Commit Graph

1329 Commits

Author SHA1 Message Date
Janne Blomqvist c20fdb917f Set close-on-exec flag when opening files.
2013-11-10  Janne Blomqvist  <jb@gcc.gnu.org>

	* configure.ac: Check presence of mkostemp.
	* io/unix.c (set_close_on_exec): New function.
	(tempfile_open): Use mkostemp and O_CLOEXEC if available, fallback
	to calling set_close_on_exec.
	(regular_file): Add O_CLOEXEC to flags if defined.
	(open_external): Call set_close_on_exec if O_CLOEXEC is not
	defined.
	* config.h.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
	* aclocal.m4: Regenerated.

From-SVN: r204654
2013-11-10 22:34:29 +02:00
Tobias Burnus 7902928918 re PR fortran/55469 (memory leak on read with istat.ne.0)
2013-10-01  Tobias Burnus  <burnus@net-b.de>

        PR fortran/55469
        * io/list_read (parse_repeat, read_integer, read_character,
        parse_real, read_real, check_type, list_formatted_read_scalar,
        finish_list_read): Call list_free.

From-SVN: r203086
2013-10-01 22:52:49 +02:00
Alan Modra 3cbe17f7de libtool.m4 (_LT_ENABLE_LOCK <ld -m flags>): Remove non-canonical ppc host match.
* libtool.m4 (_LT_ENABLE_LOCK <ld -m flags>): Remove non-canonical
	ppc host match.  Support little-endian powerpc linux hosts.
Regenerate configure throughout.

From-SVN: r202773
2013-09-20 19:17:52 +09:30
Uros Bizjak d7172355ef fpu-387.h (get_fpu_rounding_mode): Read rounding mode from SSE mxcsr register on x86_64.
* config/fpu-387.h (get_fpu_rounding_mode): Read rounding mode
	from SSE mxcsr register on x86_64.

From-SVN: r201161
2013-07-23 11:45:30 +02:00
Ondřej Bílka 9b110be230 trans-decl.c: Fix comment typos.
2013-07-21   Ondřej Bílka  <neleai@seznam.cz>

        * trans-decl.c: Fix comment typos.
        * trans-expr.c: Ditto.

2013-07-21   Ondřej Bílka  <neleai@seznam.cz>

        * io/transfer.c: Fix comment typos.

From-SVN: r201107
2013-07-21 19:57:23 +02:00
Tobias Burnus 5b70b3e44b re PR libfortran/35862 ([F2003] Implement new rounding modes for run time)
2013-07-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/35862
        * config/fpu-387.h (set_fpu_rounding_mode,
        get_fpu_rounding_mode): Add missing _ to fix build.

From-SVN: r201095
2013-07-21 17:16:21 +02:00
Tobias Burnus 82a4f54cc5 re PR libfortran/35862 ([F2003] Implement new rounding modes for run time)
2013-07-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/35862
        * libgfortran.h (GFC_FPE_DOWNWARD, GFC_FPE_TONEAREST,
        GFC_FPE_TOWARDZERO, GFC_FPE_UPWARD): New defines.

2013-07-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/35862
        * libgfortran.h (set_fpu_rounding_mode,
        get_fpu_rounding_mode): New prototypes.
        * config/fpu-387.h (set_fpu_rounding_mode,
        get_fpu_rounding_mode): New functions.
        * config/fpu-aix.h (set_fpu_rounding_mode,
        get_fpu_rounding_mode): Ditto.
        * config/fpu-generic.h (set_fpu_rounding_mode,
        get_fpu_rounding_mode): Ditto.
        * config/fpu-glibc.h (set_fpu_rounding_mode,
        get_fpu_rounding_mode): Ditto.
        * config/fpu-sysv.h (set_fpu_rounding_mode,
        get_fpu_rounding_mode): Ditto.
        * configure.ac: Check for fp_rnd and fp_rnd_t.
        * io/io.h (enum unit_round): Use GFC_FPE_* for the value.
        * io/read.c (convert_real): Set FP ronding mode.
        * Makefile.in: Regenerate.
        * aclocal.m4: Regenerate.
        * config.h.in: Regenerate.
        * configure: Regenerate.

2013-07-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/35862
        * gfortran.dg/round_4.f90: New.


Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>

From-SVN: r201093
2013-07-21 13:54:27 +02:00
Steve Ellcey b4005c71a2 configure.ac (AC_CHECK_FUNCS_ONCE): Put into if statement.
2013-06-24  Steve Ellcey  <sellcey@mips.com>

	* configure.ac (AC_CHECK_FUNCS_ONCE): Put into if statement.
	* configure: Regenerate.

From-SVN: r200374
2013-06-24 15:24:19 +00:00
Tobias Burnus 7ae346c340 configure.ac: Check for fp_except and fp_except_t.
2013-06-24  Tobias Burnus  <burnus@net-b.de>

        * configure.ac: Check for fp_except and fp_except_t.
        * config/fpu-sysv.h: Conditionally use either type.
        * configure: Regenerate.
        * config.h.in: Regenerate.

From-SVN: r200360
2013-06-24 10:34:05 +02:00
Eric Botcazou a58219532c * config/fpu-sysv.h (get_fpu_except_flags): Fix typo.
From-SVN: r200298
2013-06-21 13:16:57 +00:00
Uros Bizjak a839e8d5a0 * ChangeLog: Add some missing lines.
From-SVN: r200256
2013-06-20 19:11:51 +02:00
Uros Bizjak 86c2f4b761 fpu-387.h (_FPU_MASK_ALL): New.
* config/fpu-387.h (_FPU_MASK_ALL): New.
	(_FPU_EX_ALL): Ditto.
	(set_fpu): Use fstcw to store x87 FPU control word. Use fnclex to
	clear stalled exception flags.  Correctly clear stalled SSE
	exception flags.  Simplify code.
	(get_fpu_except_flags): Simplify code.

From-SVN: r200255
2013-06-20 19:08:51 +02:00
Tobias Burnus 937424c182 re PR fortran/57633 (I/O: Problem with formatted read: reading CR-LF files (\r\n))
2013-06-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/57633
        * io/list_read.c (next_char, eat_separator): Don't set EOL for \r.

2013-06-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/57633
        * gfortran.dg/list_read_11.f90: New.

From-SVN: r200238
2013-06-20 12:55:03 +02:00
Uros Bizjak e8e694715e fpu-387.h: Use __asm__ and __volatile__ consistently.
* config/fpu-387.h: Use __asm__ and __volatile__ consistently.
	(get_fpu_except_flags): Initialize result.

From-SVN: r200187
2013-06-19 08:38:16 +02:00
Tobias Burnus fa86f4f917 gfortran.h (gfc_option_t): Add fpe_summary.
2013-06-17  Tobias Burnus  <burnus@net-b.de>

        * gfortran.h (gfc_option_t): Add fpe_summary.
        * gfortran.texi (_gfortran_set_options): Update.
        * invoke.texi (-ffpe-summary): Add doc.
        * lang.opt (ffpe-summary): Add flag.
        * options.c (gfc_init_options, gfc_handle_option): Handle it.
        (gfc_handle_fpe_option): Renamed from gfc_handle_fpe_trap_option,
        also handle fpe_summary.
        * trans-decl.c (create_main_function): Update
        _gfortran_set_options call.

2013-06-17  Tobias Burnus  <burnus@net-b.de>

        * libgfortran.h (compile_options_t) Add fpe_summary.
        (get_fpu_except_flags): New prototype.
        * runtime/compile_options.c (set_options, init_compile_options):
        Handle fpe_summary.
        * runtime/stop.c (report_exception): New function.
        (stop_numeric, stop_numeric_f08, stop_string, error_stop_string,
        error_stop_numeric): Call it.
        * config/fpu-387.h (get_fpu_except_flags): New function.
        * config/fpu-aix.h (get_fpu_except_flags): New function.
        * config/fpu-generic.h (get_fpu_except_flags): New function.
        * config/fpu-glibc.h (get_fpu_except_flags): New function.
        * config/fpu-glibc.h (get_fpu_except_flags): New function.
        * configure.ac: Check for fpxcp.h.
        * configure: Regenerate.
        * config.h.in: Regenerate.

From-SVN: r200147
2013-06-17 09:48:21 +02:00
Tobias Burnus c2b2130c71 re PR libfortran/57496 (I/O: WRITE(*,*) HUGE(0._10) gives SIGFPE with -ffpe-trap=overflow)
2013-06-01  Tobias Burnus  <burnus@net-b.de>

        PR fortran/57496
        * io/write_float.def (ISFINITE2Q, ISFINITE2, ISFINITE2L,
        * ISFINITE,
        SIGNBIT2Q, SIGNBIT2, SIGNBIT2L, SIGNBIT, ISNAN2Q, ISNAN2,
        ISNAN2L, ISNAN): New macros.
        (output_float_FMT_G_,WRITE_FLOAT): Use them.

From-SVN: r199598
2013-06-03 11:20:46 +02:00
Rainer Orth 828012a527 Use -z ignore instead of --as-needed on Solaris
* acinclude.m4 (libgfor_cv_have_as_needed): Check for -z ignore, too.
	* configure: Regenerate.

From-SVN: r199285
2013-05-24 09:23:33 +00:00
David Edelsohn 13c4975c2d libcaf.h (_gfortran_caf_critical): Add a prototype.
* caf/libcaf.h (_gfortran_caf_critical): Add a prototype.
        (_gfortran_caf_end_critical): Same.

From-SVN: r198613
2013-05-05 19:47:22 -04:00
David Edelsohn 19f0e98f58 environ.c: Include unistd.h.
* runtime/environ.c: Include unistd.h.
        * runtime/pause.c: Test HAVE_UNISTD_H.
        * runtime/stop.c: Same.
        * io/open.c: Same.
        * io/unix.c: Same.
        * io/read.c (si_max): Protect declaration of value.

From-SVN: r198603
2013-05-04 17:23:11 -04:00
Janne Blomqvist 96cc0ef46b Simplify SYSTEM_CLOCK implementation.
2013-04-29  Janne Blomqvist  <jb@gcc.gnu.org>

        * intrinsics/system_clock (gf_gettime_mono): Use variable
        resolution for fractional seconds argument.
        (system_clock_4): Simplify, update for gf_gettime_mono change.
        (system_clock_8): Likewise.

From-SVN: r198391
2013-04-29 11:43:18 +03:00
Janne Blomqvist c033f5ae32 PR 56981 Improve unbuffered performance on special files.
2013-04-29  Janne Blomqvist  <jb@gcc.gnu.org>

        PR fortran/56981
        * io/transfer.c (next_record_w_unf): First fix head marker, then
        write tail.
        (next_record): Call flush_if_unbuffered.
        * io/unix.c (struct unix_stream): Add field unbuffered.
        (flush_if_unbuffered): New function.
        (fd_to_stream): New argument.
        (open_external): Fix fd_to_stream call.
        (input_stream): Likewise.
        (output_stream): Likewise.
        (error_stream): Likewise.
        * io/unix.h (flush_if_unbuffered): New prototype.

From-SVN: r198390
2013-04-29 11:42:00 +03:00
Janne Blomqvist a2f7b4ad34 Fix sign error in SYSTEM_CLOCK kind=4 Windows version.
2013-04-28  Janne Blomqvist  <jb@gcc.gnu.org>

	* intrinsics/system_clock.c (system_clock_4): Fix sign error in
	Windows version.

From-SVN: r198378
2013-04-28 21:16:25 +03:00
Tobias Burnus 95bd9622ab list_read.c (finish_separator): Initialize variable.
2013-04-15  Tobias Burnus  <burnus@net-b.de>

        * list_read.c (finish_separator): Initialize variable.

From-SVN: r197969
2013-04-15 14:45:06 +02:00
Janne Blomqvist 83584eab1b PR 56919 Improve SYSTEM_CLOCK intrinsic on Windows.
frontend ChangeLog:

2013-04-15  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/56919
	* intrinsics.texi (SYSTEM_CLOCK): Update documentation.


libgfortran ChangeLog:

2013-04-15  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/56919
	* intrinsics/time_1.h: Check __CYGWIN__ in addition to
	__MINGW32__.
	* intrinsics/system_clock.c (GF_CLOCK_MONOTONIC): Check
	_POSIX_MONOTONIC_CLOCK as well.
	(system_clock_4): Use GetTickCount on Windows.
	(system_clock_8): Use QueryPerformanceCounter and
	QueryPerformanceCounterFrequency on Windows.

From-SVN: r197968
2013-04-15 15:43:15 +03:00
Tobias Burnus 71879a86ef re PR libfortran/56810 (record-repeat fails kind check on complex read)
2013-04-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/56810
        * io/list_read.c (check_type): Fix kind checking for COMPLEX.

2013-04-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/56810
        * gfortran.dg/read_repeat_2.f90: New.

From-SVN: r197479
2013-04-04 13:24:15 +02:00
Jerry DeLisle ba82932537 re PR fortran/56660 (Fails to read NAMELIST with certain form array syntax)
2013-04-01  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/56660
	* io/list_read.c (nml_read_obj): Do not reset the read error flag
	inside nml_read_obj. If the read error flag is found set just exit.
	Fix some whitespace on comments.
	(nml_read_obj_data): Reset the read error flag before the first call
	to nml_read_object.

From-SVN: r197321
2013-04-01 20:30:41 +00:00
Jerry DeLisle 83437e6709 re PR libfortran/56786 (Namelist read fails with designators containing embedded spaces)
2013-03-31  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/56786
	* io/list_read.c (nml_parse_qualifier): Remove spurious next_char call
	when checking for EOF. Use error return mechanism when EOF detected.
	Do not return false unless parse_err_msg and parse_err_msg_size have
	been set. Use hit_eof.
	(nml_get_obj_data): Likewise use the correct error mechanism.
	* io/transfer.c (hit_eof): Do not set AFTER_ENDFILE if in namelist
	mode.

From-SVN: r197290
2013-03-31 20:32:33 +00:00
Tobias Burnus 357aee9210 re PR libfortran/56737 (Wrong I/O result with format cache for Hollerith strings)
2012-03-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/56737
        * io/format.c (parse_format_list): Also cache FMT_STRING.
        (parse_format): Update call.

From-SVN: r197230
2013-03-29 10:39:47 +01:00
Tobias Burnus d80b9b4777 re PR libfortran/56737 (Wrong I/O result with format cache for Hollerith strings)
2013-03-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/56737
        * io/format.c (parse_format): With caching, copy
        dtp->format string.
        (save_parsed_format): Use dtp->format directy without
        copying.

2013-03-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/56737
        * testsuite/gfortran.dg/fmt_cache_3.f90: New.

(Plus: Move fortran/ChangeLog item to libgfortran/ChangeLog)

From-SVN: r197229
2013-03-29 10:37:37 +01:00
Tobias Burnus a0b012be6a re PR fortran/56735 (Namelist Read Error with question marks)
2013-03-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/56735
        * io/list_read.c (nml_query): Only abort when
        an error occured.
        (namelist_read): Add goto instead of falling through.

2013-03-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/56735
        * gfortran.dg/namelist_80.f90: New.

From-SVN: r197228
2013-03-29 10:32:57 +01:00
Tilo Schwarz 6f6fafc9ef re PR fortran/52512 (Cannot match namelist object name)
2013-03-25  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/52512
        * io/list_read.c (nml_parse_qualifier): To check for a derived type
        don't use the namelist head element type but the current element type.
        (nml_get_obj_data): Add current namelist element type to
        nml_parse_qualifier call.

2013-03-25  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/52512
        * gfortran.dg/namelist_79.f90: New.

From-SVN: r197061
2013-03-25 20:11:20 +00:00
Tobias Burnus a73421c460 re PR libfortran/56696 (Formatted (list-directed) input fails to signal end of record)
2013-03-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/56696
        * io/list_read.c (read_real): Fix EOF diagnostic.

2013-03-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/56696
        * gfortran.dg/eof_5.f90: New.

From-SVN: r197019
2013-03-24 11:16:33 +01:00
Tilo Schwarz a0b67fe26f re PR fortran/51825 (Fortran runtime error: Cannot match namelist object name)
2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/51825
        * io/list_read.c (nml_read_obj): Don't end the component loop on
        a nested derived type, but continue with the next loop iteration.
        (nml_get_obj_data): Don't move the first_nl pointer further in
        the list if a qualifier was found.

2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/51825
        * gcc/testsuite/gfortran.dg/namelist_77.f90: New.
        * gcc/testsuite/gfortran.dg/namelist_78.f90: New.

From-SVN: r196806
2013-03-20 08:56:02 +01:00
Tilo Schwarz 09c7dc636d re PR libfortran/48618 (Negative unit number in OPEN(...) is sometimes allowed)
2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/48618
        * io/open.c (st_open): Raise error for unit number < 0 only if
        unit number does not exist already.

2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/48618
        * gfortran.dg/open_negative_unit_1.f90: New.

From-SVN: r196805
2013-03-20 08:45:49 +01:00
Janne Blomqvist f5e3ed2d42 Use C99 bool instead of enum try.
2013-03-19  Janne Blomqvist  <jb@gcc.gnu.org>

	* libgfortran.h: Include stdbool.h.
	(enum try): Remove.
	(notify_std): Change return type to bool.
	* intrinsics/chmod.c: Don't include stdbool.h.
	* intrinsics/execute_command_line.c: Likewise.
	* io/format.c: Likewise.
	* io/list_read.c (nml_parse_qualifier): Change return type to bool.
	(nml_read_obj): Likewise.
	(nml_get_obj_data): Likewise.
	* io/transfer.c (read_block_form): Fix comment.
	(write_buf): Change return type to bool.
	* io/write.c: Don't include stdbool.h.
	* io/write_float.def (output_float): Change return type to bool.
	(output_float_FMT_G_ ## x): Change type of result variable.
	* runtime/error.c (notify_std): Change return type to bool.

From-SVN: r196791
2013-03-19 13:13:32 +02:00
Tobias Burnus 43b594b4c2 transfer.c (read_block_direct): Correct condition.
2013-03-11  Tobias Burnus  <burnus@net-b.de>

        * io/transfer.c (read_block_direct): Correct condition.
        * intrinsics/execute_command_line.c (execute_command_line):
        Remove dead code for the HAVE_FORK case.

From-SVN: r196603
2013-03-11 19:55:18 +01:00
Janne Blomqvist 68aab0e225 Fix regression when writing formatted sequential to a pipe.
2013-02-21  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/30162
	* io/open.c (test_endfile): Call stell only if size != 0.
	* io/unix.c (raw_tell): Revert r194679.
	(raw_size): Return size field only for regular files, otherwise 0.

From-SVN: r196210
2013-02-21 21:03:10 +02:00
John David Anglin 406defcb58 re PR target/56347 (FAIL: gfortran.dg/integer_exponentiation_2.f90 -O2 execution test)
PR target/56347
	* acinclude.m4 (LIBGFOR_CHECK_FOR_BROKEN_POWF): Remove check for
	broken powf.
	* configure.ac (LIBGFOR_CHECK_FOR_BROKEN_POWF): Likewise.
	* intrinsics/c99_functions.c: Likewise.
	* configure: Rebuilt.
	* config.h.in: Rebuilt.

From-SVN: r196139
2013-02-19 14:01:40 +00:00
Janus Weil c362c6741d re PR fortran/55978 (class_optional_2.f90 -Os fails)
2013-02-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55978
	* runtime/in_pack_generic.c (internal_pack): Return if base_addr is
	NULL.

2013-02-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55978
	* gfortran.dg/class_optional_2.f90: Uncomment some cases which work now.

From-SVN: r195814
2013-02-06 20:39:35 +01:00
Janne Blomqvist facb23dc4e Improve performance of byte-swapped I/O.
2013-01-23  Janne Blomqvist  <jb@gcc.gnu.org>

	* io/file_pos.c (unformatted_backspace): Use __builtin_bswapXX
	instead of reverse_memcpy.
	* io/io.h (reverse_memcpy): Remove prototype.
	* io/transfer.c (reverse_memcpy): Make static, move towards
	beginning of file.
	(bswap_array): New function.
	(unformatted_read): Use bswap_array to byte swap the data
	in-place.
	(unformatted_write): Use a larger temp buffer and bswap_array.
	(us_read): Use __builtin_bswapXX instead of reverse_memcpy.
	(write_us_marker): Likewise.

From-SVN: r195413
2013-01-23 23:56:54 +02:00
Richard Sandiford e3c063ceda Update copyright years in libgfortran.
From-SVN: r195167
2013-01-14 18:20:58 +00:00
Tobias Burnus 9d1818902c re PR fortran/54678 (second call to get_environment_variable gives valgrind warning with 8-byte integers)
2013-01-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/54678
        * intrinsics/env.c (get_environment_variable_i8): Don't use
        uninitialized variable.

From-SVN: r194948
2013-01-06 13:43:45 +01:00
Jakub Jelinek 86a2db336a ChangeLog rotation.
From-SVN: r194840
2013-01-03 10:47:48 +01:00
Jerry DeLisle cc1863452c re PR fortran/55818 (Reading a REAL from a file which doesn't end in a new line fails)
2013-01-02  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/55818
	* io/list_read.c (read_real): Do not call hit_eof when EOF can be
	treated as a value separator.
	(parse_real): Likewise.
	(read_logical): Likewise.
	(read_character): Likewise.
	(read_complex): Likewise.

From-SVN: r194809
2013-01-02 17:09:09 +00:00
Jerry DeLisle 797332eda9 re PR fortran/48976 (INQUIRE with STREAM= not supported)
2012-12-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/48976
	* io/inquire.c (inquire_via_unit): Set user stream inquiry variable to
	appropriate value based on unit access method. (inquire_via_filename):
	Since filename is not associated with an open unit, set stream inquiry
	to UNKNOWN.
	* io/io.h: Define inquire stream parameters.

From-SVN: r194733
2012-12-27 18:07:33 +00:00
Jerry DeLisle 4e766b5d40 re PR libfortran/48960 (OPEN statement modifies NEWUNIT variable on error)
2012-12-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/48960
	* io/open.c (st_parameter_open):  Assign newunit number to user
	variable only if the the associated open statement is successful.

From-SVN: r194724
2012-12-26 18:11:42 +00:00
Janne Blomqvist eb3119f90f PR fortran/55539 Fix regression in -fno-sign-zero.
libgfortran ChangeLog:

2012-12-26  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/55539
	* io/write_float.def (output_float): Take into account decimal dot.

testsuite ChangeLog:

2012-12-26  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/55539
	* gfortran.dg/nosigned_zero_3.f90: New testcase.

From-SVN: r194717
2012-12-26 00:11:16 +02:00
Thomas Koenig a0edd35cf6 re PR libfortran/30162 (Document when sequential I/O with named pipes works)
2012-12-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/30162
	* io/unix.c (raw_tell):  If the lseek is done on a
	non-seekable file, return 0.

From-SVN: r194679
2012-12-21 20:50:48 +00:00
Janus Weil f0f67c96c3 re PR libfortran/36044 (user-requested backtrace)
2012-12-20  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36044
	* gfortran.h (gfc_isym_id): Add GFC_ISYM_BACKTRACE.
	* intrinsic.c (add_subroutines): Add "backtrace".
	* intrinsic.texi (BACKTRACE): Document BACKTRACE intrinsic.


2012-12-20  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36044
	* gfortran.map: Add _gfortran_backtrace.
	* libgfortran.h: Rename 'show_backtrace' and export.
	* runtime/backtrace.c (show_backtrace): Rename to 'backtrace'.
	Don't show message. Close file descriptor. Export.
	* runtime/compile_options.c (backtrace_handler): Renamed
	'show_backtrace'. Move message outside.
	* runtime/error.c (sys_abort): Ditto.

From-SVN: r194648
2012-12-20 19:15:13 +01:00
Paul Thomas 8b7043164f array.c (resolve_array_list): Apply C4106.
2012-12-19  Paul Thomas  <pault@gcc.gnu.org>

	* array.c (resolve_array_list): Apply C4106.
	* check.c (gfc_check_same_type_as): Exclude polymorphic
	entities from check for extensible types. Improved error
	for disallowed argument types to name the offending type.
	* class.c : Update copyright date.
	(gfc_class_null_initializer): Add argument for initialization
	expression and deal with unlimited polymorphic typespecs.
	(get_unique_type_string): Give unlimited polymorphic
	entities a type string.
	(gfc_intrinsic_hash_value): New function.
	(gfc_build_class_symbol): Incorporate unlimited polymorphic
	entities.
	(gfc_find_derived_vtab): Deal with unlimited polymorphic
	entities.
	(gfc_find_intrinsic_vtab): New function.
	* decl.c (gfc_match_decl_type_spec): Match typespec for
	unlimited polymorphic type.
	(gfc_match_data_decl): Skip to 'ok' if unlimited polymorphic.
	expr.c (gfc_check_pointer_assign): Apply C717.  If unlimited
	polymorphic lvalue, find rvalue vtable for all typespecs,
	except unlimited polymorphic expressions.
	(gfc_check_vardef_context): Handle unlimited polymorphic
	entities.
	* gfortran.h : Add unlimited polymorphic attribute. Add
	second arg to gfc_class_null_initializer primitive and
	primitive for gfc_find_intrinsic_vtab.  Add UNLIMITED_POLY
	to detect unlimited polymorphic expressions.
	* interface.c (gfc_compare_types): If expr1 is unlimited
	polymorphic, always return 1. If expr2 is unlimited polymorphic
	enforce C717.
	(gfc_compare_interfaces): Skip past conditions that do not
	apply for unlimited polymorphic entities.
	(compare_parameter): Make sure that an unlimited polymorphic,
	allocatable or pointer, formal argument is matched by an
	unlimited polymorphic actual argument.
	(compare_actual_formal): Ensure that an intrinsic vtable exists
	to match an unlimited polymorphic formal argument.
	* match.c (gfc_match_allocate): Type kind parameter does not
	need to match an unlimited polymorphic allocate-object.
	(alloc_opt_list): An unlimited polymorphic allocate-object
	requires a typespec or a SOURCE tag.
	(select_intrinsic_set_tmp): New function.
	(select_type_set_tmp): Call new function.  If it returns NULL,
	build a derived type or class temporary instead.
	(gfc_match_type_is): Remove restriction to derived types only.
	Bind(C) or sequence derived types not permitted.
	* misc (gfc_typename):  Printed CLASS(*) for unlimited
	polymorphism.
	* module.c : Add AB_UNLIMITED_POLY to pass unlimited
	polymorphic attribute to and from modules.
	* resolve.c (resolve_common_vars): Unlimited polymorphic
	entities cannot appear in common blocks.
	(resolve_deallocate_expr): Deallocate unlimited polymorphic
	enities.
	(resolve_allocate_expr): Likewise for allocation.  Make sure
	vtable exists.
	(gfc_type_is_extensible): Unlimited polymorphic entities are
	not extensible.
	(resolve_select_type): Handle unlimited polymorphic selectors.
	Ensure that length type parameters are assumed and that names
	for intrinsic types are generated.
	(resolve_fl_var_and_proc): Exclude select type temporaries
	from test of extensibility of type.
	(resolve_fl_variable): Likewise for test that assumed character
	length must be a dummy or a parameter.
	(resolve_fl_derived0): Return SUCCESS unconditionally for
	unlimited polymorphic entities. Also, allow unlimited
	polymorphic components.
	(resolve_fl_derived): Return SUCCESS unconditionally for
	unlimited polymorphic entities.
	(resolve_symbol): Return early with unlimited polymorphic
	entities.
	* simplifiy.c : Update copyright year.
	(gfc_simplify_extends_type_of): No simplification possible
	for unlimited polymorphic arguments.
	* symbol.c (gfc_use_derived): Nothing to do for unlimited
	polymorphic "derived type".
	(gfc_type_compatible): Return unity if ts1 is unlimited
	polymorphic.
	* trans-decl.c (create_function_arglist) Formal arguments
	without a character length should be treated in the same way
	as passed lengths.
	(gfc_trans_deferred_vars): Nullify the vptr of unlimited
	polymorphic pointers. Avoid unlimited polymorphic entities
	triggering gcc_unreachable.
	* trans-expr.c (gfc_conv_intrinsic_to_class): New function.
	(gfc_trans_class_init_assign): Make indirect reference of
	src.expr.
	(gfc_trans_class_assign): Expression NULL of unknown type
	should set NULL vptr on lhs. Treat C717 cases where lhs is
	a derived type and the rhs is unlimited polymorphic.
	(gfc_conv_procedure_call): Handle the conversion of a non-class
	actual argument to match an unlimited polymorphic formal
	argument.  Suppress the passing of a character string length
	in this case.  Make sure that calls to the character __copy
	function have two character string length arguments.
	(gfc_conv_initializer): Pass the initialization expression to
	gfc_class_null_initializer.
	(gfc_trans_subcomponent_assign): Ditto.
	(gfc_conv_structure): Move handling of _size component.
	trans-intrinsic.c: (gfc_conv_same_type_as): Handle conditions
	where unlimited polymorphic arguments have null vptr.
	* trans-stmt.c (trans_associate_var): Correctly treat array
	temporaries associated with unlimited polymorphic selectors.
	Recover the overwritten dtype for the descriptor. Use the _size
	field of the vptr for character string lengths.
	(gfc_trans_allocate): Cope with unlimited polymorphic allocate
	objects; especially with character source tags.
	(reset_vptr): New function.
	(gfc_trans_deallocate): Call it.
	* trans-types.c (gfc_get_derived_type): Detect unlimited
	polymorphic types and deal with cases where the derived type of
	components is null.
	* trans.c : Update copyright year.
	(trans_code): Call gfc_trans_class_assign for C717 cases where
	the lhs is not unlimited polymorphic.

2012-12-19  Paul Thomas  <pault@gcc.gnu.org>

	* intrinsics/extends_type_of.c : Return correct results for
	null vptrs.

2012-12-19  Paul Thomas  <pault@gcc.gnu.org>

	* gfortran.dg/unlimited_polymorphic_1.f03: New test.
	* gfortran.dg/unlimited_polymorphic_2.f03: New test.
	* gfortran.dg/unlimited_polymorphic_3.f03: New test.
	* gfortran.dg/same_type_as.f03: Correct for improved message.

From-SVN: r194622
2012-12-20 00:15:00 +00:00