PR c/35430
* c-common.c (warn_for_sign_compare): For complex result_type
use component's type.
* gcc.dg/pr35430.c: New test.
* g++.dg/warn/Wsign-compare-2.C: New test.
Co-Authored-By: Andrew Pinski <andrew_pinski@playstation.sony.com>
From-SVN: r141587
PR c/37106
* c-common.c (parse_optimize_options): Save and restore
flag_strict_aliasing around decode_options call.
* gcc.dg/pr37106-1.c: New test.
* gcc.dg/pr37106-2.c: New test.
From-SVN: r141584
2008-10-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c/7543
* value-prof.c (gimple_stringop_fixed_value): Use parentheses
around bit operation.
* profile.c (is_edge_inconsistent): Likewise.
* fold-const.c (truth_value_p): Move from here...
* tree.h (truth_value_p): ... to here.
* c-tree.h (c_expr): Update description of original_code.
* c-typeck.c (parser_build_unary_op): Set original_code.
(parser_build_binary_op): Update call to warn_about_parentheses.
* c-common.c (warn_about_parentheses): Take two additional
arguments of the operands. Use a switch. Quote operators
appropriately. Define macro APPEARS_TO_BE_BOOLEAN_EXPR_P.
Add warning about !x | y and !x & y.
* c-common.h (warn_about_parentheses): Update declaration.
cp/
* typeck.c (build_x_binary_op): Update call to
warn_about_parentheses.
* parser.c (cp_parser_binary_expression): Add note about passing
the correct code for unary expressions.
testsuite/
* gcc.dg/Wparentheses-11.c: New.
* g++.dg/warn/Wparentheses-25.C: New. XFAILED.
From-SVN: r141340
2008-09-30 Paolo Bonzini <bonzini@gnu.org>
* c-common.c (empty_if_body_warning): Remove.
* c-common.h (empty_if_body_warning): Remove.
* c-parser.c (c_parser_if_body, c_parser_else_body): Implement
here the -Wempty-body warning for `if' and `else' statements.
* c-typeck.c (c_finish_if_stmt): Do not call empty_body_warning.
cp:
2008-09-30 Paolo Bonzini <bonzini@gnu.org>
* parser.c (cp_parser_selection_statement): Implement here the
-Wempty-body warning for `if' and `else' statements.
* semantics.c (finish_if_stmt): Do not call empty_body_warning.
testsuite:
2008-09-30 Paolo Bonzini <bonzini@gnu.org>
* g++.dg/warn/if-empty-1.C: Copy from gcc.dg/if-empty-1.c.
From-SVN: r140780
PR c/37645
* c-common.c (handle_weakref_attribute): Ignore the attribute unless
the decl is a VAR_DECL or FUNCTION_DECL.
* gcc.dg/pr37645.c: New test.
From-SVN: r140680
2008-08-26 Douglas Gregor <doug.gregor@gmail.com>
* c-common.c (do_switch_warnings): Look through the CONST_DECLs in
the enumerators of an ENUMERAL_TYPE.
* dbxout.c (dbxout_type): Ditto.
2008-08-26 Douglas Gregor <doug.gregor@gmail.com>
* typeck.c (type_after_usual_arithmetic_conversions): Don't do the
usual arithmetic conversions on scoped enumeration types.
(common_type): Ditto.
(default_conversion): Don't perform integral promotions on scoped
enumeration types.
(build_array_ref): Scoped enumeration types can't be used as
subscripts.
* decl.c (start_enum): If building a C++0x scoped enumeration,
enter its scope. If provided with an underlying type, check that
underlying type and set up the enumeration type accordingly.
(finish_enum): Only compute an underlying type if the underlying
type isn't already fixed, and only convert the enumerator values
now if we've just computed the underlying type. Finish the scope
of C++0x scoped enumerations.
(build_enumerator): For enumerations with a fixed underlying type,
check the enumerator values when the enumerator is defined.
(lookup_enumerator): New.
* call.c (standard_conversion): Don't allow assignment from
integers to scoped enumeration types, even with -fpermissive.
Don't convert from scoped enumerations to bool or any arithmetic
types.
(build_conditional_expr): Don't per the usual arithmetic
conversions for scoped enumeration types.
(convert_like_real): Check complain to see if we should
produce warnings.
* error.c (class_key_or_enum_as_string): Print scoped enums.
* cp-tree.h (MAYBE_CLASS_TYPE_P): Check CLASS_TYPE_P, not
TYPE_LANG_FLAG_5.
(INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P): New.
(SCOPED_ENUM_P): New.
(UNSCOPED_ENUM_P): New.
(SET_SCOPED_ENUM_P): New.
(ENUM_UNDERLYING_TYPE): New.
* pt.c (lookup_template_class): Update the instantiation of enum
types to deal with C++0x scoped enumerations and underlying
types.
* name-lookup.c (begin_scope): Deal with scoped enumeration
scopes.
(lookup_qualified_name): Deal with lookup into enumeration types.
* name-lookup.h (enum scope_kind): Add sk_scoped_enum.
* parser.c (cp_parser_class_or_namespace_name): Rename to...
(cp_parser_qualifying_entity): ... this. Also, in C++0x mode,
parse a type-name that can be an enumeration type.
(cp_parser_nested_name_specifier_opt): Update with C++0x grammar.
(cp_parser_elaborated_type_specifier): Parse the
optional `struct' or `class' following enum (in C++0x).
(cp_parser_enum_specifier): Parse C++0x scoped enumerations and
enum-base clauses.
2008-08-26 Douglas Gregor <doug.gregor@gmail.com>
* g++.dg/cpp0x/scoped_enum_examples.C: New.
* g++.dg/cpp0x/scoped_enum.C: New.
* g++.dg/cpp0x/scoped_enum_98.C: New.
* g++.dg/cpp0x/enum_base_warn.C: New.
* g++.dg/cpp0x/enum_base.C: New.
From-SVN: r139611
2008-08-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR 35701
* c-common.c (conversion_warning): Do not warn if applying bit-and
operator to unsigned constant that fits in the target type.
testsuite/
* gcc.dg/pr35701.c: New.
* gcc.dg/Wconversion-real-integer.c: Add more tests.
* gcc.dg/Wconversion-pr34389.c: Update.
* g++.dg/warn/Wconversion-pr34389.C: Update.
From-SVN: r139329
2008-08-09 Richard Guenther <rguenther@suse.de>
* gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
* gimple.h (gimple_call_fn): Adjust comment.
(gimple_call_set_fndecl): New function.
(gimple_call_fndecl): Adjust for GIMPLE_CALL no
longer having bare FUNCTION_DECL operand.
(gimple_call_return_type): Likewise.
* tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
* value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
(gimple_mod_pow2): Likewise.
(gimple_mod_subtract): Likewise.
(gimple_ic): Likewise.
(gimple_stringop_fixed_value): Likewise.
(gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
longer having bare FUNCTION_DECL operand.
* ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
* omp-low.c (optimize_omp_library_calls): Likewise.
* cgraphunit.c (update_call_expr): Likewise.
* tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
(execute_convert_to_rsqrt): Likewise.
* cfgexpand.c (gimple_to_tree): Simplify.
(release_stmt_tree): Fix for GIMPLE_CALL no longer having
bare FUNCTION_DECL operand.
* tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
(convert_gimple_call): Use gimple_call_fndecl.
* c-common.c (c_warn_unused_result): Likewise.
* gcc.dg/tree-ssa/inline-2.c: New testcase.
From-SVN: r138907
* matrix-reorg.c (compute_offset): Avoid C++ keywords.
* c-common.c: Fix typo.
(c_common_reswords): Activate more C++ keyword warnings.
testsuite:
* gcc.dg/Wcxx-compat-2.c: Adjust test for more warnings.
From-SVN: r138817
2008-07-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR 35058
* diagnostic.c (pedwarn): Add opt parameter.
(pedwarn0): New.
* c-tree.h (pedwarn_init): Add opt parameter.
(pedwarn_c90): Likewise.
(pedwarn_c99): Likewise.
* c-errors.c (pedwarn_c99): Likewise.
(pedwarn_c90): Likewise.
* toplev.h (pedwarn): Update declaration.
(pedwarn0): Declare.
* c-lex.c: All calls to pedwarn changed.
* builtins.c: All calls to pedwarn changed.
* toplev.c: All calls to pedwarn changed.
* c-decl.c: All calls to pedwarn changed.
* c-typeck.c: All calls to pedwarn changed.
* c-common.c: All calls to pedwarn changed.
* c-parser.c: All calls to pedwarn changed.
cp/
* typeck.c: All calls to pedwarn changed.
* decl.c: All calls to pedwarn changed.
* call.c: All calls to pedwarn changed.
* error.c: All calls to pedwarn changed.
* typeck2.c: All calls to pedwarn changed.
* pt.c: All calls to pedwarn changed.
* name-lookup.c: All calls to pedwarn changed.
* parser.c: All calls to pedwarn changed.
fortran/
* f95-lang.c (gfc_mark_addressable): All calls to pedwarn changed.
testsuite/
* gcc.dg/Wdeclaration-after-statement-3.c: New.
* gcc/testsuite/gcc.dg/Wpointer-arith.c: New.
From-SVN: r138089
gcc/ChangeLog:
2008-07-16 Kris Van Hees <kris.van.hees@oracle.com>
* c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
and __CHAR32_TYPE__.
* c-typeck.c (digest_init): Support char16_t and char32_t.
(set_nonincremental_init_from_string): Idem.
gcc/cp/ChangeLog:
2008-07-16 Kris Van Hees <kris.van.hees@oracle.com>
* rtti.c (emit_support_tinfos): Add char16_type_node and
char32_type_node.
* typeck2.c (digest_init): Support char16_t and char32_t.
gcc/testsuite/ChangeLog:
2008-07-16 Kris Van Hees <kris.van.hees@oracle.com>
Tests for char16_t and char32_t support.
* g++.dg/ext/utf-array.C: New
* g++.dg/ext/utf-array-short-wchar.C: New
* g++.dg/ext/utf-rtti.C: New
* g++.dg/ext/utf-type.c: New
* gcc.dg/utf-array.c: New
* gcc.dg/utf-array-short-wchar.c: New
* gcc.dg/utf-inc-init.c: New
* gcc.dg/utf-type.c: New
libstdc++-v3/ChangeLog:
2008-07-16 Kris Van Hees <kris.van.hees@oracle.com>
Holger Hopp <holger.hopp@sap.com>
* config/abi/pre/gnu.ver: Support char16_t and char32_t.
* testsuite/util/testsuite_abi.cc (check_version): Add
CXXABI_1.3.3 to known_versions.
From-SVN: r137965
2008-07-15 Richard Guenther <rguenther@suse.de>
PR middle-end/36369
* c-common.c (strict_aliasing_warning): Do not warn for
TYPE_REF_CAN_ALIAS_ALL pointers.
(c_common_get_alias_set): may_alias types are not special.
* tree.c (build_pointer_type_for_mode): Look up the may_alias
attribute and set can_ref_all accordingly.
(build_reference_type_for_mode): Likewise.
* doc/extend.texi (may_alias): Clarify.
* gcc.dg/Wstrict-aliasing-bogus-ref-all.c: New testcase.
From-SVN: r137843
./: * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
(struct c_common_resword): Define.
(D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
(D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
(c_common_reswords, num_c_common_reswords): Declare.
* c-common.c (c_common_reswords): New global const array.
(num_c_common_reswords): New const int.
* c-parser.c (struct resword, reswords): Don't define.
(D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
(c_parse_init): Clarify mask code. Use c_common_reswords rather
than reswords. If warning about C++ keywords, give them a special
RID code.
(c_lex_one_token): Warn about C++ keywords. Call
objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
(c_parser_external_declaration): Look for RID_xxx rather than
RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
(c_parser_statement_after_labels): Likewise.
(c_parser_objc_class_instance_variables): Likewise.
(c_parser_objc_class_declaration): Likewise.
(c_parser_objc_try_catch_statement): Likewise.
* c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
(declspecs_add_type): Likewise.
cp/:
* lex.c (struct resword, reswords): Don't define.
(D_EXT, D_ASM, D_OBJC, D_CXX0X): Don't define.
(init_reswords): Clarify mask code. Use c_common_reswords rather
than reswords.
objc/:
* objc-act.c (objc_is_reserved_word): Always check for RID_CLASS,
etc., not just when OBJCPLUS is defined.
testsuite/:
* gcc.dg/Wcxx-compat-2.c: New test.
From-SVN: r137724
2008-07-03 Andrew Haley <aph@redhat.com>
PR bootstrap/33304
* vec.h (VEC_TA): New.
(DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
* c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
(C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
(C_COMMON_FIXED_TYPES): Remove first arg.
(C_COMMON_FIXED_MODE_TYPES): Likewise.
* tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
not to use empty macro arguments.
From-SVN: r137413
* c-typeck.c (convert_for_assignment): Use
vector_targets_convertible_p.
* c-common.c (vector_targets_convertible_p): New.
* c-common.h (vector_targets_convertible_p): New prototype.
* config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
opaque_p_V2SI_type_node.
* typeck.c (comp_ptr_ttypes_real): Use vector_targets_convertible_p.
(comp_ptr_ttypes_const): Likewise.
* g++.dg/other/opaque-1.C, g++.dg/other/opaque-2.C,
g++.dg/other/opaque-3.C: Also run on powerpc*-*-linux*spe*.
From-SVN: r137325
* targhooks.h (struct gcc_target): New member unwind_word_mode.
(default_unwind_word_mode): Add prototype.
* targhooks.c (default_unwind_word_mode): New function.
(default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
instead of word_mode.
* target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
(TARGET_INITIALIZER): Use it.
* c-common.c (handle_mode_attribute): Support "unwind_word"
mode attribute.
* unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
* except.c (init_eh): Use targetm.unwind_word_mode () instead of
word_mode to access SjLj_Function_Context member "data".
(sjlj_emit_dispatch_table): Likewise. Also, perform type
conversion from targetm.eh_return_filter_mode () to
targetm.unwind_word_mode () if they differ.
* builtin-types.def (BT_UNWINDWORD): New primitive type.
(BT_FN_UNWINDWORD_PTR): New function type.
(BT_FN_WORD_PTR): Remove.
* builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
* except.c (expand_builtin_extend_pointer): Convert pointer to
targetm.unwind_word_mode () instead of word_mode.
* config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
* config/spu/spu.c (spu_eh_return_filter_mode): Remove.
(spu_unwind_word_mode): New function.
(TARGET_EH_RETURN_FILTER_MODE): Do not define.
(TARGET_UNWIND_WORD_MODE): Define.
* config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
From-SVN: r136912
2008-06-11 Richard Guenther <rguenther@suse.de>
* alias.c (get_alias_set): Use the element alias-set for arrays.
(record_component_aliases): For arrays and vectors do nothing.
* c-common.c (strict_aliasing_warning): Handle the cases
of alias set zero explicitly.
* Makefile.in (dfp.o-warn): Add -Wno-error.
From-SVN: r136679
2008-05-07 Kenneth Zadeck <zadeck@naturalbridge.com>
PATCH rtl/7335
PATCH rtl/33826
* see.c (see_copy_insn): Copy new pure const attributes for new
call.
* c-decl.c (merge_decls): Ditto.
* postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
to RTL_CONST_OR_PURE_CALL_P.
* tree.c (define_local_buitin): Rename DECL_IS_PURE to
DECL_PURE_P. Initialized DECL_LOOPING_CONST_PURE.
(process_call_operands): Set tree_side_effects properly.
* tree.h (TREE_READONLY_DECL_P): Removed.
(DECL_IS_PURE): Renamed to DECL_PURE_P.
(DECL_LOOPING_OR_CONST_P): New macro.
(struct tree_function_decl): Added looping_const_or_pure_p.
(ECF_*) Renumbered.
(ECF_LOOPING_OR_CONST_P): New macro,
* rtlanal.c (pure_const_p): Removed.
* builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
* reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
to RTL_CONST_CALL_P.
* ipa-pure-const.c (pure_const_state_e): Added looping field.
(check_decl, check_tree, check_call, scan_function): Initialize
looping.
(analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
(static_execute): Set looping true for recursive functions.
Undo setting state to IPA_NEITHER for recursive functions.
* cse.c (cse_insn):
* ifcvt.c (noce_can_store_speculate_p): Changed
CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
RTL_CONST_OR_PURE_CALL_P.
* dse.c (scan_insn): Ditto.
* local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
* gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
RTL_CONST_OR_PURE_CALL_P.
(store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
pure_call_p to RTL_CONST_CALL_P.
* gimplify.c (gimplify_call_expr): Clear side effects for
non-looping pure and constant calls.
* calls.c (emit_call_1): Set rtl flags from ecf flags.
(flags_from_decl_or_type): Set ecf flags from decl flags.
(initialize_argument_information): Turn off
ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
Change const to pure if callee_copies is true rather than just
turning off const.
(expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
way of marking pure calls.
(emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
Remove hack that was supposed to fix pr7335 and remove old
way of marking pure calls.
* emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
* cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
RTL_CONST_OR_PURE_CALL_P.
* tree-ssa-pre.c (can_value_number_call): Fixed spacing.
* loop-invariant.c (find_exits, find_invariant_bb): Changed
CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
* sched-deps.c (schedule_analyze): Ditto.
* rtl.h (struct rtx_def): Use call field, unchanging field, and
return_val field of calls to represent pure and const function
info.
(CONST_OR_PURE_CALL_P): Deleted macro.
(RTL_CONST_CALL_P, RTL_PURE_CALL_P,
RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
* tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
TREE_READONLY.
* tree-optimize.c (execute_fixup_cfg): Added test for
ECF_LOOPING_CONST_OR_PURE.
* c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
DECL_PURE_P.
* tree-cfg.c (update_call_expr_flags): Do not clear tree side
effects for looping pure or const calls.
(verify_gimple_expr): Added verification code.
* config/alpha/alpha.c (alpha_legitimize_address,
alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
RTL_CONST_CALL_P.
* config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
* config/mips/mips.c (mips_call_tls_get_addr): Ditto.
* cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
RTL_CONST_OR_PURE_CALL_P.
* dce.c (deletable_insn_p): Allow non looping, non sibling, pure
and const calls to be deleted.
java:
2008-05-07 Kenneth Zadeck <zadeck@naturalbridge.com>
* decl.c (java_init_decl_processing): Change DECL_IS_PURE to
DECL_PURE_P.
cp:
2008-05-07 Kenneth Zadeck <zadeck@naturalbridge.com>
* decl.c (duplicate_decls): Merge in DECL_PURE_P, TREE_READONLY,
DECL_LOOPING_CONST_OR_PURE_P attributes.
* rtti.c (build_dynamic_cast_1): Rename DECL_IS_PURE to
DECL_PURE_P.
gfortran:
2008-05-07 Kenneth Zadeck <zadeck@naturalbridge.com>
* trans-decl.c (gfc_get_extern_function_decl, build_function_decl):
Rename DECL_IS_PURE to DECL_PURE_P.
From-SVN: r135053