(LANG_HOOKS_CILKPLUS_DETECT_SPAWN_AND_UNWRAP): Likewise.
	(LANG_HOOKS_CILKPLUS_CILKPLUS_GIMPLIFY_SPAWN): Likewise.
	* c-typeck.c (cilk_install_body_with_frame_cleanup): New function.

2013-12-04  Joseph Myers  <joseph@codesourcery.com>

	PR c/52023
	* c-parser.c (c_parser_alignas_specifier): Use
	c_sizeof_or_alignof_type instead of c_alignof.
	(c_parser_alignof_expression): Likewise, with min_alignof
	parameter depending on alignof spelling used.

2013-12-04  Marek Polacek  <polacek@redhat.com>

	PR c/54113
	* c-decl.c (start_function): Don't warn for missing prototype for
	inline functions.

2013-12-03  Marek Polacek  <polacek@redhat.com>

	PR c/59351
	* c-decl.c (build_compound_literal): Allow compound literals with
	empty initial value.

2013-12-02  Joseph Myers  <joseph@codesourcery.com>

	PR c/58235
	* c-typeck.c (build_modify_expr): Diagnose assignment to
	expression with array type.

2013-11-29  Joseph Myers  <joseph@codesourcery.com>

	PR c/42262
	* c-typeck.c (process_init_element): Do not treat a string as
	initializing a whole array when used with a designator for an
	individual element.

2013-11-29  Joseph Myers  <joseph@codesourcery.com>

	PR c/57574
	* c-decl.c (merge_decls): Clear DECL_EXTERNAL for a definition of
	an inline function following a static declaration.

2013-11-28  Jakub Jelinek  <jakub@redhat.com>

	PR c/59310
	* c-parser.c (c_parser_omp_target): Copy "#pragma omp target"
	to p_name before calling c_parser_omp_teams instead of after.
	(c_parser_cilk_simd): Remove wrong ATTRIBUTE_UNUSED from parser
	argument.  Remove unused p_name variable.

2013-11-27  Aldy Hernandez  <aldyh@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* c-decl.c (c_builtin_function_ext_scope): Avoid binding if
	external_scope is NULL.

2013-11-27  Tom de Vries  <tom@codesourcery.com>
	    Marc Glisse  <marc.glisse@inria.fr>

	PR c++/59032
	* c-typeck.c (build_unary_op): Allow vector increment and decrement.

2013-11-22  Andrew MacLeod  <amacleod@redhat.com>

	* c-typeck.c: Add required include files from gimple.h.

2013-11-22  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (define_label, shadow_tag_warned)
	(check_bitfield_type_and_width, grokdeclarator, grokparms,
	store_parm_decls_newstyle, store_parm_decls_oldstyle)
	(declspecs_add_type): Remove use of in_system_header macro.
	* c-parser.c (c_parser_unary_expression): Likewise.
	* c-typeck.c (store_init_value, process_init_element)
	(c_start_case): Likewise.

	* c-decl.c (build_enumerator): Remove use of EXPR_LOC_OR_HERE
	macro.

	* c-parser.c (c_parser_set_source_position_from_token): Remove
	reference to in_system_header from comment.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* c-decl.c (grokdeclarator): Update comment to refer to
	tree_to_[su]hwi rather than tree_low_cst.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* c-decl.c, c-typeck.c: Replace tree_low_cst (..., 1) with
	tree_to_uhwi throughout.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* c-parser.c: Replace tree_low_cst (..., 0) with tree_to_shwi
	throughout.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* c-parser.c: Replace host_integerp (..., 0) with tree_fits_shwi_p
	throughout.

2013-11-15  Aldy Hernandez  <aldyh@redhat.com>

	* c-parser.c (c_parser_cilk_simd): New.
	(c_parser_cilk_verify_simd): New.
	(c_parser_pragma): Add case for PRAGMA_CILK_SIMD.
	(c_parser_omp_for_loop): Add case for NE_EXPR.
	Set c_break_label for CILK_SIMD.
	(c_parser_cilk_clause_vectorlength): New.
	(c_parser_cilk_clause_linear): New.
	(c_parser_cilk_clause_name): New.
	(c_parser_cilk_all_clauses): New.
	* c-typeck.c (build_unary_op): Pass location argument to
	readonly_error.
	(build_modify_expr): Same.
	(build_asm_expr): Same.
	(c_finish_bc_stmt): Error on break/continue in loops.

2013-11-14  Andrew MacLeod  <amacleod@redhat.com>

	* c-typeck.c: Include only gimplify.h and gimple.h as needed.

2013-11-14  Diego Novillo  <dnovillo@google.com>

	* c-decl.c: Include print-tree.h.
	Include stor-layout.h.
	Include varasm.h.
	Include attribs.h.
	Include stringpool.h.
	* c-lang.c: Include fold-const.h.
	* c-parser.c: Include stringpool.h.
	Include attribs.h.
	Include stor-layout.h.
	Include varasm.h.
	Include trans-mem.h.
	* c-typeck.c: Include stor-layout.h.
	Include trans-mem.h.
	Include varasm.h.
	Include stmt.h.

2013-11-13  Joseph Myers  <joseph@codesourcery.com>

	* c-tree.h (c_typespec_keyword): Add cts_auto_type.
	* c-decl.c (declspecs_add_type, finish_declspecs): Handle
	__auto_type.
	* c-parser.c (c_token_starts_typename, c_token_starts_declspecs)
	(c_parser_attribute_any_word, c_parser_objc_selector): Handle
	RID_AUTO_TYPE.
	(c_parser_declspecs): Take argument AUTO_TYPE_OK.
	(c_parser_declaration_or_fndef, c_parser_struct_declaration)
	(c_parser_declarator, c_parser_direct_declarator_inner)
	(c_parser_parameter_declaration, c_parser_type_name): All callers
	changed.
	(c_parser_declaration_or_fndef): Handle declarations with type
	determined from the initializer.

2013-11-12  Andrew MacLeod  <amacleod@redhat.com>

	* c-typeck.c: Include gimplify.h.

2013-11-12  Joseph Myers  <joseph@codesourcery.com>

	* c-tree.h (struct c_declspecs): Add thread_gnu_p field.
	* c-parser.c (c_parser_declspecs): Mention _Thread_local in
	comment.
	* c-decl.c (shadow_tag_warned, grokdeclarator): Mention __thread
	or _Thread_local as appropriate in diagnostics.
	(build_null_declspecs): Initialize ret->thread_gnu_p.
	(declspecs_add_scspec): Handle either __thread or _Thread_local
	for RID_THREAD.  Diagnose _Thread_local for pre-C11 standards if
	pedantic.  Do not disallow _Thread_local extern and _Thread_local
	static.

2013-11-07  Joseph Myers  <joseph@codesourcery.com>
	    Andrew MacLeod  <amacleod@redhat.com>

	* c-aux-info.c (gen_type): Handle atomic qualifier.
	* c-decl.c (validate_proto_after_old_defn): Do not remove atomic
	qualifiers when compating types.
	(shadow_tag_warned): Handle atomic_p in declspecs.
	(quals_from_declspecs): Likewise.
	(start_decl): Use c_type_promotes_to when promoting argument
	types.
	(grokdeclarator): Handle _Atomic.
	(get_parm_info): Diagnose any qualifier on "void" as only
	parameter.
	(store_parm_decls_oldstyle): Do not remove atomic qualifiers when
	comparing types.  Use c_type_promotes_to when promoting argument
	types.
	(finish_function): Use c_type_promotes_to when promoting argument
	types.
	(build_null_declspecs): Handle atomic_p in declspecs.
	(declspecs_add_qual): Handle RID_ATOMIC.
	* c-parser.c (c_token_starts_typename, c_token_is_qualifier)
	(c_token_starts_declspecs): Handle RID_ATOMIC.
	(c_parser_declspecs): Handle atomic type specifiers and
	qualifiers.
	(c_parser_typeof_specifier): Remove const and _Atomic qualifiers
	from types of expressions with atomic type.
	(c_parser_direct_declarator_inner): Use convert_lvalue_to_rvalue.
	(c_parser_attribute_any_word): Handle RID_ATOMIC.
	(c_parser_initializer, c_parser_initelt, c_parser_initval)
	(c_parser_statement_after_labels, c_parser_switch_statement)
	(c_parser_for_statement, c_parser_expr_no_commas)
	(c_parser_conditional_expression, c_parser_binary_expression)
	(c_parser_cast_expression, c_parser_unary_expression)
	(c_parser_postfix_expression)
	(c_parser_postfix_expression_after_primary, c_parser_expression):
	Use convert_lvalue_to_rvalue.
	(c_parser_expression_conv, c_parser_expr_list): Document
	conversion of lvalues to rvalues.  Use convert_lvalue_to_rvalue.
	(c_parser_objc_synchronized_statement): Use
	convert_lvalue_to_rvalue.
	(c_parser_objc_selector): Handle RID_ATOMIC.
	(c_parser_objc_receiver, c_parser_array_notation): Use
	convert_lvalue_to_rvalue.
	* c-tree.h (ctsk_typeof): Adjust comment to mention use for
	_Atomic (type-name).
	(struct c_declspecs): Add atomic_p field.
	(convert_lvalue_to_rvalue): Declare.
	* c-typeck.c (c_type_promotes_to): Promote atomic types to
	corresponding atomic types.
	(qualify_type): Don't add _Atomic qualifiers from second argument.
	(comp_target_types): Do not allow _Atomic mismatches.
	(type_lists_compatible_p): Do not remove atomic qualifiers when
	comparing types.
	(really_atomic_lvalue, convert_lvalue_to_rvalue)
	(build_atomic_assign): New functions.
	(build_unary_op): Use build_atomic_assign for atomic increment and
	decrement.
	(build_conditional_expr): Do not treat _Atomic void as a qualified
	version of void.
	(build_modify_expr): Use build_atomic_assign for atomic LHS.
	(find_anonymous_field_with_type, convert_to_anonymous_field)
	(convert_for_assignment): Do not remove atomic qualifiers when
	comparing types.
	(digest_init): Do not accept initialization of arrays of atomic
	elements by string constants.
	(build_asm_expr): Use convert_lvalue_to_rvalue.
	(build_binary_op): Do not treat _Atomic void as a qualified
	version of void.

2013-11-06  DJ Delorie  <dj@redhat.com>

	* c-decl.c (locate_old_decl): If a previous conflicting decl is
	both explicit and builtin, print the location of the explicit one.

2013-11-05  Tobias Burnus  <burnus@net-b.de>

	* c-parser.c (c_parser_omp_for, c_parser_omp_parallel,
	c_parser_omp_distribute, c_parser_omp_teams,
	c_parser_omp_target, c_parser_omp_declare): Handle
	-fopenmp-simd.

2013-11-03  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (grokdeclarator): Add VLA instrumentation.

2013-11-01  Jakub Jelinek  <jakub@redhat.com>

	* c-typeck.c (c_finish_omp_clauses) <case OMP_CLAUSE_UNIFORM>: Go to
	check_dup_generic at the end, unless remove is true.
	(c_finish_omp_clauses) <case OMP_CLAUSE_REDUCTION>: Add break; after
	remove = true;.
	(c_finish_omp_clauses) <case OMP_CLAUSE_COPYIN>: Likewise.

2013-10-31  Jakub Jelinek  <jakub@redhat.com>

	* c-typeck.c (c_finish_omp_clauses): Diagnose aligned clause
	with decl that is not pointer nor array.

2013-10-29  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-decl.c (finish_function): Added a call for insert_cilk_frame when
	a spawning function is found.
	* c-objc-common.h (LANG_HOOKS_CILKPLUS_GIMPLIFY_SPAWN): New #define.
	(LANG_HOOKS_CILKPLUS_FRAME_CLEANUP): Likewise.
	(LANG_HOOKS_CILKPLUS_DETECT_SPAWN_AND_UNWRAP): Likewise.
	* c-parser.c (c_parser_statement_after_labels): Added RID_CILK_SYNC
	case.
	(c_parser_postfix_expression): Added RID_CILK_SPAWN case.
	* c-typeck.c (build_compound_expr): Reject _Cilk_spawn in a comma
	expr.
	(c_finish_return): Added a check to reject _Cilk_spawn in return
	expression.
	(build_cilk_spawn): New function.
	(build_cilk_sync): Likewise.
	* Makefile.in (c-decl.o): Added cilk.h in dependency list.
	
2013-10-27  Tobias Burnus  <burnus@net-b.de>

	PR other/33426
	* c-parser.c (c_parser_while_statement, c_parser_while_statement,
	c_parser_pragma): Add GCC ivdep support to 'do' and 'while'.
	(c_parser_statement_after_labels): Update calls.

2013-10-24  Tobias Burnus  <burnus@net-b.de>

	PR other/33426
	* c-parser.c (c_parser_pragma, c_parser_for_statement):
	Handle PRAGMA_IVDEP.
	(c_parser_statement_after_labels): Update call.

2013-10-24  Marek Polacek  <polacek@redhat.com>

	* c-parser.c (c_parser_struct_declaration): Add a comment.
	(c_parser_declarator): Don't allow _Alignas here.

2013-10-17  Andrew MacLeod  <amacleod@redhat.com>

	* c-parser.c: Include omp-low.h.
	* c-typeck.c: Likewise.

2013-10-17  Marek Polacek  <polacek@redhat.com>

	PR c/58267
	* c-parser.c (c_parser_declspecs): Add alignspec_ok parameter.
	Document syntax of the array-declarator.
	(c_parser_declspecs) <RID_ALIGNAS>: Bail out if alignment specs
	are not permitted.
	(c_parser_declaration_or_fndef): Adjust c_parser_declspecs call.
	(c_parser_struct_declaration): Likewise.
	(c_parser_declarator): Likewise.
	(c_parser_direct_declarator_inner): Likewise.
	(c_parser_parameter_declaration): Likewise.
	(c_parser_type_name): Likewise.

2013-10-11  Jakub Jelinek  <jakub@redhat.com>

	* c-lang.h (current_omp_declare_target_attribute): New extern
	decl.
	* c-parser.c: Include c-lang.h.
	(struct c_parser): Change tokens to c_token *.
	Add tokens_buf field.  Change tokens_avail type to unsigned int.
	(c_parser_consume_token): If parser->tokens isn't
	&parser->tokens_buf[0], increment parser->tokens.
	(c_parser_consume_pragma): Likewise.
	(enum pragma_context): Add pragma_struct and pragma_param.
	(c_parser_external_declaration): Adjust
	c_parser_declaration_or_fndef caller.
	(c_parser_declaration_or_fndef): Add omp_declare_simd_clauses
	argument, if it is non-vNULL vector, call c_finish_omp_declare_simd.
	Adjust recursive call.
	(c_parser_struct_or_union_specifier): Use pragma_struct instead
	of pragma_external.
	(c_parser_parameter_declaration): Use pragma_param instead of
	pragma_external.
	(c_parser_compound_statement_nostart, c_parser_label,
	c_parser_for_statement): Adjust
	c_parser_declaration_or_fndef callers.
	(c_parser_expr_no_commas): Add omp_atomic_lhs argument, pass
	it through to c_parser_conditional_expression.
	(c_parser_conditional_expression): Add omp_atomic_lhs argument,
	pass it through to c_parser_binary_expression.  Adjust recursive
	call.
	(c_parser_binary_expression): Remove prec argument, add
	omp_atomic_lhs argument instead.  Always start from PREC_NONE, if
	omp_atomic_lhs is non-NULL and one of the arguments of toplevel
	binop matches it, use build2 instead of parser_build_binary_op.
	(c_parser_pragma): Handle PRAGMA_OMP_CANCEL,
	PRAGMA_OMP_CANCELLATION_POINT, PRAGMA_OMP_TARGET,
	PRAGMA_OMP_END_DECLARE_TARGET, PRAGMA_OMP_DECLARE_REDUCTION.
	Handle pragma_struct and pragma_param the same as pragma_external.
	(c_parser_omp_clause_name): Parse new OpenMP 4.0 clause names.
	(c_parser_omp_variable_list): Parse array sections for
	OMP_CLAUSE_{DEPEND,MAP,TO,FROM} clauses.
	(c_parser_omp_clause_collapse): Fully fold collapse expression.
	(c_parser_omp_clause_reduction): Handle user defined reductions.
	(c_parser_omp_clause_branch, c_parser_omp_clause_cancelkind,
	c_parser_omp_clause_num_teams, c_parser_omp_clause_thread_limit,
	c_parser_omp_clause_aligned, c_parser_omp_clause_linear,
	c_parser_omp_clause_safelen, c_parser_omp_clause_simdlen,
	c_parser_omp_clause_depend, c_parser_omp_clause_map,
	c_parser_omp_clause_device, c_parser_omp_clause_dist_schedule,
	c_parser_omp_clause_proc_bind, c_parser_omp_clause_to,
	c_parser_omp_clause_from, c_parser_omp_clause_uniform): New functions.
	(c_parser_omp_all_clauses): Add finish_p argument.  Don't call
	c_finish_omp_clauses if it is false.  Handle new OpenMP 4.0 clauses.
	(c_parser_omp_atomic): Parse seq_cst clause, pass true if it is
	present to c_finish_omp_atomic.  Handle OpenMP 4.0 atomic forms.
	(c_parser_omp_for_loop): Add CODE argument, pass it through
	to c_finish_omp_for.  Change last argument to cclauses,
	and adjust uses to grab parallel clauses from the array of all
	the split clauses.  Adjust c_parser_binary_expression,
	c_parser_declaration_or_fndef and c_finish_omp_for callers.
	(omp_split_clauses): New function.
	(c_parser_omp_simd): New function.
	(c_parser_omp_for): Add p_name, mask and cclauses arguments.
	Allow the function to be called also when parsing combined constructs,
	and call c_parser_omp_simd when parsing for simd.
	(c_parser_omp_sections_scope): If section-sequence doesn't start with
	#pragma omp section, require exactly one structured-block instead of
	sequence of statements.
	(c_parser_omp_sections): Add p_name, mask and cclauses arguments.
	Allow the function to be called also when parsing combined constructs.
	(c_parser_omp_parallel): Add p_name, mask and cclauses arguments.
	Allow the function to be called also when parsing combined
	constructs.
	(c_parser_omp_taskgroup, c_parser_omp_cancel,
	c_parser_omp_cancellation_point, c_parser_omp_distribute,
	c_parser_omp_teams, c_parser_omp_target_data,
	c_parser_omp_target_update, c_parser_omp_target,
	c_parser_omp_declare_simd, c_finish_omp_declare_simd,
	c_parser_omp_declare_target, c_parser_omp_end_declare_target,
	c_parser_omp_declare_reduction, c_parser_omp_declare): New functions.
	(c_parser_omp_construct): Add p_name and mask vars.  Handle
	PRAGMA_OMP_DISTRIBUTE, PRAGMA_OMP_SIMD, PRAGMA_OMP_TASKGROUP,
	PRAGMA_OMP_TEAMS.  Adjust c_parser_omp_for, c_parser_omp_parallel
	and c_parser_omp_sections callers.
	(c_parse_file): Initialize tparser.tokens and the_parser->tokens here.
	(OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
	OMP_SINGLE_CLAUSE_MASK): Use OMP_CLAUSE_MASK_1 instead of 1.
	(OMP_PARALLEL_CLAUSE_MASK): Likewise.  Add OMP_CLAUSE_PROC_BIND.
	(OMP_TASK_CLAUSE_MASK): Use OMP_CLAUSE_MASK_1 instead of 1.  Add
	OMP_CLAUSE_DEPEND.
	(OMP_SIMD_CLAUSE_MASK, OMP_CANCEL_CLAUSE_MASK,
	OMP_CANCELLATION_POINT_CLAUSE_MASK, OMP_DISTRIBUTE_CLAUSE_MASK,
	OMP_TEAMS_CLAUSE_MASK, OMP_TARGET_DATA_CLAUSE_MASK,
	OMP_TARGET_UPDATE_CLAUSE_MASK, OMP_TARGET_CLAUSE_MASK,
	OMP_DECLARE_SIMD_CLAUSE_MASK): Define.
	* c-typeck.c: Include tree-inline.h.
	(c_finish_omp_cancel, c_finish_omp_cancellation_point,
	handle_omp_array_sections_1, handle_omp_array_sections,
	c_clone_omp_udr, c_find_omp_placeholder_r): New functions.
	(c_finish_omp_clauses): Handle new OpenMP 4.0 clauses and
	user defined reductions.
	(c_tree_equal): New function.
	* c-tree.h (temp_store_parm_decls, temp_pop_parm_decls,
	c_finish_omp_cancel, c_finish_omp_cancellation_point, c_tree_equal,
	c_omp_reduction_id, c_omp_reduction_decl, c_omp_reduction_lookup,
	c_check_omp_declare_reduction_r): New prototypes.
	* c-decl.c (current_omp_declare_target_attribute): New variable.
	(c_decl_attributes): New function.
	(start_decl, start_function): Use it instead of decl_attributes.
	(temp_store_parm_decls, temp_pop_parm_decls, c_omp_reduction_id,
	c_omp_reduction_decl, c_omp_reduction_lookup,
	c_check_omp_declare_reduction_r): New functions.

2013-09-25  Tom Tromey  <tromey@redhat.com>

	* Make-lang.in (c/gccspec.o): Remove.
	(CFLAGS-c/gccspec.o): New variable.
	(cc1-checksum.o, C_TREE_H, c/c-aux-info.o, c/c-convert.o)
	(c/c-decl.o, c/c-errors.o, c/c-lang.o, c/c-objc-common.o)
	(c/c-parser.o, c/c-typeck.o, c/c-array-notation.o): Remove.

2013-09-25  Tom Tromey  <tromey@redhat.com>

	* Make-lang.in (c/gccspec.o): Don't use subshell.

2013-09-18  Marek Polacek  <polacek@redhat.com>

	PR sanitize/58443
	* c-typeck.c (build_binary_op): Properly honor -fsanitize options.
	Remove unnecessary check.

2013-09-18  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/58411
	* c-typeck.c (build_binary_op): Don't sanitize function if it has the
	no_sanitize_undefined attribute.

2013-09-13  Kai Tietz  <ktietz@redhat.com>

	PR target/57848
	* c-decl.c (c_builtin_function_ext_scope): Remove
	wrong assumption that it is never called on prexisting
	symbol.

2013-09-08  Joern Rennecke  <joern.rennecke@embecosm.com>

	* c-typeck.c (build_binary_op): Use vector_types_compatible_elements_p.

2013-09-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* c-objc-common.c (c_tree_printer): Tidy.

2013-08-30  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (build_binary_op): Add division by zero and shift
	instrumentation.

2013-08-26  Joern Rennecke  <joern.rennecke@embecosm.com>
	    Joseph Myers  <joseph@codesourcery.com>

	PR c/35649
	* c-typeck.c (c_common_type): Prefer double_type_node over
	other REAL_TYPE types with the same precision.
	(convert_arguments): Likewise.

2013-08-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* c-objc-common.c (c_tree_printer): Document the nature of the cast.
	(c_initialize_diagnostics): Call a destructor for the early printer.

2013-08-22  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* c-objc-common.c (c_initialize_diagnostics): Simplify C pretty
	printer initialization.

2013-08-19  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	PR c/57490
	* c-array-notation.c (fix_conditional_array_notations_1): Added a
	check for truth values.
	(expand_array_notation_exprs): Added truth values case.  Removed an
	unwanted else.  Added for-loop to walk through subtrees in default
	case.

2013-08-04  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* c-objc-common.c (c_initialize_diagnostics): Don't call pp_base.

2013-07-23  Joseph Myers  <joseph@codesourcery.com>

	* c-parser.c (struct c_generic_association): Fix typo.

2013-07-23  Tom Tromey  <tromey@redhat.com>
	    Joseph Myers  <joseph@codesourcery.com>

	* c-parser.c (struct c_generic_association): New.
	(c_generic_association_d): New typedef.
	(c_parser_generic_selection): New function.
	(c_parser_postfix_expression): Handle RID_GENERIC.

2013-07-13  Jason Merrill  <jason@redhat.com>

	PR c++/57793
	* c-decl.c (finish_struct): Check for too-large class.

2013-07-04  Joern Rennecke  <joern.rennecke@embecosm.com>

	PR c/57821
	* c-typeck.c (set_init_index): When folding, check for index overflow.

2013-06-28  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-parser.c (c_parser_array_notation): Removed rejection of array
	notations in an array of function pointers.

2013-06-21  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (make_triplet_val_inv): New function.
	(create_cmp_incr): Likewise.
	(create_array_refs): Likewise.
	(fix_builtin_array_notation_fn): Replaced all mallocs with tree vec.
	Also modularized common parts between functions and called the function.
	(build_array_notation_expr): Likewise.
	(fix_conditional_array_notations_1): Likewise.
	(fix_array_notation_expr): Likewise.
	(fix_array_notation_call_expr): Likewise.

2013-06-18  Marek Polacek  <polacek@redhat.com>

	PR c/57630
	* c-decl.c (check_for_loop_decls): Improve diagnostics messages.

2013-06-12  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (build_array_notation_expr): Reject array notation
	mismatch between LHS and RHS even inside a call_expr.  Also, removed
	a couple while statements that were dead code.

2013-06-10  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (fix_builtin_array_notation_fn): Fully folded
	excessive precision expressions in function parameters.  Also removed
	couple unwanted while statements.

2013-06-07  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (expand_array_notation_exprs): Added
	ARRAY_NOTATION_REF case.
	
2013-06-07  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (length_mismatch_in_expr_p): Moved this
	function to c-family/array-notation-common.c.
	(is_cilkplus_reduce_builtin): Likewise.
	(find_rank): Likewise.
	(extract_array_notation_exprs): Likewise.
	(replace_array_notations): Likewise.
	(find_inv_trees): Likewise.
	(replace_inv_trees): Likewise.
	(contains_array_notation_expr): Likewise.
	(find_correct_array_notation_type): Likewise.
	(replace_invariant_exprs): Initialized additional_tcodes to NULL.
	(struct inv_list): Moved this to c-family/array-notation-common.c.
	* c-tree.h (is_cilkplus_builtin_reduce): Remove prototype.
	
2013-06-05  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-typeck.c (convert_arguments): Moved checking of builtin cilkplus
	reduction functions outside the for-loop.  Added a check if the fundecl
	is non-NULL.  Finally, removed an unwanted if-statement, and made the
	body unconditional.

2013-06-03  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-typeck.c (c_finish_if_stmt): Added a check to see if the rank of the
	condition of the if-statement matches the rank of else-block and then-
	block when array notations are used.
	* c-parser.c (c_parser_declaration_or_fndef): Expanded array notation
	expression after the entire function body is parsed.
	(c_parser_expr_no_commas): Delayed creating array notation expressions
	to the end of function parsing.
	* c-array-notation.c (fix_conditional_array_notations_1): Expanded the
	whole if-statement instead of just the condition.
	(expand_array_notation_exprs): Added MODIFY_EXPR case.	

2013-06-03  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	PR c/57474
	* c-array-notation.c (build_array_notation_expr): Initialized rhs_length
	array to NULL_TREE if they are unused.  Also added a check for the
	field to be NULL before its fields are used in future.
	
2013-05-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/57450
	* c-array-notation.c (length_mismatch_in_expr_p): Use absu_hwi.
	(build_array_notation_expr): Likewise.

2013-05-28  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-typeck.c (build_array_ref): Added a check to see if array's
	index is greater than one.  If true, then emit an error.
	(build_function_call_vec): Exclude error reporting and checking
	for builtin array-notation functions.
	(convert_arguments): Likewise.
	(c_finish_return): Added a check for array notations as a return
	expression.  If true, then emit an error.
	(c_finish_loop): Added a check for array notations in a loop
	condition.  If true then emit an error.
	(lvalue_p): Added a ARRAY_NOTATION_REF case.
	(build_binary_op): Added a check for array notation expr inside
	op1 and op0.  If present, we call another function to find correct
	type.
	* Make-lang.in (C_AND_OBJC_OBJS): Added c-array-notation.o.
	* c-parser.c (c_parser_compound_statement): Check if array
	notation code is used in tree, if so, then transform them into
	appropriate C code.
	(c_parser_expr_no_commas): Check if array notation is used in LHS
	or RHS, if so, then build array notation expression instead of
	regular modify.
	(c_parser_postfix_expression_after_primary): Added a check for
	colon(s) after square braces, if so then handle it like an array
	notation.  Also, break up array notations in unary op if found.
	(c_parser_direct_declarator_inner): Added a check for array
	notation.
	(c_parser_compound_statement): Added a check for array notation in
	a stmt.  If one is present, then expand array notation expr.
	(c_parser_if_statement): Likewise.
	(c_parser_switch_statement): Added a check for array notations in
	a switch statement's condition.  If true, then output an error.
	(c_parser_while_statement): Similarly, but for a while.
	(c_parser_do_statement): Similarly, but for a do-while.
	(c_parser_for_statement): Similarly, but for a for-loop.
	(c_parser_unary_expression): Check if array notation is used in a
	pre-increment or pre-decrement expression.  If true, then expand
	them.
	(c_parser_array_notation): New function.
	* c-array-notation.c: New file.
	* c-tree.h (is_cilkplus_reduce_builtin): Protoize.
	
2013-05-23  Mike Stump  <mikestump@comcast.net>

	* c-typeck.c (convert_for_assignment): Handle references to memory
	spaces better.

2013-05-16  Jason Merrill  <jason@redhat.com>

	* Make-lang.in (cc1$(exeext)): Use link mutex.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* c-typeck.c (pointer_diff): Change -Wpointer-arith pedwarns
	to simply use OPT_Wpointer_arith.
	(build_unary_op): Likewise.

2013-04-03  Jakub Jelinek  <jakub@redhat.com>

	PR c/19449
	* c-parser.c (c_parser_get_builtin_args): Add choose_expr_p
	argument.  If set, or it temporarily for parsing of the first
	argument into force_folding_builtin_constant_p.
	(c_parser_postfix_expression): Adjust callers.

2013-03-21  Richard Biener  <rguenther@suse.de>

	* c-objc-common.c (c_tree_printer): Use DECL_HAS_DEBUG_EXPR_P
	instead of DECL_DEBUG_EXPR_IS_FROM.  Guard properly.

2013-02-12  Marek Polacek  <polacek@redhat.com>

	PR c/44938
	* c-parser.c (c_parser_postfix_expression_after_primary): Initialize
	origtypes to NULL.

2013-01-24  Jakub Jelinek  <jakub@redhat.com>

	PR c/56078
	* c-typeck.c (set_nonincremental_init_from_string): If
	constructor_max_index is NULL, treat it as if tree_int_cst_lt
	returned false.
	(process_init_element): Likewise.

2012-12-20  Jakub Jelinek  <jakub@redhat.com>

	PR c++/55619
	* c-parser.c (c_parser_asm_operands): Remove CONVERT_P
	argument, don't call default_function_array_conversion
	nor c_fully_fold here.
	(c_parser_asm_statement): Adjust callers.
	* c-typeck.c (build_asm_expr): Call c_fully_fold on inputs
	and outputs here, and call default_function_array_conversion
	on inputs that don't need to be addressable.

2012-12-18  Jakub Jelinek  <jakub@redhat.com>

	PR c/39464
	* c-typeck.c (convert_for_assignment): For -Wpointer-sign
	warning require that both c_common_unsigned_type as well as
	c_common_signed_type is the same for both mvl and mvr types.

2012-11-16  Diego Novillo  <dnovillo@google.com>

	Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)

	* c-common.c: Use new vec API in vec.h.
	* c-common.h: Likewise.
	* c-gimplify.c: Likewise.
	* c-pragma.c: Likewise.
	* c-pretty-print.c: Likewise.
	* c-pretty-print.h: Likewise.
	* c-semantics.c: Likewise.
	* c-decl.c: Likewise.
	* c-parser.c: Likewise.
	* c-tree.h: Likewise.
	* c-typeck.c: Likewise.

2012-10-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR c++/54930
	* c-typeck.c (c_finish_return): Use OPT_Wreturn_local_addr.

2012-10-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53066
	* c-decl.c (warn_if_shadowing): Do not warn if a variable
	shadows a function, unless the variable is a function or a
	pointer-to-function.

2012-10-12  Jakub Jelinek  <jakub@redhat.com>

	PR c/54381
	* c-parser.c (struct c_tree_loc_pair): Removed.
	(c_parser_expr_list): Remove struct c_tree_loc_pair * argument,
	add location_t * and tree * arguments, fill in array of 3
	sizeof_arg trees and corresponding locs.
	(c_parser_attributes, c_parser_objc_keywordexpr): Adjust
	c_parser_expr_list callers.
	(c_parser_postfix_expression_after_primary): Likewise.  Pass
	array of 3 sizeof_arg trees and locs (corresponding to first
	3 arguments) to sizeof_pointer_memaccess_warning.

2012-10-09  Lawrence Crowl  <crowl@google.com>

	* Make-lang.in (c-decl.o): Add dependence on hash-table.h.
	* c-decl.c (detect_field_duplicates_hash): Change to new type-safe
	hash table.

2012-10-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54194
	* c-typeck.c (parser_build_binary_op): Update warn_about_parentheses
	call.

2012-10-09  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/54427
	* c-typeck.c: Include c-common.h.
	(enum stv_conv): Moved to c-common.h.
	(scalar_to_vector): Moved to c-common.c.
	(build_binary_op): Adapt to scalar_to_vector's new prototype.
	* Make-lang.in: c-typeck.c depends on c-common.h.

2012-10-04  Arnaud Charlet  <charlet@adacore.com>

	* c-decl.c (c_write_global_declarations): Fix handling of
	-fdump-ada-spec*.

2012-09-30  Sharad Singhai  <singhai@google.com>

	* c-decl.c (c_write_global_declarations): Use a different method
	to determine if the dump has ben initialized.

2012-09-14  Joseph Myers  <joseph@codesourcery.com>

	PR c/54552
	* c-typeck.c (c_cast_expr): When casting to a type requiring
	C_MAYBE_CONST_EXPR to be created, pass the inner expression to
	c_fully_fold first.

2012-09-14  Joseph Myers  <joseph@codesourcery.com>

	PR c/54103
	* c-typeck.c (build_unary_op): Pass original argument of
	TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
	any C_MAYBE_CONST_EXPR, if it has integer operands.
	(build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
	TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
	to c_objc_common_truthvalue_conversion, then remove any
	C_MAYBE_CONST_EXPR, if they have integer operands.  Use
	c_objc_common_truthvalue_conversion not
	c_common_truthvalue_conversion.
	(c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
	call note_integer_operands for arguments with integer operands
	that are not integer constants.

2012-09-13  Jakub Jelinek  <jakub@redhat.com>

	PR c/54559
	* c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
	COMPLEX_TYPE with in_late_binary_op set temporarily to true.

2012-08-31  Jakub Jelinek  <jakub@redhat.com>

	PR c/54428
	* c-convert.c (convert): Don't call fold_convert_loc if
	TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
	is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
	COMPLEX_TYPE -> COMPLEX_TYPE conversion.

2012-08-24  Jakub Jelinek  <jakub@redhat.com>

	PR c/54355
	* c-decl.c (c_parser_label): Pass true as nested and fix up comments
	for nested and empty_ok arguments in the call to
	c_parser_declaration_or_fndef.

2012-08-17  Jakub Jelinek  <jakub@redhat.com>

	* c-tree.h (c_last_sizeof_arg): Declare.
	* c-parser.c (struct c_tree_loc_pair): New type.
	(c_parser_expr_list): Add sizeof_arg argument.  Fill it in if
	non-NULL.
	(c_parser_attributes, c_parser_objc_keywordexpr): Adjust callers.
	(c_parser_postfix_expression_after_primary): Likewise.  Call
	sizeof_pointer_memaccess_warning if needed.
	(sizeof_ptr_memacc_comptypes): New function.
	* c-typeck.c (c_last_sizeof_arg): New global variable.
	(c_expr_sizeof_expr, c_expr_sizeof_type): Initialize it.

2012-07-24  Uros Bizjak  <ubizjak@gmail.com>

	* c-lang.h (lang_decl): Add variable_size GTY option.

2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>

	* c-decl.c: Include dumpfile.h instead of tree-dump.h.
	* Make-lang.in: Fix dependencies.

2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>

	* Make-lang.in: New file, rules migrated from gcc/Makefile.in
	and add language Makefile hooks.
	* config-lang.in: New file.
	* c-config-lang.in: Moved from gcc/config-lang.in to here, and
	add the required "normal" config-lang.in rules.
	* c-lang.h: Moved from gcc/ to here.
	* c-tree.h: Likewise.
	* c-objc-common.c: Likewise.
	* c-objc-common.h: Likewise.
	* c-typeck.c: Likewise.
	* c-convert.c: Likewise.
	* c-lang.c: Likewise.
	* c-aux-info.c: Likewise.
	* c-errors.c: Likewise.
	* gccspec.c: Likewise.
	* c-decl.c: Likewise.  Include gt-c-c-decl.h, not gt-c-decl.h.
	* c-parser.c: Likewise.  Include gt-c-c-parser.h, not gt-c-parser.h.
\f
Copyright (C) 2012-2014 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.