2008-04-08 Eric Botcazou <ebotcazou@adacore.com>
Arnaud Charlet <charlet@adacore.com>
* s-osinte-linux-alpha.ads, s-osinte-linux-hppa.ads: Removed.
s-taspri-posix-noaltstack.ads, s-linux.ads, s-linux-alpha.ads,
s-linux-hppa.ads: New files. Disable alternate stack on ia64-hpux.
* s-osinte-lynxos-3.ads,
(Alternate_Stack): Remove when not needed. Simplify declaration
otherwise.
(Alternate_Stack_Size): New constant.
s-osinte-mingw.ads, s-taprop-mingw.adb: Code clean up: avoid use of
'Unrestricted_Access.
* s-osinte-hpux.ads, s-osinte-solaris-posix.ads, s-osinte-aix.ads,
s-osinte-lynxos.ads, s-osinte-freebsd.ads s-osinte-darwin.ads,
s-osinte-tru64.ads, s-osinte-irix.ads, s-osinte-linux.ads,
s-osinte-solaris.ads, s-osinte-vms.ads
(SA_ONSTACK): New constant.
(stack_t): New record type.
(sigaltstack): New imported function.
(Alternate_Stack): New imported variable.
(Alternate_Stack_Size): New constant.
* system-linux-x86_64.ads: (Stack_Check_Probes): Set to True.
* s-taspri-lynxos.ads, s-taspri-solaris.ads, s-taspri-tru64.ads,
s-taspri-hpux-dce.ads (Task_Address): New subtype of System.Address
(Task_Address_Size): New constant size of System.Address
(Alternate_Stack_Size): New constant.
* s-taprop-posix.adb, s-taprop-linux.adb (Get_Stack_Attributes): Delete.
(Enter_Task): Do not notify stack to System.Stack_Checking.Operations.
Establish the alternate stack if the platform makes use of n alternate
signal stack for stack overflows.
(Create_Task): Take into account the alternate stack in the stack size.
(Initialize): Save the address of the alternate stack into the ATCB for
the environment task.
(Create_Task): Fix assertions for NPTL library (vs old LinuxThreads).
* s-parame.adb (Minimum_Stack_Size): Increase value to 16K to
* system-linux-x86.ads: (Stack_Check_Probes): Set to True.
* s-intman-posix.adb:
(Initialize): Set SA_ONSTACK for SIGSEGV if the platform makes use of an
alternate signal stack for stack overflows.
* init.c (__gnat_adjust_context_for_raise, Linux version): On i386 and
x86-64, adjust the saved value of the stack pointer if the signal was
raised by a stack checking probe.
(HP-UX section): Use global __gnat_alternate_stack as signal handler
stack and only for SIGSEGV.
(Linux section): Likewise on x86 and x86-64.
[VxWorks section]
(__gnat_map_signal): Now static.
(__gnat_error_handler): Not static any more.
(__gnat_adjust_context_for_raise): New function. Signal context
adjustment for PPC && !VTHREADS && !RTP, as required by the zcx
propagation circuitry.
(__gnat_error_handler): Second argument of a sigaction handler is a
pointer, not an int, and is unused.
Adjust signal context before mapping to exception.
Install signal handlers for LynxOS case.
* s-taskin.ads (Common_ATCB): New field Task_Alternate_Stack.
(Task_Id): Set size to Task_Address_Size
(To_Task_id): Unchecked convert from Task_Address vice System.Address
(To_Address): Unchecked convert to Task_Address vice System.Address
* s-tassta.adb (Task_Wrapper): Define the alternate stack and save its
address into the ATCB if the platform makes use of an alternate signal
stack for stack overflows.
(Free_Task): Add call to Finalize_Attributes_Link.
Add argument Relative_Deadline to pass the value specified for
the task. This is not yet used for any target.
* s-tassta.ads (Create_Task): Add argument Relative_Deadline to pass
the value specified for the task.
From-SVN: r134004
2008-04-08 Pascal Obry <obry@adacore.com>
* g-sercom.ads, g-sercom.adb (Data_Rate): Add B115200.
(Stop_Bits_Number): New type.
(Parity_Check): Likewise.
(Set): Add parameter to set the number of stop bits and
the parity. Parameter timeout is now a duration instead
of a plain integer.
* g-sercom-linux.adb:
Implement the stop bits and parity support for GNU/Linux.
Fix handling of timeout, it must be given in tenth of seconds.
* g-sercom-mingw.adb:
Implement the stop bits and parity support for Windows.
Use new s-win32.ads unit instead of declaring Win32 services
directly into this body.
Update handling of timeout as now a duration.
* s-win32.ads, s-winext.ads: New files.
From-SVN: r134003
2008-04-07 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/25829 28655
* io.c (io_tag): Add new tags for decimal, encoding, asynchronous,
round, sign, and id. (match_open_element): Match new tags.
(gfc_resolve_open): Resolve new tags. (gfc_match_open): Enable encoding
for DEFAULT only. Update error messages. (match_dt_element): Fix match
tag for asynchronous. Update error messages. (gfc_free_inquire): Free
new expressions. (match_inquire_element): Match new tags.
(gfc_match_inquire): Add constraint for ID and PENDING.
(gfc_resolve_inquire): Resolve new tags.
* trans-io.c (gfc_trans_inquire): Clean up whitespace and fix setting of
mask for ID parameter.
* ioparm.def: Fix order of parameters for pending, round, and sign.
NOTE: These must line up with the definitions in libgfortran/io/io.h. or
things don't work.
From-SVN: r133989
2008-04-07 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/25829 28655
* io/open.c (edit_modes): Set flags.async. (new_unit) Set flags.async
and flags.status. (st_open): Initialize flags.async.
* io/list_read.c (read_charactor): Use delim_status instead of
flags.delim.
* io/read.c (read_x): Use pad_status instead of flags.pad.
* io/inquire.c (inquire_via_unit): Add new checks.
(inquire_via_filename): Likewise.
* io/io.h (st_parameter_inquire): Add new flags.
(st_parameter_dt): Likewise.
* io/unit.c (get_internal_unit): Set flags.async. (init_units): Set
flags.async.
* io/transfer.c: Add delim and pad option arrays. (read_sf): Use
pad_status instead of flags.pad. (read_block): Likewise.
(data_transfer_init): Set flags.async and add checks.
* io/write.c (write_character): Use delim_status.
(list_formatted_write_scalar): Likewise. (nml_write_obj): Likewise.
(namelist_write): Likewise.
From-SVN: r133988
PR middle-end/PR28690
* rtlanal.c: Update copyright years.
(commutative_operand_precedence): Give SYMBOL_REF's the same precedence
as REG_POINTER and MEM_POINTER operands.
* emit-rtl.c (gen_reg_rtx_and_attrs): New function.
(set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
* rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
* gcse.c: Update copyright years.
(pre_delete): Call gen_reg_rtx_and_attrs.
(hoist_code): Likewise.
(build_store_vectors): Likewise.
(delete_store): Likewise.
* loop-invariant.c (move_invariant_reg): Likewise.
Update copyright years.
From-SVN: r133985
2008-04-07 Aurelien Jarno <aurelien@aurel32.net>
* s-osinte-linux-kfreebsd.ads (SC_NPROCESSORS_ONLN): New
constant constant for sysconf call.
(bit_field): New packed boolean type used by cpu_set_t.
(cpu_set_t): New type corresponding to the C type with
the same name. Note that on the Ada side we use a bit
field array for the affinity mask. There is not need
for the C macro for setting individual bit.
(pthread_setaffinity_np): New imported routine.
* Makefile.in: Use s-tasinf-linux.ads and s-tasinf-linux.adb
on GNU/kFreeBSD.
From-SVN: r133978
* fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
reference in constructor with non self-referential type.
ada/
* utils2.c (build_binary_op): Fold ARRAY_REF and ARRAY_RANGE_REF too.
From-SVN: r133977
Removal of Return with Depressed Stack Pointer support
* tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
(ECF_SP_DEPRESSED): Likewise.
(ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
* calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
(flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
(expand_call): Do not test ECF_SP_DEPRESSED.
* dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
* function.c (keep_stack_depressed): Delete.
(handle_epilogue_set): Likewise.
(update_epilogue_consts): Likewise.
(emit_equiv_load): Likewise.
(thread_prologue_and_epilogue_insns): Remove support for Return with
Depressed Stack Pointer.
* print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
ada/
* gigi.h (create_subprog_type): Remove returns_with_dsp parameter.
* decl.c (gnat_to_gnu_entity): Adjust for above new prototype.
* utils.c (create_subprog_type): Remove returns_with_dsp parameter.
* trans.c (gnat_to_gnu) <N_Return_Statement>: Remove code dealing with
Return by Depressed Stack Pointer.
From-SVN: r133976
2008-04-07 Johannes Singler <singler@ira.uka.de>
* include/parallel/multiway_merge.h:
Moved decisions to compiletime instead of runtime.
* include/parallel/losertree.h:
Removed obsolete variants, added variant that uses pointers
in the loser tree.
* include/parallel/types.h:
Remove obsolete settings options from enum.
* include/parallel/features.h:
Remove obsolete compile-time switches.
* include/parallel/compiletime_settings.h:
Remove obsolete variant that copies back *after* sorting.
* include/parallel/tags.h:
Add one new tag for compile-time switch.
* include/parallel/merge.h:
Adapt to changes in multiway_merge.h.
* include/parallel/multiway_mergesort.h:
Adapt to changes in multiway_merge.h.
Factor out splitting variants.
Remove obsolete variant that copies back *after* sorting.
* include/parallel/sort.h:
Adapt to changes in multiway_mergesort.h.
* testsuite/25_algorithms/sort/35588.cc:
Added test case from / for PR 35588.
From-SVN: r133975
2008-04-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/35400
* tree-vrp.c (vrp_evaluate_conditional): Only query value-range
information from SSA_NAMEs.
* gcc.dg/torture/pr35400.c: New testcase.
* g++.dg/torture/pr35400.C: Likewise.
From-SVN: r133967
2008-04-06 Tobias Schlter <tobi@gcc.gnu.org>
PR fortran/35832
fortran/
* io.c (io_tag): Add field 'value'. Split 'spec' field in
existing io_tags.
(match_etag, match_vtag, match_ltag): Split parsing in two steps
to give better error messages.
testsuite/
* gfortran.dg/io_constraints_2.f90: Adapt to new error message.
From-SVN: r133964
2008-04-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/35842
* tree-ssa-address.c (fixed_address_object_p): Adjust to match
is_gimple_invariant_address.
From-SVN: r133963
gcc/
* gcc.c (default_compilers): Sync Fortran extensions list with
that in fortran/lang-specs.h.
* doc/invoke.texi: Likewise.
* dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
* dwarf2out.c (gen_compile_unit_die): Likewise.
gcc/fortran/
* f95-lang.c: Set LANG_HOOKS_NAME to "GNU Fortran".
From-SVN: r133960
* dump-parse-tree.c: Use fprintf, fputs and fputc instead of
gfc_status and gfc_status_char. Remove gfc_ prefix of the gfc_show_*
functions and make them static. Add new gfc_dump_parse_tree
function.
* gfortran.h (gfc_option_t): Rename verbose into dump_parse_tree.
(gfc_status, gfc_status_char): Delete prototypes.
* error.c (gfc_status, gfc_status_char): Remove functions.
* scanner.c (gfc_new_file): Use printf instead of gfc_status.
* options.c (gfc_init_options): Rename verbose into dump_parse_tree.
(gfc_handle_module_path_options): Use gfc_fatal_error instead of
gfc_status and exit.
(gfc_handle_option): Rename verbose into dump_parse_tree.
From-SVN: r133958
* decl.c (rest_of_type_decl_compilation_no_defer): New local function
used to process all the variants of the specified type.
(gnat_to_gnu_entity): Invoke rest_of_type_decl_compilation for enumeral
types too. Call rest_of_type_decl_compilation_no_defer if undeferring.
(rest_of_type_decl_compilation): Likewise.
* utils.c (gnat_pushdecl): Propagate the name to all variants of type.
From-SVN: r133957
PR target/12329
* config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
attribute is used for nested functions.
testsuite/ChangeLog:
PR target/12329
* gcc.target/i386/pr12329.c: New test.
From-SVN: r133954
2008-04-05 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/25829 28655
* gfortran.dg/f2003_io_1.f03: New test.
* gfortran.dg/f2003_io_2.f03: New test.
* gfortran.dg/f2003_io_3.f03: New test.
* gfortran.dg/f2003_io_4.f03: New test.
* gfortran.dg/f2003_io_5.f03: New test.
* gfortran.dg/f2003_io_6.f03: New test.
* gfortran.dg/f2003_io_7.f03: New test.
From-SVN: r133945
2008-04-05 Jerry DeLisle <jvdelisle@gcc.gnu.org>
Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
PR fortran/25829 28655
* dump-parse-tree.c (gfc_show_code_node): Show new I/O parameters.
* gfortran.h (gfc_statement): Add ST_WAIT enumerator.
(gfc_open): Add pointers for decimal, encoding, round, sign,
asynchronous. (gfc_inquire): Add pointers for asynchronous, decimal,
encoding, pending, round, sign, size, id.
(gfc_wait): New typedef struct. (gfc_dt): Add pointers for id, pos,
asynchronous, blank, decimal, delim, pad, round, sign.
(gfc_exec_op): Add EXEC_WAIT enumerator. (gfc_code): Add pointer for
wait. (gfc_free_wait), (gfc_resolve_wait): New function prototypes.
* trans-stmt.h (gfc_trans_wait): New function prototype.
* trans.c (gfc_trans_code): Add case for EXEC_WAIT.
* io.c (io_tag): Add new tags for DECIMAL, ENCODING, ROUND, SIGN,
ASYCHRONOUS, ID. (match_open_element): Add matchers for new tags.
(gfc_free_open): Free new pointers. (gfc_resolve_open): Resolve new
tags. (gfc_resolve_open): Remove comment around check for allowed
values and ASYNCHRONOUS, update it. Likewise for DECIMAL, ENCODING,
ROUND, and SIGN. (match_dt_element): Add matching for new tags.
(gfc_free_wait): New function. (gfc_resolve_wait): New function.
(match_wait_element): New function. (gfc_match_wait): New function.
* resolve.c (gfc_resolve_blocks): Add case for EXEC_WAIT.
(resolve_code): Add case for EXEC_WAIT.
* st.c (gfc_free_statement): Add case for EXEC_WAIT.
* trans-io.c (ioparam_type): Add IOPARM_ptype_wait. (gfc_st_parameter):
Add "wait" entry. (iocall): Add IOCALL_WAIT enumerator.
(gfc_build_io_library_fndecls): Add function declaration for st_wait.
(gfc_trans_open): Add mask bits for new I/O tags.
(gfc_trans_inquire): Add mask bits for new I/O tags.
(gfc_trans_wait): New translation function.
(build_dt): Add mask bits for new I/O tags.
* match.c (gfc_match_if) Add matcher for "wait".
* match.h (gfc_match_wait): Prototype for new function.
* ioparm.def: Add new I/O parameter definitions.
* parse.c (decode_statement): Add match for "wait" statement.
(next_statement): Add case for ST_WAIT. (gfc_ascii_statement): Same.
Co-Authored-By: Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
From-SVN: r133944
2008-04-05 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/25829 28655
* gfortran.map: Add new symbol, _gfortran_st_wait.
* libgfortran.h (st_paramter_common): Add new I/O parameters.
* open.c (st_option decimal_opt[], st_option encoding_opt[],
st_option round_opt[], st_option sign_opt[], st_option async_opt[]): New
parameter option arrays. (edit_modes): Add checks for new parameters.
(new_unit): Likewise. (st_open): Likewise.
* list_read.c (CASE_SEPERATORS): Add ';' as a valid separator.
(eat_separator): Handle deimal comma. (read_logical): Fix whitespace.
(parse_real): Handle decimal comma. (read_real): Handle decimal comma.
* read.c (read_a): Use decimal status flag to allow comma in place of a
decimal point. (read_f): Allow comma as acceptable character in float.
According to decimal flag, substitute a period for a comma.
(read_x): If decimal status flag is comma, disable the read_comma flag,
not allowing comma as a delimiter, an extension otherwise.
* io.h: (unit_decimal, unit_encoding, unit_round, unit_sign,
unit_async): New enumerators. Add all new I/O parameters.
* unix.c (unix_stream, int_stream): Add io_mode asychronous I/O control.
(move_pos_offset, fd_alloc_w_at): Fix some whitespace.
(fd_sfree): Use new enumerator. (fd_read): Likewise.
(fd_write): Likewise. (fd_close): Fix whitespace.
(fd_open): Use new enumertors. (tempfile, regular_file,
open_external): Fix whitespace. (output_stream, error_stream): Set
method. (stream_offset): Fix whitespace.
* transfer.c: (st_option decimal_opt[], sign_opt[], blank_opt[]): New
option arrays. (formatted_transfer_scalar): Set sf_read_comma flag
based on new decimal_status flag. (data_transfer_init): Initialize new
parameters. Add checks for decimal, sign, and blank. (st_wait): New stub.
* format.c: (format_lex): Add format specifiers DP, DC, and D.
(parse_format_list): Parse the new specifiers.
* write.c (write_decimal): Use new sign enumerators to set the sign.
(write_complex): Handle decimal comma and semi-colon separator.
(nml_write_obj): Likewise.
* write_float.def: Revise sign enumerators. (calculate_sign): Use new
sign enumerators. (output_float): Likewise. Use new decimal_status flag
to set the decimal character to a point or a comma.
From-SVN: r133943
* tree-dump.c (dump_enable_all): Remove prototype; do not accept
letter argument.
(dump_files): Update.
(enable_rtl_dump_file): Do not accept letter argument.
* tree-pass.h (dump_file_info): Remove letter argument.
* toplev.c (decode_d_option): Update -da handling.
* toplev.h (enable_rtl_dump_file): Update prototype.
* passes.c (register_one_dump_file): Do not accept IPA argument; work
it out based on pass type.
(register_dump_files_1): Likewise.
(init_optimization_passes): Update register_one_dump_file calls.
(execute_one_pass): Sanity check that IPA passes are called at IPA level
and RTL passes at RTL level.
(execute_pass_list): IPA pass can not be after or subpass of
GIMPLE/RTL pass.
(execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
disallov RTL subpasses of IPA subpasses.
From-SVN: r133930
* tree-cfg.c (need_fake_edge_p): Return false for calls to
builtins that return exactly once and do not throw. Cache call to
call_expr_flags.
From-SVN: r133929
Arnaud Charlet
Eric Botcazou
Pascal Obry
James E Wilson
GCC Administrator
Jan Hubicka
Andy Hutchinson
Ian Lance Taylor
Jerry DeLisle
Jason Merrill
Aurelien Jarno
Peter Bergner
Uros Bizjak
Kenneth Zadeck
Kai Tietz
Johannes Singler
Richard Guenther
Anatoly Sokolov
Paul Thomas
Tobias Schlüter
Tobias Burnus
Francois-Xavier Coudert
Eric Botcazou
Tom G. Christensen
Ben Elliston
Naveen.H.S