gcc/
* c-common.c (c_common_truthvalue_conversion): Warn if the
address of a non-weak function is used as a truth value.
cp/
* cvt.c (ocp_convert): Move warning to C common code.
testsuite/
* gcc.dg/weak/weak-3.c: Fix for new warning.
From-SVN: r72409
PR c++/6392
* cp/tree.c (build_cplus_array_type): Handle all quals the same.
(cp_build_qualified_type_real): Look through arrays first.
* c-common.c (c_build_qualified_type): Look through arrays first.
(c_apply_type_quals_to_decl): Look through arrays.
* c-common.c (c_apply_type_quals_to_decl): Unset TREE_READONLY for
types with constructors.
From-SVN: r72259
2003-09-24 Ziemowit Laski <zlaski@apple.com>
MERGE OF objc-improvements-branch into MAINLINE.
See 'gcc/ChangeLog' and 'gcc/testsuite/ChangeLog' for
the gory details.
From-SVN: r71748
* c-common.c (handle_warn_unused_result_attribute): New function.
(c_common_attribute_table): Add warn_unused_result.
(c_expand_expr): Issue warning when result of inlined function
with warn_unused_result attribute is ignored.
* calls.c (expand_call): Issue warning when result of function
with warn_unused_result attribute is ignored.
* c-common.h (STMT_EXPR_WARN_UNUSED_RESULT): Define.
* expr.c (expr_wfl_stack): Define.
(expand_expr) <case EXPR_WITH_FILE_LOCATION>: If ignore,
pass const0_rtx as target. Chain locations into expr_wfl_stack.
* tree-inline.c (expand_call_inline): Set STMT_EXPR_WARN_UNUSED_RESULT
bit if inlined function has warn_unused_result attribute.
* input.h (expr_wfl_stack): Declare.
* doc/extend.texi: Document warn_unused_result attribute.
* gcc.dg/attr-warn-unused-result.c: New test.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r71424
* c-common.c (fname_as_string): Use lang_hooks.decl_printable_name
with verbosity 0, instead of DECL_NAME, for human-readable string.
* g++.dg/ext/fnname1.C: New test. (__func__ for C++.)
* g++.dg/ext/fnname2.C: Likewise.
* g++.dg/ext/fnname3.C: Likewise.
From-SVN: r71088
PR java/11996
Revert this change:
2003-08-19 Mark Mitchell <mark@codesourcery.com>
* c-common.c (c_common_signed_or_unsigned_type): Correctly handle
types with precisions other than those given by native machine
modes.
From-SVN: r70625
PR c++/11946
* convert.c (convert_to_integer): Use CONVERT_EXPR (instead of
NOP_EXPR) when necessary.
* c-common.c (c_common_signed_or_unsigned_type): Correctly handle
types with precisions other than those given by native machine
modes.
PR c++/11684
* cp-tree.h (grok_op_properties): Change prototype.
* decl.c (grok_op_properties): Add complain parameter.
(grokfndecl): Pass it.
* pt.c (tsubst_decl): Adjust accordingly.
PR c++/10926
* decl.c (start_method): Return immediately if push_template_decl
does not like the declaration.
* pt.c (push_template_decl_real): Disallow member template
destructors.
PR c++/11036.C
* cp-tree.h (add_binding): Add prototype.
* class.c (add_method): Set TYPE_HAS_DESTRUCTOR if appropriate.
(maybe_warn_about_overly_private_class): Use
CLASSTYPE_DESTRUCTORS.
(pushclass): Adjust call to set_identifier_type_value.
* decl.c (add_binding): Give it external linkage.
(push_local_binding): Adjust call to add_binding.
(push_class_binding): Likewise.
(set_identifier_type_value_with_scope): Change prototype. Use
add_binding for global bindings.
(set_identifier_type_value): Adjust accordingly.
(pushtag): Likewise.
(pushdecl): Use set_identifier_type_value, not
set_identifier_type_value_with_scope.
(pushdecl_namespace_level): Adjust calls to
SET_IDENTIFIER_TYPE_VALUE to pass a DECL.
(pushdecl_class_level): Likewise.
(lookup_tag): Use select_decl.
(select_decl): Improve comment.
(record_builtin_type): Do not call pushdecl.
(cxx_init_decl_processing): Do not call xref_tag for bad_alloc.
(cp_finish_decl): Adjust call to set_identifier_type_value.
(check_elaborated_type_specifier): Improve checks for invalid uses
of typedefs.
(xref_tag): Adjust call to check_elaborated_type_specifier.
* decl2.c (grokclassfn): Do not set TYPE_HAS_DESTRUCTOR.
* name-lookup.c (set_namespace_binding): Use add_binding.
* parser.c (cp_parser_simple_type_specifier): Return a TYPE_DECL,
rather than an IDENTIFIER_NODE, to represent built-in types, if
requested by the caller.
(cp_parser_postfix_expression): Adjust call.
(cp_parser_type_specifier): Likewise.
(cp_parser_elaborated_type_specifier): Adjust call to
check_elaborated_type_specifier.
* typeck2.c (build_functional_cast): Do not perform name lookups.
PR c++/10717
* decl.c (expand_static_init): Remove unncessary code.
PR c++/10926
* g++.dg/template/dtor2.C: New test.
PR c++/11684
* g++.dg/template/operator1.C: New test.
* g++.dg/parse/operator4.C: New test.
PR c++/11946.C
* g++.dg/expr/enum1.C: New test.
* gcc.dg/c99-bool-1.c: Remove bogus warning.
PR c++/11036.C
* g++.dg/parse/elab2.C: New test.
* g++.dg/parse/typedef4.C: Change error message.
* g++.old-deja/g++.robertl/eb133.C: Remove bogus error markers.
* g++.old-deja/g++.robertl/eb133a.C: Remove bogus error markers.
* g++.old-deja/g++.robertl/eb133b.C: Remove bogus error markers.
From-SVN: r70593
* builtin-types.def (BT_SSIZE): New primitive type.
(BT_FN_INT_PTR_CONST_STRING_VALIST_ARG,
BT_FN_STRING_CONST_STRING_CONST_STRING_INT,
BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR,
BT_FN_SSIZE_STRING_SIZE_CONST_STRING_VAR): New function types.
* builtins.def (BUILT_IN_DCGETTEXT, BUILT_IN_DGETTEXT,
BUILT_IN_FSCANF, BUILT_IN_GETTEXT, BUILT_IN_STRFMON,
BUILT_IN_STRFTIME, BUILT_IN_VFPRINTF, BUILT_IN_VFSCANF): New builtins.
* builtin-attrs.def: Remove DEF_FN_ATTR construct and the last
few functions that define default attributes using it.
* c-common.c (c_common_insert_default_attributes): Do nothing.
* doc/extend.texi: Document these "new" builtins.
From-SVN: r70113
PR c++/11667
* c-common.c (shorten_compare): Take into account differences
between C and C++ representation for enumeration types.
* tree.h (set_min_and_max_values_for_integral_type): Declare.
* stor-layout.c (set_min_and_max_values_for_integral_type): New
function, broken out from ...
(fixup_signed_type): ... here and ...
(fixup_unsigned_type): ... here.
PR c++/11667
* call.c (standard_conversion): Allow all integral->enumeral
conversions, after marking them as bad.
* decl.c (finish_enum): Make sure that all enumerators are
properly converted to the underlying type.
(build_enumerator): Set DECL_CONTEXT for namespace-scope
enumeration types.
* pt.c (tsubst_copy): Adjust handling of CONST_DECLs accordingly.
(tsubst_enum): Tidy.
* Make-lang.in (typeck.o): Depend on convert.h.
(class.o): Likewise.
(rtti.o): Likewise.
* call.c: Include convert.h.
(convert_arg_to_ellipsis): Use convert_to_real.
* class.c: Include convert.h.
(build_base_path): Use convert_to_integer.
* rtti.c: Include convert.h.
(build_headof): Use convert_to_integer.
* typeck.c: Include convert.h.
(decay_conversion): Use convert_to_integer.
(build_unary_op): Use build_nop.
(get_delta_difference): Use convert_to_integer.
(build_ptrmemfunc): Avoid unncessary conversions.
From-SVN: r69909
* builtins.def (BUILT_IN_PRINTF, BUILT_IN_FPRINTF): Changed from
front-end builtins to normal builtins, using DEF_LIB_BUILTIN.
(BUILT_IN_PRINTF_UNLOCKED, BUILT_IN_FPRINTF_UNLOCKED): Changed
from front-end to normal builtins, using DEF_EXT_LIB_BUILTIN.
(DEF_FRONT_END_LIB_BUILTIN): Delete.
(DEF_EXT_FRONT_END_LIB_BUILTIN): Delete.
(BUILT_IN_FWRITE_UNLOCKED): Wrap long line.
* builtins.c (build_string_literal): New function to construct
a char* pointer to a string literal.
(expand_builtin_fputs): Change 2nd argument from "int ignore" to
"rtx target" to be consistent with other expand_builtin_* functions.
Change 3rd argument from "int unlocked" to "bool unlocked".
(expand_builtin_printf): Rewrite of c_expand_builtin_printf from
c-common.c to avoid front-end dependencies. Optimize printf("")
as a no-op when the result isn't required. Handle embedded NULs
in format string.
(expand_builtin_fprintf): A rewrite of c_expand_builtin_fprintf
from c-common.c to avoid front-end dependencies. Likewise, optimize
fprintf(fp,"") as a no-op when the result isn't required, evaluating
fp for side-effects. Handle embedded NULs in format string.
(expand_builtin_sprintf): Fix typo.
(expand_builtin): Don't expand BUILT_IN_FPRINT{,_UNLOCKED} when not
optimizing. Adjust calls of expand_builtin_fputs to match the API
change. Expand BUILT_IN_PRINTF and BUILT_IN_PRINTF_UNLOCKED using
expand_builtin_printf. Likewise, expand BUILT_IN_FPRINTF_UNLOCKED
and BUILT_IN_FPRINTF using expand_builtin_fprintf.
* c-common.c (is_valid_printf_arglist): Delete.
(c_expand_builtin): Delete.
(c_expand_builtin_printf): Moved to builtins.c. Delete.
(c_expand_builtin_fprintf): Moved to builtins.c. Delete.
(c_expand_expr): No longer treat CALL_EXPRs specially.
(CALLED_AS_BUILT_IN): Delete.
From-SVN: r69760
* tree.h (boolean_type_node): Move from C/C++/Java frontends.
(boolean_true_node, boolean_false_node): Likewise.
(enum tree_index): Add TI_BOOLEAN_{TYPE,FALSE,TRUE}.
* tree.c (build_common_tree_nodes): Init boolean_type_node.
(build_common_tree_nodes_2): Init boolean_{true,false}_node.
* stor-layout.c (set_sizetype): Handle an early BOOLEAN_TYPE.
* c-common.h (truthvalue_type_node): Renamed from boolean_type_node.
(truthvalue_true_node): Renamed from boolean_true_node.
(truthvalue_false_node): Renamed from boolean_false_node.
* c-decl.c: Just set truthvalue_* to integer_*.
* c-*.[ch]: s/boolean/truthvalue/. s/c_bool/boolean/.
* cp/decl.c: Just set truthvalue_* to boolean_*.
* java/java-tree.h: Move boolean_type_node et al to the back end.
From-SVN: r69758
* c-common.c (handle_packed_attribute): Don't pack a struct via a
typedef. Propagate packedness from a main variant.
testsuite:
* gcc.dg/pack-test-3.c: New test.
From-SVN: r69668
2003-07-16 Andrew Pinski <pinskia@physics.uc.edu>
ChangeLog:
PR c/10962
* ggc.h: Add header guards.
* c-decl.c (finish_struct): Sort fields if
number greater than 15 and there are no
anonymous structs/unions.
* c-common.h: Include ggc.h.
(sorted_fields_type): New struct.
(field_decl_cmp): New prototype.
(resort_sorted_fields): New prototype.
(DECL_DECLARES_TYPE_NON_TEMPLATE_P): New macro.
* c-tree.h: (lang_type): Use pointer to sorted_fields_type
as s, removing other fields.
* c-typeck.c (lookup_field): Use s in lang_type.
These were mostly moved from cp/class.c:
* c-common.c (field_decl_cmp): New static function.
(field_decl_cmp): New function.
(resort_sorted_fields): New function.
cp/ChangeLog:
* class.c (field_decl_cmp): Remove.
(resort_field_decl_cmp): Remove.
(resort_sorted_fields): Remove.
(add_fields_to_vec): Rename to ...
(add_fields_to_record_type): this.
(finish_struct_1): Change to be using
sorted_fields_type's fields.
* cp-tree.h (lang_decl): In lang_decl_u3
change sorted_fields to be a pointer to
sorted_fields_type.
(resort_sorted_fields): Remove prototype.
* search.c (lookup_field_1): Change to be using
sorted_fields_type's fields.
From-SVN: r69470
* cpplib.h (CPP_AT_NAME, CPP_OBJC_STRING): New token types.
(struct cpp_options): Add narrow_charset, wide_charset,
bytes_big_endian fields. Remove EBCDIC field.
(cpp_init_iconv, cpp_interpret_string): New external interfaces.
* cpphash.h: Include <iconv.h> if we have it, otherwise
provide a dummy definition of iconv_t.
(struct cpp_reader): Add narrow_cset_desc and wide_cset_desc fields.
(_cpp_valid_ucn): Update prototype.
(_cpp_destroy_iconv): New prototype.
* doc/cpp.texi: Document character set handling.
* doc/cppopts.texi: Document -fexec-charset= and -fexec-wide-charset=.
* doc/extend.texi: Delete entire section on multiline strings.
Rewrite section on __FUNCTION__ etc now that these are
variables in C.
* cppucnid.tab, cppucnid.pl: New files.
* cppucnid.h: New generated file.
* cppcharset.c: Include cppucnid.h. Lots of commentary added.
(iconv_open, iconv, iconv_close): Provide dummy definitions
if !HAVE_ICONV.
(SOURCE_CHARSET, struct strbuf, init_iconv_desc, cpp_init_iconv,
_cpp_destroy_iconv, convert_cset, width_to_mask, convert_ucn,
emit_numeric_escape, convert_hex, convert_oct, convert_escape,
cpp_interpret_string, narrow_str_to_charconst,
wide_str_to_charconst): New.
(ucn_valid_in_identifier): Use a binary search through the
ucnranges table defined in cppucnid.h, not a long chain of if
statements.
(_cpp_valid_ucn): Add a limit pointer. Downgrade "universal
character names are only valid in C++ and C99" to a warning.
Issue the "meaning of \[uU] is different in traditional C"
warning here. Take care not to let iconv see an invalid UCS
value if we get a malformed UCN. Issue an error if we don't
have iconv.
(cpp_interpret_charconst): Moved here from cpplex.c. Use
cpp_interpret_string to do the heavy lifting.
* cppinit.c (cpp_create_reader): Initialize bytes_big_endian,
narrow_charset, wide_charset fields of options structure.
(cpp_destroy): Call _cpp_destroy_iconv.
* cpplex.c (forms_identifier_p): Adjust call to _cpp_valid_ucn.
(maybe_read_ucn, hex_digit_value, cpp_parse_escape): Delete.
(cpp_interpret_charconst): Moved to cppcharset.c.
* cpplib.c (dequote_string): Delete.
(interpret_string_notranslate): New.
(do_line, do_linemarker): Use interpret_string_notranslate.
* Makefile.in (cppcharset.o): Depend on cppucnid.h.
* c-common.c (fname_string, combine_strings): Delete.
* c-common.h (fname_string, combine_strings): Delete prototypes.
* c-lex.c (ignore_escape_flag): Delete.
(cb_ident): Use cpp_interpret_string, not lex_string.
(get_nonpadding_token): New function.
(c_lex): Handle Objective-C @-prefixed identifiers and strings here.
Adjust calls to lex_string. Don't write *value twice.
(lex_string): Now handles string constant concatenation.
Most of the work handed off to cpp_interpret_string.
Call fix_string_type here.
* c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): Replace with
FUNC_NAME, throughout.
(OBJC_STRING): New token type.
(primary:STRING): No need to call fix_string_type here.
(primary:objc_string): Make that OBJC_STRING.
(objc_string nonterminal): Delete.
(yylexname): Delete code to handle fake string constants.
(yylexstring): Delete entirely.
(_yylex): Handle CPP_AT_NAME and CPP_OBJC_STRING. No need
to handle CPP_ATSIGN.
* c.opt (-fexec-charset=, -fwide-exec-charset=): New options.
* c-opts.c (missing_arg, c_common_handle_option): Handle
OPT_fexec_charset_ and OPT_fwide_exec_charset_.
(c_common_init): Set cpp_opts->bytes_big_endian, not
cpp_opts->EBCDIC. Call cpp_init_iconv.
(print_help): Document -fexec-charset= and -fexec-wide-charset=.
(TARGET_EBCDIC): Delete default definition.
* objc/objc-act.c (build_objc_string_object): No need to
handle string constant concatenation.
cp:
* parser.c (cp_lexer_read_token): No need to handle string
constant concatenation.
testsuite:
* gcc.c-torture/execute/wchar_t-1.x: New file; XFAIL wchar_t-1.c
everywhere.
* gcc.dg/concat.c: Concatenation of string constants with
__FUNCTION__ / __PRETTY_FUNCTION__ is now a hard error.
* gcc.dg/wtr-strcat-1.c: Loosen dg-warning regexp.
* gcc.dg/cpp/escape-2.c: Use wide character constants where
necessary to avoid multi-character character constant warning.
* gcc.dg/cpp/escape.c: Likewise.
* gcc.dg/cpp/ucs.c: Likewise.
Remove backslashes from dg-bogus comments, as they confuse Tcl.
Fix a typo.
libstdc++-v3:
* testsuite/22_locale/collate/compare/wchar_t/2.cc
* testsuite/22_locale/collate/compare/wchar_t/wrapped_env.cc
* testsuite/22_locale/collate/compare/wchar_t/wrapped_locale.cc
* testsuite/22_locale/collate/hash/wchar_t/2.cc
* testsuite/22_locale/collate/hash/wchar_t/wrapped_env.cc
* testsuite/22_locale/collate/hash/wchar_t/wrapped_locale.cc
* testsuite/22_locale/collate/transform/wchar_t/2.cc
* testsuite/22_locale/collate/transform/wchar_t/wrapped_env.cc
* testsuite/22_locale/collate/transform/wchar_t/wrapped_locale.cc:
XFAIL on all targets.
From-SVN: r68952
Add a new flag, -W(no-)invalid-offsetof, to control whether or
not the compiler warns about incorrect use of the offsetof macro
in C++. By default the warning is on.
From-SVN: r66972
PR c/10604
* c-common.c (warn_sign_compare): Initialize to -1.
* c-opts.c (c_common_init_options): Don't set warn_sign_compare here.
(c_common_decode_option <OPT_Wall>): Set warn_sign_compare
for C++ only.
(c_common_post_options): Set warn_sign_compare from extra_warnings
if it's still -1 at this point.
* toplev.c (maybe_warn_unused_parameter): New static variable.
(set_Wextra): New static function.
(W_options): Remove "extra".
(decode_W_option): Call set_Wextra.
(independent_decode_option): Likewise.
(set_Wunused): Cooperate with set_Wextra in setting
warn_unused_parameter.
(rest_of_compilation): No need to check extra_warnings as
well as warn_uninitialized.
* c-typeck.c (build_binary_op, build_conditional_expr):
No need to check extra_warnings as well as warn_sign_compare.
(internal_build_compound_expr): No need to check extra_warnings
as well as warn_unused_value.
* function.c (expand_function_end): No need to check extra_warnings
as well as warn_unused_parameter.
* stmt.c (expand_expr_stmt_value): No need to check extra_warnings
as well as warn_unused_value.
* cp/typeck.c (build_x_compound_expr): No need to check
extra_warnings as well as warn_unused_value.
* doc/invoke.texi: Clarify documentation of -Wsign-compare.
* gcc.dg/compare7.c, g++.dg/warn/compare1.C: New testcases.
* Makefile.in: Disable -Werror for gengtype-lex.o.
From-SVN: r66436
* c-common.c (if_elt): Use location_t in lieu of "file, line" pair.
(c_expand_start_cond): Adjust.
(c_expand_end_cond): Don't use warning_with_file_and_file.
(shadow_warning): Likewise.
From-SVN: r66304
2003-04-10 Zack Weinberg <zack@codesourcery.com>
* c-decl.c (struct binding_level): Add shadowed_tags and
function_body; remove this_block, tag_transparent, and
subblocks_tag_transparent; update comments.
(clear_binding_level, lookup_tag_reverse): Kill.
(make_binding_level): Use ggc_alloc_cleared or memset.
(lookup_tag): Remove struct binding_level* parameter. All
callers changed. Just look at IDENTIFIER_TAG_VALUE, and
current_binding_level->tags if asked for thislevel_only or if
we might have to diagnose "struct foo; union foo;"
(pushlevel): Ignore argument. Do not push another binding
level on the transition from the parameters to the top level
of the function body; just tweak the flags and proceed.
(poplevel): Overhaul. Clear IDENTIFIER_TAG_VALUEs; on exiting
a function body, separate the parameter list from the
top-level local variables.
(set_block): Do nothing.
(pushtag): Set IDENTIFIER_TAG_VALUE and add an entry to
shadowed_tags if necessary.
(warn_if_shadowing): Nuke the special case for local shadowing
parameter.
(pushdecl): Do not create a shadow entry if we are replacing
an older decl in the same binding level.
(pushdecl_function_level): Tweak for new way of indicating
function scope.
(shadow_tag_warned): Use TYPE_NAME, not lookup_tag_reverse.
(start_function): Don't set subblocks_tag_transparent.
(finish_function): Fix up the binding_level stack for totally
empty functions. Otherwise, don't call poplevel.
* c-common.c (shadow_warning): MANDATORY argument is no longer
necessary. Always use plain warning.
* c-common.h: Update to match.
* cfglayout.c (scope_to_insns_initialize): Clear block when we
hit the FUNCTION_DECL.
* function.c: Do not create cyclic tree structure.
2003-04-10 Zack Weinberg <zack@codesourcery.com>
* c-tree.h (struct lang_identifier): Replace global_value,
local_value members with symbol_value, tag_value. Kill
implicit_decl and limbo_value.
(IDENTIFIER_GLOBAL_VALUE, IDENTIFIER_LOCAL_VALUE,
IDENTIFIER_LIMBO_VALUE, IDENTIFIER_IMPLICIT_DECL,
C_MISSING_PROTOTYPE_WARNED): Kill.
(IDENTIFIER_SYMBOL_VALUE, IDENTIFIER_TAG_VALUE,
C_DECL_IMPLICIT, C_DECL_ISNT_PROTOTYPE): New.
(C_DECL_ANTICIPATED): Rename to C_DECL_INVISIBLE.
(implicit_decl_warning, lookup_name_current_level,
record_function_scope_shadow): Don't prototype.
(pushdecl_function_level): Prototype.
* c-decl.c (truly_local_externals): New variable.
(struct binding_level): Adjust commentary.
(get_function_binding_level, clear_limbo_values,
record_function_scope_shadow): Kill.
(lookup_name_current_level, implicit_decl_warning): Are now static.
(any_external_decl, record_external_decl): New static functions.
(clone_underlying type): Split out of pushdecl.
(c_print_identifier): Update to match changes to struct
lang_identifier.
(poplevel): Delete #if 0 block. Make externals invisible
instead of clearing their IDENTIFIER_SYMBOL_VALUEs. Don't
call clear_limbo_values. Refer to IDENTIFIER_SYMBOL_VALUE not
IDENTIFIER_GLOBAL_VALUE or IDENTIFIER_LOCAL_VALUE.
(duplicate-decls): For real parm decl after a forward decl,
set TREE_ASM_WRITTEN here. Allow void foo(...) followed by
foo(...) { } with only a warning. Say whether a previous
declaration was implicit.
(warn_if_shadowing): Now handles all shadowing, not just
local-over-local. Clarify comments.
(pushdecl): Rewritten. There is no longer a distinction
between global and local symbol values; they're all
IDENTIFIER_SYMBOL_VALUE. Call record_external_decl on all
DECL_EXTERNAL decls, and use any_external_decl to check
against previous externals. Kill #if 0 blocks. Don't
tolerate error_mark_node being NULL.
(pushdecl_top_level): Handle only those cases which
Objective C (the only user) needs.
(pushdecl_function_level): New function.
(implicitly_declare): Create ordinary decls with
C_DECL_IMPLICIT set. Recycle old decls, however they got
created.
(lookup_name): It's always IDENTIFIER_SYMBOL_VALUE. Return 0
for C_DECL_INVISIBLE symbols.
(lookup_name_current_level): Likewise. Use chain_member.
(c_make_fname_decl): Don't muck with DECL_CONTEXT.
Use pushdecl_function_level.
(builtin_function): Use C_DECL_INVISIBLE.
(start_function): Don't muck with IDENTIFIER_IMPLICIT_DECL.
Use C_DECL_ISNT_PROTOTYPE and C_DECL_IMPLICIT.
(store_parm_decls): It's IDENTIFIER_SYMBOL_VALUE now.
(identifier_global_value): Same. Must scan
global_binding_level in extremis.
* c-typeck.c (undeclared_variable): New static function, split
from build_external_ref.
(build_external_ref): Use DECL_CONTEXT, not
IDENTIFIER_LOCAL_VALUE, to decide whether a local hides
an instance variable. Restructure for clarity.
* objc/objc-act.c: Use identifier_global_value, not
IDENTIFIER_GLOBAL_VALUE.
cp:
* decl.c: Update all calls to shadow_warning.
testsuite:
* gcc.c-torture/execute/builtin-noret-2.c: New.
* gcc.c-torture/execute/builtin-noret-2.x: New.
XFAIL builtin-noret-2.c at -O1 and above.
* gcc.dg/redecl.c: New.
* gcc.dg/Wshadow-1.c: Update error regexps.
From-SVN: r65460
2003-04-09 Steven Bosscher <steven@gcc.gnu.org>
* c-common.h (lang_statement_code_p): Remove declaration.
(statement_code_p): Ditto.
(c_common_stmt_codes): Define; list of c-common statement codes.
(statement_code_p): New extern declaration.
(STATEMENT_CODE_P): Define.
(INIT_STATEMENT_CODES): Define.
* c-common.c (statement_code_p): Kill the function, declare
as an array of bools instead.
(lang_statement_code_p): Remove.
(walk_stmt_tree): Use STATEMENT_CODE_P not statement_code_p.
(c_safe_from_p): Ditto.
* c-objc-common.c (c_objc_common_init): Use INIT_STATEMENT_CODES
to initialize the statement_code_p array.
* tree-inline.c (walk_tree): Use STATEMENT_CODE_P instead of
statement_code_p.
(copy_tree_r): Ditto.
* cp/cp-tree.h (cp_stmt_codes): Define; list of C++ specific
statement tree codes.
* cp/lex.c (cxx_init): Add missing print line break. Use
INIT_STATEMENT_CODES to initialize the statement_code_p array.
* cp/parser.c (cp_parser_statement): Use STATEMENT_CODE_P
instead of statement_code_p.
* cp/pt.c (tsubst_expr): Ditto.
* cp/tree.c (verify_stmt_tree_r): Ditto.
(cp_statement_code_p): Remove.
(init_tree): Don't set lang_statement_code_p, it's gone.
From-SVN: r65422
PR middle-end/9986
* c-common.c (c_common_nodes_and_builtins): Initialize target builtins
after the common builtins.
* pa-hpux.h (DONT_HAVE_FPUTC_UNLOCKED): Define.
* pa.c (TARGET_INIT_BUILTINS): Define.
(pa_init_builtins): New function.
* pa.md (call, call_value, sibcall, sibcall_value): When sufficient
space has been allocated for the outgoing arguments, set the arg
pointer for a call emitted after virtuals have been instantiated
using the stack pointer offset, otherwise abort.
From-SVN: r64043
* c-common.c (builtin_define_float_constants): Define
__<TYPE>_HAS_INFINITY__ and __<TYPE>_HAS_QUIET_NAN__.
* call.c (build_field_call): Use build_new_op, not build_opfncall.
(prep_operand): New function.
(build_new_op): Use it. Remove dead code.
* class.c (pushclass): Change "modify" parameter type from int to
bool.
(currently_open_class): Use same_type_p, not pointer equality.
(push_nested_class): Adjust calls to pushclass, remove modify
parameter.
* cp-tree.h (INTEGRAL_OR_ENUMERATION_TYPE_P): New macro.
(pushclass): Change prototype.
(push_nested_class): Likewise.
(grokoptypename): Remove.
(build_opfncall): Remove.
(value_dependent_expression_p): Declare.
(resolve_typename_type): Likewise.
(resolve_typename_type_in_current_instantiation): Likewise.
(enter_scope_of): Remove.
(tsubst): Remove.
(tsubst_expr): Likewise.
(tsubst_copy): Likewise.
(tsubst_copy_and_build): Likewise.
* decl.c (warn_about_implicit_typename_lookup): Remove.
(finish_case_label): Return error_mark_node for erroneous labels.
(start_decl): Adjust calls to push_nested_class.
(grokfndecl): Call push_scope/pop_scope around call to
duplicate_decls.
(grokdeclarator): Do not call tsubst.
(start_function): Adjust calls to push_nested_class.
* decl2.c (grok_array_decl): Use build_new_op, not build_opfncall.
(check_classfn): Use push_scope/pop_scope around type comparisions.
(grokoptypename): Remove.
(push_sscope): Adjust call to push_nested_class.
* error.c (dump_type): Show cv-qualification of typename types.
* init.c (build_member_call): Use build_new_op, not
build_opfncall.
* method.c (build_opfncall): Remove.
* parser.c (cp_parser): Add allow_non_constant_expression_p and
non_constant_expression_p.
(cp_parser_constant_expression): Adjust prototype.
(cp_parser_resolve_typename_type): Remove.
(cp_parser_non_constant_expression): New function.
(cp_parser_non_constant_id_expression): Likewise.
(cp_parser_new): Set allow_non_constant_expression_p and
non_constant_expression_p.
(cp_parser_primary_expression): Reject `this' and `va_arg' in
constant-expressions. Note that dependent names aren't really
constant.
(cp_parser_postfix_expression): Reject conversions to non-integral
types in constant-expressions. Neither are increments or
decrements.
(cp_parser_unary_expression): Reject increments and decrements in
constant-expressions.
(cp_parser_direct_new_declarator): Adjust call to
cp_parser_constant_expression.
(cp_parser_cast_expression): Reject conversions to non-integral
types in constant-expressions.
(cp_parser_assignment_expression): Rejects assignments in
constant-expressions.
(cp_parser_expression): Reject commas in constant-expressions.
(cp_parser_labeled_statement): Adjust call to
cp_parser_constant_expression.
(cp_parser_direct_declarator): Simplify array bounds, even in
templates, when they are non-dependent. Use
resolve_typename_type, not cp_parser_resolve_typename_type.
(cp_parser_class_head): Use resolve_typename_type, not
cp_parser_resolve_typename_type.
(cp_parser_member_declaration): Adjust call to
cp_parser_constant_expression.
(cp_parser_constant_initializer): Likewise.
(cp_parser_constructor_declarator): Use resolve_typename_type, not
cp_parser_resolve_typename_type.
(cp_parser_late_parsing_default_args): Adjust call to
push_nested_class.
* pt.c (tsubst): Give it internal linkage.
(tsubst_expr): Likewise.
(tsubst_copy): Likewise.
(tsubst_copy_and_build): Likewise.
(push_access_scope_real): Likewise.
(tsubst_friend_class): Likewise.
(instantiate_class_template): Adjust call to pushclass.
(value_dependent_expression_p): Give it external linkage.
Robustify.
(resolve_typename_type): New function.
* semantics.c (finish_call_expr): Use build_new_op, not
build_opfncall.
(begin_constructor_declarator): Remove.
(begin_class_definition): Adjust call to pushclass.
(enter_scope_of): Remove.
* typeck.c (comptypes): Resolve typename types as appropriate.
(build_x_indirect_ref): Use build_new_op, not build_opfncall.
(build_x_compound_expr): Likewise.
(build_modify_expr): Likewise.
(build_x_modify_expr): Likewise.
* typeck2.c (build_x_arrow): Likewise.
* g++.dg/parser/constant1.C: New test.
* include/std/std_limits.h (numeric_limits<float>::has_infinity):
Use __FLT_HAS_INIFINITY__ to initialize.
(numeric_limits<float>::has_quiet_NaN): Likewise.
(numeric_limits<double>::has_infinity): Use __DBL_HAS_INIFINITY__
to initialize.
(numeric_limits<double>::has_quiet_NaN): Likewise.
(numeric_limits<long double>::has_infinity): Use
__LDBL_HAS_INIFINITY__ to initialize.
(numeric_limits<long_double>::has_quiet_NaN): Likewise.
From-SVN: r62130
gcc/
* real.c (real_to_decimal): Accept BUF_SIZE and CROP_TRAILING_ZEROS
as arguments. Bound DIGITS by the available buffer size.
(real_to_hexadecimal): Likewise.
* real.h (real_to_decimal, real_to_hexadecimal): Update prototypes.
(REAL_VALUE_TO_DECIMAL): Remove.
* c-common.c, c-pretty-print.c, print-rtl.c, print-tree.c,
sched-vis.c, config/arc/arc.c, config/c4x/c4x.c, config/fr30/fr30.c,
config/i370/i370.h, config/i386/i386.c, config/i960/i960.c,
config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
config/m68k/hp320.h, config/m68k/m68k.h, config/m68k/sun2o4.h,
config/m68k/sun3.h, config/mips/mips.c, config/ns32k/ns32k.c,
config/pdp11/pdp11.h, config/vax/vax.h: Update all callers to
use real_to_decimal directly, and with the proper arguments.
* doc/tm.texi (REAL_VALUE_TO_DECIMAL): Remove.
gcc/cp/
* error.c (dump_expr): Use real_to_decimal directly, and with
the new arguments.
gcc/f/
* target.h (ffetarget_print_real1, ffetarget_print_real2): Use
real_to_decimal directly, and with the new arguments.
From-SVN: r58187
* c-common.c (flag_abi_version): New variable.
* c-common.h (flag_abi_version): Declare it.
* c-opts.c (missing_arg): Add -fabi-version.
(c_common_decode_option): Process -fabi-version.
* doc/invoke.texi (-fabi-version): Document it.
(-Wabi): Add information about bit-fields in unions.
* cp/class.c (layout_virtual_bases): Do not round the size of the
type to a multiple of the alignment before laying out virtual bases.
(layout_class_type): Correct handling of bit-fields that are wider
than their type inside unions. Round the size of the type to a
even number of bytes when computing the size without virtual
bases.
* cp/cp-tree.h (abi_version_at_least): New macro.
* g++.dg/abi/bitfield6.C: New test.
* g++.dg/abi/bitfield7.C: New test.
* g++.dg/abi/bitfield8.C: New test.
* g++.dg/abi/vbase11.C: New test.
From-SVN: r57432
* machmode.def (V1DImode): New mode. A single element vector.
* tree.h (TI_UV1DI_TYPE, TI_V1DI_TYPE): New tree_index enums.
(unsigned_V1DI_type_node, V1D1_type_node): New type nodes.
* tree.c (build_common_tree_nodes_2): Build
unsigned_V1DI_type_node and V1D1_type_node.
* c-common.c (c_common_type_for_mode): Return
unsigned_V1DI_type_node or V1D1_type_node for V1DImode.
* rtl.c (class_narrowest_): Start integer vector nodes with V1DImode.
From-SVN: r57248
gcc/
2002-08-28 Gabriel Dos Reis <gdr@integrable-solutions.net>
* c-common.c (builtin_define_type_precision): New function.
(cb_register_builtins): Use it. Define __WCHAR_UNSIGNED__ is
wchar_t is unsigned in C++.
* doc/cpp.texi (Common Predefined Macros): Document
__WCHAR_UNSIGNED__, __CHAR_BIT__, __WCHAR_BIT__, __SHRT_BIT__,
__INT_BIT__, __LONG_BIT__, __LONG_LONG_BIT__, __FLOAT_BIT__,
__DOUBLE_BIT__, __LONG_DOUBLE_BIT__.
libstdc++-v3/
2002-08-28 Gabriel Dos Reis <gdr@integrable-solutions.net>
* include/std/std_limits.h (__glibcpp_char_bits,
__glibcpp_short_bits, __glibcpp_int_bits,
__glibcpp_long_bits,
__glibcpp_long_long_bits, __glibcpp_float_bits,
__glibcpp_double_bits, __glibcpp_long_double_bits):
Remove. Use
compiler predifined macros.
(__glibcpp_wchar_t_is_signed): Define based on compiler
predefined
__WCHAR_UNSIGNED__.
From-SVN: r56646
* c-common.c (c_expand_expr) [STMT_EXPR]: If the last expression is
a VAR_DECL with RTL that matches the target, just return that RTL.
From-SVN: r56083
* c-common.c (c_common_init): -Wtraditional also implies -Wlong-long.
* cppinit.c (cpp_post_options): Likewise.
* cppexp.c (cpp_classify_number): Suppress -Wtraditional
warning about 'LL' suffix (but not 'ULL' etc) when
-Wno-long-long is in effect.
* cppmacro.c (_cpp_builtin_macro_text) [BT_TIME, BT_DATE]:
Check for failing time()/localtime(), issue a warning, and
make __TIME__ and __DATE__ expand to fallback strings.
* doc/cpp.texi, doc/extend.texi: Document behavior of __DATE__
and __TIME__ when the date and time cannot be determined.
From-SVN: r55969
2002-08-01 Toon Moene <toon@moene.indiv.nluug.nl>
* c-common.c (cb_register_builtins): Set
__FINITE_MATH_ONLY__ to 1 if -ffinite-math-only
is given, and to 0 otherwise.
* combine.c (simplify_if_then_else): HONOR_NANS
implies FLOAT_MODE_P.
From-SVN: r55932
* c-common.c (cb_register_builtins): If C++, define
__EXCEPTIONS, __DEPRECATED and __GXX_ABI_VERSION as appropriate.
* gcc.c (cpp_unique_options): Remove __GXX_ABI_VERSION.
cp:
* lang-specs.h: Simplify in accordance with new code in
c-common.c.
From-SVN: r55924
* c-common.c: Define all C/ObjC/C++ warning and flag variables.
* c-common.h: Declare all C/ObjC/C++ warning and flag variables.
* c-decl.c: Move all warning and flag variables to c-common.c.
* c-format.c: Move all warning variables to c-common.c.
* c-tree.h: Move all warning and flag declarations to c-common.h.
* objc/objc-act.c: Move all warning variables to c-common.c.
(flag_warn_protocol): Rename warn_protocol.
cp:
* cp-tree.h: Move all warning and flag declarations to c-common.h.
* decl.c: Move all warning and flag variables to c-common.c.
* decl2.c: Move all warning and flag variables to c-common.c.
* lex.c (flag_digraphs): Remove.
(warn_traditional): Now in c-common.c.
From-SVN: r55923
2002-07-30 Toon Moene <toon@moene.indiv.nluug.nl>
* flags.h: Declare flag_finite_math_only.
Use it in definition of HONOR_NANS and
HONOR_INFINITIES.
* c-common.c (cb_register_builtins): Emit
__FINITE_MATH_ONLY__ when flag_finite_math_only
is set.
* combine.c (simplify_if_then_else): If
flag_finite_math_only is set, a == b has a
definite value.
* toplev.c: Initialize flag_finite_math_only.
(set_flags_fast_math): Set it on -ffast-math.
(flag_fast_math_set_p): Test it.
doc:
* invoke.texi: Document -ffinite-math-only.
f:
* com.c (ffe_init_options): Set
flag_finite_math_only.
* invoke.texi: Document -fno-finite-math-only.
From-SVN: r55887
* Makefile.in: rtlanal.o now depends upon real.h.
* flags.h [flag_signaling_nans]: New flag.
[HONOR_SNANS]: New macro.
* toplev.c [flag_signaling_nans]: Initialize to false.
(f_options): Add processing for "-fsignaling-nans".
(set_fast_math_flags): Clear flag_signaling_nans with -ffast-math.
(process_options): flag_signaling_nans implies flag_trapping_math.
* c-common.c (cb_register_builtins): Define __SUPPORT_SNAN__
when -fsignaling-nans. First step to implementing WG14's N965.
* fold-const.c (fold) [MULT_EXPR]: Conditionalize transforming
1.0 * x into x, and -1.0 * x into -x on !HONOR_SNANS.
[RDIV_EXPR]: Conditionalize x/1.0 into x on !HONOR_SNANS.
* simplify-rtx.c (simplify_relational_operation): Conditionalize
transforming abs(x) < 0.0 into false on !HONOR_SNANS.
* rtlanal.c: #include real.c for TARGET_FLOAT_FORMAT definitions
required by HONOR_SNANS. (may_trap_p): Floating point DIV, MOD,
UDIV, UMOD, GE, GT, LE, LT and COMPARE may always trap with
-fsignaling_nans. EQ and NE only trap for flag_signaling_nans
not flag_trapping_math (i.e. HONOR_SNANS but not HONOR_NANS).
* doc/invoke.texi: Document new -fsignaling-nans compiler option.
From-SVN: r55804
* c-common.c (c_sizeof_or_alignof_type): Take a third argument for
complaining.
* c-common.h (c_sizeof): Adjust definition.
(c_alignof): Likewise.
* c-tree.h (c_sizeof_nowarn): Now macro.
* c-typeck.c (c_sizeof_nowarn): Remove definition.
cp/
* cp-tree.h (cxx_sizeof_nowarn): Now a macro.
(cxx_sizeof_or_alignof_type): Take a third argument.
(cxx_sizeof): Adjust definition.
(cxx_alignof): Likewise.
* init.c (build_delete): Use cxx_sizeof_nowarn to reflect reality.
* typeck.c (cxx_sizeof_or_alignof_type): Take a third argument for
complaining.
(c_sizeof_nowarn): Remove definition.
(build_unary_op): Use cxx_sizeof_nowarn.
From-SVN: r55744
2002-07-21 Gabriel Dos Reis <gdr@nerim.net>
Fix PR/7363:
* c-common.c (c_sizeof_or_alignof_type): New function.
(c_alignof): Remove definition.
* c-common.h (c_sizeof, c_alignof): Define as macros.
(c_sizeof_or_alignof_type): Declare.
(my_friendly_assert): Moved from cp/cp-tree.h
* c-typeck.c (c_sizeof): Remove definition.
cp/
2002-07-21 Gabriel Dos Reis <gdr@nerim.net>
Fix PR/7363:
* typeck.c (cxx_sizeof_or_alignof_type): New function.
(c_sizeof): Remove definition.
(expr_sizeof): Use cxx_sizeof.
* decl2.c (build_expr_from_tree): Use cxx_sizeof_or_alignof_type.
* decl.c (finish_destructor_body): Use cxx_sizeof.
* semantics.c (finish_alignof): Likewise.
(finish_alignof): Use cxx_alignof.
* cp-tree.h (cxx_sizeof, cxx_alignof): New macros.
(cxx_sizeof_or_alignof_type): Declare.
(my_friendly_assert): Move to ../c-common.h.
From-SVN: r55678
* c-common.c (c_common_post_options): Update prototype;
don't init backends if preprocessing only.
* langhooks-def.h (LANG_HOOKS_POST_OPTIONS): Update.
* langhooks.h (struct lang_hooks): Update post_options to
return a boolean.
* toplev.c (parse_options_and_default_flags, do_compile,
lang_independent_init): Update prototypes. Allow the
front end to specify that there is no need to initialize
the back end.
(general_init): Move call to hex_init here...
(toplev_main): ...from here. Pass flag for back end init
suppression.
java:
* lang.c (java_post_options): Update prototype.
From-SVN: r55306
PR c++/7099
* builtin-attrs.def: Define new attribute lists for use in
builtins.def.
* builtins.def [DEF_BUILTIN]: Modify to take an additional
ATTRS argument, an enumerated value defined in builtin-attrs.def
that represents the attribute list for the builtins. Modify
all builtin functions to pass an appropriate attribute list.
Specify "abort", "exit", "_exit" and "_Exit" builtins here with
their required noreturn attributes.
* tree.h (enum_builtin_function): Ignore the additional parameter
to DEF_BUILTIN.
* builtins.c (built_in_names): Likewise.
* c-common.c: (builtin_function_2): Replace the "int noreturn_p"
argument with a tree representing the functions attribute list.
Pass this "attrs" argument to builtin_function. No longer handle
the noreturn_p processing manually.
(built_in_attributes): Move the definitions from builtin-attrs.def
before c_common_nodes_and_builtins.
(c_common_nodes_and_builtins): Handle the new ATTRS parameter in
DEF_BUILTIN, passing it to both builtin_function and the changed
builtin_function_2.
* doc/extend.texi: Document __builtin_abort, __builtin_exit,
__builtin__exit and __builtin__Exit.
* java/builtins.c (initialize_builtins): Ignore the additional
parameter to DEF_BUILTIN. Handle more C/C++ specific junk in
the builtins.def file.
From-SVN: r55276
* c-common.c (c_common_get_alias_set): Correctly handle characters.
Rearrange order of expressions; don't handle vectors here.
* alias.c (get_alias_set): Let vectors match their components.
From-SVN: r54821
2002-06-16 Aldy Hernandez <aldyh@redhat.com>
* gcc.c-torture/execute/simd-1.c: New.
* gcc.dg/simd-1.c: New.
* doc/extend.texi (Vector Extensions): Document that we can
specify simd types not specifically supported by the hardware.
Document that simd types can be used as function arguments.
Document that signness does make a difference in SIMD types.
Misc cleanups and revisions to the "vector extensions" section.
* simplify-rtx.c (simplify_subreg): Simplify subregs of vector
constants.
* expr.c (vector_mode_valid_p): New.
* expr.h: Add vector_mode_valid_p.
* defaults.h (VECTOR_MODE_SUPPORTED_P): Set default.
* emit-rtl.c (immed_double_const): Do not abort on vectors.
* c-common.c (type_for_mode): Always build vector nodes regardless
of VECTOR_MODE_SUPPORTED_P.
(handle_mode_attribute): Error if we can't emulate a nonexisting
vector mode.
(handle_vector_size_attribute): Same.
* optabs.c (expand_binop): Open-code vector operations.
(expand_unop): Open-code vector unops.
(expand_vector_binop): New.
(expand_vector_unop): New.
* c-typeck.c (build_binary_op): Allow vectors in binops.
Allow vectors in conditional operatiors.
(build_unary_op): Allow vectors in unary minus.
* config/rs6000/rs6000.h (ALTIVEC_VECTOR_MODE): Conditionalize on
TARGET_ALTIVEC.
From-SVN: r54727
* tree.h: Forward-declare struct realvaluetype.
(struct tree_real_cst): Point to the REAL_VALUE_TYPE, do not
contain it.
(TREE_REAL_CST_PTR): New accessor.
(TREE_REAL_CST): Update.
* real.h: Include machmode.h.
(realvaluetype): Make it struct realvaluetype, not a typedef.
(build_real): Prototype here.
* tree.c: Include real.h.
(build_real): Allocate the REAL_VALUE_TYPE as a separate
object in GC memory, set TREE_REAL_CST_PTR to point to it.
(build_real_from_int_cst): Use build_real.
* ggc-common.c (ggc_mark_trees): Mark TREE_REAL_CST_PTR of a
REAL_CST.
* builtins.c, c-common.c, c-lex.c, dwarf2out.c, expr.c,
fold-const.c, print-tree.c, real.c, cp/mangle.c, cp/tree.c,
f/bld.c, f/com.c, f/expr.c, f/target.c, java/decl.c,
java/jcf-parse.c, java/parse.y, java/typeck.c: Include real.h.
* Makefile.in, cp/Make-lang.in, f/Make-lang.in,
java/Make-lang.in: Update dependency lists.
From-SVN: r53959
* c-common.c: Add support for __attribute__((nothrow)) to specify
that a function cannot throw an exception (using TREE_NOTHROW).
(handle_nothrow_attribute): New function to process this attribute.
* doc/extend.texi: Document the new nothrow function attribute.
2002-05-27 Richard Henderson <rth@redhat.com>
* g++.dg/ext/attrib6.C: New test case.
From-SVN: r53940
* c-common.c (c_common_init): Set options->unsigned_char from
flag_signed_char.
(cb_register_builtins): Define __STRICT_ANSI__ and
__CHAR_UNSIGNED__ here...
* cppinit.c (init_builtins): Not here.
(cpp_create_reader): unsigned_char option defaults to 0, not
!DEFAULT_SIGNED_CHAR.
(COMMAND_LINE_OPTIONS, cpp_handle_option): Lose -fsigned-char
and -funsigned-char.
* cpphash.h (struct spec_nodes): Kill n__STRICT_ANSI__.
* cpphash.c (_cpp_init_hashtable): Don't set it.
* cppmacro.c (builtin_macro) [BT_STDC]: Use the language setting
directly. Clarify comment.
From-SVN: r53703
* c-common.c (c_common_post_options): Warn if -Wformat-zero-length
is used without -Wformat.
* c-common.h (warn_format_zero_length): Declare extern.
* c-decl.c (warn_options): Add "format-zero-length".
* c-format.c (warn_format_zero_length): Declare.
(set_Wformat): Set warn_format_zero_length for -Wformat.
(check_format_info): Only warn about zero-length formats if
warn_format_zero_length is true. Include the format type
name in the warning message.
* doc/invoke.texi: Document -Wformat-zero-length.
* testsuite/gcc.dg/format/zero-length-1.c: New test.
From-SVN: r53592
* c-common.c (c_common_init_options): Use C89 for Objective-C,
and set the options flag.
* cppinit.c (lang_flags): Remove objc.
(lang_defaults): Remove OBJC and OBJCXX.
(set_lang): Update.
(COMMAND_LINE_OPTIONS): Remove -+ and -lang-objc++.
(cpp_handle_option): Remove -+ and -lang-objc++.
For ObjC, just set a flag.
(print_help): Update.
* cpplib.h (enum c_lang): Remove CLK_OBJC and CLK_OBJCXX.
From-SVN: r53566
* c-common.c (cb_register_builtins): Handle more built-ins
here rather than in gcc.c specs.
* gcc.c (cpp_unique_options): Move many built-ins to c-common.c.
(cpp_options): Pass -O flags even when only preprocessing.
* toplev.c (set_fast_math_flags): New prototype.
(fast_math_flags_set_p): New.
(set_no_fast_math_flags): Remove.
(decode_f_option): Update.
* toplev.h (set_fast_math_flags): Update.
(fast_math_flags_set_p): New.
(set_no_fast_math_flags): Remove.
config:
* c4x/c4x.c (c4x_override_options): Update.
From-SVN: r53526
* c-common.c (STDC_0_IN_SYSTEM_HEADERS, REGISTER_PREFIX):
Default-define here.
(builtin_define_with_value): Can now wrap the expansion in
quotation marks if such is wanted.
(cb_register_builtins): Update calls to builtin_define_with_value.
Define __REGISTER_PREFIX__, __USER_LABEL_PREFIX__, and __VERSION__
here.
(c_common_init): Set options->stdc_0_in_system_headers.
* c-lex.h: Update prototype of builtin_define_with_value.
* cppdefault.h: Remove default definitions of USER_LABEL_PREFIX
and REGISTER_PREFIX.
* cppinit.c (VERS, ULP, C, X): Kill.
(builtin_array): Remove entries for __VERSION__,
__USER_LABEL_PREFIX__, __REGISTER_PREFIX__, and
__HAVE_BUILTIN_SETJMP__. Make __STDC__ always a builtin, not
a constant.
(init_builtins): Kill off a bunch of now-dead code.
(COMMAND_LINE_OPTIONS): Remove -fleading-underscore and
-fno-leading-underscore.
(cpp_handle_option): Remove code to set user_label_prefix.
(cpp_post_options): Likewise.
* cpplib.h (struct cpp_options): Remove user_label_prefix.
(stdc_0_in_system_headers): New.
* cppmacro.c (builtin_macro): Check CPP_OPTION (pfile,
stdc_0_in_system_headers) too to decide the value of __STDC__.
* tradcpp.c (user_label_prefix): Kill.
(main): Remove code handling -f(no-)leading-underscore.
(initialize_builtins): Don't define __REGISTER_PREFIX__
or __USER_LABEL_PREFIX__.
(install_value): Wrap compound statement in dummy loop so the
macro works properly in an if statement.
From-SVN: r53525
* c-parse.in (MODIFIED_WCHAR_TYPE): New macro.
(c_common_nodes_and_builtins): Use it.
(builtin_define_with_value): New function.
(cb_register_builtins): Define __SIZE_TYPE__,
__PTRDIFF_TYPE__, __WCHAR_TYPE__, and __WINT_TYPE__ here,
using builtin_define_with_value. Use consistent notation when
defining __GXX_WEAK__.
(WCHAR_TYPE_SIZE): Don't redefine.
(combine_strings): Don't use WCHAR_TYPE_SIZE.
* cppdefault.h: Don't provide defaults for SIZE_TYPE,
PTRDIFF_TYPE, WCHAR_TYPE, or WINT_TYPE.
* cppinit.c (builtin_array): Remove entries for __SIZE_TYPE__ etc.
* tradcpp.c (initialize_builtins): Likewise.
* gcc.c (cpp_unique_options): Don't muck with __WCHAR_TYPE__.
* c-lex.h (builtin_define_with_value): Prototype.
* system.h: Poison NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_WCHAR_TYPE,
NO_BUILTIN_PTRDIFF_TYPE, and NO_BUILTIN_WINT_TYPE.
* doc/tm.texi: Remove mention of NO_BUILTIN_SIZE_TYPE etc.
* config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
config/ia64/ia64.h, config/mips/dec-osf1.h, config/mips/iris6.h,
config/mips/linux.h, config/mips/mips.h, config/mips/netbsd.h,
config/mips/osfrose.h, config/mips/sni-svr4.h, config/rs6000/aix51.h,
config/s390/linux.h, config/sh/sh.h, config/sh/sh64.h,
config/sparc/linux64.h, config/sparc/netbsd-elf.h,
config/sparc/sol2-bi.h, config/sparc/sparc.h:
Do not define NO_BUILTIN_SIZE_TYPE etc. Remove all references
to __SIZE_TYPE__ etc from all spec strings. When this makes
extra specs empty, delete them.
From-SVN: r53472
* c-common.c (fix_string_type): Split out of ...
(combine_strings): ... here. Take a varray, not a tree list.
(c_expand_builtin_printf): Use fix_string_type.
* c-common.h: Update decls.
* c-parse.in (string): Remove. Update all uses to use STRING
instead, and not call combine_strings.
(yylexstring): New.
(_yylex): Use it.
* c-typeck.c (simple_asm_stmt): Don't call combine_strings.
(build_asm_stmt): Likewise.
* objc/objc-act.c (my_build_string): Use fix_string_type.
(build_objc_string_object): Build varray for combine_strings.
* parse.y (string): Remove. Update all uses to use STRING
instead, and not call combine_strings.
* rtti.c (tinfo_name): Use fix_string_type.
* semantics.c (finish_asm_stmt): Don't call combine_strings.
* spew.c (yylexstring): New.
(read_token): Use it.
* g++.dg/parse/concat1.C: New.
* gcc.dg/concat2.c: New.
From-SVN: r52790
2002-04-10 Toon Moene <toon@moene.indiv.nluug.nl>
* c-decl.c (c_init_decl_processing): Move generation of
decls for g77_integer_type_node and friends from here ...
* c-common.c (c_common_nodes_and_builtins): ... to here.
From-SVN: r52141
* toplev.c (flag_no_inline, flag_really_no_inline): Default to 2.
(parse_options_and_default_flags): Set them appropriately.
* c-common.c (c_common_post_options): Don't set flag_really_no_inline.
From-SVN: r51959
PR c/5354
* c-common.c (c_expand_expr): Preserve result of a statement
expression if needed.
Co-Authored-By: Richard Henderson <rth@redhat.com>
From-SVN: r51121
* defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New.
(MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New.
* flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New.
(HONOR_SIGN_DEPENDENT_ROUNDING): New.
* builtins.c (expand_builtin_mathfn): Use HONOR_NANS.
* c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y
unless x and y could be infinite.
(expand_unordered_cmp): New, mostly split from expand_tree_builtin.
Check that the common type of both arguments is a real, even for
targets without unordered comparisons. Allow an integer argument
to be compared against a real.
(expand_tree_builtin): Use expand_unordered_cmp.
* combine.c (combine_simplify_rtx): Use the new HONOR_... macros.
* cse.c (fold_rtx): Likewise. Fix indentation.
* fold-const.c (fold_real_zero_addition_p): New.
(fold): Use it, and the new HONOR_... macros.
* ifcvt.c (noce_try_minmax): Use the new HONOR_... macros.
* jump.c (reversed_comparison_code_parts): After searching for
the true comparison mode, use HONOR_NANS to decide whether it
can be safely reversed.
(reverse_condition_maybe_unordered): Remove IEEE check.
* simplify-rtx.c (simplify_binary_operation): Use the new macros
to decide which simplifications are valid. Allow the following
simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b),
and (a - -b) to (a + b).
(simplify_relational_operation): Use HONOR_NANS.
* doc/tm.texi: Document the MODE_HAS_... macros.
From-SVN: r50401
* c-common.c, c-common.h, c-decl.c, c-lex.c, c-parse.in,
c-tree.h, c-typeck.c, cppexp.c, cpplex.c, cpplib.c, cpplib.h,
cppmacro.c, objc/lang-specs.h, objc/objc-act.c,
builtin-types.def, builtins.def, dwarf2out.c, dwarfout.c,
gcc.c, toplev.c: Delete code implementing -traditional mode.
* ada/misc.c, ch/ch-tree.h, ch/decl.c, cp/decl2.c, f/com.c,
f/lex.c, f/top.c, java/builtins.c, java/decl.c: Delete
traditional-mode-related code copied from the C front end
but not used, or used only to permit the compiler to link.
* doc/bugreport.texi, doc/cpp.texi, doc/extend.texi,
doc/invoke.texi, doc/standards.texi, doc/trouble.texi:
Document removal of -traditional mode for compilation, and
remove documentation only relevant to that mode.
* config/nextstep.h, config/ptx4.h, config/svr4.h,
config/convex/convex.h, config/d30v/d30v.h,
config/i386/dgux.h, config/i386/osf1elf.h,
config/i386/osfelf.h, config/i386/osfrose.h,
config/i386/sco5.h, config/i386/sol2.h, config/m68k/a-ux.h,
config/m68k/hp310.h, config/m88k/dgux.h,
config/m88k/dguxbcs.h, config/m88k/luna.h, config/m88k/m88k.c,
config/m88k/m88k.h, config/m88k/openbsd.h,
config/mips/abi64.h, config/mips/osfrose.h,
config/mips/svr4-5.h, config/mips/svr4-t.h,
config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
config/stormy16/stormy16.h: Remove all references to
-traditional from target specs. Delete all mention of the
no-longer-necessary TRADITIONAL_RETURN_FLOAT macro. Also
delete a couple of commented-out definitions of
DOLLARS_IN_IDENTIFIERS, with (incorrect) commentary referring
to -traditional.
* system.h: Poison TRADITIONAL_RETURN_FLOAT.
* doc/tm.texi: Remove mention of TRADITIONAL_RETURN_FLOAT macro.
* testsuite/gcc.c-torture/execute/920730-1t.c,
testsuite/gcc.c-torture/execute/920730-1t.x,
testsuite/gcc.dg/ext-glob.c: Delete test cases, only relevant
to -traditional.
From-SVN: r50110
2002-02-21 Aldy Hernandez <aldyh@redhat.com>
* gcc.dg/attr-alwaysinline.c: New.
* c-common.c (c_common_post_options): Set inline trees by
default.
* doc/extend.texi (Function Attributes): Document always_inline
attribute.
Update documentation about inlining when not optimizing.
* cp/decl.c (duplicate_decls): Merge always_inline attribute.
* cp/tree.c (cp_cannot_inline_tree_fn): Do not inline at -O0
unless DECL_ALWAYS_INLINE.
* c-objc-common.c (c_cannot_inline_tree_fn): Do not inline at -O0
unless DECL_ALWAYS_INLINE.
(c_disregard_inline_limits): Disregard if always_inline set.
* langhooks.c (lhd_tree_inlining_disregard_inline_limits):
Disregard if always_inline set.
(lhd_tree_inlining_cannot_inline_tree_fn): Do not inline at -O0
unless DECL_ALWAYS_INLINE.
* attribs.c (handle_always_inline_attribute): New.
(c_common_attribute_table): Add always_inline.
* config/rs6000/altivec.h: Add prototypes for builtins
requiring the always_inline attribute.
From-SVN: r49947
2002-02-09 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (TARGET_CANNOT_MODIFY_JUMPS_P): Define to...
(sh_cannot_modify_jumps_p): New function.
2002-02-05 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (TARGET_MS_BITFIELD_LAYOUT_P): Define to...
(sh_ms_bitfield_layout_p): New function.
2002-02-04 Alexandre Oliva <aoliva@redhat.com>
Zack Weinberg <zack@codesourcery.com>
* config/sh/sh.h (TRAMPOLINE_ADJUST_ADDRESS): Use
expand_simple_binop instead of expand_binop.
2002-02-03 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (OVERRIDE_OPTIONS) [! TARGET_SH5]: Disable
use of .quad and .uaquad.
* config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP,
TARGET_ASM_ALIGNED_DI_OP): Add comment pointing to the above.
2002-01-24 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (movdi_const, movdi_const_32bit,
movdi_const_16bit): Make sure all CONSTs have modes.
(sym2PIC): Ditto, but by adjusting all callers.
* config/sh/sh.c (calc_live_regs) [TARGET_SHCOMPACT]: Set pr_live
if the prologue calls the SHmedia argument decoder or register
saver.
2002-01-24 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP): Define.
(TARGET_ASM_ALIGNED_DI_OP): Likewise.
(sh_expand_epilogue): Don't emit USE of return target register.
(prepare_move_operands): Legitimize DImode PIC addresses.
(sh_media_register_for_return): Skip tr0, used to initialize the
PIC register.
(sh_expand_prologue): Remove explicit USE of return register.
(nonpic_symbol_mentioned_p): PC is non-PIC. Don't recurse in
CONST_DOUBLEs. UNSPEC_GOTPLT is PIC.
* config/sh/sh.h (ASM_OUTPUT_DOUBLE_INT): Removed, obsolete.
(OVERRIDE_OPTIONS): Don't disable PIC on SH5.
(EXTRA_CONSTRAINT_S): Use MOVI_SHORI_BASE_OPERAND_P instead of
EXTRA_CONSTRAINT_T.
(GOT_ENTRY_P, GOTPLT_ENTRY_P, GOTOFF_P, PIC_ADDR_P): New.
(MOVI_SHORI_BASE_OPERAND_P): New.
(NON_PIC_REFERENCE_P, PIC_REFERENCE_P): New.
(EXTRA_CONSTRAINT_T): Define in terms of them.
(OUTPUT_ADDR_CONST_EXTRA): Handle UNSPEC_GOTPLT.
* config/sh/sh.md (movsi_media, movsi_media_nofpu,
movdi_media, movdi_media_nofpu): Add SIBCALL_REGS class to
alternatives supporting TARGET_REGS.
(UNSPEC_GOTPLT): New constant.
(movdi split): Move incrementing of LABEL_NUSES...
(movdi_const, movdi_const_32bit): Here. Use
MOVI_SHORI_BASE_OPERAND_P instead of EXTRA_CONSTRAINT_T.
(movdi_const_16bit): New.
(call, call_value) [flag_pic]: Use GOTPLT.
(call_pop, call_value_pop): New expands.
(call_pop_compact, call_pop_rettramp): New insns.
(call_value_pop_compact, call_value_pop_rettramp): New insns.
(sibcall) [flag_pic]: Use GOT.
(builtint_setjmp_receiver): Remove bogus, unused expand.
(GOTaddr2picreg): Implement for SHcompact and SHmedia.
(*pt, *ptb, ptrel): New insns.
(sym2GOT): Handle DImode GOT.
(sym2GOTPLT, symGOTPLT2reg): New expands.
(sym2PIC): New expand.
(shcompact_return_tramp): Use GOTPLT to return trampoline.
(shcompact_return_tramp_i): Use return register explicitly.
* config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SHMEDIA]: Don't
disable flag_reorder_blocks.
2002-01-19 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (sibcall_compact): Reorder return, uses and
clobbers, for clarity.
(sibcall_epilogue) [TARGET_SHCOMPACT]: Mark saving and
restoring of r0 in macl as MAYBE_DEAD.
2002-01-18 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (LONG_DOUBLE_TYPE_SIZE): Define.
* config/sh/sh.md (movv4sf_i, movv16sf_i): Fix uses of
alter_subreg all over.
(jump) [TARGET_SHMEDIA]: FAIL to create new jumps after
reload, instead of emitting instructions that would require
reloading.
(casesi_load_media): Add missing modes.
2001-11-09 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (sh_expand_prologue): Mark the PIC register
as used if the argument decoder is called.
2001-08-28 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (udivsi3, divsi3): Load libcall symbol name in
Pmode, then extend it to DImode if necessary.
2001-08-28 Stephen Clarke <Stephen.Clarke@st.com>
* config/sh/sh.h (LEGITIMATE_CONSTANT_P): Don't accept DFmode
constants in FPU-enabled SHmedia, let them be loaded from memory.
2001-08-28 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media):
Adjust whitespace in assembly output templates.
2001-08-28 Stephen Clarke <Stephen.Clarke@st.com>
* config/sh/sh.md (movdicc_false, movdicc_true, movdicc): Adjust
mode of if_then_else.
2001-08-04 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Override definition in
sh.h.
2001-07-26 Andrew Haley <aph@cambridge.redhat.com>
Joern Rennecke <amylaar@redhat.com>
* config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): New.
(SUBTARGET_CPP_PTR_SPEC): New.
(SUBTARGET_CPP_SPEC): Remove.
2001-07-06 Chandrakala Chavva <cchavva@redhat.com>
* config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
Fix typo in previous checkin.
2001-07-11 Chandrakala Chavva <cchavva@redhat.com>
* config/sh/sh.h (MODES_TIEABLE_P): Fix redact indentations.
2001-07-10 Chandrakala Chavva <cchavva@cygnus.com>
Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (MODES_TIEABLE_P): Don't tie modes wider than
what single FP register can hold for SHmedia target.
2001-07-06 Chandrakala Chavva <cchavva@redhat.com>
Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
Do not split into SUBREG.
2001-06-14 Alexandre Oliva <aoliva@redhat.com>
* config/sh/ushmedia.h, config/sh/sshmedia.h: Updated signatures
and added new functions as specified in SH5 ABI r9.
2001-06-04 Alexandre Oliva <aoliva@redhat.com>
* config/sh/lib1funcs.asm (GCC_nested_trampoline): Align to an
8-byte boundary.
2001-06-03 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (dump_table): Add const0_rtx in calls of
gen_consttable_4 and gen_consttable_8. Emit multiple labels
and consttable_window_ends.
2001-06-03 Graham Stott <grahams@redhat,com>
* config/sh/sh.md (movdi split): Remove unused variable last_insn.
2001-05-16 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (print_operand): Handle floating-point pair,
vector and matrix registers.
* config/sh/sh.h (REGISTER_MOVE_COST): Take floating-pointer
vector modes into account.
* config/sh/sh.md (movv2sf): Split move between registers into
movdf.
(movv4sf, movv16sf): Introduce insns that get split only after
reload.
* config/sh/shmedia.h: Fix Copyright dates.
* config/sh/ushmedia.h: Likewise. Move loop counter
declarations into conditionals that uses them.
(sh_media_FVADD_S, sh_media_FVSUB_S): Fix off-by-one error in
loop boundary.
* config/sh/sshmedia.h: Fix Copyright dates.
(sh_media_PUTCFG): Fix constraints.
2001-05-12 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define to
ptrmemfunc_vbit_in_delta for SH5.
2001-05-08 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (TARGET_SWITCHES): Document -m5-*.
* invoke.texi: Likewise.
2001-04-14 Alexandre Oliva <aoliva@redhat.com>
* config/sh/lib1funcs.asm (GCC_push_shmedia_regs,
GCC_push_shmedia_regs_nofpu, GCC_pop_shmedia_regs,
GCC_pop_shmedia_regs_nofpu): New global symbols.
* config/sh/t-sh64 (LIB1ASMFUNCS): Add them.
* config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): New macro.
* config/sh/sh.c (calc_live_regs): Account for PR's saving in
compact function with nonlocal labels.
(sh_expand_prologue) [SHcompact]: Push SHmedia regs if needed.
(sh_expand_epilogue) [SHcompact]: Pop them when appropriate.
(initial_elimination_offset): Account for their stack space.
* config/sh/sh.md (shmedia_save_restore_regs_compact): New insn.
* config/sh/sh.md (movsi_media, movsi_media_nofpu, movqi_media,
movhi_media, movdi_media, movdi_media_nofpu, movdf_media,
movdf_media_nofpu, movsf_media, movsf_media_nofpu): Require at
least one of the operands to be a register.
(movv2sf): Likewise. Renamed to movv2sf_i.
(movdi, movdf, movv2sf, movv4sf, movv16sf, movsf):
prepare_move_operands() before emitting SHmedia insns.
2001-04-03 Alexandre Oliva <aoliva@redhat.com>
* config/sh/crti.asm (init, fini) [__SH5__ && ! __SHMEDIA__]:
Don't save nor initialize r12. Don't mis-align the stack.
Pad the code with a nop.
* config/sh/crti.asm: Don't restore r12. Don't mis-align the
stack.
2001-03-13 Alexandre Oliva <aoliva@redhat.com>
* gcc/longlong.h (__umulsidi3, count_leading_zeros)
[__SHMEDIA__]: Implement.
2001-03-11 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md: Set latency of `pt' closer to reality.
(movsi_media, movsi_media_nofpu, movdi_media, movdi_media_nofpu,
movdf_media, movdf_media_nofpu, movsf_media, movsf_media_nofpu):
Set move, load and store type attributes.
* config/sh/sh.c (sh_loop_align) [TARGET_SH5]: Set to 3.
* config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SH5]: Disable
profiling.
* config/sh/sh.h (PROMOTE_MODE): Sign-extend SImode to DImode.
* config/sh/sh-protos.h (sh_media_register_for_return): Declare.
* config/sh/sh.c (sh_media_register_for_return): New function.
(sh_expand_prologue) [TARGET_SHMEDIA]: Copy r18 to an available
branch-target register.
(sh_expand_epilogue) [TARGET_SHMEDIA]: Explicitly USE it.
* config/sh/sh.md (return_media_i): Use any call-clobbered
branch-target register.
(return_media): If r18 wasn't copied in the prologue, copy it
here.
* config/sh/sh.h (CONDITIONAL_REGISTER_USAGE) [TARGET_SHMEDIA]:
Clear class FP0_REGS.
* config/sh/sh64.h (LINK_SPEC): Removed incorrect default copied
from elf.h.
2001-03-08 DJ Delorie <dj@redhat.com>
* config/sh/sh.h (OVERRIDE_OPTIONS): Disable relaxing for SHMEDIA.
2001-02-09 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (sibcall_compact): Set fp_mode to single.
2001-02-07 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (INT_ASM_OP) [SHMEDIA64]: Use `.quad'.
2001-02-03 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (INIT_CUMULATIVE_ARGS): Compute size of BLKmode
return value correctly for call_cookie.
2001-02-01 Alexandre Oliva <aoliva@redhat.com>
* config/sh/crt1.asm (start): Modified so as to call
___setup_argv_and_call_main.
2001-01-26 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't count stack_regs in
SHmedia mode.
2001-01-20 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (STRIP_DATALABEL_ENCODING): New macro.
(STRIP_NAME_ENCODING): Use it.
(ASM_OUTPUT_LABELREF): Likewise. Don't call assemble_name().
2001-01-19 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (sgeu) [! SHMEDIA]: Fix invocation of
prepare_scc_operands().
* config/sh/sh.h (SH_DATALABEL_ENCODING): Change to "#"...
(DATALABEL_SYMNAME_P): ... so that we don't need memcmp here.
2001-01-17 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (STRIP_NAME_ENCODING): Strip leading `*'.
2001-01-13 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (shcompact_incoming_args): Use R0_REG.
* config/sh/sh.md (R7_REG, R8_REG, R9_REG): Define as constants,
used in shcompact_incoming_args.
* config/sh/sh.c (sh_expand_epilogue): Fix thinko in previous
change.
* config/sh/crt1.asm (start) [SH5]: Switch to single-precision
mode.
* config/sh/lib1funcs.asm (sdivsi3_i4, udivsi3_i4, set_fpscr):
Adjust accordingly.
* config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
Simplify. Adjust. Add sanity check.
* config/sh/sh.h (TARGET_SWITCHES) [5-compact]: Set
FPU_SINGLE_BIT.
* config/sh/sh.md (udivsi3_i4_single, divsi3_i4_single): Match
TARGET_SHCOMPACT.
(udivsi3, divsi3): Use them.
(force_mode_for_call): New insn.
(call, call_value, sibcall_value): Emit it before SHcompact
calls.
2001-01-11 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (call, call_value, sibcall): Make sure the
call cookie is non-NULL before taking its value.
2001-01-10 Alexandre Oliva <aoliva@redhat.com>
* config.gcc (sh64): Set target_requires_64bit_host_wide_int.
2001-01-09 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (shcompact_incoming_args): Set argument memory
block.
* config/sh/sh.h (STATIC_CHAIN_REGNUM) [SH5]: Use r1.
* config/sh/sh.c (sh_expand_prologue) [SH5]: Use r0 as
temporary for stack adjusts. Use MACL and MACH to pass
arguments to shcompact_incoming_args.
* config/sh/sh.md (shcompact_incoming_args): Adjust. Don't
clobber r1.
* config/sh/lib1funcs.asm (shcompact_incoming_args): Likewise.
(nested_trampoline): Load static chain address into r1.
* config/sh/sh.md (movdi_media splits): Fix sign-extension.
2001-01-07 Alexandre Oliva <aoliva@redhat.com
* config/sh/sh.c (fpul_operand) [SHMEDIA]: Just call
fp_arith_reg_operand().
2001-01-06 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (casesi): Sign-extend the first two operands,
and use signed compares for them.
* config/sh/sh.c (dump_table): Don't emit 8-byte constants after
4-byte ones. Instead, inter-leave them, maintaining the 8-byte
ones properly aligned.
(find_barrier): Account for extra alignment needed for 8-byte wide
constants.
(machine_dependent_reorg): Require a label for the second 4-byte
constant after an 8-byte one.
* config/sh/lib1funcs.asm (sdivsi3): Fix typo in yesterday's
change.
2001-01-05 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (machine_dependent_reorg) [SHCOMPACT]: Reset
last_float when switching float modes.
* config/sh/sh.md (movdf) [SH5]: Don't use stack-pointer
auto-increment for general-purpose registers.
* config/sh/lib1funcs.asm (sdivsi3) [SHMEDIA]: Sign-extend the
result.
* config/sh/sh.c (sh_expand_prologue) [SH5]: Use r1 as temporary
for stack adjust.
* config/sh/sh.c (sh_builtin_saveregs): Support using all
registers for varargs.
2001-01-01 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Simplify.
* config/sh/sh.h (CALL_COOKIE_STACKSEQ,
CALL_COOKIE_STACKSEQ_SHIFT, CALL_COOKIE_STACKSEQ_GET): New macros.
(CALL_COOKIE_INT_REG_SHIFT): Adjust.
(FUNCTION_ARG_ADVANCE): Use SHCOMPACT_FORCE_ON_STACK. Adjust
call_cookie accordingly.
(FUNCTION_ARG): Test SHCOMPACT_FORCE_ON_STACK.
(SHCOMPACT_BYREF): Likewise.
(SHCOMPACT_FORCE_ON_STACK): New macro.
* config/sh/sh.c (sh_expand_prologue): Use new call_cookie format.
(sh_builtin_saveregs): Likewise.
* config/sh/lib1funcs.asm (shcompact_call_trampoline,
shcompact_incoming_args): Use new shift values. Support
sequences of consecutive and non-consecutive pushes/pops.
* config/sh/sh.md (return): Don't explicitly use PR_REG.
2001-01-05 Hans-Peter Nilsson <hpn@cygnus.com>
* config/sh/sh.h (TEXT_SECTION): Define.
* config/sh/elf.h (ASM_FILE_START): Output TEXT_SECTION_ASM_OP.
2001-01-05 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (INIT_CUMULATIVE_LIBCALL_ARGS): New macro.
* config/sh/sh.h (BASE_RETURN_VALUE_REG): Use FP regs for
return values on FPU-enabled SHmedia.
(FUNCTION_VALUE_REGNO_P): Mark FIRST_FP_RET_REG as used on
FPU-enabled SHmedia.
(INIT_CUMULATIVE_ARGS): Set up return trampoline only if
value is returned in a non-FP reg and is not returned by
reference.
* config/sh/sh.md (shcompact_return_tramp_i): Change type to
jump_ind.
2000-01-04 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (SH_MIN_ALIGN_FOR_CALLEE_COPY): New.
(FUNCTION_ARG_CALLEE_COPIES): Require argument to be
quad-aligned to be passed by callee-copy reference.
2001-01-03 Alexandre Oliva <aoliva@redhat.com>
* config/sh/elf.h (MAX_WCHAR_TYPE_SIZE): Define.
* config/sh/sh64.h (MAX_WCHAR_TYPE_SIZE): Undefine.
2001-01-02 Alexandre Oliva <aoliva@redhat.com>
* config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix error in
copying low-numbered FP regs to r7 and r8.
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't request copying of
FP regs to general-purpose regs only if the copy was passed on the
stack.
* config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix typo in
copying FP reg to r9.
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Use trampoline to
copy FP regs to general-purpose regs only in outgoing calls.
* config/sh/sh.md (movdf_media, movsf_media): Revert incorrect
change from 2000-10-30. Adjust for 64-bit (or 32-bit)
HOST_WIDE_INT.
* config/sh/sh.h (struct sh_args): Document all fields.
(FUNCTION_OK_FOR_SIBCALL): Functions that receive arguments
passed partially on the stack should not consider making
sibcalls.
* config/sh/sh.h (FUNCTION_ARG_ADVANCE): Add byref regs to
stack_regs only for incoming calls. When passing FP args,
make sure there are FP regs available before modifying
call_cookie.
(SHCOMPACT_BYREF): Pass double args in general-purpose
registers by reference.
2000-12-30 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (FUNCTION_OK_FOR_SIBCALL) [SHCOMPACT]: Don't
attempt to generate sibcalls if the caller got any arguments
by reference.
* config/sh/lib1funcs.asm (set_fpscr) [SH5]: Default to double.
* config/sh/sh.c (dump_table) [SHCOMPACT]: Align DImode and DFmode
to 8-byte boundaries.
* config/sh/sh.md (shcompact_preserve_incoming_args): New insn.
* config/sh/sh.h (CALL_COOKIE_INT_REG_GET): New macro.
* config/sh/sh.c (sh_expand_prologue): Preserve args that will be
stored in the stack.
* config/sh/lib1funcs.asm (ct_main_table, ia_main_table): Arrange
for the offsets to have the ISA bit set.
(shcompact_call_trampoline): Document. Swap r0 and r1, to match
invocation. Use beq instead of bgt to mark end of sequence of
loads.
(shcompact_incoming_args): Fix store of r2. Use beq instead of
bgt to mark end of sequence of stores.
* config/sh/sh.c (arith_operand): Don't check whether
CONST_OK_FOR_J for now.
* config/sh/sh.md (movdf_media, movsf_media): Use HOST_WIDE_INT
instead of long for conversion.
2000-12-29 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.c (print_operand_address): Convert INTVAL to int
before passing it to fprintf.
2000-12-28 Alexandre Oliva <aoliva@redhat.com>
* config/sh/crt1.asm (start): Reset SR.FD, to enable the FP unit.
Call set_fpscr before reading/writing SR.
* config/sh/crt1.asm (start): Set SR.SZ and SR.PR, but not SR.FR.
Call set_fpscr.
* config/sh/lib1funcs.asm: Add `.align 2' directives before
SHmedia code.
(FMOVD_WORKS): Define on SH5 with FPU.
(set_fpscr): Define on SH5. Remove separate _fpscr_values
setting.
* config/sh/t-sh64 (LIB1ASMFUNCS): Add _set_fpscr instead of
_fpscr_values.
2000-12-28 Hans-Peter Nilsson <hpn@cygnus.com>
* config/sh/lib1funcs.asm (ct_main_table): Align contents to even
address.
(ia_main_table): Ditto.
2000-12-27 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.h (MAX_WCHAR_TYPE_SIZE): Don't define.
* config/sh/sh64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Reinstate
the definitions from sh.h.
* config/sh/sh.h (PTRDIFF_TYPE): Define as conditional on
TARGET_SH5.
(SUBTARGET_CPP_SPEC): Arrange for __PTRDIFF_TYPE__ to be defined.
* config/sh/elf.h (PTRDIFF_TYPE): Likewise.
* config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
2000-12-26 Alexandre Oliva <aoliva@redhat.com>
* config/sh/sh.md (movdi_media split): Don't add REG_LABEL notes.
Increment LABEL_NUSES.
From-SVN: r49630
PR c/5482:
* c-common.c (c_expand_expr) [STMT_EXPR]: If last expression is not
EXPR_STMT, but COMPOUND_STMT, recurse into it.
* gcc.c-torture/execute/20020206-1.c: New test.
From-SVN: r49549
* c-common.def (FILE_STMT): New code.
* c-common.c (statement_code_p): It's a statement.
* c-common.h (stmt_tree_s): Add x_last_filename.
(FILE_STMT_FILENAME_NODE, FILE_STMT_FILENAME): New macros.
(last_expr_filename): New macro.
* c-semantics.c (begin_stmt_tree): Initialize it.
(add_stmt): If the filename changed, also insert a
FILE_STMT.
(expand_stmt): Handle seeing one.
From-SVN: r48881
* c-common.c (c_expand_start_cond): Expect the IF_STMT node to
be passed in, do not build it.
(c_begin_if_stmt): New function.
(c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
* c-common.h (c_expand_start_cond): Update prototype.
(c_begin_if_stmt): Prototype new function.
(c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
* c-parse.in (if_prefix): Use c_begin_if_stmt,
c_begin_while_stmt and c_finish_while_stmt_cond.
From-SVN: r48539
* c-common.h (genrtl_expr_stmt_value): Declare.
* c-semantics.c (genrtl_goto_stmt): Redirect to...
(genrtl_goto_stmt_value): ... this new function. Pass new
argument down to expand_expr_stmt_value, taking
TREE_ADDRESSABLE into account.
* c-common.c (c_expand_expr): Mark the last EXPR_STMT of a
STMT_EXPR as addressable, i.e., one whose result we want.
* expr.c (expand_expr): Don't save expression statement value
of labeled_blocks or loop_exprs.
* stmt.c (expand_expr_stmt): Redirect to...
(expand_expr_stmt_value): ... this new function. Use new
argument to tell whether to save expression value.
(expand_end_stmt_expr): Reset last_expr_type and
last_expr_value if we don't have either.
* tree-inline.c (declare_return_variable): Mark its use
statement as addressable.
* tree.h: Document new use of TREE_ADDRESSABLE.
(expand_expr_stmt_value): Declare.
From-SVN: r48456
* builtin-attrs.def (__builtin_printf_unlocked,
__builtin_fprintf_unlocked, printf_unlocked, fprintf_unlocked):
Mark with the __printf__ attribute.
* builtins.c (expand_builtin_fputs): Add an `unlocked' parameter
and set the replacement function depending on it.
(expand_builtin): Skip BUILT_IN_*_UNLOCKED when not optimizing.
Handle BUILT_IN_*_UNLOCKED when optimizing.
* builtins.def (DEF_EXT_FALLBACK_BUILTIN,
DEF_EXT_FRONT_END_LIB_BUILTIN): New macros.
Declare the "unlocked" stdio functions.
* c-common.c (c_expand_builtin_printf, c_expand_builtin_fprintf):
Add an `unlocked' parameter and set the replacement function
depending on it.
(c_expand_builtin): Handle BUILT_IN_PRINTF_UNLOCKED and
BUILT_IN_FPRINTF_UNLOCKED.
* doc/extend.texi (printf_unlocked, fprintf_unlocked,
fputs_unlocked): Document.
testsuite:
* gcc.dg/format/builtin-1.c: Test unlocked stdio.
* gcc.dg/format/c90-printf-3.c: Likewise.
* gcc.dg/format/c99-printf-3.c: Likewise.
* gcc.dg/format/ext-1.c: Likewise.
* gcc.dg/format/ext-6.c: Likewise.
* gcc.dg/format/format.h: Prototype unlocked stdio.
From-SVN: r48229
* c-common.c (shadow_warning): New function, moved from cp/decl.c.
* c-common.h (shadow_warning): New.
* c-decl.c: Include c-common.h.
(warn_if_shadowing): New, broken out of pushdecl.
(pushdecl): Use warn_if_shadowing.
(store_parm_decls): Prevent duplicate -Wshadow warnings.
cp:
* decl.c: Include c-common.h.
(shadow_warning): Move to c-common.c.
testsuite:
* gcc.dg/Wshadow-1.c: New test.
From-SVN: r47701
* stmt.c (expand_expr_stmt): Keep last_expr_value non-NULL iff
we're interested in the result. Use it to tell whether to
ignore results of enclosed expressions.
(expand_start_stmt_expr): Added new argument, and initialize
last_expr_value accordingly.
* tree.h (expand_start_stmt_expr): Adjusted declaration.
* c-common.c (c_expand_expr): Adjust call.
* expr.c (expand_expr) [EXPR_WFL]: Pass const0_rtx down if
ignoring the result.
From-SVN: r47607
* c-common.c (c_expand_expr_stmt): Apply default conversions to
non-lvalue arrays if C99.
* c-typeck.c (default_conversion): Split out code handling
array-to-pointer and function-to-pointer conversions into a
separate default_function_array_conversion function.
(default_function_array_conversion): New function. Keep track of
whether any NON_LVALUE_EXPRs were stripped. Return non-lvalue
arrays unchanged outside C99 mode instead of giving an error for
them.
(build_component_ref): Use pedantic_non_lvalue when handling
COMPOUND_EXPR. Don't handle COND_EXPR specially.
(convert_arguments): Use default_function_array_conversion.
(build_unary_op): For ADDR_EXPR, take a flag indicating whether
non-lvalues are OK.
(unary_complex_lvalue): Likewise.
(internal_build_compound_expr): Use
default_function_array_conversion. Apply default conversions to
function in compound expression.
(build_c_cast, build_modify_expr, digest_init, build_asm_stmt):
Use default_function_array_conversion.
* doc/extend.texi: Update documentation of subscripting non-lvalue
arrays.
Fixes PR c/461.
testsuite:
* gcc.dg/c90-array-lval-1.c, gcc.dg/c90-array-lval-2.c,
gcc.dg/c99-array-lval-1.c, gcc.dg/c99-array-lval-2.c: Remove
XFAILs. Adjust expected error texts.
* gcc.c-torture/compile/20011106-1.c,
gcc.c-torture/compile/20011106-2.c, gcc.dg/c90-array-lval-3.c,
gcc.dg/c90-array-lval-4.c, gcc.dg/c90-array-lval-5.c,
gcc.dg/c99-array-lval-3.c, gcc.dg/c99-array-lval-4.c,
gcc.dg/c99-array-lval-5.c: New tests.
From-SVN: r46805
* alias.c (can_address_p): Compnonents are not addressable if
the containing type has alias set 0.
(get_alias_set): Rework to use STRIP_NOPS.
Only call front-end routine on object, type, or object with
NOPs stripped, not inner values.
Use language hook to call front-end routine.
* builtins.c (get_memory_rtx): Always call set_mem_attributes.
(expand_builtin_apply): Call set_mem_align on MEMs we make.
Don't pass alignment to emit_block_move.
(expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
(expand_builtin_memset): Likewise, but for clear_storage.
* c-common.c (lang_get_alias_set): Renamed to c_common_alias_set
and remove C++ specific parts.
* c-common.h (c_common_get_alias_set): Add declaration.
* c-lang.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
* calls.c (emit_call_1): Fix typo in sibcall_pop case.
(save_fixed_argument_area): Call set_mem_align.
Remove alignment in call to emit_block_move.
(emit_library_call_value_1, store_one_arg): Likewise.
(target_for_arg): Remove; disabled long ago.
* emit-rtl.c (set_mem_attributes): Rework to only call get_mem_attrs
once and similar cleanups.
(offset_address): Use proper introductory comment.
* expr.c (emit_block_move): Use alignment from that of MEM args, not
from explicit operand; all callers changed.
(clear_storage): Likewise.
(expand_assignment): Don't call set_mem_alias_set on to_rtx.
(store_field): Remove kludge on alias set used for to_rtx.
(highest_pow2_factor, case *_DIV_EXPR): Never return 0.
(expand_expr_unaligned): Call set_mem_attributes instead of
set_mem_alias_set.
* expr.h (emit_block_move, clear_storage): Remove ALIGN argument.
* function.c (assign_stack_temp_for_type): Set MEM alignment.
(expand_function_end): Track MEM attributes of trampolines.
* ifcvt.c (noce_try_cmove_arith): Set alignment of new MEM.
* integrate.c (copy_rtx_and_substitute, case CALL): Copy memory
attributes from original.
* langhooks.c (lang_hook_default_get_alias_set): New function.
(hook_get_alias_set_0): New function.
* langhooks.h (hook_get_alias_set_0): New declaration.
(lang_hook_default_get_alias_set): Likewise.
(LANG_HOOKS_GET_ALIAS_SET): New macro; add to initializer.
* reload1.c (alter_reg): Use adjust_address_nv.
* rtl.c (get_mode_alignment): Moved to here.
* rtl.h (MEM_ALIGN): Take default from mode, if not BLKmode, and
change default if unknown from 1 to BITS_PER_UNIT.
* stor-layout.c (get_mode_alignment): Remove from here.
* toplev.h (struct lang_hoks): Add get_alias_set field.
* tree.h (lang_get_alias_set): Delete declaration.
* config/arc/arc.c (arc_setup_incoming_varags): Set MEM alignment.
* config/i386/i386.c (ix86_setup_incoming_varargs): Likewise.
(ix86_va_arg): Likewise.
* config/i960/i960.c (i960_setup_incoming_varargs): Likewise.
* config/pa/pa.c (hppa_builtin_saveregs): Likewise.
* config/sparc/sparc.c (sparc_va_arg): Likewise.
* config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
(expand_block_move_mem): Remove dead code.
* cp/cp-lang.c (cxx_get_alias_set): New function.
Point LANG_HOOKS_GET_ALIAS_SET to it.
* f/com.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
(lang_get_alias_set): Delete.
* java/lang.c (lang_get_alias_set): Deleted.
From-SVN: r46440
* c-common.c (warn_div_by_zero): New.
* c-common.h (warn_div_by_zero): New.
* c-decl.c (c_decode_option): Take it on the command line.
* c-typeck.c (build_binary_op): Warn about division by zero.
* doc/invoke.texi: Document the new command line option, fix
documentation of -Wmultichar.
* testsuite/gcc.dg/divbyzero.c: New tests.
* testsuite/gcc.dg/noncompile/20010524-1.c: Update.
From-SVN: r46439
* Makefile.in (print-rtl.o): Depend on TREE_H.
* alias.c (get_alias_set): Make two passes over objects to first
see if inner object is access via restricted pointer.
Defer allocating alias set for restricted pointer until here.
Call find_placeholder with second arg nonzero.
Minor cleanups.
* c-common.c (c_apply_type_quals_to_decl): Defer getting alias
set for restricted pointer types.
* emit-rtl.c (set_mem_attributes): Set more attributes.
(set_mem_align, change_address, adjust_address_1): New functions.
(change_address_1): Now static.
(adjust_address, adjust_address_nv): Deleted.
(replace_equiv_address): Call change_address_1.
* expr.c (get_inner_reference): Handle PLACEHOLDER_EXPR.
(find_placeholder): Get starting point from PLIST arg.
(expand_expr, case PLACEHOLDER_EXPR): Initialize find_placeholder arg.
* expr.h (set_mem_align, change_address, adjust_address_1): New decls.
(adjust_address, adjust_address_nv): New macros.
* print-rtl.c (tree.h): New include.
(print_rtx, case MEM): Print all memory attributes.
From-SVN: r46314
* Makefile.in (OBJS): Added tree-inline.o.
(c-common.o): Depend on tree-inline.h.
(tree-inline.o): New target.
* c-common.c: Include tree-inline.h.
(c_mark_lang_decl): Don't mark saved_tree.
(c_common_lang_init): Set lang_anon_aggr_type_p.
* c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
(struct c_lang_decl): Moved saved_tree to tree_decl.
* ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
* integrate.h (function_attribute_inlinable_p): Declare it.
* integrate.c (function_attribute_inlinable_p): Export it.
* tree-inline.c: New file. Define variables declared in...
* tree-inline.h: New file. Declare functions to be moved to
tree-inline.c. Define macros and declare types and hooks for
language-specific tree inlining.
(flag_inline_trees): Moved definition from cp/decl2.c.
* tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
(TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
(struct tree_decl): Moved saved_tree from c_lang_decl and
inlined_fns from C++'s lang_decl.
From-SVN: r46021
* c-common.c (c_format_attribute_table): Make format and
format_arg attributes apply to function types rather than to
decls.
(is_valid_printf_arglist): Construct an attribute list and pass
that to check_function_format rather than a name.
* c-common.h (check_function_format): Adjust prototype.
* c-decl.c (duplicate_decls): Preserve attributes from type of
built-in decl when allowing for harmless conflict in types.
* c-format.c (record_function_format,
record_international_format, function_format_list,
international_format_info, international_format_list): Remove.
(function_format_info): Remove next, name and assembler_name.
Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
(decode_format_attr): New.
(handle_format_attribute): Handle receiving a type rather than a
decl. Call decode_format_attr. Store format information in a
function_format_info.
(handle_format_arg_attribute): Correct comment. Handle receiving
a type rather than a decl. Use unsigned HOST_WIDE_INT for
arg_num.
(check_format_info_recurse, check_format_info_main): Take argument
numbers as unsigned HOST_WIDE_INT.
(check_function_format): Take a list of attributes from the
function type rather than a name or assembler name. Check for
format attributes in that list and the attributes on the type of
the current function rather than looking through
function_format_list.
(check_format_info): Use unsigned HOST_WIDE_INT for argument
numbers.
(check_format_info_recurse): Take format_arg attributes from the
type of the function calls rather than using
international_format_list. Allow for multiple format_arg
attributes.
* c-typeck.c (build_function_call): Pass type attributes to
check_function_format rather than name or assembler name. Don't
require there to be a name or assembler name to check formats.
cp:
* call.c (build_over_call), typeck.c (build_function_call_real):
Pass type attributes to check_function_format rather than name or
assembler name. Don't require there to be a name or assembler
name to check formats.
testsuite:
* g++.dg/warn/format2.C, gcc.dg/format/attr-7.c,
gcc.dg/format/multattr-1.c, gcc.dg/format/multattr-2.c,
gcc.dg/format/multattr-3.c: New tests.
* gcc.dg/format/attr-3.c: Update expected error texts. Remove
tests for format attributes on function pointers being rejected.
From-SVN: r45945
* attribs.c: New file, from c-common.c.
(attribute_tables): Now four elements.
(format_attribute_table, lang_attribute_common): New variables.
(init_attributes): Reflect above changes.
(handle_mode_attribute): Delete check for wider than uintmax.
* c-common.c: Delete parts moved to attribs.c.
(enum attrs): Deleted; unused.
(c_format_attribute_table): New variable.
(c_common_lang_init): Initialize format_attribute_table with it.
* c-common.h (decl_attributes): Remove decl.
* tree.h (decl_attribute): Move it to here.
* Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
(attribs.o): New rule.
* ch/Make-lang.in (cc1chill): Add attribs.o.
* cp/Make-lang.in (CXX_C_OBJS): Add attribs.o.
From-SVN: r45749
* c-common.c (signed_or_unsigned_type): Handle machine mode types
which have no corresponding C type.
* fold_const.c (target_isinf,target_isnan,target_negative): Update
the representation of 64-bit doubles to work with 64-bit ints.
From-SVN: r45479
* c-common.c (decl_attributes): Take a pointer to the node to
which attributes are to be attached, and a flags argument.
* c-common.h (enum attribute_flags): New.
(decl_attributes): Update prototype.
* c-decl.c (start_decl, push_parm_decl, finish_struct,
finish_enum, start_function): Update calls to decl_attributes.
* c-parse.in (component_declarator, component_notype_declarator,
label): Update calls to decl_attributes.
cp:
* decl2.c (cplus_decl_attributes): Take a pointer to the node to
which attributes are to be attached, and a flags argument. Update
call to decl_attributes.
(grokfield): Update call to decl_attributes.
* class.c (finish_struct): Update call to cplus_decl_attributes.
* cp-tree.h (cplus_decl_attributes): Update prototype.
* decl.c (start_decl, grokdeclarator, start_function): Update
calls to decl_attributes and cplus_decl_attributes.
* friend.c (do_friend): Update call to cplus_decl_attributes.
* parse.y (parse_bitfield): Update call to cplus_decl_attributes.
From-SVN: r43995
* c-common.c (verify_tree): Check for x being NULL.
* doc/c-tree.texi: Document COMPOUND_BODY of an empty
COMPOUND_STMT.
Fixes PR c/3259.
testsuite:
* gcc.dg/20010622-1.c: New test.
From-SVN: r43508
* builtins.def: Encode additional information, such as names and
types, here.
* builtin-types.def: New file.
* builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
(built_in_decls): Likewise. Don't explicitly initialize global
data to NULL.
(expand_builtin_mathfn): Handle float and long double variants of
math builtins.
(expand_builtin): Likewise.
* c-common.c (c_common_nodes_and_builtins): Make it table-driven.
(expand_tree_builtin): Handle long, long long, float, and long
double variants of math functions.
* c-common.h (c_tree_index): Remove some unused nodes.
(void_ftype): Remove.
(void_type_ptr): Likewise.
(int_ftype_int): Likewise.
(ptr_ftype_sizetype): Likewise.
* c-decl.c (init_decl_processing): Remove creation of DWARF
builtins.
* defaults.h (MD_INIT_BUILTINS): Provide default definition.
* tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
* Makefile.in (c-common.o): Depend on builtin-types.def.
* decl.c (init_decl_processing): Tweak.
From-SVN: r42583
* c-common.c (finish_label_expr): New function, lifted from
from cp/semantics.c.
* c-common.h (finish_label_expr, lookup_label): New prototypes.
* c-parse.in: Move 3 blocks of parser code into new functions.
* c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
* c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
(lookup_label): Remove.
From-SVN: r41959
2001-02-27 Diego Novillo <dnovillo@redhat.com>
* c-common.c (walk_stmt_tree): Visit the chain of the current tree
even if walk_subtrees is 0.
* c-semantics.c (prune_unused_decls): Return a non-null value to
stop traversing the tree chain.
From-SVN: r40106
* 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
* 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
* 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
* 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
* 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
* 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
* 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
* 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
* 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
* 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
* 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
* 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
* 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
* 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
* 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
* 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
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
* 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
* 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
* 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
* 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
* 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
* 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
* 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
* c-common.h (warn_missing_format_attribute): New variable.
* c-decl.c (warn_missing_format_attribute): New variable.
(c_decode_option): Decode -Wmissing-format-attribute and
-Wno-missing-format-attribute.
* c-common.c (check_function_format): If
-Wmissing-format-attribute, give a warning where a vprintf or
vscanf function is called by a function without its own printf or
scanf attribute.
* toplev.c (documented_lang_options): Add
-Wmissing-format-attribute.
* invoke.texi: Document -Wmissing-format-attribute.
cp:
* decl2.c (warn_missing_format_attribute): New variable.
(lang_decode_option): Decode -Wmissing-format-attribute.
testsuite:
* gcc.dg/format-miss-1.c: New test.
From-SVN: r36897
* c-common.c (format_check_results): New structure.
(finish_dollar_format_checking): Adjust to take a
format_check_results * parameter.
(check_format_info, check_format_info_recurse,
check_format_info_main): Split check_format_info into three
functions, the main checking going in check_format_info_main.
Recurse when any reduction of the format string argument towards a
string literal is done; go down both branches of a conditional
expression. Don't warn for extra format arguments or empty format
strings if they only occur in some branches of a conditional
expression.
testsuite:
* gcc.dg/format-branch-1.c: New test.
From-SVN: r36883
* c-common.c (decl_attributes): Don't allow strftime formats with
first_arg_num nonzero.
(check_format_info): Set wanted_type and wanted_type_name to zero
before they are possibly assigned and used.
testsuite:
* gcc.dg/format-attr-1.c: New test.
From-SVN: r36845
* c-common.c (scanf_flag_specs): Add flags ' and I.
(strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
or the ^ and # flags together.
(scan_char_table): Handle the ' and I flags.
(format_types): Add ' and I flags for scanf.
testsuite:
* gcc.dg/c99-scanf-2.c, gcc.dg/format-ext-2.c: Test ' and I
scanf flags.
* gcc.dg/format-ext-3.c: Test mutually exclusive pairs of strftime
flags.
From-SVN: r36842
* c-common.c (print_char_table): Use the unpromoted type for
lengths "h" and "hh" with conversions dioxXu.
(check_format_types): Apply the default argument promotions where
the wanted type is not a pointer target.
From-SVN: r36841
* tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
* c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
CTI_UINTMAX_TYPE.
(intmax_type_node, uintmax_type_node): Define.
* c-common.c (decl_attributes): If pedantic, warn if `mode'
attributes create a type wider than intmax_t.
(T_IM, T_UIM): Define properly.
* c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
defined.
(init_decl_processing): Initialize intmax_type_node and
uintmax_type_node.
* c-lex.c (lex_number): When pedantic and warning for integer
constants that are too large, in C99 mode warn for those that have
a type wider than long long.
cp:
* decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
defined.
(init_decl_processing): Initialize intmax_type_node and
uintmax_type_node.
testsuite:
* gcc.dg/c99-printf-1.c, gcc.dg/c99-scanf-1.c,
gcc.dg/c90-printf-2.c, gcc.dg/c90-scanf-2.c: Define intmax_t and
uintmax_t using <limits.h> to emulate the compiler's internal
logic. No longer XFAIL %j tests.
From-SVN: r36791
* c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
FMT_FLAG_FANCY_PERCENT_OK): Define.
(format_char_info): Add flag "4" to comment.
(format_flag_spec, format_flag_pair): New structures.
(format_kind_info): Add additional fields to control format
checking.
(printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
arrays.
(time_char_table): Use "4" flag to handle %Ey.
(format_types): Add entries for new fields.
(get_flag_spec): New function.
(check_format_info): Increase size of flag_chars[] to 256.
Control format checking using the new fields of a format_kind_info
and the new tables; remove all conditionals on printf_format_type,
scanf_format_type or strftime_format_type. Handle all details of
bad combinations of flags (including width, precision and strftime
modifiers) through data rather than ad hoc code. Handle all
details of standard versions in which flags appeared through
data. Use the "4" flag.
testsuite:
* gcc.dg/c90-printf-1.c, gcc.dg/c90-scanf-1.c,
gcc.dg/c99-printf-1.c, gcc.dg/c99-scanf-1.c,
gcc.dg/c99-strftime-1.c, gcc.dg/format-ext-3.c: Adjust error
regexps and details of expected handling of some bad formats.
* gcc.dg/format-xopen-1.c: Add test for $ format with assignment
suppression.
From-SVN: r36790
