2023-09-20 Jakub Jelinek * c-parser.cc (c_parser_postfix_expression_after_primary): Parse __builtin_classify_type call with typename as argument. 2023-09-19 Richard Biener PR c/111468 * gimple-parser.cc (c_parser_gimple_binary_expression): Handle __LTGT. 2023-09-19 Richard Biener PR c/111468 * gimple-parser.cc (c_parser_gimple_binary_expression): Add return type argument. (c_parser_gimple_statement): Adjust. (c_parser_gimple_paren_condition): Likewise. (c_parser_gimple_binary_expression): Use passed in return type, add support for - as POINTER_DIFF_EXPR, __UN{LT,LE,GT,GE,EQ}, __UNORDERED and __ORDERED. 2023-09-12 Tobias Burnus * c-parser.cc (struct c_omp_loc_tree): New. (c_check_omp_allocate_allocator_r): New; checking moved from ... (c_parser_omp_allocate): ... here. Call it via walk_tree. Avoid ICE with tree_to_shwi for invalid too-large value. 2023-09-12 Tobias Burnus * c-parser.cc (c_parser_omp_construct): Move call to c_parser_omp_allocate to ... (c_parser_pragma): ... here. (c_parser_omp_allocate): Avoid ICE is allocator could not be parsed; set 'omp allocate' attribute for stack/automatic variables and only reject static variables; add several additional restriction checks. * c-tree.h (c_mark_decl_jump_unsafe_in_current_scope): New prototype. * c-decl.cc (decl_jump_unsafe): Return true for omp-allocated decls. (c_mark_decl_jump_unsafe_in_current_scope): New. (warn_about_goto, c_check_switch_jump_warnings): Add error for omp-allocated decls. 2023-09-12 Martin Uecker * c-typeck.cc (struct comptypes_data): Add structure. (tagged_types_tu_compatible_p, function_types_compatible_p, type_lists_compatible_p, comptypes_internal): Add structure to interface, change return type to bool, and adapt calls. (comptarget_types): Change return type too bool. (comptypes, comptypes_check_enum_int, comptypes_check_different_types): Adapt calls. 2023-09-06 Jakub Jelinek PR c/102989 * c-decl.cc (finish_declspecs): Emit pedwarn_c11 on _BitInt. * c-typeck.cc (c_common_type): Emit sorry for common type between _Complex integer and larger _BitInt and return the _Complex integer. 2023-09-06 Jakub Jelinek PR c/102989 * c-convert.cc (c_convert): Handle BITINT_TYPE like INTEGER_TYPE. * c-decl.cc (check_bitfield_type_and_width): Allow BITINT_TYPE bit-fields. (finish_struct): Prefer to use BITINT_TYPE for BITINT_TYPE bit-fields if possible. (declspecs_add_type): Formatting fixes. Handle cts_bitint. Adjust for added union in *specs. Handle RID_BITINT. (finish_declspecs): Handle cts_bitint. Adjust for added union in *specs. * c-parser.cc (c_keyword_starts_typename, c_token_starts_declspecs, c_parser_declspecs, c_parser_gnu_attribute_any_word): Handle RID_BITINT. (c_parser_omp_clause_schedule): Handle BITINT_TYPE like INTEGER_TYPE. * c-tree.h (enum c_typespec_keyword): Mention _BitInt in comment. Add cts_bitint enumerator. (struct c_declspecs): Move int_n_idx and floatn_nx_idx into a union and add bitint_prec there as well. * c-typeck.cc (c_common_type, comptypes_internal): Handle BITINT_TYPE. (perform_integral_promotions): Promote BITINT_TYPE bit-fields to their declared type. (build_array_ref, build_unary_op, build_conditional_expr, build_c_cast, convert_for_assignment, digest_init, build_binary_op): Handle BITINT_TYPE. * c-fold.cc (c_fully_fold_internal): Handle BITINT_TYPE like INTEGER_TYPE. * c-aux-info.cc (gen_type): Handle BITINT_TYPE. 2023-09-06 Jakub Jelinek * c-decl.cc (declspecs_add_type): Use pedwarn_c11 rather than pedwarn for _FloatN{,x} diagnostics and append " before C2X" to the diagnostic text. 2023-09-05 Tobias Burnus * c-parser.cc (c_parser_omp_clause_allocate): Handle error_mark_node. 2023-08-25 Sandra Loosemore * c-parser.cc (struct c_parser): Add omp_for_parse_state field. (struct omp_for_parse_data): New. (check_omp_intervening_code): New. (add_structured_block_stmt): New. (c_parser_compound_statement_nostart): Recognize intervening code, nested loops, and other things that need special handling in OpenMP loop constructs. (c_parser_while_statement): Error on loop in intervening code. (c_parser_do_statement): Likewise. (c_parser_for_statement): Likewise. (c_parser_postfix_expression_after_primary): Error on calls to the OpenMP runtime in intervening code. (c_parser_pragma): Error on OpenMP pragmas in intervening code. (c_parser_omp_loop_nest): New. (c_parser_omp_for_loop): Rewrite to use recursive descent, calling c_parser_omp_loop_nest to do the heavy lifting. 2023-08-24 Richard Sandiford * c-parser.cc (c_parser_std_attribute): Conditionally allow two colons to be used in place of ::. (c_parser_std_attribute_list): New function, split out from... (c_parser_std_attribute_specifier): ...here. Allow the attribute-list to start with __extension__. When it does, also allow two colons to be used in place of ::. 2023-08-22 Tobias Burnus * c-parser.cc (c_parser_omp_clause_defaultmap): Parse 'all' as category. 2023-08-17 Jose E. Marchesi PR c/106537 * c-typeck.cc (build_binary_op): Warning on comparing distinct pointer types only when -Wcompare-distinct-pointer-types. 2023-08-15 Chung-Lin Tang Thomas Schwinge * c-parser.cc (OACC_DATA_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_DEFAULT. 2023-08-11 Jakub Jelinek * c-parser.cc (c_parser_typeof_specifier): Handle __typeof_unqual and __typeof_unqual__ as !is_std. 2023-08-11 Martin Uecker PR c/84510 * c-typeck.cc (build_c_cast): Add warning. 2023-08-05 Martin Uecker * c-parser.cc (c_parser_generic_selection): Inhibit evaluation warnings branches that are known not be taken during parsing. 2023-08-04 Tamar Christina * c-parser.cc (c_parser_while_statement, c_parser_do_statement, c_parser_for_statement, c_parser_statement_after_labels, c_parse_pragma_novector, c_parser_pragma): Wire through novector and default to false. 2023-08-02 Eric Feng PR analyzer/107646 * c-parser.cc: New functions on stashing values for the analyzer. 2023-08-01 Lewis Hyatt * c-parser.cc (pragma_lex_discard_to_eol): New function. (c_init_preprocess): New function. 2023-07-31 Hamza Mahfooz PR c/65213 * c-decl.cc (start_decl): Handle -Wmissing-variable-declarations. 2023-07-31 Chung-Lin Tang * c-parser.cc (c_parser_oacc_host_data): Add checking requiring OpenACC host_data construct to have an use_device clause. 2023-06-29 Qing Zhao PR c/77650 * c-decl.cc (finish_struct): Issue warnings for new option. 2023-06-29 Qing Zhao * c-decl.cc (finish_struct): Set TYPE_INCLUDES_FLEXARRAY for struct/union type. 2023-06-29 Richard Biener PR c/110454 * c-typeck.cc (convert_argument): Sink formal_prec compute to where TYPE_PRECISION is valid to use. 2023-06-29 Eugene Rozenfeld * Make-lang.in: Pass correct stage cc1 when processing profile data collected while building target libraries 2023-06-16 David Malcolm PR c/107583 * c-parser.cc (c_parser_declspecs): Add hints to "unknown type name" error. 2023-06-12 Tobias Burnus * c-parser.cc (c_parser_omp_clause_map): Reword error message for clearness especially with 'omp target (enter/exit) data.' 2023-06-06 Kwok Cheung Yeung Tobias Burnus * c-parser.cc (c_parser_omp_clause_defaultmap, c_parser_omp_clause_map): Parse 'present'. (c_parser_omp_clause_to, c_parser_omp_clause_from): Remove. (c_parser_omp_clause_from_to): New; parse to/from clauses with optional present modifer. (c_parser_omp_all_clauses): Update call. (c_parser_omp_target_data, c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): Handle new map enum values for 'present' mapping. 2023-05-30 Tobias Burnus PR c/109999 * c-parser.cc (c_parser_oacc_all_clauses, c_parser_omp_all_clauses): Improve error wording. 2023-05-23 Martin Uecker PR c/109450 * c-decl.cc (add_decl_expr): New function. (grokdeclarator): Add decl expr for size expression in types pointed to by parameters declared as arrays. 2023-05-23 Martin Uecker PR c/70418 PR c/106465 PR c/107557 PR c/108423 * c-decl.cc (start_decl): Make sure size expression are evaluated only in correct context. (grokdeclarator): Size expression in fields may need a bind expression, make sure DECL_EXPR is always created. (grokfield, declspecs_add_type): Pass along size expressions. (finish_struct): Remove unneeded DECL_EXPR. (start_function): Evaluate size expressions for nested functions. * c-parser.cc (c_parser_struct_declarations, c_parser_struct_or_union_specifier): Pass along size expressions. (c_parser_declaration_or_fndef): Evaluate size expression. (c_parser_objc_at_property_declaration, c_parser_objc_class_instance_variables): Adapt. * c-tree.h (grokfield): Adapt declaration. 2023-05-19 Martin Uecker * c-decl.cc (set_type_context): Remove. (pop_scope, diagnose_mismatched_decls, pushdecl): Remove dead code. * c-typeck.cc (comptypes_internal): Remove dead code. (same_translation_unit_p): Remove. (tagged_types_tu_compatible_p): Some fixes. 2023-05-19 Joseph Myers * c-decl.cc (diagnose_mismatched_decls): Do not handle thread-local declarations as tentative definitions for C2x. (finish_decl): Do not allow thread-local definition with incomplete type for C2x. 2023-05-18 Bernhard Reutner-Fischer * c-convert.cc (c_convert): Ditto. * c-decl.cc (merge_decls): Ditto. * c-parser.cc (c_parser_omp_clause_reduction): Ditto. (c_parser_omp_declare_reduction): Ditto. * c-typeck.cc (build_component_ref): Ditto. (convert_argument): Ditto. (pointer_diff): Ditto. (build_unary_op): Ditto. (build_c_cast): Ditto. (build_modify_expr): Ditto. (store_init_value): Ditto. (constexpr_init_fits_real_type): Ditto. (check_constexpr_init): Ditto. (c_finish_return): Ditto. (handle_omp_array_sections_1): Ditto. (c_finish_omp_clauses): Ditto. * gimple-parser.cc (c_finish_gimple_return): Ditto. 2023-05-16 Joseph Myers * c-decl.cc (check_for_loop_decls): Use pedwarn_c11 for diagnostics. 2023-05-15 Joseph Myers * c-decl.cc (grokdeclarator): Ignore _Atomic on function return type for C2x. 2023-04-30 Andrew Pinski * c-typeck.cc (process_init_element): Print out array type for excessive elements. 2023-04-30 Andrew Pinski PR c/107926 * c-typeck.cc (process_init_element): Move the check for string cst until after the error message. 2023-04-28 Eugene Rozenfeld * Make-lang.in: Merge perf data collected when compiling cc1 and runtime libraries 2023-04-27 Jakub Jelinek PR c/109409 * c-parser.cc (c_parser_initializer): Move diagnostics about initialization of variable sized object with non-empty initializer after c_parser_expr_no_commas call and ret.set_error (); after it. 2023-04-27 Jakub Jelinek PR c/107682 PR c/109412 * c-typeck.cc (pop_init_level): If constructor_type is FUNCTION_TYPE, reject empty initializer as invalid. 2023-04-26 Richard Biener * gimple-parser.cc (c_parser_parse_gimple_body): Avoid last_stmt. 2023-04-25 Tobias Burnus * c-parser.cc (c_parser_omp_scan_loop_body): Handle zero exec statements before/after 'omp scan'. 2023-04-20 Jakub Jelinek PR c/107041 * c-decl.cc (diagnose_mismatched_decls): Avoid -Wenum-int-mismatch warning on acc_on_device declaration. 2023-03-28 David Malcolm PR c/107002 * c-typeck.cc (parser_build_binary_op): Update for new param of check_for_xor_used_as_pow. 2023-03-10 Jakub Jelinek PR c/108079 * c-decl.cc (pop_scope): Suppress OPT_Wunused_variable warning after diagnosing it. 2023-02-28 Jakub Jelinek PR sanitizer/108894 * c-decl.cc (strict_flex_array_level_of): Move to c-common.cc and rename to c_strict_flex_array_level_of. (is_flexible_array_member_p): Adjust caller. 2023-02-18 Martin Uecker PR c/108375 * c-decl.cc (decl_jump_unsafe): Use c_type_variably_modified_p. (diagnose_mismatched_decl): Dito. (warn_about_goto): Dito: (c_check_switch_jump_warnings): Dito. (finish_decl): Dito. (finish_struct): Dito. (grokdeclarator): Set C_TYPE_VARIABLY_MODIFIED. (finish_struct): Set C_TYPE_VARIABLY_MODIFIED. * c-objc-common.cc (c_var_mod_p): New function. (c_var_unspec_p): Remove. * c-objc-common.h: Set lang hook. * c-parser.cc (c_parser_declararion_or_fndef): Use c_type_variably_modified_p. (c_parser_typeof_specifier): Dito. (c_parser_has_attribute_expression): Dito. (c_parser_generic_selection): Dito. * c-tree.h: Define C_TYPE_VARIABLY_MODIFIED and define c_var_mode_p. * c-typeck.cc: Remove c_vla_mod_p and use C_TYPE_VARIABLY_MODIFIED. 2023-02-16 Patrick Palka * c-parser.h: Mechanically drop static from static inline functions via s/^static inline/inline/g. 2023-02-10 Joseph Myers * c-convert.cc (c_convert): Allow conversion of a null pointer constant to nullptr_t. * c-typeck.cc (null_pointer_constant_p): Remove static. (convert_for_assignment): Allow conversion of a null pointer constant to nullptr_t. (digest_init): Handle NULLPTR_TYPE among scalar conversions. * c-tree.h (null_pointer_constant_p): Declare. 2023-02-09 Tobias Burnus * c-parser.cc (c_parser_omp_allocate): Parse align clause and check for restrictions. 2023-02-08 Joseph Myers * c-typeck.cc (check_constexpr_init): Remove argument null_pointer_constant. Only check pointer initializers for being null. (digest_init): Update calls to check_constexpr_init. 2023-02-02 Joseph Myers * c-typeck.cc (build_binary_op): Allow comparisons between pointers and nullptr_t values that are not null pointer constants. 2023-02-02 Joseph Myers * c-typeck.cc: Include "realmpfr.h". (constexpr_init_fits_real_type): Do not allow signaling NaN conversions to different types with the same mode. Handle conversions from binary to decimal types. (check_constexpr_init): Do not disallow real initializers for complex types. Do not disallow binary initializers for decimal floating types. 2023-01-31 Marek Polacek PR c++/107593 PR c++/108597 * c-objc-common.cc (instantiation_dependent_expression_p): New. 2023-01-27 Joseph Myers * c-parser.cc (c_parser_declaration_or_fndef): Do not allow braces around auto initializer. 2023-01-16 Jakub Jelinek PR c++/105593 * c-parser.cc (c_parser_initializer): Check warning_enabled_at at the DECL_SOURCE_LOCATION (decl) for OPT_Winit_self instead of warn_init_self. 2023-01-14 Jakub Jelinek PR c++/108365 * c-typeck.cc (build_binary_op): Use may_shorten_divmod for integral division or modulo. 2023-01-13 Qing Zhao * c-decl.cc (strict_flex_array_level_of): ... here. 2023-01-11 Jakub Jelinek PR c/105972 * c-parser.cc (c_parser_declaration_or_fndef): Disable debug non-bind markers for K&R function parameter declarations of nested functions. 2023-01-09 Joseph Myers * c-decl.cc (build_compound_literal): Call record_inline_static. 2023-01-06 Joseph Myers * c-parser.cc (c_parser_postfix_expression): Handle integer generic arguments to functions passed to __builtin_tgmath as _Float32x if any argument has _FloatNx or _Complex _FloatNx type. Do not handle integer arguments to some narrowing functions as _Float64. 2022-12-19 Jakub Jelinek PR c/108043 * c-parser.cc (c_parser_postfix_expression_after_paren_type): Diagnose compound literals with function type. 2022-12-07 Joseph Myers * c-decl.cc (declspecs_add_type, declspecs_add_scspec): Check for auto, constexpr and a type used together. 2022-12-06 Qing Zhao * c-decl.cc (is_flexible_array_member_p): Call new function strict_flex_array_level_of. 2022-11-24 Florian Weimer PR c/107805 * c-decl.cc (declspecs_add_type): Propagate error_mark_bode from type to specs. 2022-11-17 Bernhard Reutner-Fischer * c-decl.cc (start_function): Set the result decl source location to the location of the typespec. 2022-11-17 David Malcolm PR analyzer/107711 * c-parser.cc (ana::c_translation_unit::consider_macro): Pass NULL to cpp_create_reader, rather than ident_hash, so that the new reader gets its own hash table. 2022-11-15 David Malcolm PR analyzer/106302 * c-parser.cc: Include "analyzer/analyzer-language.h" and "toplev.h". (class ana::c_translation_unit): New. (c_parser_translation_unit): Call ana::on_finish_translation_unit. 2022-11-12 Joseph Myers * c-decl.cc (start_underspecified_init) (finish_underspecified_init): Handle name == NULL_TREE for compound literals. (merge_decls): Merge C_DECL_DECLARED_CONSTEXPR. (shadow_tag_warned): Check for constexpr. (start_decl): Add parameter do_push. (build_compound_literal): Set C_DECL_DECLARED_CONSTEXPR. (grokdeclarator): Handle constexpr. (finish_struct): Set C_TYPE_FIELDS_NON_CONSTEXPR. (declspecs_add_scspec): Handle constexpr. * c-parser.cc (c_token_starts_compound_literal) (c_token_starts_declspecs, c_parser_declaration_or_fndef) (c_parser_declspecs, c_parser_gnu_attribute_any_word) (c_parser_compound_literal_scspecs) (c_parser_postfix_expression_after_paren_type): Handle constexpr. Update calls to start_init. (c_parser_declaration_or_fndef, c_parser_initializer) (c_parser_initval): Pass true for new argument of convert_lvalue_to_rvalue. Call convert_lvalue_to_rvalue for constexpr compound literals. (c_parser_static_assert_declaration_no_semi) (c_parser_enum_specifier, c_parser_struct_declaration) (c_parser_alignas_specifier, c_parser_initelt, c_parser_label): Call convert_lvalue_to_rvalue on expressions required to be integer constant expressions. (c_parser_omp_declare_reduction): Update call to start_init. * c-tree.h (C_TYPE_FIELDS_NON_CONSTEXPR) (C_DECL_DECLARED_CONSTEXPR): New macros. (struct c_declspecs): Add constexpr_p. (start_decl, convert_lvalue_to_rvalue, start_init): Update prototypes. * c-typeck.cc (require_constant_value, require_constant_elements): Change to bool. (require_constexpr_value, maybe_get_constexpr_init) (constexpr_init_fits_real_type, check_constexpr_init): New. (convert_lvalue_to_rvalue): Add new parameter for_init. Call maybe_get_constexpr_init. (store_init_value): Update call to digest_init. (digest_init): Add parameters int_const_expr, arith_const_expr and require_constexpr. Check constexpr initializers. (constructor_top_level): Remove. (struct initializer_stack): Remove top_level. Add require_constexpr_value. (start_init): Remove parameter top_level. Add parameters init_require_constant and init_require_constexpr. Save require_constexpr_value on stack. (pop_init_level): Use a null pointer constant for zero initializer of pointer initialized with {}. (output_init_element): Update call to digest_init. Avoid passing null pointer constants of pointer type through digest_init a second time when initializing a constexpr object. 2022-11-03 Joseph Myers * c-decl.cc (in_underspecified_init, start_underspecified_init) (finish_underspecified_init): New. (shadow_tag_warned, parser_xref_tag, start_struct, start_enum): Give errors inside initializers of underspecified declarations. (grokdeclarator): Handle (erroneous) case of C2X auto on a parameter. (declspecs_add_type): Handle c2x_auto_p case. (declspecs_add_scspec): Handle auto possibly setting c2x_auto_p in C2X mode. (finish_declspecs): Handle c2x_auto_p. * c-parser.cc (c_parser_declaration_or_fndef): Handle C2X auto. * c-tree.h (C_DECL_UNDERSPECIFIED): New macro. (struct c_declspecs): Add c2x_auto_p. (start_underspecified_init, finish_underspecified_init): New prototypes. * c-typeck.cc (build_external_ref): Give error for underspecified declaration referenced in its initializer. 2022-10-28 Joseph Myers * c-decl.cc (grokdeclarator): Pass arg_info->no_named_args_stdarg_p to build_function_type. (grokparms): Check arg_info->no_named_args_stdarg_p before converting () to (void). (build_arg_info): Initialize no_named_args_stdarg_p. (get_parm_info): Set no_named_args_stdarg_p. (start_function): Pass TYPE_NO_NAMED_ARGS_STDARG_P to build_function_type. (store_parm_decls): Count (...) functions as prototyped. * c-parser.cc (c_parser_direct_declarator): Allow '...' after open parenthesis to start parameter list. (c_parser_parms_list_declarator): Always allow '...' with no arguments, call pedwarn_c11 and set no_named_args_stdarg_p. * c-tree.h (struct c_arg_info): Add field no_named_args_stdarg_p. * c-typeck.cc (composite_type): Handle TYPE_NO_NAMED_ARGS_STDARG_P. (function_types_compatible_p): Compare TYPE_NO_NAMED_ARGS_STDARG_P. 2022-10-28 Jakub Jelinek * c-parser.cc (c_parser_omp_all_clauses): Allow optional comma before the first clause. (c_parser_omp_allocate, c_parser_omp_atomic, c_parser_omp_depobj, c_parser_omp_flush, c_parser_omp_scan_loop_body, c_parser_omp_ordered, c_finish_omp_declare_variant, c_parser_omp_declare_target, c_parser_omp_declare_reduction, c_parser_omp_requires, c_parser_omp_error, c_parser_omp_assumption_clauses): Likewise. 2022-10-28 Joseph Myers PR c/61469 * c-convert.cc (c_convert): Handle enums with underlying boolean type like bool. * c-decl.cc (shadow_tag_warned): Allow shadowing declarations for enums with enum type specifier, but give errors for storage class specifiers, qualifiers or alignment specifiers in non-definition declarations of such enums. (grokdeclarator): Give error for non-definition use of type specifier with an enum type specifier. (parser_xref_tag): Add argument has_enum_type_specifier. Pass it to lookup_tag and use it to set ENUM_FIXED_UNDERLYING_TYPE_P. (xref_tag): Update call to parser_xref_tag. (start_enum): Add argument fixed_underlying_type. Complete enum type with a fixed underlying type given in the definition. Give error for defining without a fixed underlying type in the definition if one was given in a prior declaration. Do not mark enums with fixed underlying type as packed for -fshort-enums. Store the enum type in the_enum. (finish_enum): Do not adjust types of values or check their range for an enum with a fixed underlying type. Set underlying type of enum and variants. (build_enumerator): Check enumeration constants for enum with fixed underlying type against that type and convert to that type. Increment in the underlying integer type, with handling for bool. (c_simulate_enum_decl): Update call to start_enum. (declspecs_add_type): Set specs->enum_type_specifier_ref_p. * c-objc-common.cc (c_get_alias_set): Use ENUM_UNDERLYING_TYPE rather than recomputing an underlying type based on size. * c-parser.cc (c_parser_declspecs) (c_parser_struct_or_union_specifier, c_parser_typeof_specifier): Set has_enum_type_specifier for type specifiers. (c_parser_enum_specifier): Handle enum type specifiers. (c_parser_struct_or_union_specifier): Update call to parser_xref_tag. (c_parser_omp_atomic): Check for boolean increment or decrement using C_BOOLEAN_TYPE_P. * c-tree.h (C_BOOLEAN_TYPE_P): New. (struct c_typespec): Add has_enum_type_specifier. (struct c_declspecs): Add enum_type_specifier_ref_p. (struct c_enum_contents): Add enum_type. (start_enum, parser_xref_tag): Update prototypes. * c-typeck.cc (composite_type): Allow for enumerated types compatible with bool. (common_type, comptypes_internal, perform_integral_promotions): Use ENUM_UNDERLYING_TYPE. (parser_build_binary_op, build_unary_op, convert_for_assignment) (c_finish_return, c_start_switch, build_binary_op): Check for boolean types using C_BOOLEAN_TYPE_P. 2022-10-24 Jakub Jelinek PR c++/107358 * c-typeck.cc (build_binary_op): Pass operands before excess precision promotions to scalar_to_vector call. 2022-10-24 Arsen Arsenović * c-decl.cc (finish_function): Ignore hosted when deciding whether to implicitly return zero, but check noreturn. * c-objc-common.cc (c_missing_noreturn_ok_p): Loosen the requirements to just MAIN_NAME_P when hosted, or `int main' otherwise. 2022-10-20 Richard Biener PR c/107305 PR c/107306 * gimple-parser.cc (c_parser_parse_gimple_body): Verify the parsed IL and zap the body on error. 2022-10-18 Joseph Myers PR c/107164 * c-decl.cc (shadow_tag_warned): If pedantic, diagnose "enum tag;" with previous declaration visible. 2022-10-18 Joseph Myers PR c/36113 * c-decl.cc (finish_enum): If any enumerators do not fit in int, convert all to the type of the enumeration. pedwarn if no integer type fits all enumerators and default to widest_integer_literal_type_node in that case. Otherwise pedwarn for type wider than intmax_t. (build_enumerator): pedwarn for enumerators outside the range of uintmax_t or intmax_t, and otherwise use pedwarn_c11 for enumerators outside the range of int. On overflow, attempt to find a wider type that can hold the value of the next enumerator. Do not convert value to type determined with c_common_type_for_size. 2022-10-14 Jakub Jelinek * c-typeck.cc (convert_arguments): Don't promote __bf16 to double. 2022-10-14 Joseph Myers * c-decl.cc (build_compound_literal): Add parameter scspecs. Handle storage class specifiers. * c-parser.cc (c_token_starts_compound_literal) (c_parser_compound_literal_scspecs): New. (c_parser_postfix_expression_after_paren_type): Add parameter scspecs. Call pedwarn_c11 for use of storage class specifiers. Update call to build_compound_literal. (c_parser_cast_expression, c_parser_sizeof_expression) (c_parser_alignof_expression): Handle storage class specifiers for compound literals. Update calls to c_parser_postfix_expression_after_paren_type. (c_parser_postfix_expression): Update syntax comment. * c-tree.h (build_compound_literal): Update prototype. * c-typeck.cc (c_mark_addressable): Diagnose taking address of register compound literal. 2022-10-07 Qing Zhao * c-decl.cc (flexible_array_member_type_p): New function. (one_element_array_type_p): Likewise. (zero_length_array_type_p): Likewise. (add_flexible_array_elts_to_size): Call new utility routine flexible_array_member_type_p. (is_flexible_array_member_p): New function. (finish_struct): Set the new DECL_NOT_FLEXARRAY flag. 2022-10-06 Joseph Myers * c-parser.cc (c_parse_init): Add D_EXT11 to mask if flag_no_asm and not C2x. (c_keyword_starts_typename, c_token_starts_declspecs) (c_parser_declspecs, c_parser_objc_selector): Handle RID_TYPEOF_UNQUAL. (c_parser_typeof_specifier): Handle RID_TYPEOF_UNQUAL. Distinguish typeof for C2x from __typeof__ for all standard versions and typeof before C2x. * c-typeck.cc (build_function_call_vec): Use unqualified version of non-void return type. (build_unary_op): Use unqualified type for increment and decrement. 2022-10-06 Jakub Jelinek * c-parser.cc (c_parser_omp_assumption_clauses): Emit IFN_ASSUME call for holds clause on assume construct. 2022-10-06 Jakub Jelinek PR c++/106654 * c-parser.cc (handle_assume_attribute): New function. (c_parser_declaration_or_fndef): Handle assume attribute. (c_parser_attribute_arguments): Add assume_attr argument, if true, parse first argument as conditional expression. (c_parser_gnu_attribute, c_parser_std_attribute): Adjust c_parser_attribute_arguments callers. (c_parser_statement_after_labels) : Handle assume attribute. 2022-10-04 Jakub Jelinek * c-lang.h (struct c_omp_declare_target_attr): New type. (current_omp_declare_target_attribute): Change type from int to vec *. * c-parser.cc (c_parser_translation_unit): Adjust for that change. If last pushed directive was begin declare target, use different wording and simplify format strings for easier translations. (c_parser_omp_clause_device_type): Uncomment check_no_duplicate_clause call. (c_parser_omp_declare_target): Adjust for the current_omp_declare_target_attribute type change, push { -1 }. Use error_at rather than warning_at for declare target with only device_type clauses. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Define. (c_parser_omp_begin): Add begin declare target support. (c_parser_omp_end): Adjust for the current_omp_declare_target_attribute type change, adjust diagnostics wording and simplify format strings for easier translations. * c-decl.cc (current_omp_declare_target_attribute): Change type from int to vec *. (c_decl_attributes): Adjust for the current_omp_declare_target_attribute type change. If device_type was present on begin declare target, add "omp declare target host" and/or "omp declare target nohost" attributes. 2022-09-29 Joseph Myers * c-decl.cc (handle_std_noreturn_attribute): New function. (std_attribute_table): Add _Noreturn and noreturn. 2022-09-27 Jakub Jelinek * c-lang.h (current_omp_begin_assumes): Declare. * c-parser.cc: Include bitmap.h. (c_parser_omp_end_declare_target): Rename to ... (c_parser_omp_end): ... this. Handle also end assumes. (c_parser_omp_begin, c_parser_omp_assumption_clauses, c_parser_omp_assumes, c_parser_omp_assume): New functions. (c_parser_translation_unit): Also diagnose #pragma omp begin assumes without corresponding #pragma omp end assumes. (c_parser_pragma): Use %s in may only be used at file scope diagnostics to decrease number of translatable messages. Handle PRAGMA_OMP_BEGIN and PRAGMA_OMP_ASSUMES. Handle PRAGMA_OMP_END rather than PRAGMA_OMP_END_DECLARE_TARGET and call c_parser_omp_end for it rather than c_parser_omp_end_declare_target. (c_parser_omp_construct): Handle PRAGMA_OMP_ASSUME. * c-decl.cc (current_omp_begin_assumes): Define. 2022-09-24 Jakub Jelinek PR c/106981 * c-typeck.cc (c_tree_equal): Only strip NON_LVALUE_EXPRs at the start. For CONSTANT_CLASS_P or CASE_CONVERT: return false if t1 and t2 have different types. 2022-09-22 David Malcolm PR c/106830 * c-parser.cc (c_parser_initelt): Initialize m_decimal. (c_parser_cast_expression): Likewise. (c_parser_alignof_expression): Likewise. (c_parser_postfix_expression_after_paren_type): Likewise. (c_parser_postfix_expression_after_primary): Likewise. (c_parser_expression): Likewise. (c_parser_omp_variable_list): Likewise. (c_parser_transaction_expression): Likewise. * c-tree.h (c_expr::set_error): Likewise. * c-typeck.cc (c_expr_sizeof_expr): Likewise. (parser_build_unary_op): Likewise. (parser_build_binary_op): Likewise. (digest_init): Likewise. (pop_init_level): Likewise. * gimple-parser.cc (c_parser_gimple_call_internal): Likewise. 2022-09-19 Marek Polacek PR c/106947 * c-typeck.cc (maybe_warn_for_null_address): Don't emit stray notes. 2022-09-15 Richard Biener * c-decl.cc (build_void_list_node): Remove. 2022-09-14 Julian Brown * c-typeck.cc (c_finish_omp_clauses): Remove whole mapping node group on error. 2022-09-07 Joseph Myers * c-parser.cc (c_parser_static_assert_declaration_no_semi) (c_parser_alignas_specifier, c_parser_alignof_expression): Allow for C2x spellings of keywords. (c_parser_postfix_expression): Handle RID_TRUE and RID_FALSE. 2022-09-06 Jakub Jelinek * c-parser.cc (c_parser_omp_clause_doacross_sink): Don't verify val in omp_cur_iteration - 1 has integer_type_node type. 2022-09-03 Jakub Jelinek * c-parser.cc (c_parser_omp_clause_name): Handle doacross. (c_parser_omp_clause_depend_sink): Renamed to ... (c_parser_omp_clause_doacross_sink): ... this. Add depend_p argument. Handle parsing of doacross(sink:omp_cur_iteration-1). Use OMP_CLAUSE_DOACROSS_SINK_NEGATIVE instead of OMP_CLAUSE_DEPEND_SINK_NEGATIVE, build OMP_CLAUSE_DOACROSS instead of OMP_CLAUSE_DEPEND and set OMP_CLAUSE_DOACROSS_DEPEND flag on it. (c_parser_omp_clause_depend): Use OMP_CLAUSE_DOACROSS_SINK and OMP_CLAUSE_DOACROSS_SOURCE instead of OMP_CLAUSE_DEPEND_SINK and OMP_CLAUSE_DEPEND_SOURCE, build OMP_CLAUSE_DOACROSS for depend(source) and set OMP_CLAUSE_DOACROSS_DEPEND on it. (c_parser_omp_clause_doacross): New function. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DOACROSS. (c_parser_omp_depobj): Use OMP_CLAUSE_DEPEND_INVALID instead of OMP_CLAUSE_DEPEND_SOURCE. (c_parser_omp_for_loop): Don't diagnose here linear clause together with ordered with argument. (c_parser_omp_simd): Don't diagnose ordered clause with argument on for simd. (OMP_ORDERED_DEPEND_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_DOACROSS. (c_parser_omp_ordered): Handle also doacross and adjust for it diagnostic wording. * c-typeck.cc (c_finish_omp_clauses): Handle OMP_CLAUSE_DOACROSS. Don't handle OMP_CLAUSE_DEPEND_SOURCE and OMP_CLAUSE_DEPEND_SINK. 2022-09-02 David Malcolm PR c/90885 * c-parser.cc (c_parser_string_literal): Clear ret.m_decimal. (c_parser_expr_no_commas): Likewise. (c_parser_conditional_expression): Likewise. (c_parser_binary_expression): Clear m_decimal when popping the stack. (c_parser_unary_expression): Clear ret.m_decimal. (c_parser_has_attribute_expression): Likewise for result. (c_parser_predefined_identifier): Likewise for expr. (c_parser_postfix_expression): Likewise for expr. Set expr.m_decimal when handling a CPP_NUMBER that was a decimal token. * c-tree.h (c_expr::m_decimal): New bitfield. * c-typeck.cc (parser_build_binary_op): Clear result.m_decimal. (parser_build_binary_op): Call check_for_xor_used_as_pow. 2022-09-01 Joseph Myers * c-decl.cc (grokparms): Handle () in a function declaration the same as (void) for C2X. 2022-08-31 Joseph Myers * c-parser.cc (c_parser_label): Pass attributes to do_case. * c-typeck.cc (do_case): Add argument ATTRS. Pass it to c_add_case_label. 2022-08-26 Jakub Jelinek * c-typeck.cc (convert_arguments): Handle BUILT_IN_ISSIGNALING. 2022-08-25 Marek Polacek * c-convert.cc (c_convert) : Handle NULLPTR_TYPE. Give a better diagnostic when converting to nullptr_t. * c-decl.cc (c_init_decl_processing): Perform C-specific nullptr initialization. * c-parser.cc (c_parse_init): Maybe OR D_C2X into mask. (c_parser_postfix_expression): Handle RID_NULLPTR. * c-typeck.cc (null_pointer_constant_p): Return true when expr is nullptr_node. (build_unary_op) : Handle NULLPTR_TYPE. (build_conditional_expr): Handle the case when the second/third operand is NULLPTR_TYPE and third/second operand is POINTER_TYPE. (convert_for_assignment): Handle converting an expression of type nullptr_t to pointer/bool. (build_binary_op) : Handle NULLPTR_TYPE. : Handle comparing operands of type nullptr_t. 2022-08-25 Joseph Myers * c-decl.cc (start_decl): Do not diagnose initialization of variable-sized objects here. * c-parser.cc (c_parser_braced_init): Add argument DECL. All callers changed. (c_parser_initializer): Diagnose initialization of variable-sized objects other than with braced initializer. (c_parser_braced_init): Use pedwarn_c11 for empty initializer braces and update diagnostic text. Diagnose initialization of variable-sized objects with nonempty braces. * c-typeck.cc (digest_init): Update diagnostic for initialization of variable-sized objects. (really_start_incremental_init, set_designator) (process_init_element): Update comments. (pop_init_level): Allow scalar empty initializers. 2022-08-17 Tobias Burnus Chung-Lin Tang PR c++/104493 * c-decl.cc (c_decl_attributes, finish_decl): Call omp_mappable_type instead of removed langhook. * c-typeck.cc (c_finish_omp_clauses): Likewise. 2022-08-11 Marek Polacek PR middle-end/102633 * c-parser.cc (c_parser_initializer): Add new tree parameter. Use it. Call suppress_warning. (c_parser_declaration_or_fndef): Pass d down to c_parser_initializer. (c_parser_omp_declare_reduction): Pass omp_priv down to c_parser_initializer. 2022-08-08 Tom Honermann * c-parser.cc (c_parser_string_literal): Use char8_t as the type of CPP_UTF8STRING when char8_t support is enabled. * c-typeck.cc (digest_init): Allow initialization of an array of character type by a string literal with type array of char8_t. 2022-08-01 David Malcolm * c-typeck.cc (build_c_cast): Quote names of address spaces in diagnostics. (convert_for_assignment): Add a note to address space mismatch diagnostics, specifying the expected and actual types. 2022-07-10 Lewis Hyatt PR preprocessor/97498 * c-parser.cc (c_parser_pragma): Set input_location to the location of the pragma, rather than the start of the line. 2022-07-04 Tobias Burnus Chung-Lin Tang Thomas Schwinge * c-parser.cc (c_parser_omp_target_data, c_parser_omp_target_update, c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): Set OMP_REQUIRES_TARGET_USED. (c_parser_omp_requires): Remove sorry. 2022-07-01 Tobias Burnus * c-parser.cc (c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): Accept tofrom map-type modifier but use 'to' / 'from' internally. 2022-06-16 David Malcolm * c-decl.cc (implicitly_declare): Add auto_diagnostic_group to group the warning with any note. (warn_about_goto): Likewise to group error or warning with note. Bail out if the warning wasn't emitted, to avoid emitting orphan notes. (lookup_label_for_goto): Add auto_diagnostic_group to group the error with the note. (check_earlier_gotos): Likewise. (c_check_switch_jump_warnings): Likewise for any error/warning. Conditionalize emission of the notes. (diagnose_uninitialized_cst_member): Likewise for warning, conditionalizing emission of the note. (grokdeclarator): Add auto_diagnostic_group to group the "array type has incomplete element type" error with any note. (parser_xref_tag): Add auto_diagnostic_group to group warnings with their notes. Conditionalize emission of notes. (start_struct): Add auto_diagnostic_group to group the "redefinition of" errors with any note. (start_enum): Likewise for "redeclaration of %" error. (check_for_loop_decls): Likewise for pre-C99 error. 2022-06-07 Jakub Jelinek * c-parser.cc (c_parser_omp_clause_linear): Parse OpenMP 5.2 style linear clause modifiers. Set OMP_CLAUSE_LINEAR_OLD_LINEAR_MODIFIER flag on the clauses when old style modifiers are used. * c-typeck.cc (c_finish_omp_clauses): Only reject linear clause with val modifier on simd or for if the old style modifiers are used. 2022-06-02 David Malcolm * c-lang.cc (LANG_HOOKS_GET_SARIF_SOURCE_LANGUAGE): Redefine. (c_get_sarif_source_language): New. * c-tree.h (c_get_sarif_source_language): New decl. 2022-05-31 Jason Merrill * Make-lang.in (c.tags): Look at *.cc. 2022-05-31 Jakub Jelinek * c-parser.cc (OMP_SCOPE_CLAUSE_MASK): Add firstprivate and allocate clauses. 2022-05-28 Jakub Jelinek * c-parser.cc (c_parser_omp_declare_target): If OMP_CLAUSE_LINK was seen first, use "%" or "%" depending on OMP_CLAUSE_ENTER_TO of the current clause, otherwise use "% or %" wording. 2022-05-27 Jakub Jelinek * c-parser.cc (c_parser_omp_clause_name): Parse enter clause. (c_parser_omp_all_clauses): For to clause on declare target, use OMP_CLAUSE_ENTER clause with OMP_CLAUSE_ENTER_TO instead of OMP_CLAUSE_TO_DECLARE clause. Handle PRAGMA_OMP_CLAUSE_ENTER. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add enter clause. (c_parser_omp_declare_target): Use OMP_CLAUSE_ENTER instead of OMP_CLAUSE_TO_DECLARE. * c-typeck.cc (c_finish_omp_clauses): Handle OMP_CLAUSE_ENTER instead of OMP_CLAUSE_TO_DECLARE, to OMP_CLAUSE_ENTER_TO use "to" as clause name in diagnostics instead of omp_clause_code_name[OMP_CLAUSE_CODE (c)]. 2022-05-25 Jakub Jelinek PR c/91134 * c-tree.h (build_component_ref): Add ARROW_LOC location_t argument. * c-typeck.cc (build_component_ref): Likewise. If DATUM is INDIRECT_REF and ARROW_LOC isn't UNKNOWN_LOCATION, print a different diagnostic and fixit hint if DATUM has pointer type. * c-parser.cc (c_parser_postfix_expression, c_parser_omp_variable_list): Adjust build_component_ref callers. * gimple-parser.cc (c_parser_gimple_postfix_expression_after_primary): Likewise. 2022-05-24 Jakub Jelinek PR c/105378 * c-parser.cc (OMP_TASKWAIT_CLAUSE_MASK): Add nowait clause. 2022-05-18 Marek Polacek PR c/105131 * c-decl.cc (diagnose_mismatched_decls): Warn about enum/integer type mismatches. * c-tree.h (comptypes_check_enum_int): Declare. * c-typeck.cc (comptypes): No longer static. 2022-05-17 Marek Polacek * c-decl.cc (finish_enum): Store the CONST_DECL into TREE_VALUE, not its value. 2022-05-17 Jakub Jelinek * c-parser.cc (c_parser_omp_clause_depend): Parse inoutset depend-kind. (c_parser_omp_depobj): Likewise. 2022-05-16 Martin Liska * c-decl.cc (match_builtin_function_types): Use ARRAY_SIZE. 2022-05-12 Jakub Jelinek * c-parser.cc (c_parse_init): Register omp_all_memory as keyword if flag_openmp. (c_parser_postfix_expression): Diagnose uses of omp_all_memory in postfix expressions. (c_parser_omp_variable_list): Handle omp_all_memory in depend clause. * c-typeck.cc (c_finish_omp_clauses): Handle omp_all_memory keyword in depend clause as null_pointer_node, diagnose invalid uses. 2022-05-09 Martin Liska * c-parser.cc (c_parser_conditional_expression): Use {,UN}LIKELY macros. (c_parser_binary_expression): Likewise. 2022-05-07 Marek Polacek PR c++/101833 PR c++/47634 * c-objc-common.cc (maybe_adjust_arg_pos_for_attribute): New. 2022-04-08 Jakub Jelinek PR c/105149 * c-typeck.cc (c_build_va_arg): Reject function types. 2022-03-22 Marek Polacek PR c/82283 PR c/84685 * c-typeck.cc (struct initializer_stack): Add 'designated' member. (start_init): Set it. (finish_init): Restore constructor_designated. (push_init_level): Set constructor_designated to the value of constructor_designated in the upper constructor_stack. 2022-03-12 Thomas Schwinge PR other/65095 * c-typeck.cc (handle_omp_array_sections_1) (c_oacc_check_attachments): Call 'user_omp_clause_code_name' instead of 'c_omp_map_clause_name'. 2022-03-09 Joseph Myers * c-typeck.cc (function_types_compatible_p): Do not handle C2X differently from earlier standards for unprototyped function type compatibility. 2022-03-09 Jakub Jelinek PR c/104711 * c-fold.cc (c_fully_fold_internal): Don't emit -Wshift-negative-value warning if TYPE_OVERFLOW_WRAPS. * c-typeck.cc (build_binary_op): Likewise. 2022-03-07 Jakub Jelinek * c-parser.cc (c_parser_omp_clause_map): Add missing space in string literal. 2022-02-23 Richard Biener * gimple-parser.cc (c_parser_parse_gimple_body): Diagnose SSA names without definition. (c_parser_gimple_declaration): Handle pointer typed SSA names. 2022-02-17 Jakub Jelinek PR c/104532 * c-parser.cc (c_parser_omp_variable_list): For CPP_DEREF, use convert_lvalue_to_rvalue and build_indirect_ref instead of build_simple_mem_ref. 2022-02-11 Richard Biener * gimple-parser.cc (c_parser_gimple_statement): Properly parse VEC_COND_EXPRs. 2022-02-10 Marcel Vollweiler * c-parser.cc (c_parser_omp_clause_name): Parse 'has_device_addr' clause. (c_parser_omp_variable_list): Handle array sections. (c_parser_omp_clause_has_device_addr): Added. (c_parser_omp_all_clauses): Added PRAGMA_OMP_CLAUSE_HAS_DEVICE_ADDR case. (c_parser_omp_target_exit_data): Added HAS_DEVICE_ADDR to OMP_CLAUSE_MASK. * c-typeck.cc (handle_omp_array_sections): Handle clause restrictions. (c_finish_omp_clauses): Handle array sections. 2022-02-09 Jakub Jelinek PR c/104427 * c-parser.cc (c_parser_postfix_expression) : Use parser_build_unary_op instead of build1_loc to build PAREN_EXPR. * c-typeck.cc (build_unary_op): Handle PAREN_EXPR. * c-fold.cc (c_fully_fold_internal): Likewise. 2022-01-17 Martin Liska * Make-lang.in: Rename .c names to .cc. * c-convert.cc: Likewise. * c-decl.cc (struct lang_identifier): Likewise. (pop_scope): Likewise. (finish_decl): Likewise. * c-objc-common.h (GCC_C_OBJC_COMMON): Likewise. * c-parser.cc (c_parser_skip_to_end_of_block_or_statement): Likewise. * c-parser.h (GCC_C_PARSER_H): Likewise. * c-tree.h (c_keyword_starts_typename): Likewise. (finish_declspecs): Likewise. (c_get_alias_set): Likewise. (enum c_oracle_request): Likewise. (tag_exists_p): Likewise. (set_c_expr_source_range): Likewise. * c-typeck.cc (c_common_type): Likewise. (c_finish_omp_clauses): Likewise. * config-lang.in: Likewise. 2022-01-17 Martin Liska * c-aux-info.c: Moved to... * c-aux-info.cc: ...here. * c-convert.c: Moved to... * c-convert.cc: ...here. * c-decl.c: Moved to... * c-decl.cc: ...here. * c-errors.c: Moved to... * c-errors.cc: ...here. * c-fold.c: Moved to... * c-fold.cc: ...here. * c-lang.c: Moved to... * c-lang.cc: ...here. * c-objc-common.c: Moved to... * c-objc-common.cc: ...here. * c-parser.c: Moved to... * c-parser.cc: ...here. * c-typeck.c: Moved to... * c-typeck.cc: ...here. * gccspec.c: Moved to... * gccspec.cc: ...here. * gimple-parser.c: Moved to... * gimple-parser.cc: ...here. 2022-01-17 Andrew Stubbs * c-parser.c (c_parser_omp_requires): Don't "sorry" dynamic_allocators. 2022-01-14 Chung-Lin Tang PR c++/103705 * c-typeck.c (c_finish_omp_clauses): Also continue peeling off of outer node for ARRAY_REFs. 2022-01-01 Jakub Jelinek PR objc/103639 * c-typeck.c (c_finish_bc_stmt): For break inside of switch inside of ObjC foreach, emit normal BREAK_STMT rather than goto to label. 2021-12-17 Marek Polacek PR c/103649 * c-decl.c (c_warn_unused_attributes): Don't warn for attribute_ignored_p. * c-parser.c (c_parser_std_attribute): Skip parsing of the attribute arguments when the attribute is ignored. 2021-12-14 Jakub Jelinek PR c/103587 * c-parser.c (c_parser_balanced_token_sequence): For CPP_PRAGMA, consume the pragma and silently skip to the pragma eol. 2021-12-12 Jonathan Wakely * c-decl.c: Define INCLUDE_MEMORY instead of INCLUDE_UNIQUE_PTR. * c-parser.c: Likewise. 2021-12-09 Jakub Jelinek PR pch/71934 * c-decl.c (resort_field_decl_cmp): Pass the same pointer twice to resort_data.new_value. 2021-12-08 Chung-Lin Tang * c-parser.c (struct omp_dim): New struct type for use inside c_parser_omp_variable_list. (c_parser_omp_variable_list): Allow multiple levels of array and component accesses in array section base-pointer expression. (c_parser_omp_clause_to): Set 'allow_deref' to true in call to c_parser_omp_var_list_parens. (c_parser_omp_clause_from): Likewise. * c-typeck.c (handle_omp_array_sections_1): Extend allowed range of base-pointer expressions involving INDIRECT/MEM/ARRAY_REF and POINTER_PLUS_EXPR. (c_finish_omp_clauses): Extend allowed ranged of expressions involving INDIRECT/MEM/ARRAY_REF and POINTER_PLUS_EXPR. 2021-12-08 Chung-Lin Tang PR middle-end/92120 * c-parser.c (c_parser_omp_clause_map): Set 'allow_deref' argument in call to c_parser_omp_variable_list to 'true'. * c-typeck.c (handle_omp_array_sections_1): Add strip of MEM_REF in array base handling. (c_finish_omp_clauses): Handle 'A->member' case in map clauses. 2021-11-30 Thomas Schwinge * c-typeck.c (c_finish_omp_clauses): Remove "gang reduction on an orphan loop" checking. 2021-11-30 Cesar Philippidis Thomas Schwinge * c-typeck.c (c_finish_omp_clauses): Emit an error on orphan OpenACC gang reductions. 2021-11-30 Richard Biener * gimple-parser.c (c_parser_gimple_postfix_expression): avoid unreachable code after break. 2021-11-29 Eric Gallager PR other/103021 * Make-lang.in: Use ETAGS variable in TAGS target. 2021-11-29 Richard Biener * c-typeck.c (c_tree_equal): Remove unreachable return. * c-parser.c (get_matching_symbol): Likewise. 2021-11-23 Jakub Jelinek * c-typeck.c (c_clone_omp_udr): Don't initialize id.transform_lang_insert_block. 2021-11-19 Martin Sebor PR c++/33925 PR c/102867 * c-typeck.c (maybe_warn_for_null_address): Suppress warnings for code resulting from macro expansion. 2021-11-19 Martin Liska Revert: 2021-11-19 Martin Liska * c-parser.c (add_debug_begin_stmt): Use option directly. 2021-11-18 Matthias Kretz * c-decl.c (names_builtin_p): Handle RID_BUILTIN_ASSOC_BARRIER. * c-parser.c (c_parser_postfix_expression): Likewise. 2021-11-18 Martin Liska * c-parser.c (add_debug_begin_stmt): Use option directly. 2021-11-17 Martin Sebor PR c/101702 * c-decl.c (get_parm_array_spec): Strip casts earlier and fold array bounds before deciding if they're constant. 2021-11-15 Jakub Jelinek * c-parser.c (OMP_TARGET_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_THREAD_LIMIT. 2021-11-11 Jakub Jelinek * c-parser.c (c_parser_omp_clause_num_teams): Parse optional lower-bound and store it into OMP_CLAUSE_NUM_TEAMS_LOWER_EXPR. Use OMP_CLAUSE_NUM_TEAMS_UPPER_EXPR instead of OMP_CLAUSE_NUM_TEAMS_EXPR. (c_parser_omp_target): For OMP_CLAUSE_NUM_TEAMS evaluate before combined target teams even lower-bound expression. 2021-11-11 Richard Biener * gimple-parser.c: Shuffle bitmap.h include. 2021-11-03 Joseph Myers PR c/103031 * c-convert.c (c_convert): New function, based on convert. (convert): Make into wrapper of c_convert. (convert_init): New function. * c-typeck.c (enum impl_conv): Add ic_init_const. (convert_for_assignment): Handle ic_init_const like ic_init. Add new argument to convert_and_check call. (digest_init): Pass ic_init_const to convert_for_assignment for initializers required to be constant. 2021-11-02 Richard Sandiford * c-tree.h (c_simulate_record_decl): Declare. * c-objc-common.h (LANG_HOOKS_SIMULATE_RECORD_DECL): Override. * c-decl.c (c_simulate_record_decl): New function. 2021-10-22 Eric Gallager PR other/102663 * Make-lang.in: Add dummy c.install-dvi target. 2021-10-15 Richard Biener PR c/102763 * gimple-parser.c (c_parser_gimple_postfix_expression_after_primary): Check for a pointer do be dereferenced by ->. 2021-10-14 Kwok Cheung Yeung * c-parser.c (c_finish_omp_declare_variant): Change call from c_omp_check_context_selector to omp_check_context_selector. Change call from c_omp_mark_declare_variant to omp_mark_declare_variant. 2021-10-09 Jakub Jelinek * c-parser.c (c_parser_omp_structured_block_sequence): New function. (c_parser_omp_scan_loop_body): Use it. (c_parser_omp_sections_scope): Likewise. 2021-10-07 Richard Biener * c-typeck.c (lvalue_p): Also allow MEM_REF and TARGET_MEM_REF. 2021-10-05 Richard Biener PR c/102605 * gimple-parser.c (c_parser_gimple_postfix_expression): Accept more address _Literals. 2021-10-04 Marek Polacek PR c++/97573 * c-typeck.c (parser_build_binary_op): Call do_warn_array_compare. 2021-10-01 Martin Sebor PR c/102103 * c-typeck.c (maybe_warn_for_null_address): New function. (build_binary_op): Call it. 2021-10-01 Jakub Jelinek Richard Biener PR sanitizer/102515 * c-typeck.c (build_binary_op): Call ubsan_instrument_division for division even for SANITIZE_SI_OVERFLOW. 2021-10-01 Jakub Jelinek * c-parser.c (c_parser_omp_clause_order): Set OMP_CLAUSE_ORDER_REPRODUCIBLE for explicit reproducible: modifier. 2021-09-28 Andrew Pinski PR c/32122 * c-parser.c (c_parser_statement_after_labels): Pass the c_expr instead of the tree to c_finish_goto_ptr. * c-typeck.c (c_finish_goto_ptr): Change the second argument type to c_expr. * c-tree.h (c_finish_goto_ptr): Likewise. Error out if the expression was not of a pointer type. 2021-09-22 Jakub Jelinek * c-parser.c (c_parser_omp_clause_allocate): Parse allocate clause modifiers. 2021-09-18 Jakub Jelinek * c-parser.c (c_parser_omp_clause_order): Parse unconstrained and reproducible modifiers. (OMP_DISTRIBUTE_CLAUSE_MASK): Add order clause. 2021-09-18 Jakub Jelinek * c-parser.c (c_parser_omp_clause_default): Handle private and firstprivate arguments, adjust diagnostics on unknown argument. 2021-09-17 Jakub Jelinek * c-parser.c (c_parser_omp_atomic): Reject atomic swap if capture is true. 2021-09-10 Jakub Jelinek * c-parser.c (c_parser_conditional_expression): If omp_atomic_lhs and cond.value is >, < or == with omp_atomic_lhs as one of the operands, don't call build_conditional_expr, instead build a COND_EXPR directly. (c_parser_binary_expression): Avoid calling parser_build_binary_op if omp_atomic_lhs even in more cases for >, < or ==. (c_parser_omp_atomic): Update function comment for OpenMP 5.1 atomics, parse OpenMP 5.1 atomics and fail, compare and weak clauses, allow acq_rel on atomic read/write and acq_rel/acquire clauses on update. * c-typeck.c (build_binary_op): For flag_openmp only handle MIN_EXPR/MAX_EXPR. 2021-09-07 Marcel Vollweiler * c-parser.c (c_parser_omp_flush): Parse 'seq_cst' clause on 'flush' directive. 2021-09-01 Iain Sandoe * c-decl.c (enum deprecated_states): Add unavailable state. (merge_decls): Copy unavailability. (quals_from_declspecs): Handle unavailable case. (start_decl): Amend the logic handling suppression of nested deprecation states to include unavailability. (smallest_type_quals_location): Amend comment. (grokdeclarator): Handle the unavailable deprecation state. (declspecs_add_type): Set TREE_UNAVAILABLE from the decl specs. * c-tree.h (struct c_declspecs): Add unavailable_p. * c-typeck.c (build_component_ref): Handle unavailability. (build_external_ref): Likewise. 2021-09-01 Roger Sayle Joseph Myers PR c/79412 * c-decl.c (duplicate_decls): On significant mismatches, mark the types of both (non-function) decls as error_mark_node, so that the middle-end can see the code is malformed. (free_attr_access_data): Don't process if the type has been set to error_mark_node. 2021-08-31 Marcel Vollweiler * c-parser.c (c_parser_omp_clause_device): Parse device-modifiers 'device_num' and 'ancestor' in 'target device' clauses. 2021-08-23 Jakub Jelinek * c-parser.c (c_parser_omp_clause_num_tasks, c_parser_omp_clause_grainsize): Parse the optional strict: modifier. 2021-08-22 Martin Uecker PR c/98397 * c-typeck.c (comp_target_types): Change pedwarn to pedwarn_c11 for pointers to arrays with qualifiers. (build_conditional_expr): For C23 don't lose qualifiers for pointers to arrays when the other pointer is a void pointer. Update warnings. (convert_for_assignment): Update warnings for C2X when converting from void* with qualifiers to a pointer to array with the same qualifiers. 2021-08-20 Jakub Jelinek * c-parser.c (c_parser_omp_error): New function. (c_parser_pragma): Handle PRAGMA_OMP_ERROR. 2021-08-20 Jakub Jelinek * c-parser.c (c_parser_omp_clause_depend_sink): Reject spurious comma at the end of list. (c_parser_omp_requires): Likewise. 2021-08-19 Jakub Jelinek * c-parser.c (c_parser_omp_requires): Don't call c_parser_peek_2nd_token and optionally consume token if current token is CPP_EOF, CPP_PRAGMA_EOL or CPP_CLOSE_PAREN. 2021-08-18 Jakub Jelinek * c-parser.c (c_parser_omp_nothing): New function. (c_parser_pragma): Handle PRAGMA_OMP_NOTHING. 2021-08-18 Jakub Jelinek * c-parser.c (c_parser_statement_after_labels): Add restart label near the start of the function. If c_parser_pragma returns false, goto restart. (c_parser_pragma): For PRAGMA_OMP_CANCELLATION_POINT return what c_parser_omp_cancellation_point returned. For PRAGMA_OMP_DECLARE return what c_parser_omp_declare returned. Return true instead of false after emitting errors that the directive is not allowed in pragma_stmt context. (c_parser_omp_ordered): Return true instead of false after emitting errors that the directive is not allowed in pragma_stmt context. (c_parser_omp_target_update): Likewise. (c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): Change return type from tree to bool, return false if the directive should be ignored in pragma_stmt contexts. (c_parser_omp_target): Adjust callers of c_parser_omp_target_*_data, return their result directly. (c_parser_omp_cancellation_point): Change return type from void to bool, return false if the directive should be ignored in pragma_stmt contexts. (c_parser_omp_declare): Likewise. 2021-08-17 Jakub Jelinek * c-parser.c (OMP_SCOPE_CLAUSE_MASK): Define. (c_parser_omp_scope): New function. (c_parser_omp_construct): Handle PRAGMA_OMP_SCOPE. 2021-08-12 Jakub Jelinek * c-parser.c (c_parser_omp_clause_name): Parse filter clause name. (c_parser_omp_clause_filter): New function. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_FILTER. (OMP_MASKED_CLAUSE_MASK): Define. (c_parser_omp_masked): New function. (c_parser_omp_parallel): Handle parallel masked. (c_parser_omp_construct): Handle PRAGMA_OMP_MASKED. * c-typeck.c (c_finish_omp_clauses): Handle OMP_CLAUSE_FILTER. 2021-08-12 Martin Uecker PR c/101838 PR c/29970 * c-typeck.c (c_expr_sizeof_type): Evaluate size expressions for structs of variable size. 2021-08-12 Tobias Burnus * c-parser.c (c_parser_omp_clause_proc_bind): Accept 'primary' as alias for 'master'. 2021-08-10 Martin Uecker PR c/29970 * c-typeck.c (c_expr_sizeof_expr): Evaluate size expressions for structs of variable size. 2021-08-06 Tamar Christina * c-decl.c (c_simulate_enum_decl): Pass vec<> by pointer. * c-tree.h (c_simulate_enum_decl): Likewise. 2021-08-06 Martin Sebor * c-parser.c (c_parser_declaration_or_fndef): Adjust by-value function vec arguments to by-reference. (c_finish_omp_declare_simd): Same. (c_parser_compound_statement_nostart): Same. (c_parser_for_statement): Same. (c_parser_objc_methodprotolist): Same. (c_parser_oacc_routine): Same. (c_parser_omp_for_loop): Same. (c_parser_omp_declare_simd): Same. 2021-07-21 Thomas Schwinge Joseph Myers Cesar Philippidis * c-parser.c (c_parser_omp_clause_name): Handle 'nohost'. (c_parser_oacc_all_clauses): Handle 'PRAGMA_OACC_CLAUSE_NOHOST'. (OACC_ROUTINE_CLAUSE_MASK): Add 'PRAGMA_OACC_CLAUSE_NOHOST'. * c-typeck.c (c_finish_omp_clauses): Handle 'OMP_CLAUSE_NOHOST'. 2021-07-20 Martin Sebor * c-tree.h (c_build_function_call_vec): Adjust by-value argument to by-const-reference. * c-typeck.c (c_build_function_call_vec): Same. 2021-07-15 Martin Sebor PR c/101289 PR c/97548 * c-decl.c (get_parm_array_spec): Strip nops. 2021-07-06 Martin Sebor * c-objc-common.c (c_tree_printer): Remove support for %G and %K. 2021-07-02 Jakub Jelinek PR c/101297 * c-parser.c (c_parser_omp_atomic): Consume comma only if it appears before a CPP_NAME. 2021-06-25 Martin Sebor * c-decl.c (pop_scope): Replace direct uses of TREE_NO_WARNING with warning_suppressed_p, suppress_warning, and copy_no_warning. (diagnose_mismatched_decls): Same. (duplicate_decls): Same. (grokdeclarator): Same. (finish_function): Same. (c_write_global_declarations_1): Same. * c-fold.c (c_fully_fold_internal): Same. * c-parser.c (c_parser_expr_no_commas): Same. (c_parser_postfix_expression): Same. * c-typeck.c (array_to_pointer_conversion): Same. (function_to_pointer_conversion): Same. (default_function_array_conversion): Same. (convert_lvalue_to_rvalue): Same. (default_conversion): Same. (build_indirect_ref): Same. (build_function_call_vec): Same. (build_atomic_assign): Same. (build_unary_op): Same. (c_finish_return): Same. (emit_side_effect_warnings): Same. (c_finish_stmt_expr): Same. (c_omp_clause_copy_ctor): Same. 2021-06-24 Jakub Jelinek PR c/101176 * c-parser.c (c_parser_has_attribute_expression): Set source range for the result. 2021-06-24 Jakub Jelinek PR c/101171 * c-typeck.c (build_c_cast): Don't call note_integer_operands on error_mark_node. 2021-06-24 Jakub Jelinek * c-parser.c (omp_split_clauses): Pass C_ORT_OMP_TARGET instead of C_ORT_OMP for clauses on target construct. (OMP_TARGET_CLAUSE_MASK): Add in_reduction clause. (c_parser_omp_target): For non-combined target add map (always, tofrom:) clauses for OMP_CLAUSE_IN_REDUCTION. Pass C_ORT_OMP_TARGET to c_finish_omp_clauses. * c-typeck.c (handle_omp_array_sections): Adjust ort handling for addition of C_ORT_OMP_TARGET and simplify, mapping clauses are never present on C_ORT_*DECLARE_SIMD. (c_finish_omp_clauses): Likewise. Handle OMP_CLAUSE_IN_REDUCTION on C_ORT_OMP_TARGET, set OMP_CLAUSE_MAP_IN_REDUCTION on corresponding map clauses. 2021-06-21 Jakub Jelinek PR inline-asm/100785 * c-typeck.c (c_mark_addressable): Diagnose trying to make bit-fields addressable. 2021-06-15 Robin Dapp * c-decl.c (merge_decls): Copy DECL_USER_ALIGN if DECL_ALIGN is similar. 2021-06-14 Tobias Burnus PR c/100913 * c-parser.c (c_parser_omp_clause_affinity): No need to set iterator var in the error case. 2021-06-07 Eric Botcazou PR c/100920 * c-typeck.c (convert_for_assignment): Test fndecl_built_in_p to spot built-in functions. 2021-06-06 Jakub Jelinek PR c/100902 * c-parser.c (c_parser_omp_target): Call c_omp_adjust_map_clauses even when target is combined with other constructs. 2021-06-06 Eric Botcazou PR c/100920 * c-decl.c (finish_struct): Fix thinko in previous change. * c-typeck.c (convert_for_assignment): Do not warn on pointer assignment and initialization for storage order purposes if the RHS is a call to a DECL_IS_MALLOC function. 2021-06-04 Martin Sebor PR c/100783 * c-objc-common.c (print_type): Handle erroneous types. 2021-06-03 Jakub Jelinek PR c++/100859 * c-typeck.c (c_finish_omp_clauses): Move OMP_CLAUSE_AFFINITY after depend only cases. 2021-05-31 Richard Biener PR c++/88601 * c-decl.c (names_builtin_p): Handle RID_BUILTIN_SHUFFLEVECTOR. * c-parser.c (c_parser_postfix_expression): Likewise. 2021-05-28 Richard Biener PR c/100803 * gimple-parser.c (c_parser_gimple_paren_condition): Diagnose invalid if conditions. 2021-05-28 Jakub Jelinek PR middle-end/99928 * c-typeck.c (handle_omp_array_sections): Copy OMP_CLAUSE_MAP_IMPLICIT. (c_finish_omp_clauses): Move not just OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT marked clauses last, but also OMP_CLAUSE_MAP_IMPLICIT. Add map_firstprivate_head bitmap, set it for GOMP_MAP_FIRSTPRIVATE_POINTER maps and silently remove OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT if it is present too. For OMP_CLAUSE_MAP_IMPLICIT silently remove the clause if present in map_head, map_field_head or map_firstprivate_head bitmaps. 2021-05-28 Tobias Burnus * c-parser.c (c_parser_omp_clause_affinity): New. (c_parser_omp_clause_name, c_parser_omp_variable_list, c_parser_omp_all_clauses, OMP_TASK_CLAUSE_MASK): Handle affinity clause. * c-typeck.c (handle_omp_array_sections_1, handle_omp_array_sections, c_finish_omp_clauses): Likewise. 2021-05-26 Eric Botcazou PR c/100653 * c-decl.c (finish_struct): Warn for a union containing an aggregate field with a differing scalar storage order. 2021-05-21 Jakub Jelinek PR middle-end/99928 * c-typeck.c (c_finish_omp_clauses): Move firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT to the end of the chain. Don't error if a decl is mentioned both in map clause and in such firstprivate clause unless OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET is also set. 2021-05-19 Jakub Jelinek PR middle-end/99928 * c-parser.c (c_parser_omp_master): Set OMP_MASTER_COMBINED on master when combined with taskloop. (c_parser_omp_parallel): Don't set OMP_PARALLEL_COMBINED on parallel master when not combined with taskloop. 2021-05-18 Richard Biener PR c/100522 * gimple-parser.c (c_parser_gimple_postfix_expression_after_primary): Diagnose calls to non-functions. (c_parser_gimple_statement): Diagnose unexpected assignment RHS. 2021-05-17 Richard Biener PR c/100625 * gimple-parser.c (c_parser_gimple_label): Avoid building a GIMPLE label with NULL label decl. 2021-05-13 Martin Sebor PR c/100550 * c-decl.c (get_parm_array_spec): Avoid erroneous VLA bounds. 2021-05-12 Marcel Vollweiler * c-parser.c (c_parser_omp_clause_map): Support map-type-modifier 'close'. 2021-05-10 Martin Liska * c-aux-info.c (affix_data_type): Use startswith function instead of strncmp. * c-typeck.c (build_function_call_vec): Likewise. * gimple-parser.c (c_parser_gimple_parse_bb_spec): Likewise. 2021-05-07 Eric Botcazou * c-typeck.c (build_unary_op) : Do not issue an error on the address of a pointer field in a record with reverse SSO. 2021-05-04 Tobias Burnus * c-typeck.c (c_finish_omp_clauses): Accept float + complex for || and && reductions. 2021-04-29 Joseph Myers * c-typeck.c (function_types_compatible_p): For C2X, treat unprototyped function as compatible with non-variadic prototyped function even if some argument types are changed by the default argument promotions. 2021-04-15 Martin Sebor PR c/99420 PR c/99972 * c-decl.c (pushdecl): Always propagate type attribute. 2021-04-15 Richard Sandiford PR c/98852 * c-typeck.c (c_common_type): Do not drop attributes that affect type identity. 2021-04-10 Jakub Jelinek PR c/99990 * c-decl.c (finish_decl): Don't overwrite TREE_TYPE of error_mark_node. 2021-03-25 Jakub Jelinek PR c++/99565 * c-typeck.c (build_conditional_expr): Pass OEP_ADDRESS_OF_SAME_FIELD to operand_equal_p. 2021-03-19 Jakub Jelinek PR c/99588 * c-typeck.c (mark_exp_read): Recognize what build_atomic_assign with modifycode NOP_EXPR produces and mark the _Atomic var as read if found. (build_atomic_assign): For modifycode of NOP_EXPR, use COMPOUND_EXPRs rather than STATEMENT_LIST. Otherwise call mark_exp_read on lhs. Set TREE_SIDE_EFFECTS on the TARGET_EXPR. 2021-03-15 Tobias Burnus PR c++/99509 * c-decl.c (finish_decl): For 'omp declare target implicit' vars, ensure that the varpool node is marked as offloadable. 2021-03-05 Tobias Burnus PR c/99137 * c-parser.c (c_parser_oacc_clause_async): Reject comma expressions. 2021-02-24 Martin Sebor PR middle-end/97172 * c-decl.c (free_attr_access_data): Clear attribute arg spec. 2021-02-18 Jakub Jelinek PR c/99136 * c-typeck.c (c_finish_return): Don't wrap retval into EXCESS_PRECISION_EXPR in functions that return void. 2021-02-11 Marek Polacek * c-parser.c (c_parser_if_statement): Use vec_free. 2021-02-04 Martin Sebor PR c/97882 * c-decl.c (locate_old_decl): Add type to diagnostic output. (diagnose_mismatched_decls): Same. (start_function): Introduce temporaries for better readability. * c-typeck.c (comptypes_internal): Only consider complete enum types in comparisons with integers. 2021-02-01 Martin Sebor PR middle-end/97172 * c-decl.c (free_attr_access_data): New function. (c_parse_final_cleanups): Call free_attr_access_data. 2021-01-16 Kwok Cheung Yeung * c-parser.c (c_parser_omp_clause_detach): New. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DETACH clause. (OMP_TASK_CLAUSE_MASK): Add mask for PRAGMA_OMP_CLAUSE_DETACH. * c-typeck.c (c_finish_omp_clauses): Handle PRAGMA_OMP_CLAUSE_DETACH clause. Prevent use of detach with mergeable and overriding the data sharing mode of the event handle. 2021-01-15 Jakub Jelinek * c-typeck.c (c_finish_omp_clauses): For reduction build array with unqualified element type and then call c_build_qualified_type on the ARRAY_TYPE. 2021-01-07 Richard Biener * gimple-parser.c (c_parser_gimple_compound_statement): Only reallocate loop array if it is too small. 2020-12-16 Martin Uecker PR c/98047 * c-typeck.c (build_modify_expr): Drop qualifiers. 2020-12-16 Martin Uecker PR c/98260 * c-parser.c (c_parser_expression): Look into nop expression when marking expressions as read. 2020-12-14 Martin Liska PR sanitizer/98204 * c-typeck.c (pointer_diff): Do not emit a top-level sanitization. (build_binary_op): Likewise. 2020-12-09 Tobias Burnus * c-parser.c (c_parser_omp_allocate): New. (c_parser_omp_construct): Call it. 2020-12-09 Richard Biener PR c/98200 * gimple-parser.c (c_parser_gimple_postfix_expression): Return early on error. 2020-12-07 Martin Uecker PR c/97981 * c-typeck.c (convert_lvalue_to_rvalue): Move the code that drops qualifiers to the end of the function. 2020-11-26 Martin Uecker PR c/65455 PR c/92935 * c-parser.c (c_parser_declaration_or_fndef): Remove redundant code to drop qualifiers of _Atomic types for __auto_type. (c_parser_typeof_specifier): Do not drop qualifiers of _Atomic types for __typeof__. 2020-11-24 Jakub Jelinek PR c/97958 * c-parser.c (c_parser_binary_expression): For omp atomic binary expressions, use make_node instead of build2 to avoid checking build2 performs. 2020-11-23 Joseph Myers PR c/95630 * c-typeck.c (build_binary_op): Use pedwarn_c99 with OPT_Wpedantic for comparisons of complete and incomplete pointers. 2020-11-21 Aaron Sawdey * c-aux-info.c (gen_type): Support opaque types. 2020-11-20 Martin Sebor PR middle-end/97879 * c-decl.c (start_function): Set ATTR_FLAG_INTERNAL in flags. 2020-11-20 Jakub Jelinek PR other/97911 * Make-lang.in (c.serial): Change from goal to a variable. (.PHONY): Drop c.serial. 2020-11-20 Martin Uecker * c-typeck.c (convert_lvalue_to_rvalue): Drop qualifiers. 2020-11-19 Jakub Jelinek PR c/97860 * c-decl.c (get_parm_array_spec): Bail out of nelts is error_operand_p. 2020-11-18 Jakub Jelinek * Make-lang.in (c.serial): New goal. (.PHONY): Add c.serial c.prev. (cc1$(exeext)): Call LINK_PROGRESS. 2020-11-13 Vladimir N. Makarov * c-parser.c (c_parser_asm_statement): Parse outputs for asm goto too. * c-typeck.c (build_asm_expr): Remove an assert checking output absence for asm goto. 2020-11-13 Jakub Jelinek * c-typeck.c (c_finish_omp_clauses): Don't clear OMP_CLAUSE_REDUCTION_INSCAN unless reduction_seen == -2. 2020-11-13 Iain Sandoe PR objc/77404 * c-parser.c (c_parser_objc_class_definition): Pass the location of the class name to the interface declaration. 2020-11-10 Strager Neds * c-decl.c (merge_decls): Use new overload of set_decl_section_name. 2020-11-10 Chung-Lin Tang * c-parser.c (c_parser_omp_target_data): Add use of new c_omp_adjust_map_clauses function. Add GOMP_MAP_ATTACH_DETACH as handled map clause kind. (c_parser_omp_target_enter_data): Likewise. (c_parser_omp_target_exit_data): Likewise. (c_parser_omp_target): Likewise. * c-typeck.c (handle_omp_array_sections): Adjust COMPONENT_REF case to use GOMP_MAP_ATTACH_DETACH map kind for C_ORT_OMP region type. (c_finish_omp_clauses): Adjust bitmap checks to allow struct decl and same struct field access to co-exist on OpenMP construct. 2020-11-07 Martin Uecker * c-parser.c (c_parser_label): Implement mixing of labels and code. (c_parser_all_labels): Likewise. 2020-11-06 Iain Sandoe * c-parser.c (c_parser_objc_at_property_declaration): Improve parsing fidelity. Associate better location info with @property attributes. Clean up the interface to objc_add_property_declaration (). 2020-11-06 Nathan Sidwell * c-decl.c (diagnose_mismatched_decls): Rename DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN. (warn_if_shadowing, implicitly_declare, names_builtin_p) (collect_source_refs): Likewise. * c-typeck.c (inform_declaration, inform_for_arg) (convert_for_assignment): Likewise. 2020-11-06 Tobias Burnus * c-parser.c (c_parser_omp_atomic): Add openacc parameter and update OpenACC matching. (c_parser_omp_construct): Update call. 2020-11-04 Jakub Jelinek PR c++/97670 * c-typeck.c (c_finish_omp_clauses): Look through array reductions to find underlying decl to clear in the aligned_head bitmap. 2020-11-04 Joseph Myers * c-decl.c (handle_nodiscard_attribute): New. (std_attribute_table): Add nodiscard. * c-parser.c (c_parser_std_attribute): Expect argument to nodiscard attribute to be a string. Do not special-case ignoring nodiscard. * c-typeck.c (maybe_warn_nodiscard): New. (build_compound_expr, emit_side_effect_warnings): Call maybe_warn_nodiscard. (c_process_expr_stmt, c_finish_stmt_expr): Also call emit_side_effect_warnings if warn_unused_result. 2020-10-29 Asher Gordon * c-typeck.c (free_all_tagged_tu_seen_up_to): Replace free with XDELETE. (finish_init): Likewise. (pop_init_level): Likewise. 2020-10-28 Joseph Myers * c-decl.c (store_parm_decls_newstyle): Use pedwarn_c11 not error_at for omitted parameter name. 2020-10-28 Jakub Jelinek * c-parser.c (c_parser_omp_clause_name): Handle allocate. (c_parser_omp_clause_allocate): New function. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_ALLOCATE. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK, OMP_TASK_CLAUSE_MASK, OMP_TASKGROUP_CLAUSE_MASK, OMP_DISTRIBUTE_CLAUSE_MASK, OMP_TEAMS_CLAUSE_MASK, OMP_TARGET_CLAUSE_MASK, OMP_TASKLOOP_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_ALLOCATE. * c-typeck.c (c_finish_omp_clauses): Handle OMP_CLAUSE_ALLOCATE. 2020-10-27 Joseph Myers * c-parser.c (c_parser_std_attribute_specifier): Allow duplicate standard attributes. 2020-10-23 Marek Polacek PR c++/91741 * c-parser.c (c_parser_binary_expression): Implement -Wsizeof-array-div. (c_parser_postfix_expression): Set PAREN_SIZEOF_EXPR. (c_parser_expr_list): Handle PAREN_SIZEOF_EXPR like SIZEOF_EXPR. * c-tree.h (char_type_p): Declare. * c-typeck.c (char_type_p): No longer static. 2020-10-23 Martin Sebor PR middle-end/97552 * c-decl.c (get_parm_array_spec): Handle static VLA parameters. 2020-09-19 Martin Sebor PR c/50584 * c-decl.c (lookup_last_decl): Define new function. (c_decl_attributes): Call it. (start_decl): Add argument and use it. (finish_decl): Call build_attr_access_from_parms and decl_attributes. (get_parm_array_spec): Define new function. (push_parm_decl): Call get_parm_array_spec. (start_function): Call warn_parm_array_mismatch. Build attribute access and add it to current function. * c-parser.c (c_parser_declaration_or_fndef): Diagnose mismatches in forms of array parameters. * c-tree.h (start_decl): Add argument. 2020-09-19 Sandra Loosemore * c-decl.c (c_break_label, c_cont_label): Delete, and replace with... (in_statement): New. (start_function): Adjust for above change. (c_push_function_context, c_pop_function_context): Likewise. * c-lang.h (struct language_function): Likewise. * c-objc-common.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Define. * c-parser.c (objc_foreach_break_label, objc_foreach_continue_label): New. (c_parser_statement_after_labels): Adjust calls to c_finish_bc_stmt. (c_parser_switch_statement): Adjust break/switch context handling and calls to renamed functions. (c_parser_while_statement): Adjust break/switch context handling and build a WHILE_STMT. (c_parser_do_statement): Ditto, with DO_STMT respectively. (c_parser_for_statement): Ditto, with FOR_STMT respectively. (c_parser_omp_for_loop): Adjust break/switch context handling. * c-tree.h (c_break_label, c_cont_label): Delete. (IN_SWITCH_STMT, IN_ITERATION_STMT): Define. (IN_OMP_BLOCK, IN_OMP_FOR, IN_OBJC_FOREACH): Define. (in_statement, switch_statement_break_seen_p): Declare. (c_start_case, c_finish_case): Renamed to... (c_start_switch, c_finish_switch). (c_finish_bc_stmt): Adjust arguments. * c-typeck.c (build_function_call_vec): Don't try to print statements with %qE format. (struct c_switch): Rename switch_expr field to switch_stmt. Add break_stmt_seen_p field. (c_start_case): Rename to c_start_switch. Build a SWITCH_STMT instead of a SWITCH_EXPR. Update for changes to struct c_switch. (do_case): Update for changes to struct c_switch. (c_finish_case): Rename to c_finish_switch. Update for changes to struct c_switch and change of representation from SWITCH_EXPR to SWITCH_STMT. (c_finish_loop): Delete. (c_finish_bc_stmt): Update to reflect changes to break/continue state representation. Build a BREAK_STMT or CONTINUE_STMT instead of a GOTO_EXPR except for objc foreach loops. 2020-09-01 Jakub Jelinek PR c++/96867 * c-typeck.c (handle_omp_array_sections_1): Test C_ARRAY_PARAMETER only on PARM_DECLs. 2020-08-28 Martin Sebor PR c/96596 * c-decl.c (match_builtin_function_types): Avoid dealing with erroneous argument type. 2020-08-27 Martin Liska * gimple-parser.c (c_parser_gimple_compound_statement): Set exact argument of a vector growth function to true. 2020-08-25 Tobias Burnus PR c/96678 * c-typeck.c (handle_omp_array_sections_1): Talk about array function parameter in the error message. 2020-08-18 Jakub Jelinek PR c/96571 * c-parser.c (c_parser_generic_selection): Change match_found from bool to int, holding index of the match. Call mark_exp_read on the selector expression and on expressions other than the selected one. 2020-08-01 Richard Sandiford PR c/96377 * c-typeck.c (process_init_element): Split test for whether to recurse into a record, union or array into... (initialize_elementwise_p): ...this new function. Don't recurse into a vector type if the initialization value is also a vector. 2020-07-31 Richard Biener PR debug/96383 * c-objc-common.h (LANG_HOOKS_FINALIZE_EARLY_DEBUG): Define to c_common_finalize_early_debug. 2020-07-22 Tobias Burnus * c-parser.c (c_parser_omp_clause_hint): Require nonnegative hint clause. (c_parser_omp_critical): Permit hint(0) clause without named critical. (c_parser_omp_construct): Don't assert if error_mark_node is returned. 2020-07-21 Sunil K Pandey PR target/95237 * c-decl.c (finish_decl): Call target hook lower_local_decl_alignment to lower local decl alignment. 2020-07-09 Julian Brown Thomas Schwinge PR middle-end/95270 * c-typeck.c (c_finish_omp_clauses): Set OMP_CLAUSE_SIZE (bias) to zero for standalone attach/detach clauses. 2020-07-08 Eric Botcazou * c-typeck.c (convert_for_assignment): If -Wscalar-storage-order is set, warn for conversion between pointers that point to incompatible scalar storage orders. 2020-07-07 Kaipeng Zhou * c-parser.c (c_parser_statement_after_labels): Pass correct parameters to c_parser_do_statement. 2020-06-16 Jakub Jelinek * c-parser.c (c_parser_expr_no_commas): Save, clear and restore c_in_omp_for. (c_parser_omp_for_loop): Set c_in_omp_for around some calls to avoid premature c_fully_fold. Defer explicit c_fully_fold calls to after c_finish_omp_for. * c-tree.h (c_in_omp_for): Declare. * c-typeck.c (c_in_omp_for): Define. (build_modify_expr): Avoid c_fully_fold if c_in_omp_for. (digest_init): Likewise. (build_binary_op): Likewise. 2020-06-16 Jakub Jelinek * c-parser.c (c_parser_omp_clause_schedule): Reject modifier separated from kind by comma rather than colon. 2020-06-05 Mark Wielaard * c-decl.c (implicit_decl_warning): When warned and olddecl is an undeclared builtin, then add a fixit header hint, if found. (implicitly_declare): Add OPT_Wbuiltin_declaration_mismatch to warning_at about implicit builtin declaration type mismatch. 2020-06-03 Mark Wielaard * c-parser.c (struct c_parser): Add seen_string_literal bitfield. (c_parser_consume_token): Reset seen_string_literal. (c_parser_error_richloc): Add name_hint if seen_string_literal and next token is a CPP_NAME and we have a missing header suggestion for the name. (c_parser_string_literal): Set seen_string_literal. 2020-06-03 Mark Wielaard * c-parser.c (c_parser_postfix_expression_after_primary): Add scope with matching_parens after CPP_OPEN_PAREN. 2020-06-03 Tobias Burnus * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_MAPPING): Redefine. 2020-05-28 Nicolas Bértolo * Make-lang.in: Remove extra slash. 2020-05-19 Martin Liska * c-parser.c: Fix typo. 2020-05-14 Jakub Jelinek * c-parser.c (c_parser_omp_target): Set cfun->has_omp_target. 2020-05-07 Richard Biener PR middle-end/94703 * gimple-parser.c (c_parser_parse_ssa_name): Do not set DECL_GIMPLE_REG_P. 2020-04-30 Jakub Jelinek PR c/94842 * c-decl.c (set_labels_context_r): In addition to context-less LABEL_DECLs adjust also LABEL_DECLs with context equal to parent function if any. (store_parm_decls): Adjust comment. 2020-04-19 Jakub Jelinek PR objc/94637 * c-parser.c (c_parser_objc_selector_arg): Handle CPP_SCOPE like two CPP_COLON tokens. 2020-04-17 Jakub Jelinek PR other/94629 * c-parser.c (c_parser_oacc_routine): Remove redundant assignment to data.clauses. 2020-04-15 Jakub Jelinek PR c/94593 * c-parser.c (c_parser_pragma) : Reject requires directive when not at file scope. 2020-04-08 Tobias Burnus PR middle-end/94120 * c-decl.c (c_check_in_current_scope): New function. * c-tree.h (c_check_in_current_scope): Declare it. * c-parser.c (c_parser_oacc_declare): Add check that variables are declared in the same scope as the directive. Fix handling of namespace vars. 2020-04-07 Jakub Jelinek PR c++/94512 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED if c_parser_omp_master succeeded. 2020-03-23 Jakub Jelinek PR gcov-profile/94029 PR c/94239 * c-parser.c (c_parser_declaration_or_fndef): Initialize endloc to the function_start_locus location. Don't do that afterwards for the __GIMPLE body parsing. 2020-03-19 Jakub Jelinek PR gcov-profile/94029 * c-tree.h (finish_function): Add location_t argument defaulted to input_location. * c-parser.c (c_parser_compound_statement): Add endlocp argument and set it to the locus of closing } if non-NULL. (c_parser_compound_statement_nostart): Return locus of closing }. (c_parser_parse_rtl_body): Likewise. (c_parser_declaration_or_fndef): Propagate locus of closing } to finish_function. * c-decl.c (finish_function): Add end_loc argument, use it instead of input_location to set function_end_locus. 2020-03-17 Jakub Jelinek PR c/94172 * c-tree.h (C_TYPE_INCOMPLETE_VARS): Define to TYPE_LANG_SLOT_1 instead of TYPE_VFIELD, and support it on {RECORD,UNION,ENUMERAL}_TYPE. (TYPE_ACTUAL_ARG_TYPES): Check that it is only used on FUNCTION_TYPEs. * c-decl.c (pushdecl): Push C_TYPE_INCOMPLETE_VARS also to ENUMERAL_TYPEs. (finish_incomplete_vars): New function, moved from finish_struct. Use relayout_decl instead of layout_decl. (finish_struct): Remove obsolete comment about C_TYPE_INCOMPLETE_VARS being TYPE_VFIELD. Use finish_incomplete_vars. (finish_enum): Clear C_TYPE_INCOMPLETE_VARS. Call finish_incomplete_vars. * c-typeck.c (c_build_qualified_type): Clear C_TYPE_INCOMPLETE_VARS also on ENUMERAL_TYPEs. 2020-03-16 Jakub Jelinek PR c/94179 * c-fold.c (c_fully_fold_internal): Handle MEM_REF. 2020-03-13 Martin Sebor PR c/94040 * c-decl.c (builtin_structptr_type_count): New constant. (match_builtin_function_types): Reject decls that are incompatible in types pointed to by pointers. (diagnose_mismatched_decls): Adjust comments. 2020-03-05 Joseph Myers PR c/93577 * c-typeck.c (pop_init_level): Do not diagnose initializers as empty when initialized type is error_mark_node. (set_designator, process_init_element): Ignore initializers for elements of a variable-size type or of error_mark_node. 2020-03-01 Martin Sebor PR middle-end/93926 * c-decl.c (types_close_enough_to_match): New function. (match_builtin_function_types): (diagnose_mismatched_decls): Add missing inform call to a warning. 2020-03-01 Martin Sebor PR c/93812 * c-typeck.c (build_functype_attribute_variant): New function. (composite_type): Call it. 2020-02-25 Jakub Jelinek PR other/93912 * gimple-parser.c (c_parser_gimple_parse_bb_spec_edge_probability): Rename last argument from probablity to probability. 2020-02-13 Jakub Jelinek PR c/93576 * c-decl.c (grokdeclarator): If this_size_varies, only push size into *expr if it has side effects. 2020-01-30 Jeff Law PR c/88660 * c-parser.c (c_parser_switch_statement): Make sure to request marking the switch expr as used. 2020-01-22 Joseph Myers PR c/93348 * c-typeck.c (build_c_cast): Call remove_c_maybe_const_expr on argument with integer operands. 2020-01-16 Kerem Kat PR c/92833 * c-parser.c (c_parser_consume_token): Fix peeked token stack pop to support 4 available tokens. 2020-01-15 Joseph Myers PR c/93072 * c-decl.c (pushdecl): Use TREE_PUBLIC, not DECL_EXTERNAL, to determine whether to set DECL_CONTEXT. 2020-01-13 Joseph Myers PR c/93241 * c-typeck.c (build_c_cast): Check for expressions with integer operands that can occur in an unevaluated part of an integer constant expression and call note_integer_operands as needed. 2019-01-08 Richard Biener PR middle-end/93199 * gimple-parser.c (c_parser_parse_gimple_body): Remove __PHI IFN permanently. 2020-01-01 Jakub Jelinek Update copyright years. 2019-12-20 Eric Botcazou * c-decl.c (collect_source_ref_cb): Delete. (for_each_global_decl): Rename into... (collect_source_refs): ...this. Call collect_source_ref directly. (c_parse_final_cleanups): Always call collect_source_ref on the main input filename. 2019-12-19 Julian Brown Cesar Philippidis * c-parser.c (c_parser_omp_clause_name): Add parsing of attach and detach clauses. (c_parser_omp_variable_list): Add ALLOW_DEREF optional parameter. Allow deref (->) in variable lists if true. (c_parser_omp_var_list_parens): Add ALLOW_DEREF optional parameter. Pass to c_parser_omp_variable_list. (c_parser_oacc_data_clause): Support attach and detach clauses. Update call to c_parser_omp_variable_list. (c_parser_oacc_all_clauses): Support attach and detach clauses. (OACC_DATA_CLAUSE_MASK, OACC_ENTER_DATA_CLAUSE_MASK, OACC_KERNELS_CLAUSE_MASK, OACC_PARALLEL_CLAUSE_MASK, OACC_SERIAL_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_ATTACH. (OACC_EXIT_DATA_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_DETACH. * c-typeck.c (handle_omp_array_sections_1): Reject subarrays for attach and detach. Support deref. (handle_omp_array_sections): Use GOMP_MAP_ATTACH_DETACH instead of GOMP_MAP_ALWAYS_POINTER for OpenACC. (c_oacc_check_attachments): New function. (c_finish_omp_clauses): Check attach/detach arguments for being pointers using above. Support deref. 2019-12-19 Julian Brown Maciej W. Rozycki Tobias Burnus Thomas Schwinge * c-parser.c (c_parser_omp_clause_name): Support no_create. (c_parser_oacc_data_clause): Likewise. (c_parser_oacc_all_clauses): Likewise. (OACC_DATA_CLAUSE_MASK, OACC_KERNELS_CLAUSE_MASK) (OACC_PARALLEL_CLAUSE_MASK, OACC_SERIAL_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_NO_CREATE. * c-typeck.c (handle_omp_array_sections): Support GOMP_MAP_NO_ALLOC. 2019-12-09 David Malcolm * c-objc-common.c (range_label_for_type_mismatch::get_text): Replace label_text ctor calls. 2019-12-04 Joseph Myers PR c/36941 PR c/88827 * c-typeck.c (convert_lvalue_to_rvalue): Call require_complete_type for arguments not of void types. (build_indirect_ref): Do not diagnose dereferencing pointers to incomplete types. * c-tree.h (C_TYPE_ERROR_REPORTED): Remove. 2019-12-03 Joseph Myers PR c/88704 * c-decl.c (store_parm_decls_oldstyle): Diagnose use of [*] in old-style parameter definitions. 2019-12-01 Sandra Loosemore PR target/92499 * c-decl.c (flexible_array_type_p): Move to common code. 2019-11-30 Richard Sandiford * c-decl.c (start_decl): Allow initialization of variables whose size is a POLY_INT_CST. (finish_decl): Use verify_type_context to check whether the target allows variables with a particular type to have static or thread-local storage duration. Don't raise a second error if such variables do not have a constant size. (grokdeclarator): Use verify_type_context to check whether the target allows fields or array elements to have a particular type. * c-typeck.c (pointer_diff): Use verify_type_context to test whether the target allows pointer difference for the types involved. (build_unary_op): Likewise for pointer increment and decrement. 2019-11-29 Joseph Myers * c-parser.c (struct c_parser): Add members raw_tokens and raw_tokens_used. (c_lex_one_token): Add argument raw. Handle lexing raw tokens and using previously-lexed raw tokens. (c_parser_peek_nth_token_raw) (c_parser_check_balanced_raw_token_sequence): New functions. (c_parser_nth_token_starts_std_attributes): Use c_parser_check_balanced_raw_token_sequence for Objective-C. 2019-11-25 Joseph Myers PR c/91985 * c-decl.c (finish_declspecs): Use int instead of decimal floating-point types if decimal floating-point not supported. 2019-11-25 Joseph Myers * c-tree.h (struct c_declarator): Use a structure for id member. * c-decl.c (grokdeclarator): Extract attributes from cdk_id declarators at the start, not when handling individual declarators later. Use u.id.id instead of u.id. (grokfield): Use u.id.id instead of u.id. (build_id_declarator): Set u.id.id and u.id.attrs. (finish_declspecs): Handle postfix attributes in case of typedef name or typeof used. * c-parser.c (c_parser_direct_declarator) (c_parser_direct_declarator_inner): Place declarator for attributes inside that for function or array, not outside. Set u.id.attrs for identifiers. (c_parser_parameter_declaration): Use u.id.id instead of u.id. * gimple-parser.c (c_parser_gimple_declaration): Use u.id.id instead of u.id. 2019-11-22 Jakub Jelinek PR c/90677 * c-decl.c (identifier_global_tag): Define. 2019-11-20 Richard Biener PR c/92088 * c-decl.c (grokdeclarator): Prevent inlining of nested function with VLA arguments. 2019-11-20 Joseph Myers * c-decl.c (c_warn_type_attributes): New function. (groktypename, grokdeclarator, finish_declspecs): Call c_warn_type_attributes before applying attributes to types. * c-tree.h (c_warn_type_attributes): Declare. 2019-11-19 Joseph Myers * c-decl.c (c_warn_unused_attributes): Use pedwarn not warning for standard attributes. * c-parser.c (c_parser_std_attribute): Take argument for_tm. Use pedwarn for unknown standard attributes and return error_mark_node for them. 2019-11-18 Matthew Malcomson * c-parser.c (c_parser_parse_rtl_body): Always call run_rtl_passes, even if startwith pass is not provided. 2019-11-15 Joseph Myers * c-parser.c (c_parser_std_attribute_specifier): Diagnose duplicate standard attributes. 2019-11-15 Joseph Myers * c-decl.c (std_attribute_table): Add maybe_unused. 2019-11-15 Joseph Myers * c-decl.c (std_attribute_table): Add fallthrough. * c-parser.c (c_parser_declaration_or_fndef): Diagnose fallthrough attribute at top level. 2019-11-15 Joseph Myers * c-decl.c (std_attribute_table): New. (c_init_decl_processing): Register attributes from std_attribute_table. * c-parser.c (c_parser_attribute_arguments): Add arguments require_string and allow_empty_args. All callers changed. (c_parser_std_attribute): Set require_string argument for "deprecated" attribute. 2019-11-14 Joseph Myers * c-parser.c (c_parser_postfix_expression) (c_parser_check_literal_zero): Handle CPP_UTF8CHAR. * gimple-parser.c (c_parser_gimple_postfix_expression): Likewise. 2019-11-14 Richard Sandiford * c-typeck.c (build_conditional_expr): Use truth_type_for instead of build_same_sized_truth_vector_type. (build_vec_cmp): Likewise. 2019-11-14 Jakub Jelinek * c-parser.c (c_parser_omp_context_selector): Don't require score argument to fit into shwi, just to be INTEGER_CST. Diagnose negative score. * c-parser.c (c_parser_omp_context_selector): Rename CTX_PROPERTY_IDLIST to CTX_PROPERTY_NAME_LIST, add CTX_PROPERTY_ID. Use CTX_PROPERTY_ID for atomic_default_mem_order, only allow a single identifier in that. For CTX_PROPERTY_NAME_LIST, allow identifiers and string literals. 2019-11-14 Joseph Myers * c-tree.h (enum c_typespec_kind): Add ctsk_tagref_attrs and ctsk_tagfirstref_attrs. (struct c_declspecs): Update description of attrs. Add postfix_attrs and non_std_attrs_seen_p. Increase size of typespec_kind bit-field. (c_warn_unused_attributes): New declaration. (parser_xref_tag): Update prototype. * c-decl.c (c_warn_unused_attributes): New function. (shadow_tag_warned): Handle ctsk_tagfirstref_attrs and ctsk_tagref_attrs. Handle attribute declarations. (check_compound_literal_type): Handle ctsk_tagfirstref_attrs. (grokdeclarator): Handle standard attributes. (parser_xref_tag): Add arguments have_std_attrs and attrs. Apply attributes to incomplete type reference. (xref_tag): Update call to parser_xref_tag. (declspecs_add_addrspace, declspecs_add_type) (declspecs_add_scspec, declspecs_add_attrs): Set non_std_attrs_seen_p. (finish_declspecs): Apply postfix standard attributes to type. * c-parser.c (c_token_starts_declspecs) (c_token_starts_declaration, c_parser_next_token_starts_declspecs) (c_parser_next_tokens_start_declaration): Update comments. (c_parser_consume_token, c_parser_consume_pragma): Handle moving parser->tokens[2] to parser->tokens[1]. (c_parser_nth_token_starts_std_attributes) (c_parser_std_attribute_specifier_sequence): New functions. (c_parser_declaration_or_fndef): Add arguments have_attrs and attrs. All callers changed. Handle standard attributes. (c_parser_parms_declarator, c_parser_parms_list_declarator) (c_parser_parameter_declaration): Add argument have_gnu_attrs. All callers changed. (c_parser_declspecs): Add arguments start_std_attr_ok and end_std_attr_ok. All callers changed. Handle standard attributes. (c_parser_enum_specifier, c_parser_struct_or_union_specifier) (c_parser_direct_declarator, c_parser_direct_declarator_inner) (c_parser_compound_statement_nostart, c_parser_all_labels) (c_parser_label, c_parser_statement, c_parser_for_statement): Handle standard attributes. * c-parser.h (c_parser_declspecs): Update prototype. * gimple-parser.c (c_parser_gimple_declaration): Update call to c_parser_declspecs. 2019-11-12 Martin Liska * gimple-parser.c: Do not include params.h. 2019-11-12 Martin Liska * gimple-parser.c (c_parser_parse_gimple_body): Replace old parameter syntax with the new one, include opts.h if needed. Use SET_OPTION_IF_UNSET macro. 2019-11-12 Maciej W. Rozycki Frederik Harwath gcc/c/ * c-parser.c (OACC_SERIAL_CLAUSE_MASK): New macro. (c_parser_oacc_kernels_parallel): Rename function to... (c_parser_oacc_compute): ... this. Handle PRAGMA_OACC_SERIAL. (c_parser_omp_construct): Update accordingly. 2019-11-11 Jakub Jelinek * c-parser.c (c_parser_translation_unit): Diagnose declare target without corresponding end declare target. 2019-11-08 Richard Sandiford * c-convert.c (convert): Only handle vector conversions if one of the types satisfies gnu_vector_type_p or if -flax-vector-conversions allows it. * c-typeck.c (build_array_ref): Only allow vector indexing if the vectors satisfy gnu_vector_type_p. (build_unary_op): Only allow unary operators to be applied to vectors if they satisfy gnu_vector_type_p. (digest_init): Only allow by-element initialization of vectors if they satisfy gnu_vector_type_p. (really_start_incremental_init): Likewise. (push_init_level): Likewise. (pop_init_level): Likewise. (process_init_element): Likewise. (build_binary_op): Only allow binary operators to be applied to vectors if they satisfy gnu_vector_type_p. 2019-11-08 Joseph Myers * c-decl.c (grokparms): Convert () in a function definition to (void) for C2x. (store_parm_decls_oldstyle): Pedwarn for C2x. (store_parm_decls): Update comment about () not generating a prototype. 2019-11-07 Joseph Myers * c-parser.c (c_parser_attribute_arguments): New function. Factored out of c_parser_gnu_attribute. (c_parser_gnu_attribute): Use c_parser_attribute_arguments. (c_parser_balanced_token_sequence, c_parser_std_attribute) (c_parser_std_attribute_specifier): New functions. (c_parser_transaction_attributes): Use c_parser_std_attribute_specifier. 2019-11-07 Joseph Myers * c-parser.c (c_parser): Remove lex_untranslated_string. Add lex_joined_string and translate_strings_p. (c_lex_one_token): Pass 0 or C_LEX_STRING_NO_JOIN to c_lex_with_flags. (c_parser_string_literal): New function. (c_parser_static_assert_declaration_no_semi): Use c_parser_string_literal. Do not set lex_untranslated_string. (c_parser_asm_string_literal): Use c_parser_string_literal. (c_parser_simple_asm_expr): Do not set lex_untranslated_string. (c_parser_gnu_attributes): Set and restore translate_strings_p instead of lex_untranslated_string. (c_parser_asm_statement): Do not set lex_untranslated_string. (c_parser_asm_operands): Likewise. (c_parser_has_attribute_expression): Set and restore translate_strings_p instead of lex_untranslated_string. (c_parser_postfix_expression): Use c_parser_string_literal. (pragma_lex): Likewise. (c_parser_pragma_pch_preprocess): Set lex_joined_string. (c_parse_file): Set translate_strings_p. * gimple-parser.c (c_parser_gimple_postfix_expression) (c_parser_gimple_or_rtl_pass_list): Use c_parser_string_literal. * c-parser.c (c_parser_string_literal): Declare function. 2019-11-02 Jakub Jelinek * c-parser.c (c_finish_omp_declare_variant): Use omp_get_context_selector instead of c_omp_get_context_selector. 2019-10-29 Richard Sandiford * c-tree.h (c_simulate_enum_decl): Declare. * c-decl.c (c_simulate_enum_decl): New function. * c-objc-common.h (LANG_HOOKS_SIMULATE_ENUM_DECL): Define to the above. 2019-10-29 Richard Sandiford * c-tree.h (c_simulate_builtin_function_decl): Declare. * c-decl.c (c_simulate_builtin_function_decl): New function. * c-objc-common.h (LANG_HOOKS_SIMULATE_BUILTIN_FUNCTION_DECL): Define to the above. 2019-10-28 Martin Sebor PR c/66970 * c-decl.c (names_builtin_p): Define a new function. 2019-10-28 Richard Biener PR c/92249 * gimple-parser.c (c_parser_parse_gimple_body): Make current_bb the entry block initially to easier recover from errors. (c_parser_gimple_compound_statement): Adjust. 2019-10-24 Jakub Jelinek * c-parser.c (c_finish_omp_declare_variant): Use omp_context_selector_matches instead of c_omp_context_selector_matches. * c-decl.c (c_decl_attributes): Add "omp declare target block" attribute in between declare target and end declare target pragmas. 2019-10-15 Joseph Myers * c-parser.c (c_parser_attribute_any_word): Rename to c_parser_gnu_attribute_any_word. All callers changed. (c_parser_attribute): Rename to c_parser_gnu_attribute. All callers changed. (c_parser_attributes): Rename to c_parser_gnu_attributes. All callers changed. (c_parser_declaration_or_fndef, c_parser_declspecs) (c_parser_enum_specifier, c_parser_struct_or_union_specifier) (c_parser_struct_declaration, c_parser_declarator) (c_parser_gnu_attribute, c_parser_compound_statement) (c_parser_label, c_parser_statement, c_parser_objc_method_decl) (c_parser_transaction_attributes): Add "gnu-" prefix to names of attribute-related syntax productions. 2019-10-14 Richard Sandiford * c-objc-common.c (useful_aka_type_p): Replace with... (get_aka_type): ...this new function. Given the original type, decide which aka type to print (if any). Only look through typedefs if user_facing_original_type_p. (print_type): Update accordingly. 2019-10-14 Jakub Jelinek * c-parser.c (c_parser_omp_all_clauses): Change bool NESTED_P argument into int NESTED, if it is 2, diagnose missing commas in between clauses. (c_parser_omp_context_selector): Pass 2 as last argument to c_parser_omp_all_clauses. 2019-10-12 Jakub Jelinek * c-parser.c (c_parser_omp_context_selector): Improve error recovery. For simd properties, put them directly into TREE_VALUE. (c_finish_omp_declare_variant): Call c_omp_mark_declare_variant. If c_omp_context_selector_matches is 0, don't add attribute, otherwise add "omp declare variant base" attribute rather than "omp declare variant". 2019-10-11 Joseph Myers * c-decl.c (declspecs_add_type): Use pedwarn_c11 for DFP types. 2019-10-10 Jakub Jelinek * c-parser.c (c_parser_omp_all_clauses): Add NESTED_P argument, if true, terminate processing on closing paren and don't skip to end of pragma line. (c_parser_omp_declare_simd): Handle also declare variant. (omp_construct_selectors, omp_device_selectors, omp_implementation_selectors, omp_user_selectors): New variables. (c_parser_omp_context_selector, c_parser_omp_context_selector_specification, c_finish_omp_declare_variant): New functions. (c_finish_omp_declare_simd): Handle both declare simd and declare variant. (c_parser_omp_declare): Handle declare variant. 2019-10-02 Joseph Myers * c-parser.c (c_parser_asm_statement): Handle CPP_SCOPE like two CPP_COLON tokens. 2019-10-01 Richard Sandiford * c-objc-common.c (useful_aka_type_p): New function. (print_type): Use it to decide whether an aka type is worth printing. 2019-09-27 Jakub Jelinek PR c++/88203 * c-parser.c (c_parser_predefined_identifier): New function. (c_parser_postfix_expression): Use it. (c_parser_omp_variable_list): Parse predefined identifiers. * c-typeck.c (c_finish_omp_clauses): Allow predefined variables in shared and firstprivate clauses, even when they are predetermined shared. 2019-09-27 Richard Sandiford * c-typeck.c (build_function_call_vec): Take the original function decl as an optional final parameter. Pass all built-in calls to check_builtin_function_arguments. 2019-09-20 Eric Botcazou PR c/91815 * c-decl.c (pushdecl): In C detect duplicate declarations across scopes of identifiers in the external scope only for variables and functions. 2019-09-04 Prathamesh Kulkarni PR c/78736 * c-typeck.c (convert_for_assignment): Handle Wenum-conversion. 2019-08-23 Iain Sandoe PR pch/61250 * c-parser.c (c_parse_file): Call c_common_no_more_pch () after determining that the first token is not PRAGMA_GCC_PCH_PREPROCESS. 2019-08-22 Eric Botcazou * c-parser.c (c_parser_declaration_or_fndef): Set DECL_ARGUMENTS of a FUNCTION_DECL to the right value in the presence of nested declarators. 2019-08-13 Richard Sandiford PR middle-end/91421 * c-decl.c (merge_decls): Use copy_decl_built_in_function. 2019-08-13 Richard Sandiford PR middle-end/91421 * c-decl.c (header_for_builtin_fn): Take a FUNCTION_DECL instead of a built_in_function. (diagnose_mismatched_decls, implicitly_declare): Update accordingly. 2019-08-10 Jakub Jelinek * c-parser.c (c_parser_omp_clause_name): Parse device_type. (c_parser_omp_clause_device_type): New function. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DEVICE_TYPE. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_DEVICE_TYPE. (c_parser_omp_declare_target): Handle device_type clauses. Remove diagnostics for declare target with clauses nested in clause-less declare target declaration-definition-seq. * c-typeck.c (c_finish_omp_clauses): Handle OMP_CLAUSE_DEVICE_TYPE. 2019-08-09 Jakub Jelinek * c-parser.c (check_no_duplicate_clause): Simplify using omp_find_clause. (c_parser_omp_clause_if): Fix up printing of target {enter,exit} data directive name modifiers. (c_parser_omp_clause_proc_bind): Check for duplicate proc_bind clause. PR c/91401 * c-parser.c (c_parser_omp_clause_dist_schedule): Fix up typos in the check_no_duplicate_clause call. Comment it out, instead emit a warning for duplicate dist_schedule clauses. 2019-08-08 Richard Sandiford * c-decl.c (finish_enum): Clear C_TYPE_BEING_DEFINED. 2019-08-08 Jakub Jelinek * c-typeck.c (c_finish_omp_clauses): For C_ORT_OMP OMP_CLAUSE_USE_DEVICE_* clauses use oacc_reduction_head bitmap instead of generic_head to track duplicates. 2019-08-07 Jakub Jelinek * c-parser.c (c_parser_omp_clause_name): Parse use_device_addr clause. (c_parser_omp_clause_use_device_addr): New function. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR. (OMP_TARGET_DATA_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR. (c_parser_omp_target_data): Handle PRAGMA_OMP_CLAUSE_USE_DEVICE_ADDR like PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR, adjust diagnostics about no map or use_device_* clauses. * c-typeck.c (c_finish_omp_clauses): For OMP_CLAUSE_USE_DEVICE_PTR in OpenMP, require pointer type rather than pointer or array type. Handle OMP_CLAUSE_USE_DEVICE_ADDR. 2019-07-31 Jakub Jelinek PR c/91192 * c-parser.c (c_parser_sizeof_expression): Call set_c_expr_source_range even if finish is UNKNOWN_LOCATION, just use start as finish in that case. 2019-07-25 Martin Liska Dominik Infuhr PR c++/23383 * c-decl.c (merge_decls): Merge OPERATOR_DELETE flag. 2019-07-25 Martin Liska * c-decl.c (merge_decls): Use new macros (e.g. DECL_SET_LAMBDA_FUNCTION and DECL_LAMBDA_FUNCTION_P). 2019-07-23 Richard Biener PR tree-optimization/83518 * gimple-parser.c (c_parser_parse_gimple_body): When we have a CFG also rebuild cgraph edges. 2019-07-20 Jakub Jelinek * c-parser.c (c_parser_omp_clause_name): Handle bind clause. (c_parser_omp_clause_bind): New function. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_BIND. (OMP_LOOP_CLAUSE_MASK): Define. (c_parser_omp_loop): New function. (c_parser_omp_parallel, c_parser_omp_teams): Handle parsing of loop combined with parallel or teams. (c_parser_omp_construct): Handle PRAGMA_OMP_LOOP. * c-typeck.c (c_finish_omp_clauses): Handle OMP_CLAUSE_BIND. 2019-07-18 Richard Sandiford PR c/53633 * c-decl.c (finish_function): Check targetm.warn_func_return before issuing a -Wreturn-type warning. 2019-07-12 Alexandre Oliva * gimple-parser.c (c_parser_gimple_try_stmt): New. (c_parser_compound_statement): Call it. 2019-07-12 Jakub Jelinek * c-parser.c (c_parser_omp_clause_name): Handle order clause. (c_parser_omp_clause_order): New function. (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_ORDER. (OMP_SIMD_CLAUSE_MASK, OMP_FOR_CLAUSE_MASK): Add PRAGMA_OMP_CLAUSE_ORDER. * c-typeck.c (c_finish_omp_clauses): Handle OMP_CLAUSE_ORDER. 2019-07-10 Richard Biener * gimple-parser.c (c_parser_gimple_postfix_expression): Support _Literal (int *) &x for address literals. 2019-07-09 Martin Sebor PR c++/61339 * c-decl.c (xref_tag): Change class-key of PODs to struct and others to class. (field_decl_cmp): Same. * c-parser.c (c_parser_struct_or_union_specifier): Same. * c-tree.h: Same. * gimple-parser.c (c_parser_gimple_compound_statement): Same. 2019-07-09 Martin Sebor PR c++/61339 * c-decl.c: Change class-key from class to struct and vice versa to match convention and avoid -Wclass-is-pod and -Wstruct-no-pod. * gimple-parser.c: Same. 2019-07-01 Richard Biener * gimple-parser.c (c_parser_gimple_postfix_expression): Handle _Literal (char *) &"foo" for address literals pointing to STRING_CSTs. 2019-06-25 Jozef Lawrynowicz * c-parser.c (c_parse_init): Create keyword for "__intN__" type. * c-decl.c (declspecs_add_type): Don't pedwarn about "__intN" ISO C incompatibility if alternate "__intN__" form is used. 2019-06-24 Martin Sebor * c-typeck.c (build_binary_op): Hyphenate floating-point. 2019-06-10 Jakub Jelinek * c-parser.c (c_parser_pragma): Reject PRAGMA_OMP_SCAN. (c_parser_omp_clause_reduction): Don't sorry_at on inscan reductions. (c_parser_omp_scan_loop_body): New function. (c_parser_omp_for_loop): Call c_parser_omp_scan_loop_body if there are inscan reduction clauses. * c-typeck.c (c_finish_omp_clauses): Reject mixing inscan with non-inscan reductions on the same construct, or inscan reductions with ordered or schedule clauses, or inscan array reductions. 2019-06-05 Martin Sebor PR c/90737 * c-typeck.c (c_finish_return): Only consider functions returning pointers as candidates for -Wreturn-local-addr. 2019-06-05 Martin Sebor * c-decl.c (start_decl): Adjust quoting and hyphenation in diagnostics. (finish_decl): Same. (finish_enum): Same. (start_function): Same. (declspecs_add_type): Same. * c-parser.c (warn_for_abs): Same. * c-typeck.c (build_binary_op): Same. 2019-05-17 Thomas Schwinge PR c/89433 * c-parser.c (c_finish_oacc_routine): Rework checking if already marked with an OpenACC 'routine' directive. PR c/89433 * c-parser.c (c_parser_oacc_routine): Normalize order of clauses. (c_finish_oacc_routine): Call oacc_verify_routine_clauses. PR c/89433 * c-parser.c (c_finish_oacc_routine): Refer to OpenACC 'routine' clauses from "omp declare target" attribute. 2019-05-16 Martin Sebor * c-decl.c (start_decl): Quote keywords, operators, and types in diagnostics. (finish_decl): Same. * c-parser.c (c_parser_asm_statement): Same. (c_parser_conditional_expression): Same. (c_parser_transaction_cancel): Same. * c-typeck.c (c_common_type): Same. (build_conditional_expr): Same. (digest_init): Same. (process_init_element): Same. (build_binary_op): Same. 2019-05-17 Richard Biener * gimple-parser.c (c_parser_gimple_statement): Handle __VEC_PERM. (c_parser_gimple_unary_expression): Likewise. (c_parser_gimple_parentized_ternary_expression): New function. 2019-05-16 Richard Biener * gimple-parser.c (c_parser_gimple_statement): Handle __BIT_INSERT. (c_parser_gimple_unary_expression): Likewise. 2019-05-15 Richard Biener * gimple-parser.c (c_parser_gimple_postfix_expression): Handle __BIT_FIELD_REF. 2019-05-14 Richard Biener * gimple-parser.c (c_parser_gimple_statement): Remove questionable auto-promotion to VIEW_CONVERT_EXPR. (c_parser_gimple_typespec): Split out from __MEM parsing. (c_parser_gimple_postfix_expression): Handle __VIEW_CONVERT. * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR as __VIEW_CONVERT with -gimple. 2019-05-09 Martin Liska * gimple-parser.c (c_parser_gimple_statement): Support __MIN and __MAX. (c_parser_gimple_unary_expression): Parse also binary expression __MIN and __MAX. (c_parser_gimple_parentized_binary_expression): New function. 2019-05-09 Martin Liska * gimple-parser.c (struct gimple_parser): Add probability. for gimple_parser_edge. (gimple_parser::push_edge): Add new argument probability. (c_parser_gimple_parse_bb_spec): Parse also probability if present. (c_parser_parse_gimple_body): Set edge probability. (c_parser_gimple_compound_statement): Consume token before calling c_parser_gimple_goto_stmt. Parse BB counts. (c_parser_gimple_statement): Pass new argument. (c_parser_gimple_goto_stmt): Likewise. (c_parser_gimple_if_stmt): Likewise. (c_parser_gimple_or_rtl_pass_list): Parse hot_bb_threshold. * c-parser.c (c_parser_declaration_or_fndef): Pass hot_bb_threshold argument. * c-tree.h (struct c_declspecs): Add hot_bb_threshold field. (c_parser_gimple_parse_bb_spec_edge_probability): New. 2019-04-26 Jakub Jelinek PR debug/90197 * c-tree.h (c_finish_loop): Add 2 further location_t arguments. * c-parser.c (c_parser_while_statement): Adjust c_finish_loop caller. (c_parser_do_statement): Likewise. (c_parser_for_statement): Likewise. Formatting fixes. * c-typeck.c (c_finish_loop): Add COND_LOCUS and INCR_LOCUS arguments, emit DEBUG_BEGIN_STMTs if needed. 2019-04-19 Jakub Jelinek PR c/89888 * c-typeck.c (struct c_switch): Remove outside_range_p member. (c_start_case): Don't clear it. (do_case): Adjust c_add_case_label caller. (c_finish_case): Adjust c_do_switch_warnings caller. PR c++/90108 * c-decl.c (merge_decls): If remove is main variant and DECL_ORIGINAL_TYPE is some other type, remove a DECL_ORIGINAL_TYPE variant that has newdecl as TYPE_NAME if any. 2019-04-12 Jakub Jelinek PR c/89933 * c-decl.c (merge_decls): When newdecl's type is its main variant, don't try to remove it from the variant list, but instead assert it has no variants. 2019-04-01 Richard Biener PR c/71598 * c-tree.h (c_get_alias_set): Declare. * c-objc-common.h (LANG_HOOKS_GET_ALIAS_SET): Use c_get_alias_set. * c-objc-common.c (c_get_alias_set): Treat enumeral types as the underlying integer type. 2019-03-19 Martin Sebor PR tree-optimization/89688 * c-decl.c (finish_decl): Call braced_lists_to_string for more kinds of initializers. 2019-03-19 Jakub Jelinek PR c/89734 * c-decl.c (grokdeclarator): Call c_build_qualified_type on function return type even if quals_used is 0. Formatting fixes. 2019-03-14 Richard Biener * c-tree.h (enum c_declspec_il): New. (struct c_declspecs): Merge gimple_p and rtl_p into declspec_il enum bitfield. * c-parser.c (c_parser_declaration_or_fndef): Adjust accordingly. Pass start pass and declspec_il to c_parser_parse_gimple_body. (c_parser_declspecs): Adjust. * gimple-parser.c: Include cfg.h, cfghooks.h, cfganal.h, tree-cfg.h, gimple-iterator.h, cfgloop.h, tree-phinodes.h, tree-into-ssa.h and bitmap.h. (struct gimple_parser): New. (gimple_parser::push_edge): New method. (c_parser_gimple_parse_bb_spec): New helper. (c_parser_parse_gimple_body): Get start pass and IL specification. Initialize SSA and CFG. (c_parser_gimple_compound_statement): Handle CFG and SSA build. Build a gimple_parser parsing state and pass it along. (c_parser_gimple_statement): Change intermittend __PHI internal function argument for the edge. (c_parser_gimple_or_rtl_pass_list): Handle ssa, cfg flags. (c_parser_gimple_goto_stmt): Record edges to build. (c_parser_gimple_if_stmt): Likewise. * gimple-parser.h (c_parser_parse_gimple_body): Adjust. (c_parser_gimple_or_rtl_pass_list): Likewise. 2019-03-11 Martin Liska * c-decl.c (check_for_loop_decls): Wrap an option name in a string format message and fix GNU coding style. * c-parser.c (c_parser_declspecs): Likewise. 2019-03-08 Jakub Jelinek PR tree-optimization/89550 * c-decl.c (finish_function): Only set TREE_NO_WARNING if warning_at returned true. (c_write_global_declarations_1): Only set TREE_NO_WARNING if pedwarn or warning returned true. 2019-02-28 Jakub Jelinek PR c/89525 * c-typeck.c (convert_arguments): Call inform_declaration only if the previous warning_at call returned true. 2019-02-22 Thomas Schwinge * c-parser.c (c_parser_oacc_shape_clause): Add loc formal parameter. Adjust all users. (c_parser_oacc_simple_clause): Replace parser with loc formal parameter. Adjust all users. 2019-02-19 Chung-Lin Tang PR c/87924 * c-parser.c (c_parser_oacc_clause_wait): Add representation of wait clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments. 2019-02-15 Jakub Jelinek PR c/89340 * c-decl.c (start_function): Clear TREE_PUBLIC on nested functions before c_decl_attributes rather than after it. 2019-02-06 Jakub Jelinek PR c/89211 * c-parser.c (c_parser_declaration_or_fndef): Don't update DECL_ARGUMENTS of d if it has been defined already. Use a single if instead of 3 nested ifs. 2019-02-06 Joseph Myers PR c/88584 * c-decl.c (finish_decl): Do not complete array types for arrays with external linkage not at file scope. 2019-02-05 Richard Biener PR c/88606 * c-decl.c (finish_struct): Reset TYPE_TRANSPARENT_AGGR on all type variants when not supported. 2019-01-30 Jakub Jelinek PR c/89061 * c-tree.h (C_DECL_COMPOUND_LITERAL_P): Define. * c-decl.c (decl_jump_unsafe): Return false for C_DECL_COMPOUND_LITERAL_P decls. (build_compound_literal): Set C_DECL_COMPOUND_LITERAL_P. 2019-01-29 Jakub Jelinek PR c/89045 * c-decl.c (build_compound_literal): Don't pushdecl if in parameter scope. PR c/86125 * c-decl.c (last_fileptr_type): Remove. (last_structptr_types): New variable. (match_builtin_function_types): Compare TYPE_MAIN_VARIANT of {old,new}rettype instead of the types themselves. Assert last_structptr_types array has the same number of elements as builtin_structptr_types array. Use TYPE_MAIN_VARIANT for argument oldtype and newtype. Instead of handling just fileptr_type_node specially, handle all builtin_structptr_types pointer nodes. Formatting fix. 2019-01-24 Martin Sebor PR c/86125 PR c/88886 PR middle-end/86308 * c-decl.c (match_builtin_function_types): Add arguments. (diagnose_mismatched_decls): Diagnose mismatched declarations of built-ins more strictly. 2019-01-24 Jakub Jelinek PR c++/88976 * c-typeck.c (c_finish_omp_cancel): Diagnose more than one if on #pragma omp cancel with different modifiers. 2019-01-18 H.J. Lu PR c/51628 PR c/88664 * c-typeck.c (convert_for_assignment): Upate the warn_for_address_or_pointer_of_packed_member call. 2019-01-16 Tom Honermann Jason Merrill * c-typeck.c (digest_init): Revised the error message produced for ill-formed cases of array initialization with a string literal. (error_init): Make variadic. 2019-01-12 Jakub Jelinek * c-typeck.c (convert_for_assignment): Fix a comment typo. 2019-01-07 Jakub Jelinek PR c/88701 * c-decl.c (build_compound_literal): If not TREE_STATIC, only pushdecl if current_function_decl is non-NULL. 2019-01-07 Joseph Myers PR c/88720 PR c/88726 * c-decl.c (pop_scope): Use TREE_PUBLIC and b->nested to determine whether a function is nested, not DECL_EXTERNAL. Diagnose inline functions declared but never defined only for external scope, not for other scopes. 2019-01-07 Jakub Jelinek PR c++/85052 * c-parser.c (c_parser_postfix_expression): Parse __builtin_convertvector. 2019-01-01 Jakub Jelinek Update copyright years. 2018-12-20 H.J. Lu PR c/51628 * c-typeck.c (convert_for_assignment): Call warn_for_address_or_pointer_of_packed_member. 2018-12-19 Segher Boessenkool * c-parser.c (c_parser_asm_statement) : Give a more specific error message (instead of just falling through). 2018-12-19 Segher Boessenkool * c-parser.c (c_parser_asm_statement): Keep track of the location each asm qualifier is first seen; use that to give nicer "duplicate asm qualifier" messages. Delete 'quals" variable, instead pass the "is_volatile_ flag to build_asm_stmt directly. * c-tree.h (build_asm_stmt): Make the first arg bool instead of tree. * c-typeck.c (build_asm_stmt): Ditto; adjust. 2018-12-19 Segher Boessenkool * c-parser.c (c_parser_asm_statement): Rewrite the loop to work without "done" boolean variable. 2018-12-19 David Malcolm PR c++/87504 * c-typeck.c (class maybe_range_label_for_tree_type_mismatch): Move from here to gcc-rich-location.h and gcc-rich-location.c. (build_binary_op): Use struct op_location_t and class binary_op_rich_location. 2018-12-11 Jakub Jelinek PR sanitizer/88426 * c-convert.c (convert): Call c_fully_fold before calling ubsan_instrument_float_cast. 2018-12-08 Segher Boessenkool * c-parser (c_parser_asm_statement) [RID_INLINE]: Delete stray line setting "quals". 2018-12-06 Segher Boessenkool * c-parser.c (c_parser_asm_statement): Detect the inline keyword after asm. Pass a flag for it to build_asm_expr. * c-tree.h (build_asm_expr): Update declaration. * c-typeck.c (build_asm_stmt): Add is_inline parameter. Use it to set ASM_INLINE_P. 2018-12-06 Segher Boessenkool PR inline-asm/55681 * c-parser.c (c_parser_asm_statement): Update grammar. Allow any combination of volatile and goto, in any order, without repetitions. 2018-12-04 James Norris Cesar Philippidis Julian Brown * c-parser.c (c_parser_oacc_wait_list): Remove dead diagnostic code. 2018-11-30 Richard Biener * gimple-parser.c (c_parser_gimple_postfix_expression): Parse _Literal (type) { ... } as empty aggregate or vector constructor. 2018-11-29 Martin Sebor PR c/88091 * c-typeck.c (convert_argument): Add a parameter. Adjust indentation. (convert_arguments): Add comments. Pass additional argument to the function above. 2018-11-29 Martin Sebor PR c/88172 PR testsuite/88208 * c-decl.c (declspec_add_alignas): Adjust call to check_user_alignment. 2018-11-23 Martin Sebor PR testsuite/88098 * c-typeck.c (convert_arguments): Call builtin_decl_explicit instead. (maybe_warn_builtin_no_proto_arg): Handle short enum to int promotion. 2018-11-20 Martin Sebor * c-parser.c (c_parser_has_attribute_expression): New function. (c_parser_attribute): New function. (c_parser_attributes): Move code into c_parser_attribute. (c_parser_unary_expression): Handle RID_HAS_ATTRIBUTE_EXPRESSION. 2018-11-15 Martin Sebor PR c/83656 * c-decl.c (header_for_builtin_fn): Declare. (diagnose_mismatched_decls): Diagnose declarations of built-in functions without a prototype. * c-typeck.c (maybe_warn_builtin_no_proto_arg): New function. (convert_argument): Same. (convert_arguments): Factor code out into convert_argument. Detect mismatches between built-in formal arguments in calls to built-in without prototype. (build_conditional_expr): Same. (type_or_builtin_type): New function. (convert_for_assignment): Add argument. Conditionally issue warnings instead of errors for mismatches. 2018-11-13 David Malcolm * c-decl.c: Replace "source_location" with "location_t". * c-tree.h: Likewise. * c-typeck.c: Likewise. * gimple-parser.c: Likewise. 2018-11-09 Jakub Jelinek * c-parser.c (c_parser_omp_clause_final): Use c_parser_expr_no_commas, convert_lvalue_to_rvalue, c_objc_common_truthvalue_conversion, c_fully_fold and parentheses parsing instead of c_parser_paren_condition. (c_parser_omp_clause_if): Use c_parser_expr_no_commas, convert_lvalue_to_rvalue, c_objc_common_truthvalue_conversion and c_fully_fold instead of c_parser_condition. (c_parser_omp_clause_num_threads, c_parser_omp_clause_num_tasks, c_parser_omp_clause_grainsize, c_parser_omp_clause_priority, c_parser_omp_clause_hint, c_parser_omp_clause_num_teams, c_parser_omp_clause_thread_limit, c_parser_omp_clause_linear): Use c_parser_expr_no_commas instead of c_parser_expression. * c-parser.c (c_parser_omp_clause_reduction): Call sorry_at on reduction clause with inscan modifier. * c-parser.c (c_parser_omp_requires): Call sorry_at on requires clauses other than atomic_default_mem_order. 2018-11-08 Jakub Jelinek * c-parser.c: Include memmode.h. (c_parser_omp_depobj, c_parser_omp_requires): New functions. (c_parser_pragma): Handle PRAGMA_OMP_DEPOBJ and PRAGMA_OMP_REQUIRES. (c_parser_omp_clause_name): Handle nontemporal, in_reduction and task_reduction clauses. (c_parser_omp_variable_list): Handle OMP_CLAUSE_{IN,TASK}_REDUCTION. For OMP_CLAUSE_DEPEND, parse clause operands as either an array section, or lvalue assignment expression. (c_parser_omp_clause_if): Handle cancel and simd modifiers. (c_parser_omp_clause_lastprivate): Parse optional conditional: modifier. (c_parser_omp_clause_hint): Require constant integer expression rather than just integer expression. (c_parser_omp_clause_defaultmap): Parse new kinds of defaultmap clause. (c_parser_omp_clause_reduction): Add IS_OMP and KIND arguments. Parse reduction modifiers. Pass KIND to c_parser_omp_variable_list. (c_parser_omp_clause_nontemporal, c_parser_omp_iterators): New functions. (c_parser_omp_clause_depend): Parse iterator modifier and handle iterators. Parse mutexinoutset and depobj kinds. (c_parser_oacc_all_clauses): Adjust c_parser_omp_clause_reduction callers. (c_parser_omp_all_clauses): Likewise. Handle PRAGMA_OMP_CLAUSE_NONTEMPORAL and PRAGMA_OMP_CLAUSE_{IN,TASK}_REDUCTION. (c_parser_omp_atomic): Parse hint and memory order clauses. Handle default memory order from requires directive if any. Adjust c_finish_omp_atomic caller. (c_parser_omp_critical): Allow comma in between (name) and hint clause. (c_parser_omp_flush): Parse flush with memory-order-clause. (c_parser_omp_for_loop): Allow NE_EXPR even in OpenMP loops, adjust c_finish_omp_for caller. (OMP_SIMD_CLAUSE_MASK): Add if and nontemporal clauses. (c_parser_omp_master): Add p_name, mask and cclauses arguments. Allow to be called while parsing combined parallel master. Parse combined master taskloop{, simd}. (c_parser_omp_parallel): Parse combined parallel master{, taskloop{, simd}} constructs. (OMP_TASK_CLAUSE_MASK): Add in_reduction clause. (OMP_TASKGROUP_CLAUSE_MASK): Define. (c_parser_omp_taskgroup): Add LOC argument. Parse taskgroup clauses. (OMP_TASKWAIT_CLAUSE_MASK): Define. (c_parser_omp_taskwait): Handle taskwait with depend clauses. (c_parser_omp_teams): Force a BIND_EXPR with BLOCK around teams body. Use SET_EXPR_LOCATION. (c_parser_omp_target_data): Allow target data with only use_device_ptr clauses. (c_parser_omp_target): Use SET_EXPR_LOCATION. Set OMP_REQUIRES_TARGET_USED bit in omp_requires_mask. (c_parser_omp_requires): New function. (c_finish_taskloop_clauses): New function. (OMP_TASKLOOP_CLAUSE_MASK): Add reduction and in_reduction clauses. (c_parser_omp_taskloop): Use c_finish_taskloop_clauses. Add forward declaration. Disallow in_reduction clause when combined with parallel master. (c_parser_omp_construct): Adjust c_parser_omp_master and c_parser_omp_taskgroup callers. * c-typeck.c (c_finish_omp_cancel): Diagnose if clause with modifier other than cancel. (handle_omp_array_sections_1): Handle OMP_CLAUSE_{IN,TASK}_REDUCTION like OMP_CLAUSE_REDUCTION. (handle_omp_array_sections): Likewise. Call save_expr on array reductions before calling build_index_type. Handle depend clauses with iterators. (struct c_find_omp_var_s): New type. (c_find_omp_var_r, c_omp_finish_iterators): New functions. (c_finish_omp_clauses): Don't diagnose nonmonotonic clause with static, runtime or auto schedule kinds. Call save_expr for whole array reduction sizes. Diagnose reductions with zero sized elements or variable length structures. Diagnose nogroup clause used with reduction clause(s). Handle depend clause with OMP_CLAUSE_DEPEND_DEPOBJ. Diagnose bit-fields. Require omp_depend_t type for OMP_CLAUSE_DEPEND_DEPOBJ kinds and some different type for other kinds. Use build_unary_op with ADDR_EXPR and build_indirect_ref instead of c_mark_addressable. Handle depend clauses with iterators. Remove no longer needed special case that predetermined const qualified vars may be specified in firstprivate clause. Complain if const qualified vars are mentioned in data-sharing clauses other than firstprivate or shared. Use error_at with OMP_CLAUSE_LOCATION (c) as first argument instead of error. Formatting fix. Handle OMP_CLAUSE_NONTEMPORAL and OMP_CLAUSE_{IN,TASK}_REDUCTION. Allow any lvalue as OMP_CLAUSE_DEPEND operand (besides array section), adjust diagnostics. 2018-10-29 David Malcolm * c-decl.c (implicit_decl_warning): Update "is there a suggestion" logic for change to name_hint::operator bool. (undeclared_variable): Likewise. * c-parser.c (c_parser_declaration_or_fndef): Likewise. (c_parser_parameter_declaration): Likewise. 2018-10-17 Joseph Myers * c-errors.c (pedwarn_c11): New function. * c-parser.c (disable_extension_diagnostics): Save warn_c11_c2x_compat and set it to 0. (restore_extension_diagnostics): Restore warn_c11_c2x_compat. (c_parser_static_assert_declaration_no_semi): Handle _Static_assert without string constant. * c-tree.h (pedwarn_c11): New prototype. 2018-10-17 David Malcolm * Make-lang.in (selftest-c): New. (C_SELFTEST_FLAGS, C_SELFTEST_DEPS, s-selftest-c, selftest-c-gdb) (selftest-gdb, selftest-c-valgrind, selftest-valgrind): Move here from gcc/Makefile.in. 2018-10-02 Richard Biener * c-decl.c (warn_if_shadowing): Do not test DECL_FROM_INLINE. 2018-09-26 Joseph Myers PR c/87390 * c-typeck.c (build_binary_op): Use excess precision for comparisons of integers and floating-point for C11 and later. 2018-09-26 Martin Jambor PR c/87347 * c-parser.c (warn_for_abs): Bail out if TYPE_ARG_TYPES is NULL. Fix comment. 2018-09-17 David Malcolm * c-objc-common.c (range_label_for_type_mismatch::get_text): Update for new param. * c-typeck.c (maybe_range_label_for_tree_type_mismatch::get_text): Likewise. 2018-09-17 Martin Jambor PR c/63886 * c-parser.c: (warn_for_abs): New function. (c_parser_postfix_expression_after_primary): Call it. 2018-09-13 Bernd Edlinger * c-typeck.c (digest_init): Shorten overlength strings. 2018-09-06 Bernd Edlinger * c-decl.c (finish_decl): Call complete_flexible_array_elts. 2018-09-02 Bernd Edlinger * c-decl.c (finish_decl): Call braced_list_to_string here ... * c-parser.c (c_parser_declaration_or_fndef): ... instead of here. 2018-08-30 Alexander Monakov * gimple-parser.c (c_parser_gimple_binary_expression): Accept infix "__MULT_HIGHPART" for MULT_HIGHPART_EXPR. 2018-08-27 David Malcolm PR 87091 * c-decl.c (implicitly_declare): Update call to maybe_add_include_fixit to suggest overriding the location, as it is for a note. * c-objc-common.c (c_tree_printer): Update for conversion of show_caret_p to a tri-state. 2018-08-27 Martin Liska * c-decl.c (locate_old_decl): Use new function fndecl_built_in_p and remove check for FUNCTION_DECL if possible. (diagnose_mismatched_decls): Likewise. (merge_decls): Likewise. (warn_if_shadowing): Likewise. (pushdecl): Likewise. (implicitly_declare): Likewise. * c-parser.c (c_parser_postfix_expression_after_primary): Likewise. * c-tree.h (C_DECL_ISNT_PROTOTYPE): Likewise. * c-typeck.c (build_function_call_vec): Likewise. (convert_arguments): Likewise. 2018-08-20 David Malcolm PR other/84889 * c-decl.c (pushtag): Add auto_diagnostic_group instance. (diagnose_mismatched_decls): Likewise, in various places. (warn_if_shadowing): Likewise. (implicit_decl_warning): Likewise. (implicitly_declare): Likewise. (undeclared_variable): Likewise. (declare_label): Likewise. (grokdeclarator): Likewise. (start_function): Likewise. * c-parser.c (c_parser_declaration_or_fndef): Likewise. (c_parser_parameter_declaration): Likewise. (c_parser_binary_expression): Likewise. * c-typeck.c (c_expr_sizeof_expr): Likewise. (parser_build_binary_op): Likewise. (build_unary_op): Likewise. (error_init): Likewise. (pedwarn_init): Likewise. (warning_init): Likewise. (convert_for_assignment): Likewise. 2018-08-15 David Malcolm * c-objc-common.c: Include "gcc-rich-location.h". (c_tree_printer): Move implemenation of '%T' to... (print_type): ...this new function. (range_label_for_type_mismatch::get_text): New function. * c-typeck.c (convert_for_assignment): Add type labels to the rhs range for the various ic_argpass cases. (class maybe_range_label_for_tree_type_mismatch): New class. (build_binary_op): Use it when calling binary_op_error. 2018-08-15 Prathamesh Kulkarni * c-decl.c (start_decl): Do not warn if variables is named as main and is a local variable. 2018-08-15 Iain Sandoe PR c/19315 * c-decl.c (finish_decl): Don't add the 'extern' storage class to objects of unknown size. 2018-08-13 Martin Sebor PR tree-optimization/71625 * c-parser.c (c_parser_declaration_or_fndef): Call braced_list_to_string. 2018-08-03 Bogdan Harjoc PR c/86690 * c-typeck.c (lookup_field): Do not use TYPE_LANG_SPECIFIC after errors. 2018-08-01 Martin Sebor PR tree-optimization/86650 * c-objc-common.c (c_tree_printer): Move usage of EXPR_LOCATION (t) and TREE_BLOCK (t) from within percent_K_format to this callsite. 2018-08-01 Jakub Jelinek PR c/85704 * c-typeck.c (init_field_decl_cmp): New function. (output_pending_init_elements): Use it for field comparisons instead of pure bit_position comparisons. 2018-07-12 Jakub Jelinek * c-decl.c (c_decl_attributes): Don't diagnose vars without mappable type here, instead add "omp declare target implicit" attribute. (finish_decl): Diagnose vars without mappable type here. 2018-06-20 Chung-Lin Tang Thomas Schwinge Cesar Philippidis * c-parser.c (c_parser_omp_clause_name): Add support for finalize and if_present. Make present_or_{copy,copyin,copyout,create} aliases to their non-present_or_* counterparts. Make 'self' an alias to PRAGMA_OACC_CLAUSE_HOST. (c_parser_oacc_data_clause): Update GOMP mappings for PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}. (c_parser_oacc_all_clauses): Handle finalize and if_present clauses. Remove support for present_or_* clauses. (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses. (OACC_PARALLEL_CLAUSE_MASK): Likewise. (OACC_DECLARE_CLAUSE_MASK): Likewise. (OACC_DATA_CLAUSE_MASK): Likewise. (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses. (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause. (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT. (c_parser_oacc_declare): Remove PRESENT_OR_* clauses. * c-typeck.c (c_finish_omp_clauses): Handle IF_PRESENT and FINALIZE. 2018-06-16 Kugan Vivekanandarajah * c-typeck.c (build_unary_op): Handle ABSU_EXPR; * gimple-parser.c (c_parser_gimple_statement): Likewise. (c_parser_gimple_unary_expression): Likewise. 2018-06-15 Jakub Jelinek PR c/86093 * c-typeck.c (pointer_diff): Cast both pointers to unqualified types before doing POINTER_DIFF_EXPR. 2018-06-07 Marek Polacek PR c/85318 * c-decl.c (check_for_loop_decls): Add -Wc90-c99-compat warning about for loop initial declarations. 2018-05-30 David Pagan PR c/55976 * c-decl.c (grokdeclarator): Update check for return type warnings. (start_function): Likewise. (finish_function): Likewise. * c-typeck.c (c_finish_return): Update check for return type warnings. Pass OPT_Wreturn_type to pedwarn when appropriate. 2018-05-18 Richard Sandiford * gimple-parser.c (c_parser_gimple_postfix_expression): Remove __FMA_EXPR handlng. 2018-05-17 Richard Sandiford * gimple-parser.c: Include internal-fn.h. (c_parser_gimple_statement): Treat a leading CPP_DOT as a call. (c_parser_gimple_call_internal): New function. (c_parser_gimple_postfix_expression): Use it to handle CPP_DOT. Fix typos in comment. 2018-05-10 Jakub Jelinek PR c++/85662 * c-fold.c (c_fully_fold_internal): Use fold_offsetof rather than fold_offsetof_1, pass TREE_TYPE (expr) as TYPE to it and drop the fold_convert_loc. * c-typeck.c (build_unary_op): Use fold_offsetof rather than fold_offsetof_1, pass argtype as TYPE to it and drop the fold_convert_loc. 2018-05-02 David Pagan PR c/30552 * c-decl.c (old_style_parameter_scope): New function. * c-parser.c (c_parser_postfix_expression): Check for statement expressions in old-style function parameter list declarations. * c-parser.h (old_style_parameter_scope): New extern declaration. 2018-04-25 Jakub Jelinek PR sanitizer/84307 * c-decl.c (build_compound_literal): Call pushdecl (decl) even when it is not TREE_STATIC. * c-typeck.c (c_mark_addressable) : Mark not just the COMPOUND_LITERAL_EXPR node itself addressable, but also its COMPOUND_LITERAL_EXPR_DECL. 2018-03-21 Joseph Myers * c-parser.c (c_parser_postfix_expression): For __builtin_tgmath where all functions return the same _FloatN or _FloatNx type, treat integer types as _Float64 instead of double. 2018-03-21 Jakub Jelinek PR c/84999 * c-typeck.c (build_binary_op): If c_common_type_for_size fails when building vector comparison, diagnose it and return error_mark_node. 2018-03-15 Jakub Jelinek PR c/84853 * c-typeck.c (build_binary_op) : If code1 is INTEGER_TYPE, only allow code0 VECTOR_TYPE if it has INTEGER_TYPE element type. 2018-03-13 David Pagan PR c/46921 * c-typeck.c (output_init_element): Ensure field initializer expression is always evaluated if there are side effects. 2018-03-06 Jakub Jelinek PR c/84721 * c-parser.c (add_debug_begin_stmt): Don't add DEBUG_BEGIN_STMT if !building_stmt_list_p (). 2018-02-13 Richard Sandiford PR c/84305 * c-decl.c (grokdeclarator): Create an anonymous TYPE_DECL in PARM and TYPENAME contexts too, but attach it to a BIND_EXPR and include the BIND_EXPR in the list of things that need to be pre-evaluated. 2018-02-09 Nathan Sidwell PR c/84293 * c-typeck.c (build_indirect_ref, build_c_cast): Pass expr location to strict_aliasing_warning. 2018-02-02 Paolo Carlini * c-typeck.c (really_start_incremental_init, push_init_level, set_nonincremental_init, output_init_element, process_init_element): Use DECL_UNNAMED_BIT_FIELD. 2018-01-31 Marek Polacek PR c/81779 * c-parser.c (c_parser_compound_statement_nostart): Call expansion_point_location_if_in_system_header. 2018-01-17 David Malcolm PR c++/83814 * c-fold.c (fold_for_warn): Move from c-common.c, reducing to just the C part. 2018-01-13 Jakub Jelinek PR c/83801 * c-tree.h (decl_constant_value_1): Add a bool argument. * c-typeck.c (decl_constant_value_1): Add IN_INIT argument, allow returning a CONSTRUCTOR if it is true. Use error_operand_p. (decl_constant_value): Adjust caller. * c-fold.c (c_fully_fold_internal): If in_init, pass true to decl_constant_value_1 as IN_INIT. Otherwise, punt if decl_constant_value returns initializer that has BLKmode or array type. (c_fully_fold_internal) : Fold if !lval. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * c-typeck.c (comptypes_internal, build_binary_op): Handle polynomial TYPE_VECTOR_SUBPARTS. 2018-01-03 Jakub Jelinek Update copyright years. 2018-01-01 Jakub Jelinek PR c/83595 * c-parser.c (c_parser_braced_init, c_parser_initelt, c_parser_conditional_expression, c_parser_cast_expression, c_parser_sizeof_expression, c_parser_alignof_expression, c_parser_postfix_expression, c_parser_omp_declare_reduction, c_parser_transaction_expression): Use set_error () method instead of setting value member to error_mark_node. 2017-12-28 Michael Meissner * c-decl.c (header_for_builtin_fn): Add integer rounding _Float and _FloatX built-in functions. 2017-12-22 Jakub Jelinek PR debug/83550 * c-decl.c (finish_struct): Set DECL_SOURCE_LOCATION on TYPE_STUB_DECL and call rest_of_type_compilation before processing incomplete vars rather than after it. PR debug/83547 * c-typeck.c (c_finish_stmt_expr): Ignore !TREE_SIDE_EFFECTS as indicator of ({ }), instead skip all trailing DEBUG_BEGIN_STMTs first, and consider empty ones if there are no other stmts. For -Wunused-value walk all statements before the one only followed by DEBUG_BEGIN_STMTs. 2017-12-22 Mike Stump Eric Botcazou * c-parser.c (c_parser_while_statement): Add unroll parameter and build ANNOTATE_EXPR if present. Add 3rd operand to ANNOTATE_EXPR. (c_parser_do_statement): Likewise. (c_parser_for_statement): Likewise. (c_parser_statement_after_labels): Adjust calls to above. (c_parse_pragma_ivdep): New static function. (c_parser_pragma_unroll): Likewise. (c_parser_pragma) : Add support for pragma Unroll. : New case. 2017-12-19 Jakub Jelinek * c-typeck.c (comptypes_internal, function_types_compatible_p, perform_integral_promotions, digest_init): Replace Yoda conditions with typical order conditions. * c-decl.c (check_bitfield_type_and_width): Likewise. 2017-12-14 Bernd Edlinger * c-typeck.c (c_safe_arg_type_equiv_p, c_safe_function_type_cast_p): New function. (build_c_cast): Implement -Wcast-function-type. 2017-12-14 Richard Biener PR c/83415 * c-fold.c (c_fully_fold_internal): Treat VIEW_CONVERT_EXPR like REALPART_EXPR for the behavior of whether its operand is an lvalue. 2017-12-12 Marek Polacek PR c/82679 * c-decl.c (grokdeclarator): Check declspecs insted of atomicp. 2017-12-12 Alexandre Oliva * c-objc-common.h (LANG_HOOKS_EMITS_BEGIN_STMT): Redefine as true. * c-parser.c (add_debug_begin_stmt): New. (c_parser_declaration_or_fndef): Call it. (c_parser_compound_statement_nostart): Likewise. (c_parser_statement_after_labels): Likewise. * c-typeck (c_finish_stmt_expr): Skip begin stmts markers. 2017-12-07 Joseph Myers * c-decl.c (build_compound_literal): Add parameter alignas_align and set alignment of decl if nonzero. * c-parser.c (c_keyword_starts_typename): Allow RID_ALIGNAS. (c_parser_declspecs): Allow RID_ALIGNAS to follow a type, like a qualifier. (c_parser_struct_declaration): Update syntax comment. (c_parser_type_name): Add alignas_ok argument and pass it to c_parser_declspecs. (c_parser_cast_expression): Pass true to c_parser_type_name and give error if a cast used an _Alignas specifier. (c_parser_sizeof_expression): Pass true to c_parser_type_name and give error if sizeof (type-name) used an _Alignas specifier. (c_parser_alignof_expression): Pass true to c_parser_type_name and give error if _Alignof (type-name) used an _Alignas specifier. (c_parser_postfix_expression_after_paren_type): Check specified alignment for a compound literal and pass it to build_compound_literal. * c-parser.h (c_parser_type_name): Update prototype. * c-tree.h (build_compound_literal): Update prototype. 2017-12-07 Martin Sebor PR c/81544 * c-decl.c (c_decl_attributes): Look up existing declaration and pass it to decl_attributes. 2017-12-06 David Malcolm PR c/83236 * c-decl.c (lookup_name_fuzzy): Don't suggest names that are reserved for use by the implementation. 2017-12-06 David Malcolm * c-decl.c: Include "c-family/c-spellcheck.h". 2017-12-05 Martin Liska Jakub Jelinek * c-typeck.c (pointer_diff): Add new argument and instrument pointer subtraction. (build_binary_op): Similar for pointer comparison. 2017-12-01 Jakub Jelinek PR c/79153 * c-parser.c: Include tree-iterator.h. (c_parser_switch_statement): Emit LABEL_EXPR for the break label into SWITCH_BODY instead of after it and set SWITCH_BREAK_LABEL_P on it. PR c/83222 * c-tree.h (decl_constant_value_1): Declare. * c-typeck.c (decl_constant_value_1): New function. (decl_constant_value): Use it. * c-fold.c (c_fully_fold_internal): If in_init, use decl_constant_value_1 instead of decl_constant_value. 2017-11-30 Jakub Jelinek * c-parser.c (c_parser_postfix_expression): Use ; instead of ;;. 2017-11-28 Jakub Jelinek PR sanitizer/81275 * c-typeck.c (c_finish_case): Set SWITCH_ALL_CASES_P if c_switch_covers_all_cases_p returns true. 2017-11-28 Julia Koval Sebastian Peryt * Make-lang.in (c/c-array-notation.o): Remove. * c-array-notation.c: Delete. * c-decl.c: Remove cilkplus condition. * c-parser.c (c_parser_cilk_simd, c_parser_cilk_for, c_parser_cilk_verify_simd, c_parser_array_notation, c_parser_cilk_clause_vectorlength, c_parser_cilk_grainsize, c_parser_cilk_simd_fn_vector_attrs, c_finish_cilk_simd_fn_tokens): Delete. (c_parser_declaration_or_fndef): Remove cilkplus condition. (c_parser_direct_declarator_inner): Ditto. (CILK_SIMD_FN_CLAUSE_MASK): Delete. (c_parser_attributes, c_parser_compound_statement, c_parser_statement_after_labels, c_parser_if_statement, c_parser_switch_statement, c_parser_while_statement, c_parser_do_statement, c_parser_for_statement, c_parser_unary_expression, c_parser_postfix_expression, c_parser_postfix_expression_after_primary, c_parser_pragma, c_parser_omp_clause_name, c_parser_omp_all_clauses, c_parser_omp_for_loop, c_finish_omp_declare_simd): Remove cilkplus support. * c-typeck.c (build_array_ref, build_function_call_vec, convert_arguments, lvalue_p, build_compound_expr, c_finish_return, c_finish_if_stmt, c_finish_loop, build_binary_op): Remove cilkplus support. 2017-11-28 Jakub Jelinek * c-typeck.c (c_start_case): Build SWITCH_EXPR using build2 instead of build3. 2017-11-14 Boris Kolpackov * Make-lang.in (c.install-plugin): Install backend import library. 2017-11-23 Jakub Jelinek * c-parser.c (c_parser_omp_declare_simd): Reject declare simd in pragma_stmt context. 2017-11-23 Mike Stump Eric Botcazou * c-parser.c (c_parser_while_statement): Pass 3rd operand to ANNOTATE_EXPR. (c_parser_do_statement): Likewise. (c_parser_for_statement): Likewise. 2017-11-22 David Malcolm PR c++/62170 * c-objc-common.c (c_tree_printer): Convert penultimate param from bool to bool *. Within '%T' handling, if showing an "aka", use "quoted" param to add appropriate quoting. 2017-11-22 Marek Polacek PR c++/60336 PR middle-end/67239 PR target/68355 * c-decl.c (grokdeclarator): Set DECL_PADDING_P on unnamed bit-fields. 2017-11-21 David Malcolm PR c/83056 * c-decl.c (lookup_name_fuzzy): Don't suggest names that came from earlier failed lookups. 2017-11-21 Marc Glisse * c-fold.c (c_fully_fold_internal): Handle POINTER_DIFF_EXPR. * c-typeck.c (pointer_diff): Use POINTER_DIFF_EXPR. 2017-11-20 David Malcolm PR c/81404 * c-decl.c: Include "c-family/known-headers.h". (get_c_name_hint): Rename to get_stdlib_header_for_name and move to known-headers.cc. (class suggest_missing_header): Move to known-header.h. (lookup_name_fuzzy): Call get_c_stdlib_header_for_name rather than get_c_name_hint. 2017-11-20 David Malcolm * c-decl.c (get_c_name_hint): New function. (class suggest_missing_header): New class. (lookup_name_fuzzy): Call get_c_name_hint and use it to suggest missing headers to the user. 2017-11-20 David Malcolm * c-decl.c: Define INCLUDE_UNIQUE_PTR before including system.h. Include "c-family/name-hint.h" (implicit_decl_warning): Convert "hint" from const char * to name_hint. Pass location to lookup_name_fuzzy. Suppress any deferred diagnostic if the warning was not printed. (undeclared_variable): Likewise for "guessed_id". (lookup_name_fuzzy): Convert return type from const char * to name_hint. Add location_t param. * c-parser.c: Define INCLUDE_UNIQUE_PTR before including system.h. Include "c-family/name-hint.h" (c_parser_declaration_or_fndef): Convert "hint" from const char * to name_hint. Pass location to lookup_name_fuzzy. (c_parser_parameter_declaration): Likewise. 2017-11-19 Jakub Jelinek PR c/66618 PR c/69960 * c-parser.c (c_parser_omp_atomic): Pass true as LVAL to c_fully_fold where needed. * c-typeck.c (build_unary_op, build_modify_expr, build_asm_expr, handle_omp_array_sections): Likewise. (digest_init): Don't call decl_constant_value_for_optimization. * c-tree.h (decl_constant_value_for_optimization): Removed. * c-fold.c (c_fold_array_ref): New function. (c_fully_fold_internal): Add LVAL argument, propagate it through recursive calls. For VAR_P call decl_constant_value and unshare if not LVAL and either optimizing or IN_INIT. Remove decl_constant_value_for_optimization calls. If IN_INIT and not LVAL, fold ARRAY_REF with STRING_CST and INTEGER_CST operands. (c_fully_fold): Add LVAL argument, pass it through to c_fully_fold_internal. (decl_constant_value_for_optimization): Removed. 2017-11-15 Joseph Myers PR c/81156 * c-parser.c (check_tgmath_function): New function. (enum tgmath_parm_kind): New enum. (c_parser_postfix_expression): Handle __builtin_tgmath. 2017-10-31 David Malcolm * c-decl.c (implicit_decl_warning): Update for renaming of pedwarn_at_rich_loc and warning_at_rich_loc. (implicitly_declare): Likewise for renaming of inform_at_rich_loc. (undeclared_variable): Likewise for renaming of error_at_rich_loc. * c-parser.c (c_parser_declaration_or_fndef): Likewise. (c_parser_struct_or_union_specifier): Likewise for renaming of pedwarn_at_rich_loc. (c_parser_parameter_declaration): Likewise for renaming of error_at_rich_loc. * c-typeck.c (build_component_ref): Likewise. (build_unary_op): Likewise for renaming of inform_at_rich_loc. (pop_init_level): Likewise for renaming of warning_at_rich_loc. (set_init_label): Likewise for renaming of error_at_rich_loc. 2017-10-30 Richard Biener * gimple-parser.c (c_parser_gimple_statement): Parse conditional stmts. 2017-10-27 Michael Meissner * c-decl.c (header_for_builtin_fn): Add support for copysign, fma, fmax, fmin, and sqrt _Float and _FloatX variants. 2017-10-25 David Malcolm PR c/7356 * c-parser.c (c_parser_declaration_or_fndef): Detect missing semicolons. 2017-10-25 Jakub Jelinek PR libstdc++/81706 * c-decl.c (merge_decls): Copy "omp declare simd" attributes from newdecl to corresponding __builtin_ if any. 2017-10-24 Paolo Carlini PR c++/82466 * c-decl.c (diagnose_mismatched_decls): Use OPT_Wbuiltin_declaration_mismatch. 2017-10-12 David Malcolm * c-parser.c (c_parser_require): Add "type_is_unique" param and use it to guard calls to maybe_suggest_missing_token_insertion. (c_parser_parms_list_declarator): Override default value of new "type_is_unique" param to c_parser_require. (c_parser_asm_statement): Likewise. * c-parser.h (c_parser_require): Add "type_is_unique" param, defaulting to true. 2017-10-11 Nathan Sidwell * c-decl.c (grokdeclarator): Check HAS_DECL_ASSEMBLER_NAME_P too. 2017-10-10 Richard Sandiford * c-parser.c (c_parser_cilk_clause_vectorlength): Use wi::to_wide when operating on trees as wide_ints. * c-typeck.c (build_c_cast, c_finish_omp_clauses): Likewise. (c_tree_equal): Likewise. 2017-10-04 David Malcolm * c-decl.c (push_parm_decl): Store c_parm's location into the PARAM_DECL. (build_c_parm): Add "loc" param and store it within the c_parm. * c-parser.c (struct c_parser): Add "last_token_location" field. (c_parser_consume_token): Store location of the token into the new field. (c_parser_declaration_or_fndef): Store params into DECL_ARGUMENTS when handling a FUNCTION_DECL, if it doesn't already have them. (c_parser_parameter_declaration): Generate a location for the parameter, and pass it to the call to build_c_parm. * c-tree.h (struct c_parm): Add field "loc". (build_c_parm): Add location_t param. * c-typeck.c (get_fndecl_argument_location): New function. (inform_for_arg): New function. (convert_for_assignment): Use inform_for_arg when dealing with ic_argpass. 2017-09-29 Jakub Jelinek * c-decl.c (grokfield): Use SET_DECL_C_BIT_FIELD here if width is non-NULL. (finish_struct): Test DECL_C_BIT_FIELD instead of DECL_INITIAL, don't SET_DECL_C_BIT_FIELD here. PR c/82340 * c-decl.c (build_compound_literal): Use c_apply_type_quals_to_decl instead of trying to set just TREE_READONLY manually. 2017-09-16 Tom de Vries PR c/81875 * c-parser.c (c_parser_omp_for_loop): Fold only operands of cond, not cond itself. 2017-09-15 Joseph Myers PR c/82071 * c-typeck.c (ep_convert_and_check): Just call convert_and_check for C11. (build_conditional_expr): For C11, generate result with excess precision when one argument is an integer and the other is of a type using excess precision. 2017-09-15 Bernd Edlinger * c-typeck.c (build_c_cast): Implement -Wcast-align=strict. 2017-09-13 Marek Polacek PR c/82167 * c-typeck.c (c_expr_sizeof_expr): Use the type of expr.value rather than expr.original_type. 2017-09-12 Nathan Sidwell * c-decl.c (field_decl_cmp, resort_data, resort_field_decl_cmp, resort_sorted_fields): Moved from c-family/c-common.c. * c-lang.h (struct sorted_fields_type): Moved from c-family/c-common.h. 2017-09-01 Joseph Myers PR c/82071 * c-typeck.c (build_atomic_assign): Handle argument with excess precision. Ensure any EXCESS_PRECISION_EXPR is present in argument passed to build_binary_op and convert_for_assignment but not for call to c_fully_fold. (build_modify_expr): Do not remove EXCESS_PRECISION_EXPR early. Ensure build_binary_op is called with argument with original semantic type. Avoid calling c_fully_fold with an EXCESS_PRECISION_EXPR from build_binary_op. 2017-09-01 Jakub Jelinek PR c/81887 * c-parser.c (c_parser_omp_ordered): Handle -fopenmp-simd. 2017-08-30 Richard Sandiford Alan Hayward David Sherwood * c-typeck.c (build_binary_op): Use SCALAR_TYPE_MODE. (c_common_type): Likewise. Use as_a when setting m1 and m2 to the signed equivalent of a fixed-point SCALAR_TYPE_MODE. 2017-08-24 David Malcolm * c-tree.h (c_expr::get_location) Use EXPR_HAS_LOCATION rather than CAN_HAVE_LOCATION_P when determining whether to use the location_t value within "value". 2017-08-21 David Malcolm * c-parser.c (c_parser_expr_list): Use c_expr::get_location () rather than peeking the location of the first token. * c-tree.h (c_expr::get_location): New method. 2017-08-21 David Malcolm * c-typeck.c (build_function_call_vec): Pass arg_loc to call to check_function_arguments. 2017-08-18 Marek Polacek * c-parser.c (c_parser_postfix_expression): Remove unused code. Update commentary. 2017-08-18 H.J. Lu PR c/53037 * c-decl.c (merge_decls): Also merge DECL_WARN_IF_NOT_ALIGN. (check_bitfield_type_and_width): Don't allow bit-field with warn_if_not_aligned type. 2017-08-14 Martin Sebor PR c/81117 * c-objc-common.c (c_objc_common_init): Handle 'G'. 2017-08-11 Marek Polacek PR c/81795 * c-decl.c (pushtag): Only print inform if the warning was printed. (grokdeclarator): Likewise. 2017-08-10 David Malcolm * c-parser.c (c_parser_error): Rename to... (c_parser_error_richloc): ...this, making static, and adding "richloc" parameter, passing it to the c_parse_error call, rather than calling c_parser_set_source_position_from_token. (c_parser_error): Reintroduce, reimplementing in terms of the above, converting return type from void to bool. (class token_pair): New class. (struct matching_paren_traits): New struct. (matching_parens): New typedef. (struct matching_brace_traits): New struct. (matching_braces): New typedef. (get_matching_symbol): New function. (c_parser_require): Add param MATCHING_LOCATION, using it to highlight matching "opening" tokens for missing "closing" tokens. (c_parser_skip_until_found): Likewise. (c_parser_static_assert_declaration_no_semi): Convert explicit parsing of CPP_OPEN_PAREN and CPP_CLOSE_PAREN to use of class matching_parens, so that the pertinent open parenthesis is highlighted when there are problems locating the close parenthesis. (c_parser_struct_or_union_specifier): Likewise. (c_parser_typeof_specifier): Likewise. (c_parser_alignas_specifier): Likewise. (c_parser_simple_asm_expr): Likewise. (c_parser_braced_init): Likewise, for matching_braces. (c_parser_paren_condition): Likewise, for matching_parens. (c_parser_switch_statement): Likewise. (c_parser_for_statement): Likewise. (c_parser_asm_statement): Likewise. (c_parser_asm_operands): Likewise. (c_parser_cast_expression): Likewise. (c_parser_sizeof_expression): Likewise. (c_parser_alignof_expression): Likewise. (c_parser_generic_selection): Likewise. (c_parser_postfix_expression): Likewise for cases RID_VA_ARG, RID_OFFSETOF, RID_TYPES_COMPATIBLE_P, RID_AT_SELECTOR, RID_AT_PROTOCOL, RID_AT_ENCODE, reindenting as necessary. In case CPP_OPEN_PAREN, pass loc_open_paren to the c_parser_skip_until_found call. (c_parser_objc_class_definition): Use class matching_parens as above. (c_parser_objc_method_decl): Likewise. (c_parser_objc_try_catch_finally_statement): Likewise. (c_parser_objc_synchronized_statement): Likewise. (c_parser_objc_at_property_declaration): Likewise. (c_parser_oacc_wait_list): Likewise. (c_parser_omp_var_list_parens): Likewise. (c_parser_omp_clause_collapse): Likewise. (c_parser_omp_clause_default): Likewise. (c_parser_omp_clause_if): Likewise. (c_parser_omp_clause_num_threads): Likewise. (c_parser_omp_clause_num_tasks): Likewise. (c_parser_omp_clause_grainsize): Likewise. (c_parser_omp_clause_priority): Likewise. (c_parser_omp_clause_hint): Likewise. (c_parser_omp_clause_defaultmap): Likewise. (c_parser_oacc_single_int_clause): Likewise. (c_parser_omp_clause_ordered): Likewise. (c_parser_omp_clause_reduction): Likewise. (c_parser_omp_clause_schedule): Likewise. (c_parser_omp_clause_num_teams): Likewise. (c_parser_omp_clause_thread_limit): Likewise. (c_parser_omp_clause_aligned): Likewise. (c_parser_omp_clause_linear): Likewise. (c_parser_omp_clause_safelen): Likewise. (c_parser_omp_clause_simdlen): Likewise. (c_parser_omp_clause_depend): Likewise. (c_parser_omp_clause_map): Likewise. (c_parser_omp_clause_device): Likewise. (c_parser_omp_clause_dist_schedule): Likewise. (c_parser_omp_clause_proc_bind): Likewise. (c_parser_omp_clause_uniform): Likewise. (c_parser_omp_for_loop): Likewise. (c_parser_cilk_clause_vectorlength): Likewise. (c_parser_cilk_clause_linear): Likewise. (c_parser_transaction_expression): Likewise. * c-parser.h (c_parser_require): Add param matching_location with default UNKNOWN_LOCATION. (c_parser_error): Convert return type from void to bool. (c_parser_skip_until_found): Add param matching_location with default UNKNOWN_LOCATION. 2017-08-09 Marek Polacek * c-decl.c (build_enumerator): Use true/false instead of 1/0. * c-tree.h (build_external_ref): Update declaration. * c-typeck.c (build_array_ref): Use true/false instead of 1/0. (build_external_ref): Change the type of a parameter to bool. (parser_build_binary_op): Use true/false instead of 1/0. (pointer_diff): Likewise. (build_modify_expr): Likewise. (set_designator): Change the type of a parameter to bool. (set_init_index): Use true/false instead of 1/0. (set_init_label): Likewise. (output_init_element): Change the type of a parameter to bool. (output_pending_init_elements): Use true/false instead of 1/0. (process_init_element): Likewise. (build_binary_op): Change the type of a parameter to bool. 2017-08-09 Marek Polacek PR c/81233 * c-typeck.c (pedwarn_init): Make the function take a variable list. Call emit_diagnostic_valist instead of pedwarn. (convert_for_assignment): Unroll the PEDWARN_FOR_ASSIGNMENT macro. Print the relevant types in diagnostics. 2017-08-09 Marek Polacek PR c/81417 * c-array-notation.c (fix_builtin_array_notation_fn): Update calls to build_conditional_expr. * c-parser.c (c_parser_conditional_expression): Create locations for EXP1 and EXP2 from their source ranges. Pass the locations down to build_conditional_expr. * c-tree.h (build_conditional_expr): Update declaration. * c-typeck.c (build_conditional_expr): Add location_t parameters. For -Wsign-compare, also print the types. 2017-08-08 Martin Liska * c-convert.c: Include header files. * c-typeck.c: Likewise. 2017-08-07 Martin Liska * c-parser.c (c_parser_attributes): Canonicalize name of an attribute. 2017-08-02 Marek Polacek PR c/81289 * c-parser.c (c_parser_unary_expression): Use set_error. PR c/81448 PR c/81306 * c-warn.c (warn_for_multistatement_macros): Prevent bogus warnings. Avoid walking MACRO_MAP_LOCATIONS. 2017-07-31 Jan Hubicka Martin Liska * c-typeck.c (c_finish_goto_label): Build gimple predict statement. 2017-07-31 Martin Liska PR sanitize/81530 * c-convert.c (convert): Guard condition with flag_sanitize_p also with current_function_decl non-null equality. * c-decl.c (grokdeclarator): Likewise. * c-typeck.c (build_binary_op): Likewise. 2017-07-25 Marek Polacek * c-decl.c (grokfield): Remove local variable. 2017-07-25 Marek Polacek PR c/81364 * c-parser.c (c_parser_else_body): Don't warn about multistatement macro expansion if the body is in { }. (c_parser_while_statement): Likewise. (c_parser_for_statement): Likewise. 2017-07-18 Nathan Sidwell * c-parser.c (c_parser_array_notation): Use TYPE_{MIN,MAX}_VALUE. 2017-07-14 David Malcolm * c-decl.c (implicitly_declare): When suggesting a missing #include, provide a fix-it hint. 2017-07-06 David Malcolm * c-lang.c (selftest::run_c_tests): Move body to c_family_tests, and call that instead. * c-tree.h (selftest::run_c_tests): New decl. 2017-06-26 Marek Polacek PR c/80116 * c-parser.c (c_parser_if_body): Set the location of the body of the conditional after parsing all the labels. Call warn_for_multistatement_macros. (c_parser_else_body): Likewise. (c_parser_switch_statement): Likewise. (c_parser_while_statement): Likewise. (c_parser_for_statement): Likewise. (c_parser_statement): Add a default argument. Save the location after labels have been parsed. (c_parser_c99_block_statement): Likewise. 2017-06-19 Richard Biener * gimple-parser.c (c_parser_gimple_postfix_expression): Handle negated _Literals to parse _Literal (int) -1. 2017-06-13 Martin Liska PR sanitize/78204 * c-convert.c (convert): Use sanitize_flags_p. * c-decl.c (grokdeclarator): Likewise. * c-typeck.c (convert_for_assignment): Likewise. (c_finish_return): Likewise. (build_binary_op): Likewise. 2017-06-08 Jakub Jelinek PR c/81006 * c-typeck.c (handle_omp_array_sections_1): Convert TYPE_MAX_VALUE to sizetype before size_binop. 2017-06-07 Jakub Jelinek * gimple-parser.c (c_parser_parse_gimple_body): Use TDI_gimple instead of TDI_generic. 2017-06-06 Marek Polacek PR c/79983 * c-decl.c (start_struct): Use the location of TYPE_STUB_DECL of ref. (start_enum): Use the location of TYPE_STUB_DECL of enumtype. 2017-06-02 Bernd Edlinger * c-parser.c (c_parser_binary_expression): Implement the -Wsizeof_pointer_div warning. (c_parser_postfix_expression): Allow SIZEOF_EXPR as expr.original_code from a parenthesized expression. (c_parser_expr_list): Use c_last_sizeof_loc. * c-tree.h (c_last_sizeof_loc): New external. * c-typeck.c (c_last_sizeof_loc): New variable. (c_expr_sizeof_expr, c_expr_sizeof_type): Assign c_last_sizeof_loc. 2017-05-31 Mikhail Maltsev PR testsuite/80580 * gimple-parser.c (c_parser_gimple_if_stmt): Check for empty labels. 2017-05-30 David Malcolm * c-objc-common.c (c_tree_printer): Gain bool and const char ** parameters. 2017-05-24 Martin Sebor PR c/80731 * c-fold.c (c_fully_fold_internal): Adjust. * c-typeck.c (parser_build_unary_op): Adjust. 2017-05-23 Thomas Schwinge * c-parser.c (OACC_KERNELS_CLAUSE_MASK): Add "PRAGMA_OACC_CLAUSE_NUM_GANGS", "PRAGMA_OACC_CLAUSE_NUM_WORKERS", "VECTOR_LENGTH". 2017-05-23 Marek Polacek * c-parser.c (c_parser_compound_statement_nostart): Remove redundant quotes. 2017-05-22 Jakub Jelinek * c-fold.c (c_fully_fold_internal): Save the c_fully_fold_internal result for SAVE_EXPR operand and set SAVE_EXPR_FOLDED_P even if it returned invariant. Call tree_invariant_p unconditionally afterwards to decide whether to return expr or op0. 2017-05-22 Nathan Sidwell * c-decl.c (c_parse_final_cleanups): Drop TDI_tu handling. 2017-05-19 Thomas Schwinge * c-parser.c (c_parser_omp_clause_default): Handle "OMP_CLAUSE_DEFAULT_PRESENT". 2017-05-18 Bernd Edlinger * config-lang.in (gtfiles): Add c-family/c-format.c. 2017-05-18 Nathan Sidwell * c-decl.c (pushdecl_top_level): Delete unused function. 2017-05-18 Marek Polacek * c-decl.c (match_builtin_function_types): Use NULL_TREE instead of 0. (check_earlier_gotos): Likewise. (define_label): Likewise. (pending_xref_error): Likewise. (smallest_type_quals_location): Likewise. (grokdeclarator): Likewise. (grokparms): Likewise. (identifier_global_value): Likewise. * c-typeck.c (set_nonincremental_init_from_string): Likewise. (find_init_member): Likewise. 2017-05-18 Marek Polacek * c-decl.c (start_decl): Use false/true instead of 0/1. (grokdeclarator): Likewise. (finish_struct): Likewise. (start_function): Change the return type to bool. Use false/true instead of 0/1. (declspecs_add_qual): Use UNKNOWN_LOCATION instead of 0. * c-tree.h (start_function): Update. * c-typeck.c (same_translation_unit_p): Change the return type to bool. (set_designator): Change the return type to bool. Use false/true instead of 0/1. 2017-05-17 Marek Polacek * c-decl.c: Use NULL_TREE instead of 0 where appropriate. * c-typeck.c: Likewise. 2017-05-17 Marek Polacek PR sanitizer/80659 * c-decl.c (build_compound_literal): Set DECL_ARTIFICIAL and DECL_IGNORED_P even for non-static compound literals. 2017-05-17 Martin Liska * c-decl.c (c_parse_final_cleanups): Introduce dump_flags_t type and use it instead of int type. 2017-05-17 Marek Polacek * c-convert.c (convert): Replace c_save_expr with save_expr. Don't call c_fully_fold. (convert) : Remove special handling of COMPLEX_TYPEs. * c-decl.c (grokdeclarator): Replace c_save_expr with save_expr. * c-fold.c (c_fully_fold_internal): Handle SAVE_EXPR. * c-parser.c (c_parser_declaration_or_fndef): Replace c_save_expr with save_expr. (c_parser_conditional_expression): Likewise. * c-tree.h (SAVE_EXPR_FOLDED_P): Define. * c-typeck.c (build_modify_expr): Replace c_save_expr with save_expr. (process_init_element): Likewise. (build_binary_op): Likewise. (handle_omp_array_sections_1): Likewise. 2017-05-12 Thomas Schwinge * c-parser.c (c_parser_omp_clause_num_gangs) (c_parser_omp_clause_num_workers) (c_parser_omp_clause_vector_length): Merge functions into... (c_parser_oacc_single_int_clause): ... this new function. Adjust all users. 2017-05-11 Nathan Sidwell * gimple-parser.c: Don't #include tree-dump.h. 2017-05-11 Mikhail Maltsev PR testsuite/80580 * gimple-parser.c (c_parser_parse_ssa_name): Validate SSA name base. 2017-05-11 Mikhail Maltsev PR testsuite/80580 * gimple-parser.c (c_parser_gimple_postfix_expression): Handle incorrect __MEM syntax. 2017-05-11 Mikhail Maltsev PR testsuite/80580 * gimple-parser.c (c_parser_gimple_unary_expression): Check argument type of unary '*'. 2017-05-09 Nathan Sidwell * c-tree.h (pushdecl): Declare. 2017-05-05 David Malcolm * c-decl.c (warn_defaults_to): Replace report_diagnostic with diagnostic_report_diagnostic. * c-errors.c (pedwarn_c99): Likewise. (pedwarn_c90): Likewise. 2017-05-01 Xi Ruoyao PR c++/80038 * c-gimplify.c (c_gimplify_expr): Remove calls to cilk_gimplifY_call_params_in_spawned_fn. 2017-04-25 David Malcolm * c-parser.c (c_parser_struct_or_union_specifier): Add fix-it hint for removing extra semicolon. 2017-04-21 Jakub Jelinek PR c/80468 * c-decl.c (finish_declspecs) : If int_n_idx is not enabled, set specs->type to integer_type_node. 2017-04-03 Jonathan Wakely * c-array-notation.c: Fix typo in comment. 2017-03-29 Marek Polacek PR c/79730 * c-decl.c (finish_decl): Check VAR_P. 2017-03-27 Jakub Jelinek PR middle-end/80162 * c-tree.h (c_mark_addressable): Add array_ref_p argument. * c-typeck.c (c_mark_addressable): Likewise. Look through VIEW_CONVERT_EXPR unless array_ref_p and VCE is from VECTOR_TYPE to ARRAY_TYPE. (build_array_ref): Pass true as array_ref_p to c_mark_addressable. 2017-03-23 Marek Polacek * c-tree.h: Remove a C_RID_YYCODE reference. 2017-03-21 Jakub Jelinek PR c/80097 * c-typeck.c (build_binary_op): Add EXCESS_PRECISION_EXPR only around optional COMPOUND_EXPR with ubsan instrumentation. 2017-03-17 Marek Polacek * c-parser.c: Add C11 references. 2017-03-15 Marek Polacek * c-parser.c (c_parser_enum_specifier): Remove redundant line. 2017-03-11 Marek Polacek * c-decl.c (implicit_decl_warning): Add a comment. Fix formatting. 2017-03-10 David Malcolm PR translation/79848 * c-decl.c (declspecs_add_type): Simplify uses of "%<%s%>" to "%qs". * c-parser.c (c_parser_oacc_shape_clause): Likewise. 2017-03-09 Marek Polacek PR sanitizer/79757 * c-parser.c (c_parser_declaration_or_fndef): Don't sanitize old-style parameter declarations with initializers. 2017-03-09 Jakub Jelinek PR c/79969 * c-decl.c (start_enum): Adjust DECL_SOURCE_LOCATION of TYPE_STUB_DECL. 2017-03-07 Jakub Jelinek PR c/79834 * c-parser.c (c_parser_pragma): Use error_at instead of c_parser_error for "may only be used in compound statements" diagnostics, change it such that the same translatable string is used for all pragmas. For PRAGMA_OACC_WAIT use "acc wait" rather than "acc enter data" in the diagnostics. (c_parser_omp_cancellation_point, c_parser_omp_target_update, c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): Change "may only be used in compound statements" diagnostics, such that the same translatable string is used for all pragmas. 2017-03-04 Marek Polacek PR c/79847 * c-decl.c (implicit_decl_warning): Add missing space. 2017-03-03 Marek Polacek PR c/79758 * c-decl.c (store_parm_decls_oldstyle): Check if the element of current_function_prototype_arg_types is error_mark_node. Fix formatting. Use TREE_VALUE instead of TREE_TYPE. 2017-03-03 Jakub Jelinek PR c/79837 * c-parser.c (c_parser_omp_clause_reduction): Don't mention % or % in the diagnostics, instead mention identifier. (c_parser_omp_declare_reduction): Don't mention % in the diagnostics. PR c/79836 * c-parser.c (c_parser_generic_selection): Use %<_Generic%> instead of %<_Generic>. (c_parser_omp_ordered): Use % instead of %. (c_parser_omp_target_exit_data): Use % instead of %. 2017-02-28 Jakub Jelinek * c-parser.c (c_parser_asm_statement): Use cond ? G_("...") : G_("...") instead of just cond ? "..." : "...". (c_parser_oacc_enter_exit_data): Use %s and ternary operator only for "enter"/"exit" keyword. (c_finish_oacc_routine): Don't use %s to supply portions of the message. 2017-02-24 Jakub Jelinek PR c++/79588 * c-parser.c (c_parser_postfix_expression_after_primary): Don't handle -Wrestrict here. * c-typeck.c (build_function_call_vec): Adjust check_function_arguments caller. 2017-02-23 Richard Biener PR c/79684 * gimple-parser.c (c_parser_gimple_statement): Use set_error to initialize c_exprs to return. (c_parser_gimple_binary_expression): Likewise. (c_parser_gimple_unary_expression): Likewise. (c_parser_gimple_postfix_expression): Likewise. 2017-02-22 Marek Polacek PR c/79662 * c-typeck.c (convert_arguments): Handle error_mark_node. 2017-02-19 Prathamesh Kulkarni * gimple-parser.c (c_parser_gimple_postfix_expression): Check return value of c_parser_parse_ssa_name against error_mark_node and emit error if ssa name is anonymous and written as default definition. 2017-02-19 Prathamesh Kulkarni * gimple-parser.c (c_parser_gimple_postfix_expression): Handle FMA_EXPR. 2017-02-16 Jakub Jelinek PR c++/79512 * c-parser.c (c_parser_omp_target): For -fopenmp-simd ignore #pragma omp target even when not followed by identifier. 2017-02-14 Prathamesh Kulkarni * gimpler-parser.c (c_parser_gimple_statement): Handle ABS_EXPR. (c_parser_gimple_unary_expression): Likewise. 2017-02-13 Jakub Jelinek * c-parser.c (c_parser_oacc_declare): Add missing space in diagnostics. 2017-02-13 Prathamesh Kulkarni PR c/79478 * gimple-parser.c (c_parser_gimple_postfix_expression): Call set_c_expr_source_range when parsing ssa-name. 2017-02-10 Prasad Ghangal Richard Biener * gimple-parser.c (c_parser_gimple_binary_expression): Avoid building IL when arguments are error_mark_node. (c_parser_gimple_unary_expression): Likewise. (c_parser_gimple_if_stmt): Likewise. (c_parser_gimple_switch_stmt): Likewise. (c_parser_gimple_return_stmt): Likewise. (c_parser_parse_ssa_name): When name lookup fails do not build an SSA name. Use undeclared rather than not declared in error reporting. 2017-02-09 Marek Polacek PR c/79428 * c-parser.c (c_parser_omp_ordered): Call c_parser_skip_to_pragma_eol instead of c_parser_skip_until_found. 2017-02-09 Jakub Jelinek PR c/79431 * c-parser.c (c_parser_omp_declare_target): Don't invoke symtab_node::get on automatic variables. 2016-02-09 Nathan Sidwell Chung-Lin Tang * c-parser.c (c_parser_omp_clause_collapse): Disallow tile. (c_parser_oacc_clause_tile): Disallow collapse. Fix parsing and semantic checking. * c-parser.c (c_parser_omp_for_loop): Accept tiling constructs. 2017-02-07 Richard Biener * gimple-parser.c (c_parser_gimple_expr_list): Simplify. (c_parser_gimple_postfix_expression_after_primary): Do not use c_build_function_call_vec to avoid folding and promotion. Simplify. 2017-01-25 Maxim Ostapenko PR lto/79061 * c-decl.c (pop_scope): Pass main_input_filename to build_translation_unit_decl. 2017-01-24 David Malcolm * c-parser.c: Include "read-rtl-function.h" and "run-rtl-passes.h". (c_parser_declaration_or_fndef): Rename "gimple-pass-list" in grammar to gimple-or-rtl-pass-list. Add rtl-function-definition production. Update for renaming of field "gimple_pass" to "gimple_or_rtl_pass". If __RTL was seen, call c_parser_parse_rtl_body. Convert a timevar_push/pop pair to an auto_timevar, to cope with early exit. (c_parser_declspecs): Update RID_GIMPLE handling for renaming of field "gimple_pass" to "gimple_or_rtl_pass", and for renaming of c_parser_gimple_pass_list to c_parser_gimple_or_rtl_pass_list. Handle RID_RTL. (c_parser_parse_rtl_body): New function. * c-tree.h (enum c_declspec_word): Add cdw_rtl. (struct c_declspecs): Rename field "gimple_pass" to "gimple_or_rtl_pass". Add field "rtl_p". * gimple-parser.c (c_parser_gimple_pass_list): Rename to... (c_parser_gimple_or_rtl_pass_list): ...this, updating accordingly. * gimple-parser.h (c_parser_gimple_pass_list): Rename to... (c_parser_gimple_or_rtl_pass_list): ...this. 2017-01-20 Marek Polacek PR c/64279 * c-typeck.c (build_conditional_expr): Warn about duplicated branches. 2017-01-13 Richard Biener * gimple-parser.c (c_parser_gimple_compound_statement): Handle nops. 2017-01-13 Richard Biener * gimple-parser.c (c_parser_gimple_postfix_expression): Parse _Literal ( type-name ) number. 2017-01-12 Richard Biener * gimple-parser.c (c_parser_gimple_postfix_expression): Parse __MEM. 2017-01-11 Jakub Jelinek PR c++/72813 * c-decl.c (pop_file_scope): Set flag_syntax_only to 1 after writing PCH file. 2017-01-11 Richard Biener PR bootstrap/79052 * gimple-parser.c (c_parser_gimple_switch_stmt): Add missing returns on parse errors. 2017-01-04 Marek Polacek PR c++/64767 * c-parser.c (c_parser_postfix_expression): Mark zero character constants by setting original_type in c_expr. * c-typeck.c (parser_build_binary_op): Warn when a pointer is compared with a zero character constant. (char_type_p): New function. 2017-01-04 David Malcolm * c-parser.c (c_parser_declaration_or_fndef): Create a rich_location at init_loc and parse it to start_init. (last_init_list_comma): New global. (c_parser_braced_init): Update last_init_list_comma when parsing commas. Pass it to pop_init_level. Pass location of closing brace to pop_init_level. (c_parser_postfix_expression_after_paren_type): Create a rich_location at type_loc and parse it to start_init. (c_parser_omp_declare_reduction): Likewise for loc. * c-tree.h (start_init): Add rich_location * param. (pop_init_level): Add location_t param. * c-typeck.c (struct initializer_stack): Add field "missing_brace_richloc". (start_init): Add richloc param, use it to initialize the stack node's missing_brace_richloc. (last_init_list_comma): New decl. (finish_implicit_inits): Pass last_init_list_comma to pop_init_level. (push_init_level): When finding missing open braces, add fix-it hints to the richloc. (pop_init_level): Add "insert_before" param and pass it when calling pop_init_level. Add fixits about missing close braces to any richloc. Use the richloc for the -Wmissing-braces warning. (set_designator): Pass last_init_list_comma to pop_init_level. (process_init_element): Likewise. 2017-01-01 Jakub Jelinek Update copyright years. 2016-12-21 Jakub Jelinek PR bootstrap/78817 * c-typeck.c (build_function_call_vec): If check_function_arguments returns true, set TREE_NO_WARNING on CALL_EXPR. PR c/77767 * c-decl.c (grokdeclarator): If *expr is non-NULL, append expression to *expr instead of overwriting it. 2016-12-20 Richard Biener * gimple-parser.c (c_parser_gimple_compound_statement): Improve error recovery. (c_parser_gimple_statement): Only build assigns for non-error stmts. (c_parser_gimple_postfix_expression_after): Improve error recovery. 2016-12-14 Martin Jambor * c-parser.c: Include omp-general.h and omp-offload.h instead of omp-low.h. (c_finish_oacc_routine): Adjusted call to get_oacc_fn_attrib, build_oacc_routine_dims and replace_oacc_fn_attrib to use their new names. (c_parser_oacc_enter_exit_data): Adjusted call to find_omp_clause to use its new name. (c_parser_oacc_update): Likewise. (c_parser_omp_simd): Likewise. (c_parser_omp_target_update): Likewise. * c-typeck.c: Include omp-general.h instead of omp-low.h. (c_finish_omp_cancel): Adjusted call to find_omp_clause to use its new name. (c_finish_omp_cancellation_point): Likewise. * gimple-parser.c: Do not include omp-low.h 2016-12-02 Cesar Philippidis James Norris * c-parser.c (c_parser_pragma): Error when PRAGMA_OACC_{ENTER_DATA, EXIT_DATA,WAIT} are not used in compound statements. (c_parser_oacc_enter_exit_data): Update diagnostics. 2016-11-21 Bernd Edlinger PR c++/71973 * c-decl.c (diagnose_mismatched_decls): Use OPT_Wbuiltin_declaration_mismatch here too. 2016-11-18 Richard Sandiford Alan Hayward David Sherwood * c-decl.c (merge_decls): Use SET_DECL_MODE. (make_label, finish_struct): Likewise. 2016-11-14 Prasad Ghangal Richard Biener * Make-lang.in (C_AND_OBJC_OBJS): Add gimple-parser.o. * config-lang.in (gtfiles): Add c/c-parser.h. * c-tree.h (enum c_declspec_word): Add cdw_gimple. (struct c_declspecs): Add gimple_pass member and gimple_p flag. * c-parser.c (enum c_id_kind, struct c_token, c_parser_next_token_is, c_parser_next_token_is_not, c_parser_next_token_is_keyword, enum c_lookahead_kind, enum c_dtr_syn, enum c_parser_prec): Split out to ... * c-parser.h: ... new header. * c-parser.c: Include c-parser.h and gimple-parser.h. (c_parser_peek_token, c_parser_peek_2nd_token, c_token_starts_typename, c_parser_next_token_starts_declspecs, c_parser_next_tokens_start_declaration, c_parser_consume_token, c_parser_error, c_parser_require, c_parser_skip_until_found, c_parser_declspecs, c_parser_declarator, c_parser_peek_nth_token, c_parser_type_name): Export. (c_parser_tokens_buf): New function. (c_parser_error): Likewise. (c_parser_set_error): Likewise. (c_parser_declspecs): Handle RID_GIMPLE. (c_parser_declaration_or_fndef): Parse __GIMPLE marked body via c_parser_parse_gimple_body. * c-parser.h (c_parser_peek_token, c_parser_peek_2nd_token, c_token_starts_typename, c_parser_next_token_starts_declspecs, c_parser_next_tokens_start_declaration, c_parser_consume_token, c_parser_error, c_parser_require, c_parser_skip_until_found, c_parser_declspecs, c_parser_declarator, c_parser_peek_nth_token, c_parser_type_name): Declare. (struct c_parser): Declare forward. (c_parser_tokens_buf): Declare. (c_parser_error): Likewise. (c_parser_set_error): Likewise. * gimple-parser.c: New file. * gimple-parser.h: Likewise. 2016-11-13 Prathamesh Kulkarni PR c/35503 * c-parser.c (c_parser_postfix_expression_after_primary): Call warn_for_restrict. 2016-09-11 Le-Chun Wu Mark Wielaard * c-decl.c (warn_if_shadowing): Use the warning code corresponding to the given -Wshadow= variant. 2016-10-13 Thomas Preud'homme * c-typeck.c: Include memmodel.h. 2016-10-13 Jakub Jelinek PR target/77957 * c-objc-common.h (LANG_HOOKS_GETDECLS): Use hook_tree_void_null instead of lhd_return_null_tree_v. 2016-10-07 Bernd Schmidt PR c++/69733 * c-decl.c (smallest_type_quals_location): New static function. (grokdeclarator): Try to find the correct location for an ignored qualifier. 2016-09-26 Marek Polacek PR c/7652 * c-decl.c (pop_scope): Add gcc_fallthrough. 2016-09-26 Marek Polacek PR c/7652 * c-parser.c (struct c_token): Add flags field. (c_lex_one_token): Pass it to c_lex_with_flags. (c_parser_declaration_or_fndef): Turn __attribute__((fallthrough)); into IFN_FALLTHROUGH. (c_parser_label): Set FALLTHROUGH_LABEL_P on labels. Handle attribute fallthrough after a case label or default label. (c_parser_statement_after_labels): Handle RID_ATTRIBUTE. 2016-09-24 Marek Polacek PR c/77490 * c-typeck.c (build_unary_op): Warn about bit not on expressions that have boolean value. Warn about ++/-- on booleans. 2016-09-23 Jakub Jelinek * c-parser.c (incomplete_record_decls): Remove unnecessary = vNULL initialization of file scope vec. 2016-09-16 Marek Polacek * c-typeck.c (lvalue_p): Use true and false instead of 1 and 0. 2016-09-14 Marek Polacek * c-array-notation.c (create_cmp_incr): Use false instead of 0. (fix_array_notation_expr): Likewise. * c-decl.c (finish_decl): Likewise. * c-parser.c (c_parser_postfix_expression_after_primary): Likewise. * c-typeck.c (array_to_pointer_conversion): Use true instead of 1. (function_to_pointer_conversion): Use false instead of 0. (convert_lvalue_to_rvalue): Likewise. (parser_build_unary_op): Likewise. (build_atomic_assign): Likewise. (build_unary_op): Change nonconvert parameter type to bool, use true/false instead of 1/0. (build_binary_op): Use true instead of 1. 2016-09-13 David Malcolm * c-parser.c (c_parser_declaration_or_fndef): Update for renaming of add_fixit_insert to add_fixit_insert_before. 2016-09-13 Marek Polacek * c-typeck.c (build_unary_op): Rename FLAG parameter to NOCONVERT. Use it. 2016-09-12 Bernd Edlinger PR c++/77496 * c-parser.c (c_parser_conditional_expression): Pass the rightmost COMPOUND_EXPR to warn_for_omitted_condop. 2016-09-07 David Malcolm * c-lang.c (LANG_HOOKS_GET_SUBSTRING_LOCATION): Use c_get_substring_location for this new langhook. 2016-09-02 Jakub Jelinek PR c/65467 * c-parser.c (c_parser_declspecs): Don't sorry about _Atomic if flag_openmp. (c_parser_omp_variable_list): Use convert_lvalue_to_rvalue instead of mark_exp_read on low_bound/length expression. (c_parser_omp_clause_num_gangs, c_parser_omp_clause_num_threads, c_parser_omp_clause_num_tasks, c_parser_omp_clause_grainsize, c_parser_omp_clause_priority, c_parser_omp_clause_hint, c_parser_omp_clause_num_workers, c_parser_oacc_shape_clause, c_parser_oacc_clause_tile, c_parser_omp_clause_schedule, c_parser_omp_clause_vector_length, 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_device, c_parser_omp_clause_dist_schedule): Use convert_lvalue_to_rvalue instead of mark_expr_read. (c_parser_omp_declare_reduction): Reject _Atomic qualified types. * c-objc-common.h (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP): Redefine. * c-tree.h (c_omp_clause_copy_ctor): New prototype. * c-typeck.c (handle_omp_array_sections_1): Diagnose _Atomic qualified array section bases outside of depend clause, for depend clause use convert_lvalue_to_rvalue on the base. (c_finish_omp_clauses): Reject _Atomic qualified vars in reduction, linear, aligned, map, to and from clauses. (c_omp_clause_copy_ctor): New function. 2016-09-01 Marek Polacek PR c/7652 * c-typeck.c (composite_type): Add FALLTHRU comment. 2016-08-31 David Malcolm * c-parser.c (c_parser_declaration_or_fndef): Add trailing space to the insertion fixits for "struct", "union", and "enum". 2016-08-30 David Malcolm * c-decl.c (implicit_decl_warning): Use add_fixit_replace rather than add_fixit_misspelled_id. (undeclared_variable): Likewise. * c-parser.c (c_parser_declaration_or_fndef): Likewise. Remove now-redundant "here" params from add_fixit_insert method calls. (c_parser_parameter_declaration): Likewise. * c-typeck.c (build_component_ref): Remove now-redundant range param from add_fixit_replace method calls. 2016-08-25 Marek Polacek * c-typeck.c (parser_build_binary_op): Pass LHS to warn_logical_not_parentheses. 2016-08-25 Marek Polacek PR c/77323 * c-decl.c (declspecs_add_type): Set typespec_word even when __intN or _FloatN or _FloatNx is not supported. (finish_declspecs): Set type to integer_type_node when _FloatN or _FloatNx is not supported. 2016-08-19 Joseph Myers PR c/32187 * c-tree.h (cts_floatn_nx): New enum c_typespec_keyword value. (struct c_declspecs): Add field floatn_nx_idx. * c-decl.c (declspecs_add_type, finish_declspecs): Handle _FloatN and _FloatNx type specifiers. * c-parser.c (c_keyword_starts_typename, c_token_starts_declspecs) (c_parser_declspecs, c_parser_attribute_any_word) (c_parser_objc_selector): Use CASE_RID_FLOATN_NX. * c-typeck.c (c_common_type): Handle _FloatN and _FloatNx types. (convert_arguments): Avoid promoting _FloatN and _FloatNx types narrower than double. 2016-08-12 Jakub Jelinek Martin Liska PR c/67410 * c-typeck.c (set_nonincremental_init_from_string): Use / instead of % to determine val element to change. Assert that wchar_bytes * charwidth fits into val array. 2016-08-12 Marek Polacek PR c/7652 * c-parser.c (c_parser_external_declaration): Add FALLTHRU. (c_parser_postfix_expression): Likewise. * c-typeck.c (build_unary_op): Adjust fall through comment. (c_mark_addressable): Likewise. 2016-08-11 Jakub Jelinek PR c/72816 * c-decl.c (grokdeclarator): When adding TYPE_DOMAIN for flexible array member through typedef, for orig_qual_indirect == 0 clear orig_qual_type. 2016-08-08 David Malcolm PR c/64955 * c-lang.c (LANG_HOOKS_RUN_LANG_SELFTESTS): If CHECKING_P, wire this up to selftest::run_c_tests. (selftest::run_c_tests): New function. 2016-08-04 Thomas Schwinge * c-parser.c (struct oacc_routine_data): Add error_seen and fndecl_seen members. (c_finish_oacc_routine): Use these. (c_parser_declaration_or_fndef): Adjust. (c_parser_oacc_routine): Likewise. Support more C language constructs, and improve diagnostics. Move pragma context checking... (c_parser_pragma): ... here. * c-parser.c (struct oacc_routine_data): New. (c_parser_declaration_or_fndef, c_parser_oacc_routine): Use it. Simplify code. (c_finish_oacc_routine): Likewise. Don't attach clauses to "omp declare target" attribute. 2016-08-01 Jan Beulich * c-fold.c (c_fully_fold_internal): Also emit shift count warnings for vector types. * c-typeck.c (build_binary_op): Likewise. 2016-07-29 Marek Polacek PR c/71742 * c-decl.c (finish_struct): Rephrase an error message. PR c/71853 * c-parser.c (c_parser_switch_statement): Initialize ce.original_type to error node for invalid code. PR c/71573 * c-decl.c (implicitly_declare): Return decl early not only for error_mark_nodes, but for anything that is not a FUNCTION_DECL. 2016-07-29 Jakub Jelinek PR c/71969 * c-decl.c (finish_function): Only set DECL_DISREGARD_INLINE_LIMITS on GNU extern inline functions. 2016-07-29 Marek Polacek PR c/71583 * c-parser.c (c_parser_postfix_expression_after_paren_type): Also check expr.value. 2016-07-22 Uros Bizjak * c-typeck.c: Use HOST_WIDE_INT_1 instead of (HOST_WIDE_INT) 1, 2016-07-20 David Malcolm * c-decl.c (struct edit_distance_traits): Move to spellcheck-tree.h (best_macro_match): Likewise, converting from a typedef to a subclass. (find_closest_macro_cpp_cb): Move to spellcheck-tree.c. (lookup_name_fuzzy): Update for change of best_macro_match to a subclass with a ctor that calls cpp_forall_identifiers. 2016-07-20 David Malcolm * c-decl.c (implicit_decl_warning): Update for conversion of return type of lookup_name_fuzzy to const char *. (undeclared_variable): Likewise. (lookup_name_fuzzy): Convert return type from tree to const char *. * c-parser.c (c_parser_declaration_or_fndef): Update for conversion of return type of lookup_name_fuzzy to const char *. (c_parser_parameter_declaration): Likewise. 2016-07-15 Cesar Philippidis * c-parser.c (c_parser_oacc_declare): Don't scan for GOMP_MAP_POINTER. * c-typeck.c (handle_omp_array_sections): Mark data clauses with GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having zero-length subarrays. 2016-07-15 Jakub Jelinek PR c/71858 * c-decl.c (implicit_decl_warning): Use FUZZY_LOOKUP_FUNCTION_NAME instead of FUZZY_LOOKUP_NAME. (lookup_name_fuzzy): For FUZZY_LOOKUP_FUNCTION_NAME consider FUNCTION_DECLs, {VAR,PARM}_DECLs function pointers and macros. 2016-07-14 Jakub Jelinek PR c/71858 * c-decl.c (lookup_name_fuzzy): Ignore binding->invisible. 2016-07-12 Trevor Saunders * c-parser.c (c_parser_generic_selection): Make type of variable auto_vec. (c_parser_omp_declare_simd): Likewise. 2016-07-12 Trevor Saunders * c-decl.c (struct c_struct_parse_info): Change member types from vec to auto_vec. (start_struct): Adjust. (finish_struct): Likewise. 2016-07-02 Jakub Jelinek PR c/71719 * c-typeck.c (mark_exp_read): Handle VIEW_CONVERT_EXPR. 2016-06-29 Thomas Schwinge * c-parser.c (c_parser_pragma) : Move pragma context checking into... (c_parser_omp_cancellation_point): ... here, and improve diagnostic messages. * c-typeck.c (c_finish_omp_cancel) (c_finish_omp_cancellation_point): Improve diagnostic messages. 2016-06-29 Jakub Jelinek PR c/71685 * c-typeck.c (c_build_qualified_type): Don't clear C_TYPE_INCOMPLETE_VARS for the main variant. 2016-06-28 Martin Sebor PR c/71552 * c-typeck.c (output_init_element): Diagnose incompatible types before non-constant initializers. 2016-06-28 Jakub Jelinek * Make-lang.in: Don't cat ../stage_current if it does not exist. 2016-06-23 Andi Kleen * Make-lang.in: Add support for autofdo. 2016-06-22 David Malcolm PR c/70339 * c-decl.c: Include spellcheck-tree.h and gcc-rich-location.h. (implicit_decl_warning): When issuing warnings for implicit declarations, attempt to provide a suggestion via lookup_name_fuzzy. (undeclared_variable): Likewise when issuing errors. (lookup_name_in_scope): Likewise. (struct edit_distance_traits): New struct. (best_macro_match): New typedef. (find_closest_macro_cpp_cb): New function. (lookup_name_fuzzy): New function. * c-parser.c: Include gcc-rich-location.h. (c_token_starts_typename): Split out case CPP_KEYWORD into... (c_keyword_starts_typename): ...this new function. (c_parser_declaration_or_fndef): When issuing errors about missing "struct" etc, add a fixit. For other kinds of errors, attempt to provide a suggestion via lookup_name_fuzzy. (c_parser_parms_declarator): When looking ahead to detect typos in type names, also reject CPP_KEYWORD. (c_parser_parameter_declaration): When issuing errors about unknown type names, attempt to provide a suggestion via lookup_name_fuzzy. * c-tree.h (c_keyword_starts_typename): New prototype. 2016-06-20 Joseph Myers PR c/71601 * c-typeck.c (build_conditional_expr): Return error_mark_node if c_common_type returns error_mark_node. 2016-06-19 Martin Sebor PR c/69507 * c-parser.c (c_parser_alignof_expression): Avoid diagnosing __alignof__ (expression). 2016-06-14 David Malcolm * c-typeck.c: Include spellcheck-tree.h rather than spellcheck.h. 2016-06-14 David Malcolm * c-typeck.c (build_component_ref): Simplify fixit code by using gcc_rich_location::add_fixit_misspelled_id. (set_init_label): Likewise. 2016-06-13 David Malcolm * c-parser.c (c_parser_initelt): Provide location of name for new location_t param of set_init_label. * c-tree.h (set_init_label): Add location_t param. * c-typeck.c (set_init_index): Add "fieldname_loc" location_t param and use it when issuing error messages about unrecognized field names. Attempt to provide a fixit hint if appropriate, otherwise update the error message to provide the type name. 2016-06-10 Thomas Schwinge PR c/71381 * c-parser.c (c_parser_omp_variable_list) : Loosen checking. 2016-06-08 Martin Sebor Jakub Jelinek PR c++/70507 PR c/68120 * c-typeck.c (convert_arguments): Don't promote last argument of BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P. 2016-06-08 Marek Polacek PR c/71418 * c-decl.c (grokdeclarator): Check TYPE_P. PR c/71426 * c-decl.c (get_parm_info): Don't crash on an assert on invalid code. 2016-06-07 David Malcolm * c-parser.c (c_parser_postfix_expression): In __builtin_offsetof and structure element reference, capture the location of the element name token and pass it to build_component_ref. (c_parser_postfix_expression_after_primary): Likewise for structure element dereference. (c_parser_omp_variable_list): Likewise for OMP_CLAUSE_{_CACHE, MAP, FROM, TO}, * c-tree.h (build_component_ref): Add location_t param. * c-typeck.c (build_component_ref): Add location_t param COMPONENT_LOC. Use it, if available, when issuing hints about mispelled member names to provide a fixit replacement hint. 2016-06-06 Marek Polacek PR c/71362 * c-parser.c (c_parser_direct_declarator): Set location. 2016-06-06 Marek Polacek * c-typeck.c (comptypes_internal): Handle comparisons of INTEGER_TYPE, FIXED_POINT_TYPE, and REAL_TYPE nodes. Don't check TYPE_REF_CAN_ALIAS_ALL. 2016-06-03 Chung-Lin Tang * c-typeck.c (c_finish_omp_clauses): Mark OpenACC reduction arguments as addressable when async clause exists. 2016-05-30 Jakub Jelinek PR c++/71349 * c-parser.c (c_parser_omp_for): Don't disallow nowait clause when combined with target construct. 2016-05-26 Jakub Jelinek * c-parser.c (c_parser_omp_clause_schedule): Warn if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive. 2016-05-25 Marek Polacek PR c/71265 * c-decl.c (c_make_fname_decl): Don't check seen_error. PR c/71266 * c-decl.c (store_parm_decls_oldstyle): Skip non-PARM_DECLs. 2016-05-24 Cesar Philippidis * c-parser.c (c_parser_oacc_declare): Add support for GOMP_MAP_FIRSTPRIVATE_POINTER. * c-typeck.c (handle_omp_array_sections_1): Replace bool is_omp argument with enum c_omp_region_type ort. (handle_omp_array_sections): Likewise. Update call to handle_omp_array_sections_1. (c_finish_omp_clauses): Add specific errors and warning messages for OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update call to handle_omp_array_sections. 2016-05-24 Thomas Schwinge * c-parser.c (c_parser_oacc_routine): Tighten syntax checks. 2016-05-24 Richard Biener PR middle-end/70434 PR c/69504 * c-typeck.c (build_array_ref): Do not complain about indexing non-lvalue vectors. Adjust for function name change. 2016-05-20 Martin Sebor PR c/71115 * c-typeck.c (error_init): Use expansion_point_location_if_in_system_header. (warning_init): Same. 2016-05-19 David Malcolm PR c/71171 * c-parser.c (c_parser_generic_selection): Use c_expr::set_error in error-handling. (c_parser_postfix_expression): Likewise. * c-tree.h (c_expr::set_error): New method. * c-typeck.c (parser_build_binary_op): In error-handling, ensure that result's range is initialized. 2016-05-17 James Greenhalgh * c-typeck.c (parser_build_unary_op): Fix formatting. 2016-05-16 Matthew Wahab * c-decl.c (grokdeclarator): Remove errmsg and use of targetm.invalid_return_type. (grokparms): Remove errmsg and use of targetm.invalid_parameter_type. 2016-05-13 Joseph Myers * c-decl.c (grokdeclarator): For C11, discard qualifiers on function return type. 2016-05-12 Marek Polacek PR c/70756 * c-decl.c (build_compound_literal): Pass LOC down to c_incomplete_type_error. * c-tree.h (require_complete_type): Adjust declaration. (c_incomplete_type_error): Likewise. * c-typeck.c (require_complete_type): Add location parameter, pass it down to c_incomplete_type_error. (c_incomplete_type_error): Add location parameter, pass it down to error_at. (build_component_ref): Pass location down to c_incomplete_type_error. (default_conversion): Pass location down to require_complete_type. (build_array_ref): Likewise. (build_function_call_vec): Likewise. (convert_arguments): Likewise. (build_unary_op): Likewise. (build_c_cast): Likewise. (build_modify_expr): Likewise. (convert_for_assignment): Likewise. (c_finish_omp_clauses): Likewise. 2016-05-11 Mikhail Maltsev PR c/43651 * c-decl.c (declspecs_add_qual): Warn when -Wduplicate-decl-specifier is enabled. * c-errors.c (pedwarn_c90): Return true if warned. * c-tree.h (pedwarn_c90): Change return type to bool. (enum c_declspec_word): Add new enumerator cdw_atomic. 2016-05-11 Marek Polacek PR c++/71024 * c-decl.c (diagnose_mismatched_decls): Factor out code to diagnose_mismatched_attributes and call it. 2016-05-10 Marek Polacek PR c/70255 * c-decl.c (diagnose_mismatched_decls): Warn for optimize attribute on a declaration following the definition. 2016-05-05 Jakub Jelinek * c-parser.c (c_parser_switch_statement): Add IF_P argument, parse it through to c_parser_c99_block_statement. (c_parser_statement_after_labels): Adjust c_parser_switch_statement caller. 2016-05-04 Marek Polacek * c-parser.c (c_parser_if_statement): Replace OPT_Wparentheses with OPT_Wdangling_else. 2016-05-04 Marek Polacek PR c/48778 * c-typeck.c (build_binary_op): Don't issue -Waddress warnings for macro expansions. 2016-05-03 Marek Polacek PR c/70859 * c-typeck.c (build_function_call_vec): Pass LOC and ARG_LOC down to check_builtin_function_arguments. 2016-05-03 Richard Biener * Make-lang.in (cc1-checksum.c): For stage-final re-use the checksum from the previous stage. 2016-05-02 Cesar Philippidis * c-parser.c (c_parser_oacc_all_clauses): Update call to c_finish_omp_clauses. (c_parser_omp_all_clauses): Likewise. (c_parser_oacc_cache): Likewise. (c_parser_oacc_loop): Likewise. (omp_split_clauses): Likewise. (c_parser_omp_declare_target): Likewise. (c_parser_cilk_all_clauses): Likewise. (c_parser_cilk_for): Likewise. * c-typeck.c (c_finish_omp_clauses): Replace bool arguments is_omp, declare_simd, and is_cilk with enum c_omp_region_type ort. 2016-05-02 Marek Polacek PR c/70851 * c-decl.c (grokdeclarator): Diagnose when array's size has an incomplete type. 2016-04-29 Cesar Philippidis PR middle-end/70626 * c-parser.c (c_parser_oacc_loop): Don't augment mask with OACC_LOOP_CLAUSE_MASK. (c_parser_oacc_kernels_parallel): Update call to c_oacc_split_loop_clauses. 2016-04-28 Andrew MacLeod * c-array-notation.c (fix_builtin_array_notation_fn): Fix final argument to build_modify_expr in two cases. 2016-04-27 Bernd Schmidt * c-parser.c (c_parser_postfix_expression_after_primary): Call warn_for_memset instead of warning directly here. 2016-04-26 Marek Polacek PR c/67784 * c-parser.c (c_parser_maybe_reclassify_token): New function factored out of ... (c_parser_for_statement): ... here. (c_parser_if_statement): Use it. (c_parser_switch_statement): Use it. (c_parser_while_statement): Use it. PR c/70791 * c-decl.c (pushdecl): Pass LOCUS down to warning. 2016-04-20 Ilya Verbin PR c++/69363 * c-parser.c (c_parser_cilk_all_clauses): Use c_finish_omp_clauses instead of c_finish_cilk_clauses. * c-tree.h (c_finish_omp_clauses): Add new default argument. * c-typeck.c (c_finish_omp_clauses): Add new argument. Allow floating-point variables in the linear clause for Cilk Plus. 2016-04-18 Michael Matz * c-decl.c (merge_decls): Use SET_DECL_ALIGN and SET_TYPE_ALIGN. (grokdeclarator, parser_xref_tag, finish_enum): Use SET_TYPE_ALIGN. 2016-04-15 Marek Polacek PR c/70671 * c-typeck.c (build_unary_op): Pass location down to error and warning call. 2016-04-15 Jakub Jelinek PR c/70436 * c-parser.c (c_parser_pragma): Add IF_P argument, pass it down where needed. (c_parser_external_declaration, c_parser_struct_or_union_specifier, c_parser_parameter_declaration, c_parser_compound_statement_nostart, c_parser_objc_class_instance_variables, c_parser_objc_methodprotolist): Adjust c_parser_pragma callers. (c_parser_statement_after_labels): Likewise. Adjust c_parser_cilk_for caller. (c_parser_omp_structured_block): Add IF_P argument, pass it down to c_parser_statement. (c_parser_oacc_data, c_parser_oacc_host_data, c_parser_oacc_loop, c_parser_oacc_kernels_parallel, c_parser_omp_critical, c_parser_omp_simd, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_task, c_parser_omp_taskgroup, c_parser_omp_distribute, c_parser_omp_teams, c_parser_omp_target_data, c_parser_omp_target, c_parser_omp_taskloop, c_parser_omp_construct, c_parser_cilk_grainsize, c_parser_cilk_simd, c_parser_cilk_for): Add IF_P argument, pass it down where needed. (c_parser_omp_for_loop): Likewise. Clear IF_P if nbraces. (c_parser_omp_sections_scope): Adjust c_parser_omp_structured_block calls. 2016-04-13 Marek Polacek PR c/70436 * c-parser.c (c_parser_statement_after_labels): Add IF_P argument and adjust callers. (c_parser_statement): Likewise. (c_parser_c99_block_statement): Likewise. (c_parser_while_statement): Likewise. (c_parser_for_statement): Likewise. (c_parser_if_body): Don't set IF_P here. (c_parser_if_statement): Add IF_P argument. Set IF_P here. Warn about dangling else here. * c-tree.h (c_finish_if_stmt): Adjust declaration. * c-typeck.c (c_finish_if_stmt): Remove NESTED_IF parameter. Don't warn about dangling else here. 2016-04-04 Marek Polacek PR c/70307 * c-fold.c (c_fully_fold_internal): Handle VEC_COND_EXPR. 2016-03-31 Marek Polacek PR c/70297 * c-decl.c (merge_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN. 2016-03-18 David Malcolm PR c/70281 * c-parser.c (c_parser_postfix_expression): Set the source range for uses of "__builtin_types_compatible_p". 2016-03-17 Jakub Jelinek PR c/70280 * c-typeck.c (composite_type): Don't count void_list_node into len, if the list is terminated by void_list_node, start with void_list_node instead of NULL for newargs. Stop at void_list_node. 2016-03-16 Marek Polacek PR c/70093 * c-typeck.c (build_function_call_vec): Create a TARGET_EXPR for nested functions returning VM types. 2016-03-09 Cesar Philippidis * c-parser.c (c_parser_oacc_loop): Update cclauses and clauses when calling c_finish_omp_clauses. 2016-03-04 Bernd Schmidt PR c/69824 * c-decl.c (get_parm_info): Don't queue implicit function declarations for later. 2016-03-04 Marek Polacek PR c/69798 * c-parser.c (c_parser_postfix_expression): Call c_parser_cast_expression rather than c_parser_postfix_expression. 2016-03-01 Jakub Jelinek PR c/69796 PR c/69974 * c-parser.c (c_parser_translation_unit): Don't change TREE_TYPE of incomplete decls to error_mark_node. 2016-02-24 Marek Polacek PR c/69819 * c-decl.c (finish_decl): Don't update the copy of the type of a different decl type. 2016-02-23 Jakub Jelinek PR objc/69844 * c-parser.c (c_parser_for_statement): Properly handle ObjC classes in id_kind reclassification. 2016-02-16 Jakub Jelinek PR c/69835 * c-typeck.c (build_binary_op): Revert 2015-09-09 change. 2016-02-16 James Norris PR c/64748 * c-parser.c (c_parser_oacc_data_clause_deviceptr): Allow parms. 2016-02-12 Bernd Schmidt * c-decl.c (build_null_declspecs): Zero the entire struct. PR c/69522 * c-parser.c (c_parser_braced_init): New arg outer_obstack. All callers changed. If nested_p is true, use it to call finish_implicit_inits. * c-tree.h (finish_implicit_inits): Declare. * c-typeck.c (finish_implicit_inits): New function. Move code from ... (push_init_level): ... here. (set_designator, process_init_element): Call finish_implicit_inits. 2016-02-11 Jakub Jelinek PR c/69768 * c-typeck.c (parser_build_binary_op): Strip nops from integer_zerop arguments for -Waddress warning. 2016-02-04 Jakub Jelinek PR c/69669 * c-decl.c (finish_enum): When honoring mode attribute, make sure to use proper TYPE_MIN_VALUE and TYPE_MAX_VALUE. 2016-01-29 Jakub Jelinek PR debug/69518 * c-decl.c (finish_struct): Clear C_TYPE_INCOMPLETE_VARS in all type variants, not just TYPE_MAIN_VARIANT. 2016-01-27 Jakub Jelinek PR debug/66869 * c-decl.c (c_write_global_declarations_1): Warn with warn_unused_function if static prototype without definition is not C_DECL_USED. 2016-01-27 Marek Polacek PR c/68062 * c-typeck.c (build_binary_op) [EQ_EXPR, GE_EXPR]: Promote operand to unsigned, if needed. Add -Wsign-compare warning. 2016-01-26 Jakub Jelinek PR tree-optimization/69483 * c-parser.c (c_parser_translation_unit): Use FOR_EACH_VEC_ELT. 2016-01-20 Prathamesh Kulkarni PR c/24293 * c-tree.h (incomplete_record_decls): Declare. * c-parser.c (incomplete_record_decls): Define. (c_parser_translation_unit): Iterate through incomplete_record_decls and report error if any decl has zero size. * c-decl.c (finish_decl): Append static decl with incomplete struct/union or enum type to incomplete_record_decls. 2016-01-14 Tom de Vries PR tree-optimization/68773 * c-parser.c (c_parser_oacc_declare, c_parser_omp_declare_target): Don't set force_output. 2016-01-14 Marek Polacek PR c/69262 * c-decl.c (grokdeclarator): Provide more information for invalid array declarations. 2016-01-06 David Malcolm * c-parser.c (c_parser_unary_expression): For dereferences, build a combined location before calling build_indirect_ref, so that error reports cover the full range, manually updating the c_expr src_range. 2016-01-06 Marek Polacek PR sanitizer/69099 * c-convert.c (convert) [INTEGER_TYPE]: Drop ARG. Don't pass ARG to ubsan_instrument_float_cast. Fold EXPR. Use NULL_TREE instead of NULL. 2016-01-04 Jakub Jelinek Update copyright years. 2016-01-04 Marek Polacek PR c/68908 * c-typeck.c (build_atomic_assign): Improve commentary. Add optimization to use __atomic_fetch_* built-in if possible. 2015-12-23 Thomas Schwinge * c-parser.c (c_parser_oacc_clause_use_device): Merge function into... (c_parser_omp_clause_use_device_ptr): ... this function. Adjust all users. 2015-12-22 Marek Polacek PR c/69002 * c-typeck.c (build_component_ref): Warn when acessing elements of atomic structures or unions. 2015-12-21 David Malcolm * c-typeck.c: Include "gcc-rich-location.h". (build_binary_op): In the two places that call binary_op_error, create a gcc_rich_location and populate it with the location of the binary op and its two operands. 2015-12-16 David Malcolm * 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. 2015-12-16 David Malcolm * 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. 2015-12-16 David Malcolm * 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. 2015-12-16 David Malcolm * 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. 2015-12-16 Marek Polacek PR c/64637 * c-typeck.c (c_process_expr_stmt): Use location of the expression if available. 2015-12-15 Marek Polacek PR c/68907 * c-typeck.c (build_atomic_assign): Set TREE_NO_WARNING on an artificial decl. 2015-12-08 David Malcolm * c-parser.c (c_parser_alignof_expression): Capture location of closing parenthesis (if any), or of end of unary expression, and use it to build a src_range for the expression. 2015-12-08 David Malcolm PR c/68757 * c-parser.c (c_parser_get_builtin_args): Add "out_close_paren_loc" param, and write back to it. (c_parser_postfix_expression): Capture the closing parenthesis location for RID_CHOOSE_EXPR, RID_BUILTIN_CALL_WITH_STATIC_CHAIN, RID_BUILTIN_COMPLEX, RID_BUILTIN_SHUFFLE and use it to set the source range for such expressions; within RID_BUILTIN_COMPLEX set the underlying location. 2015-12-07 Marek Polacek PR c/68668 * c-decl.c (grokdeclarator): If ORIG_QUAL_INDIRECT is indirect, use TREE_TYPE of ORIG_QUAL_TYPE, otherwise decrement ORIG_QUAL_INDIRECT. 2015-12-04 Eric Botcazou * c-tree.h (c_build_va_arg): Adjust prototype. * c-parser.c (c_parser_postfix_expression): Adjust call to above. * c-typeck.c (c_build_va_arg): Rename LOC parameter to LOC2, add LOC1 parameter, adjust throughout and issue an error if EXPR is a component with reverse storage order. 2015-12-02 Jason Merrill * c-fold.c (c_disable_warnings, c_enable_warnings, c_fully_fold) (c_fully_fold_internal, decl_constant_value_for_optimization): Move from c-common.c. * c-tree.h: Declare decl_constant_value_for_optimization. * Make-lang.in (C_AND_OBJC_OBJS): Add c-fold.o. 2015-12-02 Joseph Myers PR c/68162 * c-decl.c (grokdeclarator): Set first_non_attr_kind before following link from declarator to next declarator. Track original qualified type and pass it to c_build_qualified_type. * c-typeck.c (c_build_qualified_type): Add arguments orig_qual_type and orig_qual_indirect. 2015-12-02 Thomas Schwinge * c-parser.c (c_parser_omp_clause_name) (c_parser_oacc_all_clauses): Alphabetical sorting. 2015-12-02 Jakub Jelinek PR c/68533 * c-decl.c (get_parm_info): Use b->locus instead of input_location for diagnostics. 2015-12-01 Julian Brown Cesar Philippidis James Norris * c-parser.c (c_parser_omp_clause_name): Add use_device support. (c_parser_oacc_clause_use_device): New function. (c_parser_oacc_all_clauses): Add use_device support. (OACC_HOST_DATA_CLAUSE_MASK): New macro. (c_parser_oacc_host_data): New function. (c_parser_omp_construct): Add host_data support. * c-tree.h (c_finish_oacc_host_data): Add prototype. * c-typeck.c (c_finish_oacc_host_data): New function. (c_finish_omp_clauses): Add use_device support. 2015-11-29 Jan Hubicka PR c/67106 * c-decl.c: Set TYPE_PACKED in variants. 2015-11-27 Martin Liska PR c++/68312 * c-array-notation.c (fix_builtin_array_notation_fn): Use release_vec_vec instead of vec::release. (build_array_notation_expr): Likewise. (fix_conditional_array_notations_1): Likewise. (fix_array_notation_expr): Likewise. (fix_array_notation_call_expr): Likewise. 2015-11-27 Jakub Jelinek PR c/63326 * c-parser.c (c_parser_compound_statement_nostart): If last_label is true, use pragma_stmt instead of pragma_compound as second c_parser_pragma argument. (c_parser_omp_ordered, c_parser_omp_target_update, c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): Pass false as second argument to c_parser_skip_to_pragma_eol after diagnosing standalone directives used in pragma_stmt context. 2015-11-24 Ilya Verbin * c-parser.c (c_parser_oacc_declare): Replace "ifdef ENABLE_OFFLOADING" with "if (ENABLE_OFFLOADING)". 2015-11-23 David Malcolm PR objc/68438 * c-parser.c (c_parser_postfix_expression): Set up source ranges for various Objective-C constructs: Class.name syntax, @selector(), @protocol(), @encode(), and [] message syntax. 2015-11-20 David Malcolm PR 62314 * c-typeck.c (should_suggest_deref_p): New function. (build_component_ref): Special-case POINTER_TYPE when generating a "not a structure of union" error message, and suggest a "->" rather than a ".", providing a fix-it hint. 2015-11-19 David Malcolm * c-typeck.c (lookup_field_fuzzy): Move determination of closest candidate into a new function, find_closest_identifier. 2015-11-19 Marek Polacek PR c/68412 * c-typeck.c (parser_build_binary_op): Properly handle C_MAYBE_CONST_EXPR before calling warn_tautological_cmp. 2015-11-17 David Malcolm * c-parser.c (set_c_expr_source_range): Bulletproof both overloaded implementations against NULL expr->value. (c_parser_braced_init): Set src_range for "ret" to a sane pair of values. (c_parser_unary_expression): Likewise when handling addresses of labels. (c_parser_postfix_expression): Likewise for statement expressions, for __FUNCTION__, __PRETTY_FUNCTION_ and __func__ keywords, for __builtin_va_arg, and for __builtin_offset_of. (c_parser_postfix_expression_after_paren_type): Initialize expr's src_range using the range of the braced initializer. (c_parser_transaction_expression): Set src_range for "ret" to a sane pair of values. 2015-11-16 Kirill Yukhin * c-parser.c (c_finish_omp_declare_simd): Look for "simd" attribute as well. Update error message. 2015-11-14 Trevor Saunders * c-parser.c (c_parser_omp_declare_target): Adjust. 2015-11-14 Jakub Jelinek * c-typeck.c (c_finish_omp_clauses): Don't mark GOMP_MAP_FIRSTPRIVATE_POINTER decls addressable. 2015-11-14 Marek Polacek * c-decl.c: Use RECORD_OR_UNION_TYPE_P throughout. * c-typeck.c: Likewise. 2015-11-13 David Malcolm * c-decl.c (warn_defaults_to): Pass line_table to rich_location ctor. * c-errors.c (pedwarn_c99): Likewise. (pedwarn_c90): Likewise. * c-parser.c (set_c_expr_source_range): New functions. (c_token::get_range): New method. (c_token::get_finish): New method. (c_parser_expr_no_commas): Call set_c_expr_source_range on the ret based on the range from the start of the LHS to the end of the RHS. (c_parser_conditional_expression): Likewise, based on the range from the start of the cond.value to the end of exp2.value. (c_parser_binary_expression): Call set_c_expr_source_range on the stack values for TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR. (c_parser_cast_expression): Call set_c_expr_source_range on ret based on the cast_loc through to the end of the expr. (c_parser_unary_expression): Likewise, based on the op_loc through to the end of op. (c_parser_sizeof_expression) Likewise, based on the start of the sizeof token through to either the closing paren or the end of expr. (c_parser_postfix_expression): Likewise, using the token range, or from the open paren through to the close paren for parenthesized expressions. (c_parser_postfix_expression_after_primary): Likewise, for various kinds of expression. * c-tree.h (struct c_expr): Add field "src_range". (c_expr::get_start): New method. (c_expr::get_finish): New method. (set_c_expr_source_range): New decls. * c-typeck.c (parser_build_unary_op): Call set_c_expr_source_range on ret for prefix unary ops. (parser_build_binary_op): Likewise, running from the start of arg1.value through to the end of arg2.value. 2015-11-13 Marek Polacek PR c/68320 * c-parser.c (c_parser_for_statement): Treat unknown tokens as IDs. 2015-11-13 David Malcolm * c-typeck.c: Include spellcheck.h. (lookup_field_fuzzy_find_candidates): New function. (lookup_field_fuzzy): New function. (build_component_ref): If the field was not found, try using lookup_field_fuzzy and potentially offer a suggestion. 2015-11-12 James Norris Joseph Myers * c-parser.c (c_parser_pragma): Handle PRAGMA_OACC_DECLARE. (c_parser_omp_clause_name): Handle 'device_resident' clause. (c_parser_oacc_data_clause): Handle PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT and PRAGMA_OMP_CLAUSE_LINK. (c_parser_oacc_all_clauses): Handle PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT and PRAGMA_OACC_CLAUSE_LINK. (OACC_DECLARE_CLAUSE_MASK): New definition. (c_parser_oacc_declare): New function. 2015-11-12 Marek Polacek PR c/67784 * c-parser.c (c_parser_for_statement): Reclassify the token in a correct scope. 2015-11-11 Marek Polacek PR c/68107 PR c++/68266 * c-decl.c (grokdeclarator): Call valid_array_size_p. Remove code checking the size of an array. 2015-11-11 Andrew MacLeod * c-array-notation.c: Remove unused header files. * c-aux-info.c: Likewise. * c-convert.c: Likewise. * c-decl.c: Likewise. * c-errors.c: Likewise. * c-lang.c: Likewise. * c-objc-common.c: Likewise. * c-parser.c: Likewise. * c-typeck.c: Likewise. * gccspec.c: Likewise. 2015-11-09 Thomas Schwinge Cesar Philippidis James Norris Julian Brown Nathan Sidwell * c-parser.c (c_parser_declaration_or_fndef): Add OpenACC routine arg. (c_parser_declaration_or_fndef): Call c_finish_oacc_routine. (c_parser_pragma): Parse 'acc routine'. (OACC_ROUTINE_CLAUSE_MARK): Define. (c_parser_oacc_routine, (c_finish_oacc_routine): New. 2015-11-09 Andreas Arnez PR debug/67192 * c-typeck.c (c_finish_loop): For unconditional loops, set the location of the backward-goto to the start of the loop body. 2015-11-09 Andreas Arnez PR debug/67192 * c-parser.c (c_parser_while_statement): Finish the loop before parsing ahead for misleading indentation. (c_parser_for_statement): Likewise. 2015-11-08 Eric Botcazou * c-decl.c (finish_struct): If the structure has reverse storage order, rewrite the type of array fields with scalar component. Call maybe_apply_pragma_scalar_storage_order on entry. * c-typeck.c (build_unary_op) : Remove left-overs. Issue errors on bit-fields and reverse SSO here and not... (c_mark_addressable): ...here. (output_init_element): Adjust call to initializer_constant_valid_p. (c_build_qualified_type): Propagate TYPE_REVERSE_STORAGE_ORDER. 2015-11-06 David Malcolm * c-decl.c (warn_defaults_to): Update for change in signature of diagnostic_set_info. * c-errors.c (pedwarn_c99): Likewise. (pedwarn_c90): Likewise. * c-objc-common.c (c_tree_printer): Update for new "caret_p" param for textinfo::set_location. 2015-11-05 Cesar Philippidis Thomas Schwinge James Norris * c-parser.c (c_parser_omp_clause_name): Add support for PRAGMA_OACC_CLAUSE_INDEPENDENT and PRAGMA_OACC_CLAUSE_TILE. (c_parser_omp_clause_default): Add is_oacc argument. Handle default(none) in OpenACC. (c_parser_oacc_shape_clause): Allow pointer variables as gang static arguments. (c_parser_oacc_clause_tile): New function. (c_parser_oacc_all_clauses): Add support for OMP_CLAUSE_DEFAULT, OMP_CLAUSE_INDEPENDENT and OMP_CLAUSE_TILE. (OACC_LOOP_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_{PRIVATE,INDEPENDENT, TILE}. (OACC_KERNELS_MASK): Add PRAGMA_OACC_CLAUSE_DEFAULT. (OACC_PARALLEL_MASK): Add PRAGMA_OACC_CLAUSE_{DEFAULT,PRIVATE, FIRSTPRIVATE}. (c_parser_omp_all_clauses): Update call to c_parser_omp_clause_default. (c_parser_oacc_update): Update the error message for missing clauses. * c-typeck.c (c_finish_omp_clauses): Add support for OMP_CLAUSE_TILE and OMP_CLAUSE_INDEPENDENT. 2015-11-05 Marek Polacek PR c/68090 * c-parser.c (c_parser_postfix_expression_after_paren_type): Don't deal with pre-evaluation on invalid types. 2015-11-05 Jakub Jelinek Ilya Verbin * c-parser.c: Include context.h and gimple-expr.h. (c_parser_omp_clause_schedule): Parse schedule modifiers, diagnose monotonic together with nonmonotonic. (c_parser_omp_for_loop): Call c_omp_check_loop_iv. Call add_stmt here. (OMP_DISTRIBUTE_CLAUSE_MASK): Add lastprivate clause. (c_parser_omp_target_data, c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): Allow GOMP_MAP_ALWAYS_POINTER. (c_parser_omp_target): Likewise. Evaluate num_teams and thread_limit expressions on combined target teams before the target. (c_parser_omp_declare_target): If decl has "omp declare target" or "omp declare target link" attribute, and cgraph or varpool node already exists, then set corresponding flags. Call c_finish_omp_clauses in the parenthesized extended-list syntax case. * c-decl.c (c_decl_attributes): Don't diagnose block scope vars inside declare target. * c-typeck.c (handle_omp_array_sections_1): Allow non-zero low-bound on OMP_CLAUSE_REDUCTION array sections. (handle_omp_array_sections): Encode low-bound into the MEM_REF, either into the constant offset, or for variable low-bound using POINTER_PLUS_EXPR. For structure element based array sections use GOMP_MAP_ALWAYS_POINTER instead of GOMP_MAP_FIRSTPRIVATE_POINTER. (c_finish_omp_clauses): Drop generic_field_head, structure elements are now always mapped even as array section bases, diagnose same var in data sharing and mapping clauses. Diagnose if linear step on declare simd is neither a constant nor a uniform parameter. Look through POINTER_PLUS_EXPR for array section reductions. Diagnose the same var or function appearing multiple times on the same directive. Fix up wording for the to clause if t is neither a FUNCTION_DECL nor a VAR_DECL. Diagnose nonmonotonic modifier on kinds other than dynamic or guided or nonmonotonic modifier together with ordered clause. 2015-11-03 Thomas Schwinge Chung-Lin Tang * c-parser.c (c_parser_omp_construct): Handle PRAGMA_OACC_ATOMIC. 2015-10-29 Andrew MacLeod * c-array-notation.c: Reorder #include's and remove duplicates. * c-aux-info.c: Likewise. * c-convert.c: Likewise. * c-decl.c: Likewise. * c-errors.c: Likewise. * c-lang.c: Likewise. * c-objc-common.c: Likewise. * c-parser.c: Likewise. * c-typeck.c: Likewise. 2015-10-26 Jim Wilson PR debug/66068 * c-typeck.c (c_build_qualified_type): Clear C_TYPE_INCOMPLETE_VARS after calling build_qualified_type. 2015-10-27 Cesar Philippidis Thomas Schwinge James Norris Joseph Myers Julian Brown Bernd Schmidt * c-parser.c (c_parser_oacc_shape_clause): New. (c_parser_oacc_simple_clause): New. (c_parser_oacc_all_clauses): Add auto, gang, seq, vector, worker. (OACC_LOOP_CLAUSE_MASK): Add gang, worker, vector, auto, seq. 2015-10-27 Thomas Schwinge James Norris Cesar Philippidis PR c/64765 PR c/64880 * c-parser.c (c_parser_oacc_loop): Add mask, cclauses formal parameters, and handle these. Adjust all users. (c_parser_oacc_kernels, c_parser_oacc_parallel): Merge functions into... (c_parser_oacc_kernels_parallel): ... this new function. Adjust all users. * c-tree.h (c_finish_oacc_parallel, c_finish_oacc_kernels): Don't declare functions. (c_finish_omp_construct): Declare function. * c-typeck.c (c_finish_oacc_parallel, c_finish_oacc_kernels): Merge functions into... (c_finish_omp_construct): ... this new function. 2015-10-22 Richard Biener * c-typeck.c (c_finish_omp_clauses): Properly convert operands before folding a MINUS_EXPR. 2015-10-21 Marek Polacek PR c/68024 * c-decl.c (start_function): Warn about vararg functions without a prototype. 2015-10-21 Ilya Enkovich * c-typeck.c (build_conditional_expr): Use boolean vector type for vector comparison. (build_vec_cmp): New. (build_binary_op): Use build_vec_cmp for comparison. 2015-10-20 Marek Polacek * c-parser.c (is_cilkplus_vector_p): Don't define here. 2015-10-20 Marek Polacek PR c/67964 * c-parser.c (c_parser_attributes): Break out of the loop if the token after an attribute isn't a comma. 2015-10-13 Jakub Jelinek Aldy Hernandez * c-parser.c (c_parser_pragma): Handle PRAGMA_OMP_ORDERED here. (c_parser_omp_clause_name): Handle OpenMP 4.5 clauses. (c_parser_omp_variable_list): Handle structure elements for map, to and from clauses. Handle array sections in reduction clause. Formatting fixes. (c_parser_omp_clause_if): Add IS_OMP argument, handle parsing of if clause modifiers. (c_parser_omp_clause_num_tasks, c_parser_omp_clause_grainsize, c_parser_omp_clause_priority, c_parser_omp_clause_hint, c_parser_omp_clause_defaultmap, c_parser_omp_clause_use_device_ptr, c_parser_omp_clause_is_device_ptr): New functions. (c_parser_omp_clause_ordered): Parse optional parameter. (c_parser_omp_clause_reduction): Handle array reductions. (c_parser_omp_clause_schedule): Parse optional simd modifier. (c_parser_omp_clause_nogroup, c_parser_omp_clause_orderedkind): New functions. (c_parser_omp_clause_linear): Parse linear clause modifiers. (c_parser_omp_clause_depend_sink): New function. (c_parser_omp_clause_depend): Parse source/sink depend kinds. (c_parser_omp_clause_map): Parse release/delete map kinds and optional always modifier. (c_parser_oacc_all_clauses): Adjust c_parser_omp_clause_if and c_finish_omp_clauses callers. (c_parser_omp_all_clauses): Likewise. Parse OpenMP 4.5 clauses. Parse "to" as OMP_CLAUSE_TO_DECLARE if on declare target directive. (c_parser_oacc_cache): Adjust c_finish_omp_clauses caller. (OMP_CRITICAL_CLAUSE_MASK): Define. (c_parser_omp_critical): Parse critical clauses. (c_parser_omp_for_loop): Handle doacross loops, adjust c_finish_omp_for and c_finish_omp_clauses callers. (OMP_SIMD_CLAUSE_MASK): Add simdlen clause. (c_parser_omp_simd): Allow ordered clause if it has no parameter. (OMP_FOR_CLAUSE_MASK): Add linear clause. (c_parser_omp_for): Disallow ordered clause when combined with distribute. Disallow linear clause when combined with distribute and not combined with simd. (OMP_ORDERED_CLAUSE_MASK, OMP_ORDERED_DEPEND_CLAUSE_MASK): Define. (c_parser_omp_ordered): Add CONTEXT argument, remove LOC argument, parse clauses and if depend clause is found, don't parse a body. (c_parser_omp_parallel): Disallow copyin clause on target parallel. Allow target parallel without for after it. (OMP_TASK_CLAUSE_MASK): Add priority clause. (OMP_TARGET_DATA_CLAUSE_MASK): Add use_device_ptr clause. (c_parser_omp_target_data): Diagnose no map clauses or clauses with invalid kinds. (OMP_TARGET_UPDATE_CLAUSE_MASK): Add depend and nowait clauses. (OMP_TARGET_ENTER_DATA_CLAUSE_MASK, OMP_TARGET_EXIT_DATA_CLAUSE_MASK): Define. (c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): New functions. (OMP_TARGET_CLAUSE_MASK): Add depend, nowait, private, firstprivate, defaultmap and is_device_ptr clauses. (c_parser_omp_target): Parse target parallel and target simd. Set OMP_TARGET_COMBINED on combined constructs. Parse target enter data and target exit data. Diagnose invalid map kinds. (OMP_DECLARE_TARGET_CLAUSE_MASK): Define. (c_parser_omp_declare_target): Parse OpenMP 4.5 forms of this construct. (c_parser_omp_declare_reduction): Use STRIP_NOPS when checking for &omp_priv. (OMP_TASKLOOP_CLAUSE_MASK): Define. (c_parser_omp_taskloop): New function. (c_parser_omp_construct): Don't handle PRAGMA_OMP_ORDERED here, handle PRAGMA_OMP_TASKLOOP. (c_parser_cilk_for): Adjust c_finish_omp_clauses callers. * c-tree.h (c_finish_omp_clauses): Add two new arguments. * c-typeck.c (handle_omp_array_sections_1): Fix comment typo. Add IS_OMP argument, handle structure element bases, diagnose bitfields, pass IS_OMP recursively, diagnose known zero length array sections in depend clauses, handle array sections in reduction clause, diagnose negative length even for pointers. (handle_omp_array_sections): Add IS_OMP argument, use auto_vec for types, pass IS_OMP down to handle_omp_array_sections_1, handle array sections in reduction clause, set OMP_CLAUSE_MAP_MAYBE_ZERO_LENGTH_ARRAY_SECTION if map could be zero length array section, use GOMP_MAP_FIRSTPRIVATE_POINTER for IS_OMP. (c_finish_omp_clauses): Add IS_OMP and DECLARE_SIMD arguments. Handle new OpenMP 4.5 clauses and new restrictions for the old ones. 2015-10-06 Marek Polacek * c-parser.c (c_parser_statement_after_labels): Use protected_set_expr_location. (c_parser_omp_clause_num_gangs): Likewise. (c_parser_omp_clause_num_threads): Likewise. (c_parser_omp_clause_num_workers): Likewise. (c_parser_omp_clause_vector_length): Likewise. (c_parser_omp_clause_num_teams): Likewise. (c_parser_omp_clause_thread_limit): Likewise. * c-typeck.c (build_c_cast): Likewise. (c_cast_expr): Likewise. 2015-10-05 Richard Sandiford * c-typeck.c (c_tree_equal): Use real_equal instead of REAL_VALUES_EQUAL. 2015-10-04 Jason Merrill * c-parser.c (c_lex_one_token): Handle @synchronized. * c-decl.c (match_builtin_function_types): A declaration of a built-in can change whether the function is transaction_safe. 2015-10-02 Marek Polacek PR c/67730 * c-typeck.c (convert_for_assignment): Use the expansion point location throughout. 2015-10-02 Marek Polacek PR c/64249 * c-parser.c (c_parser_statement_after_labels): Add CHAIN parameter and pass it down to c_parser_if_statement. (c_parser_else_body): Add CHAIN parameter and pass it down to c_parser_statement_after_labels. (c_parser_if_statement): Add CHAIN parameter. Add code to warn about duplicated if-else-if conditions. 2015-10-01 Marek Polacek * c-typeck.c (convert_for_assignment): Improve commentary. 2015-09-30 Marek Polacek PR c/67730 * c-typeck.c (c_finish_return): Use the expansion point location for certain "return with value" warnings. 2015-09-18 Manuel López-Ibáñez * c-parser.c (pragma_lex): Add loc argument. 2015-09-15 Marek Polacek PR c/67580 * c-decl.c (tag_exists_p): New function. * c-parser.c (c_parser_declaration_or_fndef): Give a hint when struct/union/enum keywords are missing. * c-tree.h (tag_exists_p): Declare. 2015-09-15 Marek Polacek * c-decl.c (lookup_label): Return NULL_TREE instead of 0. (lookup_tag): Change the type of THISLEVEL_ONLY to bool. Return NULL_TREE instead of 0. (lookup_name): Return NULL_TREE instead of 0. (lookup_name_in_scope): Likewise. (shadow_tag_warned): Use true instead of 1 and NULL_TREE instead of 0. (parser_xref_tag): Use false instead of 0. (start_struct): Use true instead of 1. (start_enum): Use true instead of 1 and NULL_TREE instead of 0. 2015-09-14 Marek Polacek * c-typeck.c (set_nonincremental_init_from_string): Use HOST_WIDE_INT_M1U when shifting a negative value. 2015-09-09 Mark Wielaard * c-typeck.c (build_binary_op): Check and warn when nonnull arg parm against NULL. 2015-09-10 Jakub Jelinek PR c/67502 * c-parser.c (c_parser_omp_for_loop): Emit DECL_EXPR stmts into OMP_FOR_PRE_BODY rather than before the loop. 2015-09-09 Jakub Jelinek PR c/67501 * c-parser.c (c_parser_oacc_all_clauses, c_parser_omp_all_clauses): Remove invalid clause from list of clauses even if parser->error is set. PR c/67500 * c-parser.c (c_parser_omp_clause_aligned, c_parser_omp_clause_safelen, c_parser_omp_clause_simdlen): Fix up test for errors. * c-decl.c (temp_pop_parm_decls): Allow b->decl equal to error_mark_node. PR c/67495 * c-parser.c (c_parser_omp_atomic): Use c_parser_cast_expression instead of c_parser_unary_expression. If the result is !lvalue_p, wrap the result of c_fully_fold into NON_LVALUE_EXPR. 2015-09-04 Marek Polacek PR sanitizer/67279 * c-typeck.c (build_binary_op): Don't instrument static initializers. 2015-09-03 Martin Sebor PR c/66516 * c-typeck.c (convert_arguments, parser_build_unary_op, build_conditional_expr, c_cast_expr, convert_for_assignment, build_binary_op, _objc_common_truthvalue_conversion): Call reject_gcc_builtin. (c_decl_implicit): Define. 2015-09-02 Marek Polacek PR c/67432 * c-parser.c (c_parser_enum_specifier): Give a better error for an empty enum. 2015-08-18 Trevor Saunders * c-aux-info.c, c-parser.c, c-tree.h: Remove useless typedefs. 2015-08-12 Marek Polacek * c-decl.c (grokdeclarator): Call error_at instead of error and pass LOC to it. 2015-08-03 Marek Polacek PR c/67088 * c-decl.c (check_bitfield_type_and_width): Add location parameter. Use it. (grokdeclarator): Pass LOC down to check_bitfield_type_and_width. 2015-08-02 Patrick Palka * c-parser.c (c_parser_if_body): Take token_indent_info argument. Call warn_for_misleading_indentation even when the body is a semicolon. Extract token_indent_infos corresponding to the guard, body and next tokens. Adjust call to warn_for_misleading_indentation accordingly. (c_parser_else_body): Likewise. (c_parser_if_statement): Likewise. (c_parser_while_statement): Likewise. (c_parser_for_statement): Likewise. 2015-07-28 Luis Felipe Strano Moraes Manuel López-Ibáñez * c-decl.c (get_parm_info): Remove static var. Update warning message. 2015-07-27 Marek Polacek PR c++/66555 PR c/54979 * c-typeck.c (parser_build_binary_op): Call warn_tautological_cmp. 2015-07-20 Marek Polacek PR c++/55095 * c-typeck.c (digest_init): Pass OPT_Wpedantic to pedwarn_init. (build_binary_op): Warn about left shift overflows. 2015-07-09 Andrew MacLeod * c-array-notation.c: Adjust includes for flags.h changes. * c-objc-common.c: Likewise. 2015-07-07 Andrew MacLeod * c-array-notation.c: Adjust includes. * c-aux-info.c: Likewise. * c-convert.c: Likewise. * c-decl.c: Likewise. * c-errors.c: Likewise. * c-lang.c: Likewise. * c-objc-common.c: Likewise. * c-parser.c: Likewise. * c-typeck.c: Likewise. 2015-06-29 Manuel López-Ibáñez PR fortran/66605 * c-decl.c (finish_function): Call do_warn_unused_parameter. 2015-06-29 Marek Polacek PR c/66322 * c-typeck.c (struct c_switch): Add BOOL_COND_P and OUTSIDE_RANGE_P. (c_start_case): Set BOOL_COND_P and OUTSIDE_RANGE_P. Don't warn about -Wswitch-bool here. (do_case): Update c_add_case_label call. (c_finish_case): Update c_do_switch_warnings call. 2015-06-27 Marek Polacek * c-typeck.c: Use VECTOR_TYPE_P throughout. 2015-06-26 Marek Polacek * c-array-notation.c (fix_builtin_array_notation_fn): Use INDIRECT_REF_P. * c-typeck.c (array_to_pointer_conversion): Likewise. (build_unary_op): Likewise. (c_finish_return): Likewise. 2015-06-25 Andrew MacLeod * c-decl.c: Remove ipa-ref.h and plugin-api.h from include list. * c-parser.c: Likewise. 2015-06-25 Richard Sandiford * c-decl.c (detect_field_duplicates_hash): Use nofree_ptr_hash instead of pointer_hash. (detect_field_duplicates): Likewise. 2015-06-25 Marek Polacek * c-array-notation.c: Use VAR_P throughout. * c-decl.c: Likewise. * c-objc-common.c: Likewise. * c-parser.c: Likewise. * c-typeck.c: Likewise. 2015-06-25 Marek Polacek * c-decl.c: Use is_global_var throughout. * c-parser.c: Likewise. * c-typeck.c: Likewise. 2015-06-17 Andrew MacLeod * c-array-notation.c: Do not include input.h, line-map.h or is-a.h. * c-aux-info.c: Likewise. * c-convert.c: Likewise. * c-decl.c: Likewise. * c-errors.c: Likewise. * c-lang.c: Likewise. * c-objc-common.c: Likewise. * c-parser.c: Likewise. * c-typeck.c: Likewise. 2015-06-11 Jan Hubicka PR middle-end/66325 * c-decl.c (start_enum): Set TYPE_PACKED consistently among type variants. 2015-06-11 Pierre-Marie de Rodat * c-decl.c (pop_scope): Register the main translation unit through the new debug hook. 2015-06-08 Andrew MacLeod * c-array-notation.c : Adjust include files. * c-aux-info.c : Likewise. * c-convert.c : Likewise. * c-decl.c : Likewise. * c-errors.c : Likewise. * c-lang.c : Likewise. * c-lang.h : Likewise. * c-objc-common.c : Likewise. * c-parser.c : Likewise. * c-typeck.c : Likewise. 2015-06-05 Aldy Hernandez * c-decl.c (finish_struct): Save C_TYPE_INCOMPLETE_VARS and immediately clobber it. (c_write_global_declarations_1): Remove call to check_global_declaration_1. (c_write_global_declarations_2): Remove. (c_write_final_cleanups): Rename from c_write_global_declarations. Remove call to finalize_compilation_unit. Remove calls to debugging hooks. * c-objc-common.c: Adjust comment for c_warn_unused_global_decl. * c-objc-common.h: Remove LANG_HOOKS_WRITE_GLOBALS. * c-tree.h: Remove c_write_global_declarations. 2015-06-04 Andrew MacLeod * c-array-notation.c: Adjust includes for restructured coretypes.h. * c-aux-info.c: Likewise. * c-convert.c: Likewise. * c-decl.c: Likewise. * c-errors.c: Likewise. * c-lang.c: Likewise. * c-objc-common.c: Likewise. * c-parser.c: Likewise. * c-typeck.c: Likewise. 2015-06-04 Marek Polacek PR c/66341 * c-typeck.c (build_c_cast): Wrap VALUE into NON_LVALUE_EXPR if it is a lvalue. 2015-06-03 Prathamesh Kulkarni * c-decl.c (warn_cxx_compat_finish_struct): New parameters code, record_loc. Warn for empty struct. (finish_struct): Pass TREE_CODE(t) and loc to warn_cxx_compat_finish_struct. 2015-06-02 Andres Tiraboschi * c-decl.c (start_function): Call plugin before parsing. (finish_function): Call plugin after parsing. 2015-06-02 Prathamesh Kulkarni PR c/49551 * c-decl.c (merge_decls): Merge DECL_COMMON. 2015-05-22 Jim Wilson * Make-lang.in (check_gcc_pallelize): Define. 2015-05-22 Marek Polacek PR c/47043 * c-parser.c (c_parser_enum_specifier): Parse and apply enumerator attributes. 2015-05-21 Marek Polacek * c-typeck.c (inform_declaration): Use DECL_IS_BUILTIN instead of DECL_BUILT_IN. 2015-05-20 Marek Polacek * c-decl.c: Use VAR_OR_FUNCTION_DECL_P throughout. * c-typeck.c: Likewise. 2015-05-19 Marek Polacek * c-typeck.c (start_init): Use AGGREGATE_TYPE_P. 2015-05-19 Jakub Jelinek PR middle-end/66199 * c-parser.c (c_parser_omp_for_loop): Don't add OMP_CLAUSE_SHARED to OMP_PARALLEL_CLAUSES when moving OMP_CLAUSE_LASTPRIVATE clause to OMP_FOR_CLAUSES. (c_parser_omp_teams): Set OMP_TEAMS_COMBINED for combined constructs. 2015-05-19 Mikhail Maltsev * c-typeck.c (build_array_ref): Use std::swap instead of explicit swaps. 2015-05-16 Manuel López-Ibáñez PR fortran/44054 * c-objc-common.c (c_tree_printer): Replace locus pointer with accessor function. 2015-05-14 Marek Polacek PR c/66066 PR c/66127 * c-typeck.c (digest_init): Call pedwarn_init with OPT_Wpedantic rather than with 0. 2015-05-12 David Malcolm * c-parser.c (c_parser_if_body): Add param "if_loc", use it to add a call to warn_for_misleading_indentation. (c_parser_else_body): Likewise, adding param "else_loc". (c_parser_if_statement): Check for misleading indentation. (c_parser_while_statement): Likewise. (c_parser_for_statement): Likewise. 2015-05-08 Marek Polacek PR c/64918 * c-typeck.c (add_pending_init): Use OPT_Woverride_init_side_effects. (output_init_element): Likewise. 2015-05-07 Marek Polacek PR c/65179 * c-typeck.c (build_binary_op): Warn when left shifting a negative value. 2015-04-30 Marek Polacek * c-typeck.c (set_init_label): Call error_at instead of error and pass LOC to it. * c-typeck.c (c_incomplete_type_error): Refactor to use %qT. Print the type of a decl. * c-typeck.c (c_build_va_arg): Clarify the error message. 2015-04-29 Thomas Schwinge * c-parser.c (c_parser_oacc_enter_exit_data): Use OMP_STANDALONE_CLAUSES. 2015-04-28 Marek Polacek * c-parser.c (c_parser_binary_expression): Remove duplicate line. 2015-04-28 Marek Polacek PR c/65901 * c-typeck.c (c_build_va_arg): Require TYPE be a complete type. 2015-04-25 Marek Polacek PR c/52085 * c-decl.c (finish_enum): Copy over TYPE_ALIGN. Also check for "mode" attribute. 2015-04-23 Marek Polacek PR c/65345 * c-decl.c (set_labels_context_r): New function. (store_parm_decls): Call it via walk_tree_without_duplicates. * c-typeck.c (convert_lvalue_to_rvalue): Use create_tmp_var_raw instead of create_tmp_var. Build TARGET_EXPR instead of COMPOUND_EXPR. (build_atomic_assign): Use create_tmp_var_raw instead of create_tmp_var. Build TARGET_EXPRs instead of MODIFY_EXPR. 2015-04-20 Ilya Verbin * c-parser.c (c_parser_oacc_enter_exit_data): Remove excess semicolon. (c_parser_omp_target_update): Add missed %> to error_at (). 2015-04-10 Bernhard Reutner-Fischer PR target/55143 * c-decl.c (c_default_pointer_mode): Remove definition. * c-tree.h (c_default_pointer_mode): Remove declaration. 2015-03-27 Tobias Burnus PR c/65586 * c-parser.c (c_parser_skip_to_pragma_eol): Optionally, don't error out. (c_parser_omp_for, c_parser_omp_parallel, c_parser_omp_distribute, c_parser_omp_teams, c_parser_omp_target, c_parser_omp_declare): Update calls to not error for skipped omp pragmas with -fopenmp-simd. 2015-03-19 Jakub Jelinek * c-decl.c (c_decl_attributes): Also add "omp declare target" attribute for DECL_EXTERNAL VAR_DECLs. 2015-03-11 Jakub Jelinek * c-parser.c (c_parse_init): Don't call xstrdup on get_identifier argument. 2015-03-10 Jakub Jelinek PR c/65120 * c-typeck.c (parser_build_binary_op): Check for tcc_comparison before preparing arguments to warn_logical_not_parentheses. 2015-03-09 Jakub Jelinek PR c/65120 * c-typeck.c (parser_build_binary_op): Don't warn for !!x == y or !b == y where b is _Bool. 2015-03-09 Marek Polacek * c-convert.c (convert): Make use of do_ubsan_in_current_function. * c-decl.c (grokdeclarator): Likewise. * c-typeck.c (build_binary_op): Likewise. 2015-02-27 Marek Polacek PR c/65228 * c-decl.c (start_decl): Return NULL_TREE if decl is an error node. 2015-02-14 Marek Polacek PR c/64768 * c-decl.c (grokdeclarator): Set the range of a flexible array member declared through a typedef name. 2015-02-13 Marek Polacek PR c/65050 * c-decl.c (grokdeclarator): Print also the type when giving the error message about array's incomplete element type. 2015-02-11 Jakub Jelinek PR c/64824 * c-parser.c (c_parser_binary_expression): Fix OpenMP stack[sp].prec check in the POP macro. 2015-02-09 Marek Polacek PR c/64856 * c-typeck.c (process_init_element): Don't always wrap COMPOUND_LITERAL_EXPR in a SAVE_EXPR in C99 mode when initializing a range of elements. 2015-02-04 Jakub Jelinek PR c/64824 PR c/64868 * c-parser.c (c_parser_omp_atomic): Handle RDIV_EXPR. 2015-02-02 Bruno Loff * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks after processing enum declaration. 2015-01-29 Marek Polacek PR c/64709 * c-typeck.c (pop_init_level): If constructor_elements has exactly one element with integer_zerop value, set constructor_zeroinit to 1. Remove braces around warning_init call. 2015-01-27 Jakub Jelinek PR c/64766 * c-typeck.c (store_init_value): Don't overwrite DECL_INITIAL of FUNCTION_DECLs with error_mark_node. 2015-01-26 Jakub Jelinek PR c/64778 * c-typeck.c (convert_arguments): Return -1 if there are error_args, even if we've diagnosed too many arguments. 2015-01-21 Richard Biener PR middle-end/64313 * c-decl.c (merge_decls): Call set_builtin_decl_declared_p for builtins the user declared correctly. 2015-01-15 Thomas Schwinge Bernd Schmidt Cesar Philippidis James Norris Jakub Jelinek Ilmir Usmanov * c-parser.c: Include "gomp-constants.h". (c_parser_omp_clause_map): Use enum gomp_map_kind instead of enum omp_clause_map_kind. Use GOMP_MAP_* instead of OMP_CLAUSE_MAP_*. Use OMP_CLAUSE_SET_MAP_KIND. (c_parser_pragma): Handle PRAGMA_OACC_ENTER_DATA, PRAGMA_OACC_EXIT_DATA, PRAGMA_OACC_UPDATE. (c_parser_omp_construct): Handle PRAGMA_OACC_CACHE, PRAGMA_OACC_DATA, PRAGMA_OACC_KERNELS, PRAGMA_OACC_LOOP, PRAGMA_OACC_PARALLEL, PRAGMA_OACC_WAIT. (c_parser_omp_clause_name): Handle "auto", "async", "copy", "copyout", "create", "delete", "deviceptr", "gang", "host", "num_gangs", "num_workers", "present", "present_or_copy", "pcopy", "present_or_copyin", "pcopyin", "present_or_copyout", "pcopyout", "present_or_create", "pcreate", "seq", "self", "vector", "vector_length", "wait", "worker". (OACC_DATA_CLAUSE_MASK, OACC_KERNELS_CLAUSE_MASK) (OACC_ENTER_DATA_CLAUSE_MASK, OACC_EXIT_DATA_CLAUSE_MASK) (OACC_LOOP_CLAUSE_MASK, OACC_PARALLEL_CLAUSE_MASK) (OACC_UPDATE_CLAUSE_MASK, OACC_WAIT_CLAUSE_MASK): New macros. (c_parser_omp_variable_list): Handle OMP_CLAUSE__CACHE_. (c_parser_oacc_wait_list, c_parser_oacc_data_clause) (c_parser_oacc_data_clause_deviceptr) (c_parser_omp_clause_num_gangs, c_parser_omp_clause_num_workers) (c_parser_oacc_clause_async, c_parser_oacc_clause_wait) (c_parser_omp_clause_vector_length, c_parser_oacc_all_clauses) (c_parser_oacc_cache, c_parser_oacc_data, c_parser_oacc_kernels) (c_parser_oacc_enter_exit_data, c_parser_oacc_loop) (c_parser_oacc_parallel, c_parser_oacc_update) (c_parser_oacc_wait): New functions. * c-tree.h (c_finish_oacc_parallel, c_finish_oacc_kernels) (c_finish_oacc_data): New prototypes. * c-typeck.c: Include "gomp-constants.h". (handle_omp_array_sections): Handle GOMP_MAP_FORCE_DEVICEPTR. Use GOMP_MAP_* instead of OMP_CLAUSE_MAP_*. Use OMP_CLAUSE_SET_MAP_KIND. (c_finish_oacc_parallel, c_finish_oacc_kernels) (c_finish_oacc_data): New functions. (c_finish_omp_clauses): Handle OMP_CLAUSE__CACHE_, OMP_CLAUSE_NUM_GANGS, OMP_CLAUSE_NUM_WORKERS, OMP_CLAUSE_VECTOR_LENGTH, OMP_CLAUSE_ASYNC, OMP_CLAUSE_WAIT, OMP_CLAUSE_AUTO, OMP_CLAUSE_SEQ, OMP_CLAUSE_GANG, OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR, and OMP_CLAUSE_MAP's GOMP_MAP_FORCE_DEVICEPTR. 2015-01-09 Michael Collison * c-array-notation.c: Include hash-set.h, machmode.h, vec.h, double-int.h, input.h, alias.h, symtab.h, options.h fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h. * c-aux-info.c: Ditto. * c-convert.c: Ditto. * c-decl.c: Ditto. * c-errors.c: Ditto. * c-lang.c: Dittoxs. * c-objc-common.c: Ditto. * c-parser.c: Ditto. * c-typeck.c: Include hash-set.h, machmode.h, vec.h, double-int.h, input.h, alias.h, symtab.h, options.h fold-const.h, wide-int.h, inchash.h, real.h and fixed-value.h due to flattening of tree.h. 2015-01-07 Marek Polacek PR c/64417 * c-typeck.c (process_init_element): Disallow initialization of a flexible array member with a string constant if the structure is in an array. 2015-01-05 Jakub Jelinek PR sanitizer/64344 * c-typeck.c (convert_for_assignment, c_finish_return): For -fsanitize=float-cast-overflow casts from REAL_TYPE to integer/enum types also set in_late_binary_op around convert call. * c-convert.c (convert): For -fsanitize=float-cast-overflow REAL_TYPE to integral type casts, if not in_late_binary_op, pass c_fully_fold result on expr as last argument to ubsan_instrument_float_cast, if in_late_binary_op, don't use c_save_expr but save_expr. Update copyright years. 2015-01-05 Marek Polacek PR c/64423 * c-typeck.c (build_array_ref): Pass loc down to warn_array_subscript_with_type_char. 2014-12-20 Martin Uecker * c-typeck.c: New behavious for pointers to arrays with qualifiers (common-pointer-type): For pointers to arrays take qualifiers from element type. (build_conditional_expr): Add warnings for lost qualifiers. (comp-target-types): Allow pointers to arrays with different qualifiers. (convert-for-assignment): Adapt warnings for discarded qualifiers. Add WARNING_FOR_QUALIFIERS macro and rename WARN_FOR_QUALIFIERS to PEDWARN_FOR_QUALIFIERS. 2014-12-17 Jakub Jelinek PR sanitizer/64289 * c-convert.c: Include ubsan.h. (convert): For real -> integral casts and -fsanitize=float-cast-overflow don't call convert_to_integer, but instead instrument the float cast directly. 2014-11-29 Jakub Jelinek * c-typeck.c (convert_lvalue_to_rvalue, build_atomic_assign, c_finish_stmt_expr): Remove NULL last argument from create_tmp_var_raw and create_tmp_var calls. * c-array-notation.c (fix_builtin_array_notation_fn, build_array_notation_expr, fix_conditional_array_notations_1, fix_array_notation_expr, fix_array_notation_call_expr): Likewise. 2014-11-28 Marek Polacek PR c/63862 * c-typeck.c (build_binary_op) : Don't convert the right operand to integer type. 2014-11-25 Marek Polacek PR c/63877 * c-decl.c (start_function): Disable -Wmissing-declarations warning for inline functions. 2014-11-21 Jakub Jelinek PR target/63764 * c-typeck.c (build_array_ref): Adjust convert_vector_to_pointer_for_subscript caller. If it returns true, call non_lvalue_loc on the result. 2014-11-11 Richard Biener * c-decl.c (c_init_decl_processing): Do not set pedantic_lvalues to true. 2014-11-10 Andi Kleen PR c/60804 * c-parser.c (c_parser_statement_after_labels): Call check_no_cilk. (c_parser_if_statement): Dito. (c_parser_switch_statement): Dito. (c_parser_while_statement): Dito. (c_parser_do_statement): Dito. (c_parser_for_statement): Dito. * c-typeck.c (c_finish_loop): Dito. 2014-11-10 Paolo Carlini * c-typeck.c (build_binary_op): Use OPT_Wshift_count_negative and OPT_Wshift_count_overflow in the warnings. 2014-10-30 Marek Polacek * c-objc-common.c (c_tree_printer) : For a typedef name, print the stripped version as well, if they're not the same. 2014-10-29 Richard Sandiford * c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from machine_mode. 2014-10-28 Andrew MacLeod * c-decl.c: Adjust include files. * c-parser.c: Ditto. 2014-10-27 Phil Muldoon Tom Tromey * c-tree.h (enum c_oracle_request): New. (c_binding_oracle_function): New typedef. (c_binding_oracle, c_pushtag, c_bind): Declare. * c-decl.c (c_binding_oracle): New global. (I_SYMBOL_CHECKED): New macro. (i_symbol_binding): New function. (I_SYMBOL_BINDING, I_SYMBOL_DECL): Redefine. (I_TAG_CHECKED): New macro. (i_tag_binding): New function. (I_TAG_BINDING, I_TAG_DECL): Redefine. (I_LABEL_CHECKED): New macro. (i_label_binding): New function. (I_LABEL_BINDING, I_LABEL_DECL): Redefine. (c_print_identifier): Save and restore c_binding_oracle. (c_pushtag, c_bind): New functions. 2014-10-27 Andrew MacLeod * c-typeck.c: Adjust include files. 2014-10-26 Manuel López-Ibáñez PR c++/53061 * c-objc-common.c (c_objc_common_init): Do not do diagnostics initialization here... (c_initialize_diagnostics): ... but here. Set defaults after building pretty-printer. 2014-10-23 Marek Polacek PR c/63626 * c-decl.c (pop_scope): Don't print warning in external_scope. 2014-10-19 Marek Polacek PR c/63567 * c-typeck.c (output_init_element): Allow initializing objects with static storage duration with compound literals even in C99 and add pedwarn for it. 2014-10-17 Marek Polacek PR c/63567 * c-typeck.c (digest_init): Allow initializing objects with static storage duration with compound literals even in C99 and add pedwarn for it. 2014-10-17 Marek Polacek PR c/63543 * c-tree.h (C_TYPE_ERROR_REPORTED): Define. * c-typeck.c (build_indirect_ref): Don't print the "dereferencing..." error multiple times. Print the type. 2014-10-17 Marek Polacek PR c/63549 * c-typeck.c (build_array_ref): Bail if the index in an incomplete type. 2014-10-17 Marek Polacek * c-decl.c (grokdeclarator): Use OPT_Wimplicit_int unconditionally. (start_function): Use OPT_Wimplicit_int instead of 0. (store_parm_decls_oldstyle): Likewise. 2014-10-17 Alan Modra PR middle-end/61848 * c-decl.c (merge_decls): Don't merge section name or tls model to newdecl symtab node, instead merge to olddecl. Override existing olddecl section name. Set tls_model for all thread-local vars, not just OMP thread-private ones. Remove incorrect comment. 2014-10-16 Andrew MacLeod * c-decl.c: Adjust include files. 2014-10-14 DJ Delorie * c-parser.c (c_parse_init): Add RID entries for each __intN. (c_token_starts_typename): Check all __intN, not just __int128. (c_token_starts_declspecs): Likewise. (c_parser_declspecs): Likewise. (c_parser_attribute_any_word): Likewise. (c_parser_objc_selector): Likewise. * c-tree.h (c_typespec_keyword): cts_int128 -> cts_int_n. (struct c_declspecs): Add int_n_idx field to record *which* __intN is specified. * c-decl.c (declspecs_add_type): Check for all __intN, not just __int128. (finish_declspecs): Likewise. 2014-10-13 Anthony Brandon * c-parser.c (c_parser_all_labels): New function to replace the duplicate code. (c_parser_statement): Call the new function. 2014-10-09 Marek Polacek PR c/63480 * c-typeck.c (pop_init_level): Don't warn about initializing with { }. 2014-10-07 Marek Polacek PR c/59717 * c-decl.c (header_for_builtin_fn): New function. (implicitly_declare): Suggest which header to include. 2014-10-07 Marek Polacek * c-convert.c (convert): Use error_operand_p. * c-typeck.c (require_complete_type): Likewise. (really_atomic_lvalue): Likewise. (digest_init): Likewise. (handle_omp_array_sections_1): Likewise. 2014-10-03 Marek Polacek PR c/63453 * c-decl.c (pop_scope): Don't warn about "inline function declared but never defined" for functions marked with gnu_inline attribute. 2014-09-25 Jakub Jelinek PR c++/63249 * c-parser.c (c_parser_omp_variable_list): Call mark_exp_read on low_bound and length. 2014-09-24 Marek Polacek PR c/61405 PR c/53874 * c-parser.c: Don't define CPP_KEYWORD. (c_parser_switch_statement): Pass original type to c_finish_case. * c-tree.h (c_finish_case): Update declaration. * c-typeck.c (c_finish_case): Add TYPE parameter. Pass it conditionally to c_do_switch_warnings. 2014-09-03 Marek Polacek PR c/62024 * c-parser.c (c_parser_static_assert_declaration_no_semi): Strip no-op conversions. 2014-09-02 Jakub Jelinek Balaji V. Iyer Igor Zamyatin * c-parser.c (c_parser_cilk_for): New function. (c_parser_cilk_grainsize): Likewise. (c_get_temp_regvar): Likewise. (c_parser_statement_after_labels): Added RID_CILK_FOR case. (c_parser_pragma): Added PRAGMA_CILK_GRAINSIZE case. (c_parser_omp_for_loop): Added CILK_FOR and CILK_SIMD checks. * c-typeck.c (c_finish_omp_clauses): Added OMP_CLAUSE__CILK_FOR_COUNT_ case. 2014-08-27 Chen Gang * c-aux-info.c (gen_type): Resize 'buff' from 10 to 23 bytes, with using HOST_WIDE_INT without truncation to 'int' 2014-08-22 Marek Polacek PR c++/62199 * c-typeck.c (parser_build_binary_op): Adjust call to warn_logical_not_parentheses. 2014-08-22 Igor Zamyatin PR other/62008 * c-parser.c (c_parser_array_notation): Check for correct type of an array added. 2014-08-19 Marek Polacek PR c++/62153 * c-typeck.c (build_binary_op): If either operand of a comparison is a boolean expression, call maybe_warn_bool_compare. 2014-08-19 Patrick Palka PR c/45584 * c-typeck.c (build_c_cast): Do a conversion even when the TYPE_MAIN_VARIANTs are the same. 2014-08-19 Marek Polacek * c-decl.c (diagnose_mismatched_decls): Unconditionally call pedwarn_c99 instead of pedwarn. (grokfield): Likewise. (warn_defaults_to): New function. (grokdeclarator): Call warn_defaults_to instead of pedwarn_c99. Unconditionally call pedwarn_c99 instead of pedwarn. (start_function): Call warn_defaults_to instead of pedwarn_c99. (declspecs_add_scspec): Call pedwarn_c99 instead of pedwarn, don't check flag_isoc11 before. * c-errors.c (pedwarn_c99): Change the return type to bool. Handle -Wc99-c11-compat. * c-parser.c (disable_extension_diagnostics): Handle warn_c99_c11_compat. (restore_extension_diagnostics): Likewise. (c_parser_static_assert_declaration_no_semi): Call pedwarn_c99 instead of pedwarn, don't check flag_isoc11 before. (c_parser_declspecs): Likewise. (c_parser_alignas_specifier): Likewise. (c_parser_alignof_expression): Likewise. (c_parser_generic_selection): Likewise. * c-tree.h (pedwarn_c99): Update declaration. * c-typeck.c (c_finish_return): Call pedwarn or warning_at instead of pedwarn_c99. 2014-08-19 Marek Polacek * c-decl.c (warn_variable_length_array): Pass OPT_Wvla unconditionally to pedwarn_c90. * c-errors.c: Include "opts.h". (pedwarn_c90): Rewrite to handle -Wno-c90-c99-compat better. * c-parser.c (disable_extension_diagnostics): Handle negative value of warn_c90_c99_compat, too. (restore_extension_diagnostics): Likewise. (c_parser_compound_statement_nostart): Pass OPT_Wdeclaration_after_statement unconditionally to pedwarn_c90. 2014-08-12 Marek Polacek * c-parser.c (c_parser_postfix_expression) : Add pedwarn. (c_parser_postfix_expression) : Likewise. (c_parser_postfix_expression) : Likewise. 2014-08-10 Marek Polacek PR c/51849 * c-decl.c (build_array_declarator): Remove check for !flag_isoc99. Call pedwarn_c90 instead of pedwarn. (check_bitfield_type_and_width): Likewise. (declspecs_add_qual): Likewise. (declspecs_add_type): Likewise. (warn_variable_length_array): Unify function for -pedantic and -Wvla. Adjust to only call pedwarn_c90. (grokdeclarator): Remove pedantic && !flag_isoc99 check. Call pedwarn_c90 instead of pedwarn. * c-errors.c (pedwarn_c90): Handle -Wc90-c99-compat. * c-parser.c (disable_extension_diagnostics): Handle warn_c90_c99_compat. (restore_extension_diagnostics): Likewise. (c_parser_enum_specifier): Remove check for !flag_isoc99. Call pedwarn_c90 instead of pedwarn. (c_parser_initelt): Likewise. (c_parser_postfix_expression): Likewise. (c_parser_postfix_expression_after_paren_type): Likewise. (c_parser_compound_statement_nostart): Remove check for !flag_isoc99. * c-tree.h: Fix formatting. * c-typeck.c (build_array_ref): Remove check for !flag_isoc99. Call pedwarn_c90 instead of pedwarn. 2014-08-07 Trevor Saunders * c-typeck.c: Remove include of pointer-set.h. 2014-08-07 Marek Polacek * c-typeck.c (pointer_diff): Remove P - (P + CST) optimization. 2014-08-02 Trevor Saunders * c-typeck.c: Use hash_map instead of pointer_map. 2014-08-02 Trevor Saunders * c-decl.c: Use hash_set instead of pointer_set. 2014-08-01 Igor Zamyatin PR middle-end/61455 * c-array-notation.c (expand_array_notations): Handling of DECL_EXPR added. 2014-07-31 Marc Glisse PR c++/60517 * c-typeck.c (c_finish_return): Return 0 instead of the address of a local variable. 2014-07-30 Tom Tromey * c-typeck.c (struct constructor_stack) : New field. (really_start_incremental_init, push_init_level): Initialize designator_depth. (pop_init_level): Set global designator_depth. (process_init_element): Check for designated_init attribute. 2014-07-20 Marek Polacek PR c/61852 * c-decl.c (implicit_decl_warning): Add location_t parameter. Use it. (implicitly_declare): Pass location to implicit_decl_warning. 2014-07-14 Jakub Jelinek PR middle-end/61294 * c-parser.c (c_parser_expr_list): Add new argument literal_zero_mask. If non-NULL, call c_parser_check_literal_zero. (c_parser_check_literal_zero): New function. (c_parser_postfix_expression_after_primary): Adjust c_parser_expr_list caller, handle -Wmemset-transposed-args. 2014-07-06 Marek Polacek PR c/6940 * c-decl.c (grokdeclarator): Set C_ARRAY_PARAMETER. * c-tree.h (C_ARRAY_PARAMETER): Define. * c-typeck.c (c_expr_sizeof_expr): Warn when using sizeof on an array function parameter. 2014-07-02 Jan Hubicka Chen Gang * c-decl.c (duplicate_decls): CLear DECL_STRUCT_FUNCTION before releasing symbol. 2014-07-01 Marek Polacek * c-typeck.c (convert_for_assignment): Pass OPT_Wint_conversion instead of 0 to WARN_FOR_ASSIGNMENT. 2014-07-01 Marek Polacek PR c/58286 * c-typeck.c (convert_for_assignment): Pass OPT_Wincompatible_pointer_types instead of 0 to WARN_FOR_ASSIGNMENT. 2014-06-30 Marek Polacek * c-decl.c (grokdeclarator): Don't instrument VLAs if the function has no_sanitize_undefined attribute. 2014-06-30 Igor Zamyatin PR middle-end/57541 * c-array-notation.c (fix_builtin_array_notation_fn): Check for 0 arguments in builtin call. Check that bultin argument is correct. * c-parser.c (c_parser_array_notation): Check for incorrect initial index. 2014-06-27 Sebastian Huber * c-parser.c (c_parser_declaration_or_fndef): Discard all type qualifiers in __auto_type for atomic types. (c_parser_typeof_specifier): Discard all type qualifiers in __typeof__ for atomic types. 2014-06-25 Marek Polacek PR c/61162 * c-parser.c (c_parser_statement_after_labels): Pass the location of the return expression to c_finish_return. 2014-06-25 Jakub Jelinek * c-typeck.c (c_finish_omp_clauses): Make sure OMP_CLAUSE_LINEAR_STEP has correct type. 2014-06-24 Trevor Saunders * c-decl.c: Adjust. 2014-06-24 Jakub Jelinek * c-parser.c (c_parser_omp_for_loop): For #pragma omp parallel for simd move lastprivate clause from parallel to for rather than simd. 2014-06-23 Marek Polacek * c-typeck.c (parser_build_binary_op): Don't call warn_logical_not_parentheses if the RHS is TRUTH_NOT_EXPR. 2014-06-15 Jan Hubicka * c-parser.c (c_parser_omp_threadprivate): Likewise. * c-decl.c (merge_decls): Likewise. 2014-06-09 Marek Polacek PR c/36446 * c-typeck.c (error_init): Call inform instead of error_at. (pedwarn_init): Call inform instead of pedwarn. (warning_init): Call inform instead of warning_at. 2014-06-07 Jan Hubicka * c-decl.c (merge_decls): Use set_decl_section_name. (duplicate_decls): Remove node if it exists. 2014-06-05 S. Gilles PR c/53119 * c-typeck.c (push_init_level, process_init_element, pop_init_level): Correct check for zero initialization, move missing brace warning to respect zero initialization. 2014-06-05 Marek Polacek PR c/56724 * c-typeck.c (convert_for_assignment): Use expr_loc for ic_argpass. 2014-06-05 Marek Polacek PR c/49706 * c-typeck.c (parser_build_binary_op): Warn when logical not is used on the left hand side operand of a comparison. 2014-06-05 Marek Polacek PR c/48062 * c-decl.c (warn_if_shadowing): Call inform instead of warning_at. Print note only if the warning was printed. 2014-06-04 Igor Zamyatin PR c/58942 * c-array-notation.c (fix_builtin_array_notation_fn): Handle the case with a pointer. 2014-06-03 Marek Polacek PR c/60439 * c-parser.c (c_parser_switch_statement): Pass explicit_cast_p to c_start_case. * c-tree.h (c_start_case): Update. * c-typeck.c (c_start_case): Add new boolean parameter. Warn if switch condition has boolean value. 2014-06-02 Andrew MacLeod * c-decl.c: Include builtins.h. * c-parser.c: Likewise. 2014-05-27 Marek Polacek PR c/56724 * c-typeck.c (convert_arguments): Get location of a parameter. Change error and warning calls to error_at and warning_at. Pass location of a parameter to it. Call warning_at with OPT_Wtraditional_conversion. (convert_for_assignment): Add parameter to WARN_FOR_ASSIGNMENT and WARN_FOR_QUALIFIERS. Pass expr_loc to those. 2014-05-26 Igor Zamyatin PR c/61191 * c-array-notation.c (fix_builtin_array_notation_fn): Check invalid function parameters. 2014-05-23 Jan Hubicka * c-decl.c (merge_decls): Preserve symtab node pointers. (duplicate_decls): Free new decl. 2014-05-23 Thomas Schwinge * c-typeck.c (c_finish_omp_clauses): Remove duplicated variable initialization. * c-parser.c (c_parser_omp_target): Return bool values. 2014-05-22 Thomas Schwinge * c-parser.c (c_parser_omp_clause_thread_limit): Rename num_teams_loc variable to num_thread_limit_loc. 2014-05-21 Richard Sandiford * c-array-notation.c (expand_array_notations): Use void_node instead of void_zero_node. 2014-05-17 Trevor Saunders * c-decl.c (finish_struct): Adjust. (finish_enum): Likewise. (bind): Adjust. (record_inline_static): Likewise. (push_scope): Likewise. (make_label): Likewise. (lookup_label_for_goto): Likewise. (finish_struct): Likewise. (finish_enum): Likewise. (store_parm_decls): Likewise. (c_push_function_context): Likewise. * c-lang.h: Remove usage of variable_size gty attribute. * c-parser.c (c_parse_init): Adjust. (c_parse_file): Likewise. 2014-05-13 Marek Polacek PR c/61162 * c-typeck.c (convert_for_assignment): Pass location to WARN_FOR_ASSIGNMENT instead of input_location. 2014-05-10 Marek Polacek * c-parser.c (c_parser_declaration_or_fndef): Pass init_loc to maybe_warn_string_init. (c_parser_postfix_expression_after_paren_type): Pass type_loc to maybe_warn_string_init. * c-tree.h (maybe_warn_string_init): Update declaration. * c-typeck.c (maybe_warn_string_init): Add location parameter. Call pedwarn_init with loc instead of with input_location. (digest_init): Pass init_loc to maybe_warn_string_init. (pop_init_level): Call pedwarn_init with loc instead of with input_location. (set_init_index): Likewise. (process_init_element): Likewise. 2014-05-09 Marek Polacek PR c/61096 * c-parser.c (c_parser_braced_init): Pass brace_loc to push_init_level. (c_parser_initelt): Pass location to set_init_label. Pass array index location to set_init_index. * c-tree.h (push_init_level): Update declaration. (pop_init_level): Likewise. (set_init_index): Likewise. (set_init_label): Likewise. * c-typeck.c (error_init): Add location parameter. Call error_at instead of error. (digest_init): Pass init_loc to error_init. (really_start_incremental_init): (push_init_level): Add location parameter. Pass loc to pop_init_level and error_init. (pop_init_level): Likewise. (set_designator): Add location parameter. Pass loc to pop_init_level, push_init_level, and error_init. (set_init_index): Add location parameter. Pass loc to error_init and set_designator. (set_init_label): Likewise. (output_init_element): Pass loc to error_init. (process_init_element): Pass loc to error_init, pop_init_level, pedwarn_init, and push_init_level. 2014-05-09 Marek Polacek PR c/50459 * c-parser.c (c_parser_attributes): Parse the arguments as an expression-list if the attribute takes identifier. 2014-05-08 Marek Polacek PR c/61053 * c-decl.c (grokdeclarator): Use min_align_of_type instead of TYPE_ALIGN_UNIT. 2014-05-08 Marek Polacek PR c/61077 * c-decl.c (start_function): Warn for _Atomic-qualified return type of main. 2014-05-06 Kenneth Zadeck Mike Stump Richard Sandiford * c-decl.c (check_bitfield_type_and_width): Use TYPE_SIGN. (finish_enum): Use wide-int interfaces. * c-parser.c (c_parser_cilk_clause_vectorlength): Likewise. * c-typeck.c (build_c_cast): Likewise. (set_nonincremental_init_from_string): Likewise. (c_tree_equal): Likewise. 2014-05-02 Marek Polacek PR c/25801 * c-typeck.c (c_size_in_bytes): Update comment. Don't call error. Return size_one_node when the type is not complete. (pointer_diff): Remove comment. (build_unary_op): Improve error messages. 2014-05-02 Marek Polacek * c-typeck.c (c_finish_return): Separate warning_at calls. 2014-05-02 Marek Polacek * c-tree.h (error_init): Remove declaration. (pedwarn_init): Likewise. * c-typeck.c (error_init): Make static and move above. (pedwarn_init): Likewise. (warning_init): Move above. (maybe_warn_string_init): Likewise. 2014-05-01 Jeff Law Revert: 2014-04-24 Prathamesh Kulkarni * c-parser.c (c_parser_sizeof_expression): Reorganize slightly to avoid goto. 2014-05-02 Marek Polacek PR c/60784 * c-typeck.c (push_init_level): Set constructor_designated to p->designated for structures. 2014-05-01 Marek Polacek PR c/60915 * c-parser.c (c_parser_declaration_or_fndef): Give better error if function-definition has an attribute after the declarator. 2014-05-01 Marek Polacek PR c/60257 * c-typeck.c (warning_init): Add location_t parameter. Call warning_at instead of warning. (push_init_level): Pass input_location to warning_init. (add_pending_init): Add location_t parameter. Pass loc to warning_init. (set_nonincremental_init): Pass input_location to add_pending_init. (set_nonincremental_init_from_string): Likewise. (output_init_element): Pass loc to warning_init and to add_pending_init. 2014-05-01 Marek Polacek PR c/43395 * c-typeck.c (c_finish_return): Distinguish between label and variable when warning about returning local address. 2014-05-01 Marek Polacek PR c/29467 * c-decl.c (declspecs_add_type): Pedwarn if boolean types are used in C89 mode. 2014-05-01 Marek Polacek PR c/43245 * c-typeck.c (convert_for_assignment): Pass OPT_Wdiscarded_qualifiers instead of 0 to WARN_FOR_QUALIFIERS. 2014-05-01 Marek Polacek PR c/56989 * c-typeck.c (default_conversion): Use better location for error call. 2014-04-30 Marek Polacek * c-typeck.c (build_binary_op): Call ubsan_instrument_division also when SANITIZE_FLOAT_DIVIDE is on. 2014-04-30 Marek Polacek PR c/60139 * c-typeck.c (output_init_element): Pass OPT_Wpedantic to pedwarn and pedwarn_init. Use loc insted of input_location. 2014-04-30 Marek Polacek PR c/60351 * c-typeck.c (build_binary_op): Use location when warning about shift count. 2014-04-25 Marek Polacek PR c/18079 * c-decl.c (diagnose_mismatched_decls): Warn for mismatched always_inline/noinline and hot/cold attributes. 2014-04-25 Marek Polacek PR c/60114 * c-parser.c (c_parser_initelt): Pass input_location to process_init_element. (c_parser_initval): Pass loc to process_init_element. * c-tree.h (process_init_element): Adjust declaration. * c-typeck.c (push_init_level): Pass input_location to process_init_element. (pop_init_level): Likewise. (set_designator): Likewise. (output_init_element): Add location_t parameter. Pass loc to digest_init. (output_pending_init_elements): Pass input_location to output_init_element. (process_init_element): Add location_t parameter. Pass loc to output_init_element. 2014-04-24 Jakub Jelinek * c-parser.c (c_parser_omp_atomic): Allow seq_cst before atomic-clause, allow comma in between atomic-clause and seq_cst. 2014-04-22 Jakub Jelinek PR c/59073 * c-parser.c (c_parser_omp_parallel): If c_parser_omp_for fails, don't set OM_PARALLEL_COMBINED and return NULL. 2014-04-12 Igor Zamyatin PR middle-end/60469 * c-array-notation.c (fix_builtin_array_notation_fn): Use create_tmp_var instead build_decl for creating temps. (build_array_notation_expr): Likewise. (fix_conditional_array_notations_1): Likewise. (fix_array_notation_expr): Likewise. (fix_array_notation_call_expr): Likewise. 2014-03-28 Jakub Jelinek PR c++/60689 * c-tree.h (c_build_function_call_vec): New prototype. * c-typeck.c (build_function_call_vec): Don't call resolve_overloaded_builtin here. (c_build_function_call_vec): New wrapper function around build_function_call_vec. Call resolve_overloaded_builtin here. (convert_lvalue_to_rvalue, build_function_call, build_atomic_assign): Call c_build_function_call_vec instead of build_function_call_vec. * c-parser.c (c_parser_postfix_expression_after_primary): Likewise. * c-decl.c (finish_decl): Likewise. 2014-03-18 Manuel López-Ibáñez PR c/55383 * c-typeck.c: Use correct format string in cast-qual warning 2014-03-07 Thomas Schwinge * c-decl.c (c_decl_attributes): Use lang_hooks.types.omp_mappable_type. * c-typeck.c (c_finish_omp_clauses): Likewise. 2014-03-06 Marek Polacek PR c/60197 * c-typeck.c (c_finish_return): Call contains_cilk_spawn_stmt instead of checking tree code. 2014-02-19 Prathamesh Kulkarni * c-parser.c (c_parser_declspecs): Replace call to error by error_at. (c_parser_parameter_declaration): Likewise. 2014-02-19 Marek Polacek PR c/60195 * c-typeck.c (convert_lvalue_to_rvalue): Set TREE_NO_WARNING on tmp. Call mark_exp_read on exp.value. (build_atomic_assign): Set TREE_NO_WARNING on val and old. Set TREE_ADDRESSABLE on old instead of val. (emit_side_effect_warnings): Warn only if RHS has !TREE_NO_WARNING. 2014-02-07 Prathamesh Kulkarni * c-parser.c (c_parser_get_builtin_args): Replace calls to C_EXPR_APPEND by vec_safe_push. * c-tree.h (C_EXPR_APPEND): Remove. 2014-01-31 Marek Polacek PR c/59963 * c-typeck.c (convert_lvalue_to_rvalue): Pass vNULL to build_function_call_vec. (build_function_call): Likewise. (build_atomic_assign): Likewise. (build_function_call_vec): Add arg_loc parameter. Use it. (convert_arguments): Likewise. (convert_for_assignment): Rename rhs_loc to expr_loc. * c-parser.c (c_parser_attributes): Pass NULL to c_parser_expr_list. (c_parser_objc_keywordexpr): Likewise. (c_parser_postfix_expression_after_primary): Call build_function_call_vec with expr_loc rather than op_loc. Call c_parser_expr_list to fill arg_loc. Pass arg_loc to build_function_call_vec. (c_parser_expr_list): Add locations parameter. Fill it with locations of function arguments. * c-decl.c (finish_decl): Pass vNULL to build_function_call_vec. 2014-01-30 Marek Polacek PR c/59940 * c-typeck.c (build_function_call_vec): Use loc parameter. (convert_arguments): Add location parameter. Use it. (ep_convert_and_check): Likewise. (build_atomic_assign): Adjust convert_for_assignment call. (build_modify_expr): Likewise. (digest_init): Likewise. (c_finish_return): Likewise. (build_conditional_expr): Adjust ep_convert_and_check calls. (convert_for_assignment): Add rhs_loc parameter. Use it. (build_binary_op): Adjust convert_and_check and ep_convert_and_check calls. 2014-01-30 Richard Biener PR c/59905 * c-typeck.c (build_function_call_vec): Do not replace calls to a function via an incompatible type with a runtime abort. 2014-01-24 Balaji V. Iyer * c-parser.c (c_parser_declaration_or_fndef): Replaced flag_enable_cilkplus with flag_cilkplus. (c_parser_direct_declarator_inner): Likewise. (c_parser_attribute_any_word): Likewise. (c_parser_attributes): Likewise. (c_parser_compound_statement): Likewise. (c_parser_statement_after_labels): Likewise. (c_parser_if_statement): Likewise. (c_parser_switch_statement): Likewise. (c_parser_do_statement): Likewise. (c_parser_for_statement): Likewise. (c_parser_unary_expression): Likewise. (c_parser_postfix_expression): Likewise. (c_parser_postfix_expression_after_primary): Likewise. (c_parser_postfix_expression_after_primary): Likewise. (c_parser_omp_clause_name): Likewise. (c_finish_omp_declare_simd): Likewise. (c_parser_cilk_verify_simd): Likewise. * c-typeck.c (build_array_ref): Likewise. (build_function_call_vec): Likewise. (convert_arguments): Likewise. (build_compound_expr): Likewise. (c_finish_return): Likewise. (c_finish_if_stmt): Likewise. (c_finish_loop): Likewise. (build_binary_op): Likewise. 2014-01-23 Marek Polacek PR c/59846 * c-typeck.c (parser_build_binary_op): Use location instead of input_location. (build_binary_op): Pass location to shorten_compare. 2014-01-23 Marek Polacek PR c/58346 * c-typeck.c (pointer_diff): Give an error on arithmetic on pointer to an empty aggregate. 2014-01-23 Marek Polacek PR c/59871 * c-typeck.c (build_compound_expr): Warn even for right-hand operand of a comma expression. (emit_side_effect_warnings): Likewise. 2014-01-23 Balaji V. Iyer PR c/59825 * c-array-notation.c (expand_array_notation_exprs): Rewrote this function to use walk_tree and moved a lot of its functionality to expand_array_notations. (expand_array_notations): New function. 2014-01-23 Balaji V. Iyer * c-parser.c (c_finish_omp_declare_simd): Made "cilk simd function" attribute an attribute without value. 2014-01-23 Jakub Jelinek PR middle-end/58809 * c-typeck.c (c_finish_omp_clause): Reject MIN_EXPR, MAX_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR on COMPLEX_TYPEs. 2014-01-22 Marek Polacek 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 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 PR c++/59631 * c-parser.c (c_parser_postfix_expression): Replaced consecutive if statements with if-elseif statements. 2014-01-06 Marek Polacek 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 Update copyright years 2014-01-02 Richard Sandiford * c-array-notation.c: Use the standard form for the copyright notice. 2013-12-18 Balaji V. Iyer * 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 * c-parser.c (c_parser_omp_parallel): Fix description. 2013-12-11 Balaji V. Iyer * 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 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 PR c/54113 * c-decl.c (start_function): Don't warn for missing prototype for inline functions. 2013-12-03 Marek Polacek PR c/59351 * c-decl.c (build_compound_literal): Allow compound literals with empty initial value. 2013-12-02 Joseph Myers PR c/58235 * c-typeck.c (build_modify_expr): Diagnose assignment to expression with array type. 2013-11-29 Joseph Myers 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 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 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 Jakub Jelinek * c-decl.c (c_builtin_function_ext_scope): Avoid binding if external_scope is NULL. 2013-11-27 Tom de Vries Marc Glisse PR c++/59032 * c-typeck.c (build_unary_op): Allow vector increment and decrement. 2013-11-22 Andrew MacLeod * c-typeck.c: Add required include files from gimple.h. 2013-11-22 David Malcolm * 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 * c-decl.c (grokdeclarator): Update comment to refer to tree_to_[su]hwi rather than tree_low_cst. 2013-11-18 Richard Sandiford * c-decl.c, c-typeck.c: Replace tree_low_cst (..., 1) with tree_to_uhwi throughout. 2013-11-18 Richard Sandiford * c-parser.c: Replace tree_low_cst (..., 0) with tree_to_shwi throughout. 2013-11-18 Richard Sandiford * c-parser.c: Replace host_integerp (..., 0) with tree_fits_shwi_p throughout. 2013-11-15 Aldy Hernandez * 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 * c-typeck.c: Include only gimplify.h and gimple.h as needed. 2013-11-14 Diego Novillo * 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 * 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 * c-typeck.c: Include gimplify.h. 2013-11-12 Joseph Myers * 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 Andrew MacLeod * 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 * 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 * 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 * c-decl.c (grokdeclarator): Add VLA instrumentation. 2013-11-01 Jakub Jelinek * c-typeck.c (c_finish_omp_clauses) : Go to check_dup_generic at the end, unless remove is true. (c_finish_omp_clauses) : Add break; after remove = true;. (c_finish_omp_clauses) : Likewise. 2013-10-31 Jakub Jelinek * c-typeck.c (c_finish_omp_clauses): Diagnose aligned clause with decl that is not pointer nor array. 2013-10-29 Balaji V. Iyer * 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 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 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 * c-parser.c (c_parser_struct_declaration): Add a comment. (c_parser_declarator): Don't allow _Alignas here. 2013-10-17 Andrew MacLeod * c-parser.c: Include omp-low.h. * c-typeck.c: Likewise. 2013-10-17 Marek Polacek PR c/58267 * c-parser.c (c_parser_declspecs): Add alignspec_ok parameter. Document syntax of the array-declarator. (c_parser_declspecs) : 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 * 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 * 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 * Make-lang.in (c/gccspec.o): Don't use subshell. 2013-09-18 Marek Polacek PR sanitize/58443 * c-typeck.c (build_binary_op): Properly honor -fsanitize options. Remove unnecessary check. 2013-09-18 Marek Polacek 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 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 * c-typeck.c (build_binary_op): Use vector_types_compatible_elements_p. 2013-09-03 Gabriel Dos Reis * c-objc-common.c (c_tree_printer): Tidy. 2013-08-30 Marek Polacek * c-typeck.c (build_binary_op): Add division by zero and shift instrumentation. 2013-08-26 Joern Rennecke Joseph Myers 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 * 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 * c-objc-common.c (c_initialize_diagnostics): Simplify C pretty printer initialization. 2013-08-19 Balaji V. Iyer 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 * c-objc-common.c (c_initialize_diagnostics): Don't call pp_base. 2013-07-23 Joseph Myers * c-parser.c (struct c_generic_association): Fix typo. 2013-07-23 Tom Tromey Joseph Myers * 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 PR c++/57793 * c-decl.c (finish_struct): Check for too-large class. 2013-07-04 Joern Rennecke PR c/57821 * c-typeck.c (set_init_index): When folding, check for index overflow. 2013-06-28 Balaji V. Iyer * c-parser.c (c_parser_array_notation): Removed rejection of array notations in an array of function pointers. 2013-06-21 Balaji V. Iyer * 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 PR c/57630 * c-decl.c (check_for_loop_decls): Improve diagnostics messages. 2013-06-12 Balaji V. Iyer * 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 * 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 * c-array-notation.c (expand_array_notation_exprs): Added ARRAY_NOTATION_REF case. 2013-06-07 Balaji V. Iyer * 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 * 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 * 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 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 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 * 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 * c-typeck.c (convert_for_assignment): Handle references to memory spaces better. 2013-05-16 Jason Merrill * Make-lang.in (cc1$(exeext)): Use link mutex. 2013-04-24 Paolo Carlini * c-typeck.c (pointer_diff): Change -Wpointer-arith pedwarns to simply use OPT_Wpointer_arith. (build_unary_op): Likewise. 2013-04-03 Jakub Jelinek 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 * 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 PR c/44938 * c-parser.c (c_parser_postfix_expression_after_primary): Initialize origtypes to NULL. 2013-01-24 Jakub Jelinek 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 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 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 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 PR c++/54930 * c-typeck.c (c_finish_return): Use OPT_Wreturn_local_addr. 2012-10-29 Manuel López-Ibáñez 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 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 * 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 PR c++/54194 * c-typeck.c (parser_build_binary_op): Update warn_about_parentheses call. 2012-10-09 Marc Glisse 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 * c-decl.c (c_write_global_declarations): Fix handling of -fdump-ada-spec*. 2012-09-30 Sharad Singhai * c-decl.c (c_write_global_declarations): Use a different method to determine if the dump has ben initialized. 2012-09-14 Joseph Myers 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 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 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 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 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 * 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 * c-lang.h (lang_decl): Add variable_size GTY option. 2012-07-16 Steven Bosscher * c-decl.c: Include dumpfile.h instead of tree-dump.h. * Make-lang.in: Fix dependencies. 2012-06-29 Steven Bosscher * 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. Copyright (C) 2012-2023 Free Software Foundation, Inc. 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