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* c-common.c: Move format checking code to ...
* c-format.c: ... here. New file. Reorder some functions and
declarations.
(decl_handle_format_attribute, decl_handle_format_arg_attribute):
New functions.
* c-common.h (decl_handle_format_attribute,
decl_handle_format_arg_attribute): Declare.
* Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
(c-common.o): Adjust dependencies.
(c-format.o): New list of dependencies.
cp:
* Make-lang.in (CXX_C_OBJS): Add c-format.o.
From-SVN: r38998
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* c-common.c (enum format_type): Add format_type_error.
(decode_format_type): New function.
(decl_attributes): Use it.
(format_kind_info): Adjust comment.
From-SVN: r38843
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* builtins.def (BUILT_IN_FPRINTF): New entry.
* c-common.c (c_expand_builtin_fprintf): New function.
(init_function_format_info): Handle __builtin_fprintf.
(c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
(c_expand_builtin): Handle BUILT_IN_FPRINTF.
* c-decl.c (duplicate_decls): Adjust comment.
* extend.texi (fprintf): Document new builtin.
testsuite:
* gcc.c-torture/execute/stdio-opt-3.c: New test.
From-SVN: r38788
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* c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
* extend.texi: Document _Exit builtin.
testsuite:
* gcc.c-torture/execute/builtin-noret-1.c: New test.
From-SVN: r38771
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* builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
Define.
* builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
BUILT_IN_CREAL and BUILT_IN_CIMAG.
* c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
(expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
BUILT_IN_CIMAG.
* extend.texi: Document these builtins.
testsuite:
* gcc.c-torture/execute/builtin-complex-1.c: New test.
From-SVN: r38716
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From-SVN: r38715
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* c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
(flag_short_double, flag_short_wchar): Define.
(c_common_nodes_and_builtins): Create many tree nodes shared
between C and C++ here instead of in cp/decl.c and ...
* c-decl.c (init_decl_processing): ... here.
(SIZE_TYPE, WCHAR_TYPE): Don't define.
(flag_short_double, flag_short_wchar): Don't define.
(record_builtin_type): New function.
(build_void_list_node): New function.
* c-common.h (flag_short_double, flag_short_wchar,
record_builtin_type, build_void_list_node): Declare.
cp:
* decl.c (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE): Don't define.
(record_builtin_type): Make non-static.
(flag_short_double): Don't declare.
(init_decl_processing): Remove the creation of many tree nodes now
in c_common_nodes_and_builtins.
(build_void_list_node): New function.
* decl2.c (flag_short_double, flag_short_wchar): Don't define.
* cp-tree.h (flag_short_wchar): Don't declare.
From-SVN: r38695
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* c-common.c (c_common_lang_init): New function. Warn if format
warning options which only have effects when used with -Wformat
are used without -Wformat.
* c-common.h (c_common_lang_init): Declare.
* c-lang.c (lang_init): Call c_common_lang_init.
* objc/objc-act.c (lang_init): Call c_common_lang_init.
cp:
* lex.c (lang_init): Call c_common_lang_init.
From-SVN: r38672
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From-SVN: r38606
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__builtin_fputs, __builtin_fputc and __builtin_fwrite.
* c-common.c (c_common_nodes_and_builtins): Set prototype
parameters for __builtin_fputs, __builtin_fputc and
__builtin_fwrite. Don't declare plain fputc as a builtin.
testsuite:
* gcc.c-torture/execute/stdio-opt-1.c: Also test
__builtin_fputc and __builtin_fwrite.
From-SVN: r38605
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* c-common.c (enum format_type): Add strfmon_format_type.
(decl_attributes): Handle format attributes strfmon and
__strfmon__.
(FMT_FLAG_USE_DOLLAR, FMT_FLAG_ZERO_WIDTH_BAD,
FMT_FLAG_EMPTY_PREC_OK): Define.
(format_char_info): Update comment for flag_chars.
(format_flag_spec): Add skip_next_char.
(format_kind_info): Add left_precision_char.
(printf_flag_specs, scanf_flag_specs, strftime_flag_specs,
format_types): Update for these new structure members and flags.
(time_char_table): Make const.
(strfmon_length_specs, strfmon_flag_specs, strfmon_flag_pairs,
monetary_char_table): New.
(format_types): Add details of strfmon formats.
(init_function_format_info): Create default attribute for strfmon.
(check_format_info_main): Check the new flags. Handle
skip_next_char and left precision.
* toplev.c (documented_lang_options): Update description of
-Wformat.
* extend.texi: Document strfmon format attributes. Document
attribute forms such as __printf__. Clarify format_arg attribute
documentation.
* invoke.texi (-Wformat): Update for strfmon formats.
testsuite:
* gcc.dg/format-strfmon-1.c: New test.
From-SVN: r38512
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* builtins.def (BUILT_IN_LABS, BUILT_IN_LLABS, BUILT_IN_IMAXABS):
Don't define.
* builtins.c (expand_builtin): Don't handle BUILT_IN_LABS,
BUILT_IN_LLABS and BUILT_IN_IMAXABS.
* c-common.c (c_common_nodes_and_builtins): Use BUILT_IN_ABS for
builtin labs, llabs and imaxabs.
(expand_tree_builtin): Don't handle BUILT_IN_LABS, BUILT_IN_LLABS
and BUILT_IN_IMAXABS.
From-SVN: r38475
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* c-common.c (builtin_function_2): New function.
(c_common_nodes_and_builtins): Use it to define each pair (foo,
__builtin_foo) of builtins in one place.
From-SVN: r38474
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* c-typeck.c (build_asm_stmt): New, broken out from ...
(c_expand_asm_operands): ... here. Just do rtl expansion.
(c_expand_return): Return the new stmt node.
(c_start_case, do_case): Likewise.
* c-common.c (c_expand_expr_stmt): Likewise.
* c-common.h: Update declarations.
* c-tree.h: Likewise.
* c-semantics.c (build_stmt): Use STMT_LINENO not TREE_COMPLEXITY.
* c-parse.in (fndef): Set DECL_SOURCE_LINE to the open brace.
(nested_function, notype_nested_function): Likewise.
(compstmt): Return the compound statement not the binding level.
(lineno_labeled_stmt): Simplify.
(lineno_stmt, lineno_label): Set STMT_LINENO.
(stmt, label): Return the new stmt node.
From-SVN: r38402
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* c-common.c (STD_C9L, ADJ_STD): Define.
(printf_length_specs, scanf_length_specs): Mark "ll" as standard
STD_C9L.
(T99_LL): Rename to T9L_LL.
(T99_ULL): Rename to T9L_ULL.
(print_char_table, scan_char_table): Use T9L_LL and T9L_ULL
instead of T99_LL and T99_ULL.
(check_format_info_main): Use ADJ_STD on all format standard
versions being compared.
* c-common.h: Declare warn_long_long.
* c-tree.h: Don't declare warn_long_long.
cp:
* cp-tree.h: Don't declare warn_long_long.
testsuite:
* gcc.dg/format-warnll-1.c: New test.
From-SVN: r38369
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* c-common.c (c_common_nodes_and_builtins): Create a
cstring_endlink, use it. Rename int_ftype_string_string to
int_ftype_cstring_cstring, string_ftype_string_int to
string_ftype_cstring_int, and string_ftype_string_string to
string_ftype_cstring_cstring. Prefer sizetype_endlink and
int_endlink to manually recreating them. Fix the prototype
set for __builtin_strspn/__builtin_strcspn.
From-SVN: r38329
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to functions with no parameter to which...
* c-common.c (check_function_format): Don't suggest adding format
attributes to functions with no parameter to which to add them.
testsuite:
* gcc.dg/format-miss-2.c: New test.
From-SVN: r38163
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* c-common.c (warn_format_security): New variable.
(check_format_info): Warn about non-literal formats with no format
arguments if either -Wformat-nonliteral or -Wformat-security is
specified.
(set_Wformat): Set warn_format_security for settings other than 1.
* c-common.h (warn_format_security): Declare.
* c-decl.c (c_decode_option): Decode -Wformat-security and
-Wno-format-security.
* invoke.texi: Document -Wformat-security.
* toplev.c (documented_lang_options): Include -Wformat-security
and -Wno-format-security.
cp:
* decl2.c (lang_decode_option): Handle -Wformat-security.
testsuite:
* format-sec-1.c: New test.
From-SVN: r38106
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strftime formats if -Wformat-nonliteral.
* c-common.c (check_format_info): Warn for non-constant format
strings with strftime formats if -Wformat-nonliteral. Where the
format can convert arguments, if the format is not a string
literal and there are no arguments to the format, give a different
warning message from the general non-string-literal case.
testsuite:
* gcc.dg/format-nonlit-3.c: New test.
From-SVN: r38105
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* c-common.c (format_wanted_type): Add reading_from_flag.
(print_char_table): Mark %s and %S formats with flag "R".
(check_format_info_main): Set up reading_from_flag appropriately.
If aflag, always set writing_in_flag rather than relying on the
format used being a scanf format and so having it set.
(check_format_types): Check for formats reading through null
pointers.
testsuite:
* gcc.dg/c90-printf-1.c: Add test for printf formats reading
through a null pointer.
From-SVN: r38104
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* c-common.c (parse_in): Make a cpp_reader *.
* cppfiles.c (_cpp_fake_include): Remove.
* cpphash.h: Similarly.
* cpplib.c (do_line): Don't call _cpp_fake_include. A valid
#line always creates a callback; FC_RENAME if there are no
#line flags.
* fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
The first EOF must be our get_char buffer.
From-SVN: r38101
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* builtins.c (expand_builtin_strcat, expand_builtin_strncat,
expand_builtin_strspn, expand_builtin_strcspn): New functions.
(expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
* builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
* c-common.c (c_common_nodes_and_builtins): Declare builtin
strcat, strncat, strspn and strcspn.
(string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
* extend.texi (strcat, strcspn, strncat, strspn): Document new
builtins.
testsuite:
* gcc.c-torture/execute/string-opt-9.c: New test.
* gcc.c-torture/execute/string-opt-10.c: Likewise.
* gcc.c-torture/execute/string-opt-11.c: Likewise.
* gcc.c-torture/execute/string-opt-12.c: Likewise.
From-SVN: r37964
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length of a string...
* c-common.c (combine_strings): When the ISO C standard specifies
the maximum length of a string, it doesn't include the trailing
zero byte.
* gcc.dg/cpp/if-6.c: New testcase.
From-SVN: r37961
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From-SVN: r37950
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* c-common.c (warn_format, warn_format_y2k,
warn_format_extra_args, warn_format_nonliteral): Define.
(check_format_info): Check warn_format_nonliteral and
warn_format_extra_args.
(check_format_info_main): Check warn_format_y2k.
(set_Wformat): New function.
* c-common.h (warn_format_y2k, warn_format_extra_args,
warn_format_nonliteral, set_Wformat): Declare.
* c-decl.c (warn_format): Remove definition.
(c_decode_option): Handle -Wformat-nonliteral,
-Wno-format-extra-args and -Wno-format-y2k, and negated versions.
Use set_Wformat.
* invoke.texi: Document these new options and -Wformat=2.
* toplev.c (documented_lang_options): Add these new options.
cp:
* decl2.c (warn_format): Remove definition.
(lang_decode_option): Handle -Wformat-nonliteral,
-Wno-format-extra-args and -Wno-format-y2k. Use set_Wformat.
testsuite:
* gcc.dg/format-no-exargs-1.c, gcc.dg/format-no-y2k-1.c,
gcc.dg/format-nonlit-1.c, gcc.dg/format-nonlit-2.c: New tests.
From-SVN: r37933
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* builtins.def (BUILT_IN_IMAXABS): Add.
* builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
* c-common.c (c_common_nodes_and_builtins): Create builtin
functions __builtin_imaxabs, and plain imaxabs unless
flag_no_nonansi_builtin outside C99 mode.
(expand_tree_builtin): Handle BUILT_IN_IMAXABS.
* extend.texi: Document builtin imaxabs.
From-SVN: r37932
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* c-common.c: Include "defaults.h".
(WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
(c_common_nodes_and_builtins): Create string_type_node,
const_string_type_node, wint_type_node, intmax_type_node,
uintmax_type_node, default_function_type, ptrdiff_type_node and
unsigned_ptrdiff_type_node.
* c-common.h (identifier_global_value): Declare.
* c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
(init_decl_processing): Don't create string_type_node,
const_string_type_node, wint_type_node, intmax_type_node,
uintmax_type_node, default_function_type, ptrdiff_type_node and
unsigned_ptrdiff_type_node.
(identifier_global_value): New function.
cp:
* decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
(init_decl_processing): Don't create string_type_node,
const_string_type_node, wint_type_node, intmax_type_node,
uintmax_type_node, default_function_type, ptrdiff_type_node and
unsigned_ptrdiff_type_node. Adjust position of call to
c_common_nodes_and_builtins.
(identifier_global_value): New function.
From-SVN: r37931
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from va_list before using it.
From-SVN: r37900
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* builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
functions.
(expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
* builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
* c-common.c (c_common_nodes_and_builtins): Declare builtin
strncpy and strncmp.
* extend.texi (strncmp, strncpy): Document new builtins.
testsuite:
* gcc.c-torture/execute/string-opt-7.c: New test.
* gcc.c-torture/execute/string-opt-8.c: Likewise.
From-SVN: r37777
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* c-common.c: Remove USE_CPPLIB conditional inclusions.
* c-common.h: Similarly.
* c-decl.c: Similarly.
* c-lang.c: Similarly.
* c-lex.c: Similarly.
* c-parse.in: Similarly.
* c-pragma.c: Similarly.
* c-pragma.h: Similarly.
* gcc.c: Similarly.
* toplev.c: Similarly.
* cp/cp-tree.h: Similarly.
* cp/decl2.c: Similarly.
* cp/lang-specs.h: Similarly.
* cp/lex.c: Similarly.
* cp/lex.h: Similarly.
* cp/spew.c: Similarly.
* java/lang-options.h: Similarly.
* objc/lang-specs.h: Similarly.
* objc/objc-act.c: Similarly.
* configure.in: Remove configure option.
* config.in: Regenerate.
* configure: Regenerate.
From-SVN: r37742
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From-SVN: r37707
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From-SVN: r37706
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* c-common.c (c_unsafe_for_reeval): New function.
(add_c_tree_codes): Register it.
* c-common.h: Declare it.
* tree.c (lang_unsafe_for_reeval): New hook.
(unsafe_for_reeval): Call it.
* tree.h: Declare it.
From-SVN: r37623
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* stringpool.c: New file.
* ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
(ggc_alloc_string): Now in stringpool.o.
* ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
* ggc.h: Delete prototype of ggc_add_string_root. #define
ggc_add_string_root and ggc_mark_string to nothing. Prototype
init_stringpool and stringpool_statistics.
(ggc_alloc_string): Returns a const char *.
* tree.c (hash_table, do_identifier_warnings): Delete.
(init_obstacks): Don't initialize the identifier hash table.
(get_identifier, maybe_get_identifier, start_identifier_warnings,
set_identifier_size): Now in stringpool.c.
* tree.h (struct tree_string): Constify pointer field.
(approx_sqrt): Prototype.
* Makefile.in (stringpool.o): Add rule, mention in OBJS.
* toplev.c (approx_sqrt): New function.
(compile_file): Call stringpool_statistics if mem_report is on.
(main): Call init_stringpool.
* builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
(process_directive), c-typeck.c (constructor_asmspec, struct
initializer_stack, start_init), except.c (create_rethrow_ref),
stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
(built_in_filename), varasm,c (in_named_name,
assemble_static_space, struct constant_descriptor, struct
deferred_string, struct pool_constant, force_const_mem),
i386.c (pic_label_name, global_offset_table_name), rs6000.c
(rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
* c-common.c (combine_strings): Combine strings in scratch
buffer, then pass to build_string.
* optabs.c (init_libfuncs), profile.c (init_edge_profiler,
output_func_start_profiler), stmt.c (init_stmt), alpha.c
(alpha_need_linkage), arm.c (arm_encode_call_attribute),
i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
rs6000.c (rs6000_encode_section_info): Create string in
scratch buffer, then pass to ggc_alloc_string.
* stmt.c (expand_asm_operands): If we must adjust the
constraint strings, do so by creating a new one, not by
modifying the old one in place. Constify some char *s.
* config/pa/pa.c (hppa_encode_label): Drop unnecessary second
argument. Create string in scratch buffer, then pass to
ggc_alloc_string.
* config/pa/pa-protos.h: Update prototype.
* config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
hppa_encode_label takes only one argument.
* c-parse.in (if_prefix): Find the filename and line number at
$-2 and $-1 respectively.
* diagnostic.c (error_recursion): Add missing newline, use
fputs, translate string.
cp:
* lex.c (struct impl_files, internal_filename): Constify a char *.
java:
* jcf-parse.c (get_constant), parse.y (do_merge_string_cste):
Create string in scratch buffer, then pass to build_string.
From-SVN: r37514
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2000-11-13 Andrew Haley <aph@redhat.com>
* tree.c (build_type_no_quals): New function.
* tree.h (build_type_no_quals): Declare.
* c-common.c (c_get_alias_set): When considering type
compatibility for pointer types, ignore cv-qualifiers anywhere in
a pointer chain.
From-SVN: r37479
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* c-common.c (boolean_increment): New function.
* c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
(c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
(boolean_increment): Declare.
* c-convert.c (convert): Allow for BOOLEAN_TYPE.
* c-decl.c (init_decl_processing): Create boolean nodes.
(finish_struct): Allow for _Bool bitfields.
* c-parse.in (reswords): Add _Bool.
(rid_to_yy): Allow for RID_BOOL.
* c-typeck.c (default_conversion): Make booleans promote to int.
(convert_arguments, build_unary_op, build_modify_expr,
convert_for_assignment): Allow for booleans.
* ginclude/stdbool.h: Make conforming to C99.
cp:
* typeck.c (build_unary_op): Use boolean_increment from
c-common.c, moving the relevant code there.
testsuite:
* gcc.dg/c99-bool-1.c: New test.
From-SVN: r37428
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* builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
BUILT_IN_STRRCHR.
* builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
* c-common.c (c_common_nodes_and_builtins): Declare index and
rindex when nonansi builtins are allowed.
* extend.texi (index, rindex): Document new builtins.
testsuite:
* gcc.c-torture/execute/string-opt-3.c: Also test builtin rindex.
* gcc.c-torture/execute/string-opt-4.c: Also test builtin index.
From-SVN: r37416
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* Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
(c-dump.o): New target.
* c-common.h (flag_dump_translation_unit): New variable.
(C_TYPE_QUALS): New macro.
(strip_array_types): New function.
(DECL_C_BIT_FIELD): New macro.
(SET_DECL_C_BIT_FIELD): Likewise.
(CLEAR_DECL_C_BIT_FIELD): Likewise.
(dump_info_p): New typedef.
(dump_tree_fn): Likewise.
(lang_dump_tree): New variable.
(dump_node_to_file): New function.
* c-common.c (flag_dump_translation_unit): Define it.
(strip_array_types): New function.
* c-decl.c (c_decode_option): Handle -fdump-translation-unit.
* c-lang.c (finish_file): Call dump_node_to_file if
flag_dump_translation_unit.
* c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
* c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
* c-dump.c: New file.
* Make-lang.in (CXX_C_OBJS): Add c-dump.o.
(dump.o): Update dependency list.
* cp-tree.h (DECL_MAYBE_TEMPLATE): Remove.
(flag_dump_translation_unit): Likewise.
(CP_TYPE_QUALS): Adjust definition.
(DECL_C_BIT_FIELD): Remove.
(SET_DECL_C_BIT_FIELD): Likewise.
(CLEAR_DECL_C_BIT_FIELD): Likewise.
(add_maybe_template): Likewise.
(strip_array_types): Likewise.
(dump_node_to_file): Likewise.
(cp_dump_tree): New function.
* decl.c (init_decl_processing): Set lang_dump_tree.
* decl2.c (flag_dump_translation_unit): Remove.
* dump.c: Move most of it to ../c-dump.c.
(cp_dump_tree): New function.
* pt.c (add_maybe_template): Remove.
* typeck.c (strip_array_types): Likewise.
From-SVN: r37358
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* builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
(c_getstr): New function.
(expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
If both arguments are constant string, optimize out.
(expand_builtin_strchr, expand_builtin_strrchr): New functions.
(expand_builtin_strpbrk): Use c_getstr, do nothing if
-fcheck-memory-usage.
(expand_builtin_fputs): Likewise.
(expand_builtin_strcmp): Add MODE argument.
Use even if !HAVE_cmpstrsi.
Optimize the case when both arguments are constant strings.
(expand_builtin): Adjust expand_builtin_strcmp caller.
Call expand_builtin_strchr and expand_builtin_strrchr.
* c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
builtins.
* builtins.def (BUILT_IN_STRRCHR): Add.
* gcc.c-torture/execute/string-opt-1.c: Add test for strstr
with both arguments constant strings.
* gcc.c-torture/execute/string-opt-3.c: New test.
* gcc.c-torture/execute/string-opt-4.c: New test.
* gcc.c-torture/execute/string-opt-5.c: New test.
From-SVN: r37338
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From-SVN: r37297
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* builtins.c (expand_builtin_strpbrk): New function.
(expand_builtin): Handle BUILT_IN_STRPBRK.
* builtins.def (BUILT_IN_STRPBRK): New entry.
* c-common.c (c_common_nodes_and_builtins): Declare builtin
strpbrk.
testsuite:
* gcc.c-torture/execute/string-opt-2.c: New test.
From-SVN: r37291
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* c-common.c (get_flag_spec, check_format_info_main,
check_format_types): Use strchr () instead of index (). Compare
against error_mark_node instead of comparing the TREE_CODE against
ERROR_MARK.
From-SVN: r37205
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* builtins.c (expand_builtin_strstr): New function.
(expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
* builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
* c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
and builtin strchr.
From-SVN: r37181
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from non-volatile constant arrays and...
* c-common.c (check_format_info_recurse): Extract string constant
initializers from non-volatile constant arrays and check them as
formats.
* c-typeck.c (decl_constant_value): Don't check pedantic or check
for DECL_MODE (decl) != BLKmode.
(decl_constant_value_for_broken_optimization): New function which
includes these checks.
(default_conversion, convert_for_assignment, digest_init): Use
decl_constant_value_for_broken_optimization instead of
decl_constant_value.
testsuite:
* gcc.dg/format-array-1.c: New test.
From-SVN: r36965
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* c-common.h (flag_no_builtin): Declare.
(flag_no_nonansi_builtin): Likewise.
(c_common_nodes_and_builtins): Change prototype.
* c-common.c (flag_no_builtin): New variable.
(flag_no_nonansi_builtin): Likewise.
(c_common_nodes_and_builtins): Remove parameters. Adjust
accordingly.
* c-decl.c (flag_no_builtin): Remove.
(flag_no_nonansi_builtin): Likewise.
(init_decl_processing): Adjust call to
c_common_nodes_and_builtins.
* cp-tree.h (cp_tree_index): Add CPTI_FAKE_STD.
(fake_std_node): New macro.
* decl.c (in_std): Rename to ...
(in_fake_std): ... this.
(flag_no_builtin): Remove.
(flag_no_nonansi_builtin): Likewise.
(walk_namespaces_r): Use fake_std_node.
(push_namespace): Use std_identifier.
(pop_namespace): Use in_fake_std.
(lookup_name_real): Use fake_std_node.
(init_decl_processing): When -fhonor-std, create the `std'
namespace. Don't create a dummy fake_std_node in that case.
Adjust call to c_common_nodes_and_builtins. Use std_identifier.
(builtin_function): Put builtins whose names don't begin
with `_' in the std namespace.
* decl2.c (flag_no_builtin): Remove.
(flag_no_nonansi_builtin): Likewise.
(set_decl_namespace): Use fake_std_node.
(validate_nonmember_using_decl): Likewise.
(do_using_directive): Likewise.
(handle_class_head): Likewise.
* dump.c (dequeue_and_dump): Likewise.
* except.c (init_exception_processing): Use std_identifier.
* init.c (build_member_call): Use fake_std_node.
* rtti.c (init_rtti_processing): Use std_identifier.
From-SVN: r36940
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argument.
* c-common.c (check_format_types): Check for writing through a
NULL pointer argument.
testsuite:
* gcc.dg/c90-printf-1.c, gcc.dg/c90-scanf-1.c: Add tests for
writing through null pointers; remove comment about testing
unterminated strings.
From-SVN: r36936
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* c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
(maybe_read_dollar_number, check_format_info_main): Use them for
pedantic warning messages.
From-SVN: r36931
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* c-common.c (check_format_info_main): Minor cleanup: move
variables into inner scopes; initialize declarations where
appropriate; don't hardcode "scanf" name on warning for zero
width.
From-SVN: r36929
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* c-common.c (back_end_hook): New variable.
* c-common.h (back_end_hook): Declare it.
* c-lang.c (finish_file): Use it.
* emit-rtl.c (init_emit_once): Initialize the const_int_htab
earlier.
* cp-tree.h (back_end_hook): Remove declaration.
* decl2.c (back_end_hook): Remove definition.
* dump.c (dequeue_and_dump): Dump TREE_USED.
From-SVN: r36928
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* c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
(format_types): Use it for printf.
(maybe_read_dollar_number): Add parameter for the kind of format
involved. Warn for multiple use for arguments if this is
inappropriate for the kind of format involved.
(check_format_info_main): Update calls to maybe_read_dollar_number.
testsuite:
* gcc.dg/format-xopen-1.c: Update comments; adjust for checking
for multiple use of arguments with scanf formats; add tests for
multiple use of arguments.
From-SVN: r36905
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