Jason Merrill [Tue, 31 Mar 2009 15:42:58 +0000 (11:42 -0400)]
PR c++/38030, 38850, 39070
PR c++/38030, 38850, 39070
* pt.c (type_dependent_expression_p_push): New fn.
(tsubst_copy_and_build) [CALL_EXPR]: Only do arg-dep lookup when the
substitution makes the call non-dependent. Preserve koenig_p.
* parser.c (cp_parser_postfix_expression): Only do arg-dep lookup
for non-dependent calls.
* semantics.c (finish_call_expr): Revert earlier changes.
* cp-tree.h: Revert change to finish_call_expr prototype.
Bernd Schmidt [Tue, 31 Mar 2009 15:24:24 +0000 (15:24 +0000)]
loop-iv.c (replace_single_def_regs, [...]): New static functions.
* loop-iv.c (replace_single_def_regs, replace_in_expr): New static
functions.
(simplify_using_assignment, simplify_using_initial_values): Call
replace_in_expr to make replacements. Call replace_single_def_regs
once on the initial version of the expression.
Bernd Schmidt [Tue, 31 Mar 2009 15:21:30 +0000 (15:21 +0000)]
loop-iv.c (determine_max_iter): New arg OLD_NITER.
* loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
changed. Use this when trying to improve the upper bound.
Generate the comparison by using simplify_gen_relational.
Bernd Schmidt [Tue, 31 Mar 2009 15:16:41 +0000 (15:16 +0000)]
loop-iv.c (simplify_using_condition): A condition of the form (EQ REG CONST) can be used to simply make a substitution.
* loop-iv.c (simplify_using_condition): A condition of the form
(EQ REG CONST) can be used to simply make a substitution.
(simplify_using_initial_values): Keep track of conditions we have seen
and keep using them to simplify new expressions, while applying the
same substitutions to them as to the expression.
Bernd Schmidt [Tue, 31 Mar 2009 15:15:04 +0000 (15:15 +0000)]
loop-iv.c (suitable_set_for_replacement): Renamed from simplify_using_assignment...
* loop-iv.c (suitable_set_for_replacement): Renamed from
simplify_using_assignment; changed to return bool and to accept new
args DEST and SRC. Return true iff we find a source/destination pair
that can be used to make a replacement, and fill SRC and DEST if so.
Remove arg ALTERED. Don't deal with altered regs here. All callers
changed.
(simplify_using_initial_values): Deal with altered regs here and track
more precisely the effect they have on the validity of our expression.
Joseph Myers [Tue, 31 Mar 2009 12:51:02 +0000 (13:51 +0100)]
re PR target/39592 (Revision 145272 breaks -ansi -msse)
PR target/39592
* config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
define_splits, floatunssi<mode>2): Require x87 conversions from
DImode to be permitted.
testsuite:
* gcc.target/i386/pr39592-1.c: New test.
gcc/testsuite:
* gcc.dg/cpp/missing-header-1.c: New test.
* gcc.dg/cpp/include2.c: Only test #include <>. Expect
"compilation terminated" message.
* gcc.dg/cpp/include2a.c: New test. Copy of include2.c but only
test #include "".
* gcc.dg/pch/counter-2.c, gcc.dg/pch/valid-1.c,
gcc.dg/pch/valid-2.c, gcc.dg/pch/warn-1.c: Expect "compilation
terminated" message.
libcpp:
* files.c (_cpp_find_file): Call open_file_failed after diagnosing
invalid PCH.
(open_file_failed): Make error for missing file fatal.
* include/cpplib.h (CPP_DL_FATAL): Define.
Steven G. Kargl [Tue, 31 Mar 2009 04:38:12 +0000 (04:38 +0000)]
alloc_alloc_expr_1.f90: Adjust for new error message.
2008-12-10 Steven G. Kargl <kargls@comcast.net>
* gfortran.dg/alloc_alloc_expr_1.f90: Adjust for new error message.
* gfortran.dg/allocate_alloc_opt_1.f90: New test.
* gfortran.dg/allocate_alloc_opt_2.f90: Ditto.
* gfortran.dg/allocate_alloc_opt_3.f90: Ditto.
* gfortran.dg/deallocate_alloc_opt_1.f90: Ditto.
* gfortran.dg/deallocate_alloc_opt_2.f90: Ditto.
* gfortran.dg/deallocate_alloc_opt_3.f90: Ditto.
2008-12-10 Steven G. Kargl <kargls@comcast.net>
* trans-stmt.c(gfc_trans_allocate): Add translation of ERRMSG.
(gfc_trans_deallocate): Add translation of ERRMSG. Remove stale
comments. Minor whitespace cleanup.
* resolve.c(is_scalar_expr_ptr): Whitespace cleanup.
(resolve_deallocate_expr (gfc_expr *e): Update error message.
(resolve_allocate_expr): Remove dead code. Update error message.
Move error checking to ...
(resolve_allocate_deallocate): ... here. Add additional error
checking for STAT, ERRMSG, and allocate-objects.
* match.c(gfc_match_allocate,gfc_match_deallocate): Parse ERRMSG.
Check for redundant uses of STAT and ERRMSG. Reword error message
and add checking for pointer, allocatable, and proc_pointer attributes.
Jan Hubicka [Mon, 30 Mar 2009 22:35:22 +0000 (00:35 +0200)]
tree-eh.c (make_eh_edges): Set probability 100% to first edge out of RESX.
* tree-eh.c (make_eh_edges): Set probability 100% to first edge out of RESX.
(tree_remove_unreachable_handlers): Cleanup EH predecestor detection and label
handling.
Paul Thomas [Mon, 30 Mar 2009 19:35:14 +0000 (19:35 +0000)]
re PR fortran/22571 (Reject derived types for dummy arguments declared in the subroutine unless they are SEQUENCE)
2009-03-30 Paul Thomas <pault@gcc.gnu.org>
PR fortran/22571
PR fortran/26227
PR fortran/24886
* symbol.c : Add gfc_global_ns_list.
* decl.c (add_global_entry): Set the namespace ('ns') field.
* gfortran.h : Add the resolved field to gfc_namespace. Add the
namespace ('ns') field to gfc_gsymbol. Add flag_whole_file to
gfc_option_t. Add the prototype for gfc_free_dt_list.
* lang.opt : Add the whole-file option.
* invoke.texi : Document the whole-file option.
* resolve.c (resolve_global_procedure): If the fwhole-file
option is set, reorder gsymbols to ensure that translation is
in the right order. Resolve the gsymbol's namespace if that
has not occurred and then check interfaces.
(resolve_function): Move call to resolve_global_procedure.
(resolve_call): The same.
(resolve_codes): Store the current labels_obstack.
(gfc_resolve) : Return if the namespace is already resolved.
trans-decl.c (gfc_get_extern_function_decl): If the whole_file
option is selected, use the backend_decl of a gsymbol, if it is
available.
parse.c (add_global_procedure, add_global_program): If the flag
whole-file is set, add the namespace to the gsymbol.
(gfc_parse_file): On -fwhole-file, put procedure namespaces on
the global namespace list. Rearrange to do resolution of all
the procedures in a file, followed by their translation.
* options.c (gfc_init_options): Add -fwhole-file.
(gfc_handle_option): The same.
2009-03-30 Paul Thomas <pault@gcc.gnu.org>
PR fortran/22571
* gfortran.dg/whole_file_1.f90: New test.
PR fortran/26227
* gfortran.dg/whole_file_2.f90: New test.
* gfortran.dg/whole_file_3.f90: New test.
PR fortran/24886
* gfortran.dg/whole_file_4.f90: New test.
Vladimir Makarov [Mon, 30 Mar 2009 18:51:25 +0000 (18:51 +0000)]
ira-int.h (ira_allocno): Rename left_conflicts_num to left_conflicts_size.
2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
* ira-int.h (ira_allocno): Rename left_conflicts_num to
left_conflicts_size.
(ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
ALLOCNO_LEFT_CONFLICTS_SIZE.
* ira-color.c (allocno_spill_priority, push_allocno_to_stack,
remove_allocno_from_bucket_and_push,
allocno_spill_priority_compare, push_allocnos_to_stack,
setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
instead of ALLOCNO_LEFT_CONFLICTS_NUM.
(setup_allocno_left_conflicts_num): Ditto. Rename to
setup_allocno_left_conflicts_size.
(put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
instead of ALLOCNO_LEFT_CONFLICTS_NUM and
setup_allocno_left_conflicts_size instead of
setup_allocno_left_conflicts_num.
* ira-build.c (ira_create_allocno): Use
ALLOCNO_LEFT_CONFLICTS_SIZE instead of
ALLOCNO_LEFT_CONFLICTS_NUM.
Ulrich Weigand [Mon, 30 Mar 2009 17:37:02 +0000 (17:37 +0000)]
f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_HUGE_VAL family of intrinsics instead of BUILT_IN_INF family.
* f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_HUGE_VAL
family of intrinsics instead of BUILT_IN_INF family.
* trans-intrinsics.c (gfc_conv_intrinsic_nearest): Use
BUILT_IN_HUGE_VAL instead of BUILT_IN_INF.
Jakub Jelinek [Mon, 30 Mar 2009 14:35:03 +0000 (16:35 +0200)]
re PR debug/39563 (C block scopes have no DW_TAG_lexical_block)
PR debug/39563
* c-decl.c (struct c_binding): Add locus field.
(bind): Add locus argument, set locus field from it.
(pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
(push_file_scope, pushtag, pushdecl, pushdecl_top_level,
implicitly_declare, undeclared_variable, lookup_label,
declare_label, c_make_fname_decl, c_builtin_function,
c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
bind callers.
* ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
respectively.
* tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
seen_variable_array_ref while also traversing a union.
* tree-inline.c (optimize_inline_calls): Do not call
cgraph_node_remove_callees.
* cgraphbuild.c (remove_cgraph_callee_edges): New function.
(pass_remove_cgraph_callee_edges): New variable.
* passes.c (init_optimization_passes): Add
pass_remove_cgraph_callee_edges after early inlining and before all
late intraprocedural passes.
* omp-low.c (expand_omp_taskreg): Always set current_function_decl.
Paolo Bonzini [Mon, 30 Mar 2009 09:09:52 +0000 (09:09 +0000)]
sparc.c (sparc_compare_emitted): Remove.
2009-03-30 Paolo Bonzini <bonzini@gnu.org>
* config/sparc/sparc.c (sparc_compare_emitted): Remove.
(gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
sparc_compare_op0 like sparc_compare_emitted used to be handled.
(sparc_expand_compare_and_swap_12): Set sparc_compare_op0
instead of sparc_compare_emitted.
* config/sparc/sparc.h (sparc_compare_emitted): Remove.
* config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
instead of sparc_compare_emitted.
Paolo Bonzini [Mon, 30 Mar 2009 08:58:52 +0000 (08:58 +0000)]
bb-reorder.c (partition_hot_cold_basic_blocks): Do not enter/exit cfglayout mode.
2009-03-30 Paolo Bonzini <bonzini@gnu.org>
* bb-reorder.c (partition_hot_cold_basic_blocks): Do not
enter/exit cfglayout mode.
(pass_partition_block): Require it.
* combine.c (find_single_use, reg_dead_at_p): Use CFG.
(combine_instructions): Track basic blocks instead of labels.
(update_cfg_for_uncondjump): New.
(try_combine): Use it. Update jumps after rescanning.
(pass_combine): Require PROP_cfglayout.
* passes.c (pass_outof_cfg_layout_mode): Move after regmove.
Joseph Myers [Mon, 30 Mar 2009 01:50:44 +0000 (02:50 +0100)]
re PR middle-end/323 (optimized code gives strange floating point results)
PR rtl-optimization/323
* c-common.c (c_fully_fold, convert_and_check,
c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
(c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
* c-common.def (EXCESS_PRECISION_EXPR): New.
* c-cppbuiltin.c (builtin_define_float_constants): Define
constants with enough digits for long double.
* c-lex.c (interpret_float): Interpret constant with excess
precision where appropriate.
* c-opts.c (c_common_post_options): Set
flag_excess_precision_cmdline. Give an error for
-fexcess-precision=standard for C++ for processors where the
option is significant.
* c-parser.c (c_parser_conditional_expression): Handle excess
precision in condition.
* c-typeck.c (convert_arguments): Handle arguments with excess
precision.
(build_unary_op): Move excess precision outside operation.
(build_conditional_expr): Likewise.
(build_compound_expr): Likewise.
(build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
(build_modify_expr): Handle excess precision in RHS.
(convert_for_assignment): Handle excess precision in converted
value.
(digest_init, output_init_element, process_init_element): Handle
excess precision in initializer.
(c_finish_return): Handle excess precision in return value.
(build_binary_op): Handle excess precision in operands and add
excess precision as needed for operation.
* common.opt (-fexcess-precision=): New option.
* config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
* config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
For standard excess precision, output explicit conversion to and
truncation from XFmode.
(*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
*float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
*fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
*fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
define_splits, sqrt<mode>2): Disable where appropriate for
standard excess precision.
* convert.c (convert_to_real): Do not shorten arithmetic to type
for which excess precision would be used.
* defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
* doc/invoke.texi (-fexcess-precision=): Document option.
(-mfpmath=): Correct index entry.
* flags.h (enum excess_precision, flag_excess_precision_cmdline,
flag_excess_precision): New.
* langhooks.c (lhd_post_options): Set
flag_excess_precision_cmdline.
* opts.c (common_handle_option): Handle -fexcess-precision=.
* toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
init_excess_precision): New.
(lang_dependent_init_target): Call init_excess_precision.
* tree.c (excess_precision_type): New.
* tree.h (excess_precision_type): Declare.
ada:
* gcc-interface/misc.c (gnat_post_options): Set
flag_excess_precision_cmdline. Give an error for
-fexcess-precision=standard for processors where the option is
significant.
fortran:
* options.c (gfc_post_options): Set
flag_excess_precision_cmdline. Give an error for
-fexcess-precision=standard for processors where the option is
significant.
java:
* lang.c (java_post_options): Set flag_excess_precision_cmdline.
Give an error for -fexcess-precision=standard for processors where
the option is significant.
testsuite:
* gcc.target/i386/excess-precision-1.c,
gcc.target/i386/excess-precision-2.c,
gcc.target/i386/excess-precision-3.c,
gcc.target/i386/excess-precision-4.c,
gcc.target/i386/excess-precision-5.c,
gcc.target/i386/excess-precision-6.c: New tests.
Joseph Myers [Sun, 29 Mar 2009 22:56:07 +0000 (23:56 +0100)]
re PR preprocessor/34695 (Preprocessor warning->error conversion from -Werror is silent)
PR preprocessor/34695
gcc:
* Makefile.in (c-opts.o): Depend on c-tree.h.
* c-common.c: Move down include of diagnostic.h.
(done_lexing, c_cpp_error): New.
* c-common.h (done_lexing): Declare.
* c-decl.c (c_write_global_declarations): Don't check cpp_errors
(parse_in).
* c-opts.c: Include c-tree.h.
(c_common_init_options): Set preprocessor error callback.
(c_common_handle_option): Do not set preprocessor
inhibit_warnings, warnings_are_errors, warn_system_headers,
pedantic_errors or inhibit_warnings flags.
(c_common_post_options): Do not check cpp_errors (parse_in).
(c_common_finish): Do not output dependencies if there were
errors. Do not check return value of cpp_finish.
* c-ppoutput.c (pp_file_change): Set input_location.
* c-tree.h (c_cpp_error): Declare.
* diagnostic.c (diagnostic_set_info_translated): Also initialize
override_column.
(diagnostic_build_prefix): Check override_column.
* diagnostic.h (diagnostic_info): Add override_column field.
(diagnostic_override_column): Define.
gcc/cp:
* cp-tree.h (cp_cpp_error): Remove.
* error.c (cp_cpp_error): Remove.
* parser.c (cp_lexer_new_main): Set done_lexing instead of
client_diagnostic and error callback.
gcc/fortran:
* cpp.c (cb_cpp_error): New.
(gfc_cpp_post_options): Don't set cpp_option->inhibit_warnings.
Don't check cpp_errors (cpp_in).
(gfc_cpp_init_0): Set cb->error.
gcc/testsuite:
* gcc.dg/builtin-redefine.c, gcc.dg/cpp/redef2.c,
gcc.dg/cpp/redef3.c, gcc.dg/cpp/trad/redef2.c: Use dg-message
instead of dg-warning for "previous definition" messages.
* gcc.dg/cpp/Wvariadic-1.c, gcc.dg/cpp/Wvariadic-3.c: Expect
"warnings being treated as errors" message.
* gcc.dg/fltconst-1.c: Use -fshow-column.
libcpp:
* makedepend.c: Remove.
* Makefile.in (makedepend_OBJS, makedepend$(EXEEXT)): Remove.
(all, clean, TAGS_SOURCES, include): Remove makedepend handling.
* directives.c (cpp_errors): Remove.
* errors.c (print_location, _cpp_begin_message, v_message):
Remove.
(cpp_error, cpp_error_with_line): Always use error callback.
(cpp_error, cpp_error_with_line, cpp_errno): Return bool.
* include/cpplib.h (cpp_options): Remove pedantic_errors,
inhibit_warnings, warn_system_headers, inhibit_errors,
warnings_are_errors, client_diagnostic.
(cpp_callbacks): Add extra arguments to error callback; make it
return bool.
(cpp_finish): Return void.
(cpp_destroy): Remove inaccurate comment about return value.
(cpp_errors, CPP_DL_EXTRACT, CPP_DL_WARNING_P): Remove.
(CPP_DL_NOTE): Define.
* include/line-map.h (linemap_print_containing_files): Remove.
* init.c (cpp_finish): Do not check for or return number of
errors.
* internal.h (cpp_reader): Remove errors field.
* line-map.c (linemap_print_containing_files): Remove.
* macro.c (_cpp_create_definition): Use CPP_DL_NOTE for message
about previous definition. Only emit it if previous diagnostic
was emitted.
Steven G. Kargl [Sun, 29 Mar 2009 20:33:07 +0000 (20:33 +0000)]
re PR fortran/38823 (Diagnose and treat (-2.0)**2.0 properly)
2009-03-29 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/38823
* gfortran.dg/power1.f90: New test.
2009-03-29 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/38823
* gfortran.h: Add ARITH_PROHIBIT to arith enum.
expr.c (gfc_match_init_expr): Add global variable init_flag to
flag matching an initialization expression.
(check_intrinsic_op): Move no longer reachable error message to ...
* arith.c (arith_power): ... here. Remove gfc_ prefix in
gfc_arith_power. Use init_flag. Allow constant folding of x**y
when y is REAL or COMPLEX.
(eval_intrinsic): Remove restriction that y in x**y must be INTEGER
for constant folding.
* gfc_power: Update gfc_arith_power to arith_power
* expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
handling from c-semantics.c; don't call into langhook.
(expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
* gimplify.c (gimplify_compound_literal_expr,
optimize_compound_literals_in_ctor): Move from c-gimplify.c.
(gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
(gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
as was done in c-gimplify.c.
* tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
* tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
Move from c-common.h.
* tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
gcc:
* builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
void_type_node.
(fold_call_expr): Return a NOP_EXPR from folding rather than the
contained expression.
* c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr):
New.
(c_common_truthvalue_conversion): Use c_save_expr. Do not fold
conditional expressions for C.
(decl_constant_value_for_optimization): Move from
decl_constant_value_for_broken_optimization in c-typeck.c. Check
whether optimizing and that the expression is a VAR_DECL not of
array type instead of doing such checks in the caller. Do not
check pedantic. Call gcc_unreachable for C++.
* c-common.def (C_MAYBE_CONST_EXPR): New.
* c-common.h (c_fully_fold, c_save_expr,
decl_constant_value_for_optimization): New prototypes.
(C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
EXPR_INT_CONST_OPERANDS): Define.
* c-convert.c (convert): Strip nops from expression.
* c-decl.c (groktypename): Take extra parameters expr and
expr_const_operands. Update call to grokdeclarator.
(start_decl): Update call to grokdeclarator. Add statement for
expressions used in type of decl.
(grokparm): Update call to grokdeclarator.
(push_parm_decl): Update call to grokdeclarator.
(build_compound_literal): Add parameter non_const and build a
C_MAYBE_COSNT_EXPR if applicable.
(grokdeclarator): Take extra parameters expr and
expr_const_operands. Track expressions used in declaration
specifiers and declarators. Fold array sizes and track whether
they are constant expressions and whether they are integer
constant expressions.
(parser_xref_tag): Set expr and expr_const_operands fields in
return value.
(grokfield): Update call to grokdeclarator.
(start_function): Update call to grokdeclarator.
(build_null_declspecs): Set expr and expr_const_operands fields in
return value.
(declspecs_add_type): Handle expressions in typeof specifiers.
* c-parser.c (c_parser_declspecs): Set expr and
expr_const_operands fields for declaration specifiers.
(c_parser_enum_specifier): Likewise.
(c_parser_struct_or_union_specifier): Likewise.
(c_parser_typeof_specifier): Likewise. Update call to
groktypename. Fold expression as needed. Return expressions with
type instead of adding statements.
(c_parser_attributes): Update calls to c_parser_expr_list.
(c_parser_statement_after_labels): Fold expression before passing
to objc_build_throw_stmt.
(c_parser_condition): Fold expression.
(c_parser_asm_operands): Fold expression.
(c_parser_conditional_expression): Use c_save_expr. Update call
to build_conditional_expr.
(c_parser_alignof_expression): Update call to groktypename.
(c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
original_code. Fold expression argument of va_arg. Create
C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
argument to va_arg. Update calls to groktypename. Fold array
index for offsetof. Verify that first argument to
__builtin_choose_expr has integer type.
(c_parser_postfix_expression_after_paren_type): Update calls to
groktypename and build_compound_literal. Handle expressions with
side effects in type name.
(c_parser_postfix_expression_after_primary): Update call to
c_parser_expr_list. Set original_code for calls to
__builtin_constant_p.
(c_parser_expr_list): Take extra parameter fold_p. Fold
expressions if requested.
(c_parser_objc_type_name): Update call to groktypename.
(c_parser_objc_synchronized_statement): Fold expression.
(c_parser_objc_receiver): Fold expression.
(c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
(c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
* c-tree.h (CONSTRUCTOR_NON_CONST): Define.
(struct c_typespec): Add elements expr and expr_const_operands.
(struct c_declspecs): Add elements expr and expr_const_operands.
(groktypename, build_conditional_expr, build_compound_literal):
Update prototypes.
(in_late_binary_op): Declare.
* c-typeck.c (note_integer_operands): New function.
(in_late_binary_op): New variable.
(decl_constant_value_for_broken_optimization): Move to c-common.c
and rename to decl_constant_value_for_optimization.
(default_function_array_conversion): Do not strip nops.
(default_conversion): Do not call
decl_constant_value_for_broken_optimization.
(build_array_ref): Do not fold result.
(c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
result when operand is a VLA.
(c_expr_sizeof_type): Update call to groktypename. Handle
expressions included in type name. Use C_MAYBE_CONST_EXPR for
result when operand names a VLA type.
(build_function_call): Update call to build_compound_literal.
Only fold result for calls to __builtin_* functions. Strip
NOP_EXPR from INTEGER_CST returned from such functions. Fold
the function designator.
(convert_arguments): Fold arguments. Update call to
convert_for_assignment.
(build_unary_op): Handle increment and decrement of
C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
decrement earlier. Fold operand of increment and decrement.
Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
built for integer operand. Wrap returns that are INTEGER_CSTs
without being integer constant expressions or that have integer
constant operands without being INTEGER_CSTs.
(lvalue_p): Handle C_MAYBE_CONST_EXPR.
(build_conditional_expr): Add operand ifexp_bcp. Track whether
result is an integer constant expression or can be used in
unevaluated parts of one and avoid folding and wrap as
appropriate. Fold operands before possibly doing -Wsign-compare
warnings.
(build_compound_expr): Wrap result for C99 if operands can be used
in integer constant expressions.
(build_c_cast): Update call to digest_init. Do not ignore
overflow from casting floating-point constants to integers. Wrap
results that could be confused with integer constant expressions,
null pointer constants or floating-point constants.
(c_cast_expr): Update call to groktypename. Handle expressions
included in type name.
(build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
lhs inside possible SAVE_EXPR. Fold RHS before assignment.
Update calls to convert_for_assignment.
(convert_for_assignment): Take new parameter
null_pointer_constant. Do not strip nops or call
decl_constant_value_for_broken_optimization. Set
in_late_binary_op for conversions to boolean.
(store_init_value): Update call to digest_init.
(digest_init): Take new parameter null_pointer_constant. Do not
call decl_constant_value_for_broken_optimization. pedwarn for
initializers not constant expressions. Update calls to
convert_for_assignment.
(constructor_nonconst): New.
(struct constructor_stack): Add nonconst element.
(really_start_incremental_init, push_init_level, pop_init_level):
Handle constructor_nonconst and nonconst element.
(set_init_index): Call constant_expression_warning for array
designators.
(output_init_element): Fold value. Set constructor_nonconst as
applicable. pedwarn for initializers not constant expressions.
Update call to digest_init. Call constant_expression_warning
where constant initializers are required.
(process_init_element): Use c_save_expr.
(c_finish_goto_ptr): Fold expression.
(c_finish_return): Fold return value. Update call to
convert_for_assignment.
(c_start_case): Fold switch expression.
(c_process_expr_stmt): Fold expression.
(c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
ensure statement expression is not evaluated in constant
expression.
(build_binary_op): Track whether results are integer constant
expressions or may occur in such, disable folding and wrap results
as applicable. Fold operands for -Wsign-compare warnings unless
in_late_binary_op.
(c_objc_common_truthvalue_conversion): Handle results folded to
integer constants that are not integer constant expressions.
* doc/extend.texi: Document when typeof operands are evaluated,
that condition of __builtin_choose_expr is an integer constant
expression, and more about use of __builtin_constant_p in
initializers.
gcc/objc:
* objc-act.c (objc_finish_try_stmt): Set in_late_binary_op.
gcc/testsuite:
* gcc.c-torture/compile/20081108-1.c,
gcc.c-torture/compile/20081108-2.c,
gcc.c-torture/compile/20081108-3.c, gcc.dg/bconstp-2.c,
gcc.dg/bconstp-3.c, gcc.dg/bconstp-4.c, gcc.dg/c90-const-expr-6.c,
gcc.dg/c90-const-expr-7.c, gcc.dg/c90-const-expr-8.c,
gcc.dg/c90-const-expr-9.c, gcc.dg/c90-const-expr-10.c,
gcc.dg/c90-const-expr-11.c, gcc.dg/c99-const-expr-6.c,
gcc.dg/c99-const-expr-7.c, gcc.dg/c99-const-expr-8.c,
gcc.dg/c99-const-expr-9.c, gcc.dg/c99-const-expr-10.c,
gcc.dg/c99-const-expr-11.c, gcc.dg/c99-const-expr-12.c,
gcc.dg/c99-const-expr-13.c, gcc.dg/compare10.c,
gcc.dg/gnu89-const-expr-1.c, gcc.dg/gnu89-const-expr-2.c,
gcc.dg/gnu99-const-expr-1.c, gcc.dg/gnu99-const-expr-2.c,
gcc.dg/gnu99-const-expr-3.c, gcc.dg/vla-12.c, gcc.dg/vla-13.c,
gcc.dg/vla-14.c, gcc.dg/vla-15.c, gcc.dg/vla-16.c: New tests.
* gcc.dg/c90-const-expr-1.c, gcc.dg/c90-const-expr-2.c,
gcc.dg/c90-const-expr-3.c, gcc.dg/c99-const-expr-2.c,
gcc.dg/c99-const-expr-3.c, gcc.dg/c99-static-1.c: Remove XFAILs.
* gcc.dg/c90-const-expr-2.c: Use ZERO in place of 0 in another
case.
* gcc.dg/overflow-warn-1.c, gcc.dg/overflow-warn-2.c,
gcc.dg/overflow-warn-3.c, gcc.dg/overflow-warn-4.c: Remove
XFAILs. Update expected messages.
* gcc.dg/pr14649-1.c, gcc.dg/pr19984.c, gcc.dg/pr25682.c: Update
expected messages.
* gcc.dg/real-const-1.c: Replace with test from original PR.
* gcc.dg/vect/pr32230.c: Use intermediate cast to __PTRDIFF_TYPE__
when casting from non-constant integer to pointer.
Daniel Kraft [Sun, 29 Mar 2009 17:47:00 +0000 (19:47 +0200)]
re PR fortran/37423 (Fortran 2003: DEFERRED bindings not yet implemented)
2009-03-29 Daniel Kraft <d@domob.eu>
PR fortran/37423
* gfortran.h (struct gfc_typebound_proc): Added new flag `deferred' and
added a comment explaining DEFERRED binding handling.
* decl.c (match_binding_attributes): Really match DEFERRED attribute.
(match_procedure_in_type): Really match PROCEDURE(interface) syntax
and do some validity checks for DEFERRED and this construct.
* module.c (binding_overriding): New string constant for DEFERRED.
(mio_typebound_proc): Module-IO DEFERRED flag.
* resolve.c (check_typebound_override): Ensure that a non-DEFERRED
binding is not overridden by a DEFERRED one.
(resolve_typebound_procedure): Allow abstract interfaces as targets
for DEFERRED bindings.
(ensure_not_abstract_walker), (ensure_not_abstract): New methods.
(resolve_fl_derived): Use new `ensure_not_abstract' method for
non-ABSTRACT types extending ABSTRACT ones to ensure each DEFERRED
binding is overridden.
(check_typebound_baseobject): New method.
(resolve_compcall), (resolve_typebound_call): Check base-object of
the type-bound procedure call.
* gfc-internals.texi (Type-bound procedures): Document a little bit
about internal handling of DEFERRED bindings.
2009-03-29 Daniel Kraft <d@domob.eu>
PR fortran/37423
* gfortran.dg/typebound_proc_4.f03: Remove not-implemented check for
DEFERRED bindings.
* gfortran.dg/typebound_proc_9.f03: New test.
* gfortran.dg/typebound_proc_10.f03: New test.
* gfortran.dg/typebound_proc_11.f03: New test.
* gfortran.dg/abstract_type_5.f03: New test.
Steven Bosscher [Sun, 29 Mar 2009 17:20:25 +0000 (17:20 +0000)]
regmove.c (perhaps_ends_bb_p): Remove.
* regmove.c (perhaps_ends_bb_p): Remove.
(optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
from INSN and check that the main loop stays within that basic block.
(optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
(regmove_forward_pass): Split out from regmove_optimize. Use
FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
(regmove_backward_pass): Split out from regmove_optimize. Use
FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
(regmove_optimize): Simplify.
Jan Hubicka [Sun, 29 Mar 2009 13:32:13 +0000 (15:32 +0200)]
re PR tree-optimization/28850 (missed call -> jmp transformation; redundant unwind stuff with empty finally)
PR middle-end/28850
* tree-pass.h (pass_cleanup_eh): New function.
(remove_unreachable_regions): Break code handling RTL
to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
that can not be reached by runtime.
(can_be_reached_by_runtime): New function.
(label_to_region_map): New function.
(num_eh_regions): New function.
(rtl_remove_unreachable_regions): New function.
(convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
(remove_eh_region): New function.
* except.h: Include sbitmap and vecprim.
(remove_eh_region, remove_unreachable_regions, label_to_region_map,
num_eh_regions): Declare.
* passes.c (init_optimization_passes): Schedule cleanup_eh.
* Makefile.in (EXCEPT_H): New; replace all uses of except.h
by it.
* tree-eh.c (tree_remove_unreachable_handlers): New function.
(tree_empty_eh_handler_p): New function.
(cleanup_empty_eh): New function.
(cleanup_eh): New function.
(pass_cleanup_eh): New function.
* except.c (duplicate_eh_regions_0): Handle AKA bitmap.
(duplicate_eh_regions_1): Likewise.
(duplicate_eh_regions): Likewise; cleanup code gorwing the region
vector; call EH verification.
(foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
Be ready for region being removed.
David Ayers [Sun, 29 Mar 2009 08:09:44 +0000 (08:09 +0000)]
re PR objc/27377 (false compiler warnings generated in Objective-C code)
gcc/
2009-03-00 David Ayers <ayers@fsfe.org>
PR objc/27377
* c-typeck.c (build_conditional_expr): Emit ObjC warnings
by calling objc_compare_types and surpress warnings about
incompatible C pointers that are compatible ObjC pointers.
testsuite/
2009-03-00 David Ayers <ayers@fsfe.org>
PR objc/27377
* objc.dg/conditional-1.m: New tests.
* cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
call initialize_inline_failed.
(initialize_inline_failed): Move it from here ...
* cgraph.c (initialize_inline_failed): ... to here.
(cgraph_create_edge): Call initialize_inline_failed rather than
setting inline_failed directly.
2009-03-27 Jan Hubicka <jh@suse.cz>
* cgraph.c (dump_cgraph_node): Add replace output flag by process.
* tree-pass.h (function_called_by_processed_nodes_p): Declare.
* passes.c (function_called_by_processed_nodes_p): New.
* ipa-pure-const.c (check_call): Fix handling of operands.
(analyze_function): Dump debug output for skipped bodies.
(local_pure_const): Use function_called_by_processed_nodes_p.
* dwarf2out.c (reference_to_unused): Use output.
* passes.c (do_per_function_toporder): Likewise.
2008-11-12 Jan Hubicka <jh@suse.cz>
* tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
* ipa-pure-const.c (funct_state_d): Add can throw field; make
state_set_in_source enum
(check_decl): Ignore memory tags; do not set fake looping flags;
dump diagnostics.
(check_operand, check_tree, check_rhs_var, check_lhs_var,
get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
(check_call, analyze_function): Rewrite.
(check_stmt): New.
(add_new_function): Update call of analyze_function.
(generate_summary): Add call of analyze_function.
(propagate): Propagate can_throw; handle state_set_in_source correctly.
(local_pure_const): New function.
(pass_local_pure_const): New pass.
* ipa-inline.c (inline_transform): Set after_inlining.
* tree-eh.c (stmt_can_throw_external): New.
* tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
work with aliasing built.
* tree-flow.h (stmt_can_throw_external): New.
* passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
and local pure/const pass in early and late optimization queue.
Martin Jambor [Sat, 28 Mar 2009 18:10:14 +0000 (19:10 +0100)]
fold-const.c (get_pointer_modulus_and_residue): New parameter allow_func_align.
2009-03-28 Martin Jambor <mjambor@suse.cz>
* fold-const.c (get_pointer_modulus_and_residue): New parameter
allow_func_align.
(fold_binary): Allow function decl aligment consideration is the
second argument is integer constant one.
* tree-ssa-forwprop.c (simplify_bitwise_and): New function.
(tree_ssa_forward_propagate_single_use_vars): Handle assing statements
with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
Jan Hubicka [Sat, 28 Mar 2009 17:55:25 +0000 (18:55 +0100)]
dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
* dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
* tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
* function.h (rtl_data): Add nothrow flag.
* except.c (set_nothrow_function_flags): Use crtl->nothrow;
set DECL_NOTHROW for AVAILABLE functions.
Jakub Jelinek [Sat, 28 Mar 2009 17:24:41 +0000 (18:24 +0100)]
rs6000-c.c (rs6000_macro_to_expand): If macro following vector keyword has expansion starting with pixel or bool...
* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
following vector keyword has expansion starting with pixel or bool
keyword, expand vector to __vector and pixel or bool to __pixel or
__bool.
Paul Thomas [Sat, 28 Mar 2009 17:08:25 +0000 (17:08 +0000)]
re PR fortran/36703 (ICE (segfault) in reduce_binary0 (arith.c:1778))
2009-02-13 Paul Thomas <pault@gcc.gnu.org>
PR fortran/36703
PR fortran/36528
* trans-expr.c (gfc_conv_function_val): Stabilize Cray-pointer
function references to ensure that a valid expression is used.
(gfc_conv_function_call): Pass Cray pointers to procedures.
2009-02-13 Paul Thomas <pault@gcc.gnu.org>
PR fortran/36528
* gfortran.dg/cray_pointers_8.f90: New test.
PR fortran/36703
* gfortran.dg/cray_pointers_9.f90: New test.
Jan Hubicka [Sat, 28 Mar 2009 14:48:43 +0000 (15:48 +0100)]
tree-pass.h (pass_fixup_cfg): New pass.
* tree-pass.h (pass_fixup_cfg): New pass.
* ipa-inline.c (inline_transform): Set
always_inline_functions_inlined/after_inlining.
* tree-optimize.c (execute_fixup_cfg): Do not set them here.
(pass_fixup_cfg): New pass.
* passes.c (init_optimization_passes): Add fixup_cfg.
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