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gcc/libgfortran/ChangeLog
GCC Administrator 439467e1b3 Daily bump.
2026-04-18 00:16:31 +00:00

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2026-04-17 Steven G. Kargl <kargl@gcc.gnu.org>
PR libfortran/120431
* m4/spread.m4: Fix scalar source case with ncopies < 0.
* generated/spread_c10.c: Regenerated.
* generated/spread_c16.c: Ditto.
* generated/spread_c17.c: Ditto.
* generated/spread_c4.c: Ditto.
* generated/spread_c8.c: Ditto.
* generated/spread_i1.c: Ditto.
* generated/spread_i16.c: Ditto.
* generated/spread_i2.c: Ditto.
* generated/spread_i4.c: Ditto.
* generated/spread_i8.c: Ditto.
* generated/spread_r10.c: Ditto.
* generated/spread_r16.c: Ditto.
* generated/spread_r17.c: Ditto.
* generated/spread_r4.c: Ditto.
* generated/spread_r8.c: Ditto.
2026-04-07 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/124543
* io/inquire.c (inquire_via_unit): Change the returned
encoding value to 'DEFAULT' when not specified in the OPEN
statement.
2026-04-04 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/124543
* io/inquire.c (inquire_via_unit): Adjust the logic to
treat formatted vs unformatted correctly.
2026-03-30 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/124543
* io/inquire.c (inquire_via_unit): Fix return value for
NAMED. Add check for ACTION. Fix return values for
ENCODING, PENDING, READ, WRITE, READWRITE.
(inquire_via_filename): Add checks for ACTION, DELIM,
ASYNCHRONOUS, and PENDING. Fix return value for
ENCODING.
* io/unix.c (inquire_access): Change return value from no
to unknown.
2026-03-22 Christopher Albert <albert@tugraz.at>
PR fortran/124512
* Makefile.am: Adjust the dependencies.
* Makefile.in: Regenerate.
* configure: Regenerate.
* configure.ac: Add new check.
2026-03-06 Andre Vehreschild <vehre@gcc.gnu.org>
PR libfortran/124371
* caf/shmem/supervisor.c (startWorker): Use defined(HAVE_FORK)
instead of !defined(WIN32) for preprocessor conditional.
2026-03-04 Jakub Jelinek <jakub@redhat.com>
PR libfortran/124330
* caf/shmem/shared_memory.c (shared_memory_set_env): Make buffer
used by putenv static.
(shared_memory_init): Likewise.
2026-03-04 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/124330
* caf/shmem/shared_memory.c (shared_memory_init): Use
putenv() for HPUX and as a fallback where setenv()
is not available.
2026-03-03 Mark Wielaard <mark@klomp.org>
* config.h.in: Regenerate.
* configure: Regenerate.
2026-03-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
John David Anglin <danglin@gcc.gnu.org>
PR fortran/124330
* caf/shmem/shared_memory.c: Fix filenames for WIN32
includes.
(shared_memory_set_env): Use putenv() for HPUX and as
a fallback where setenv () is not available.
(NAME_MAX): Replace with SHM_NAME_MAX.
(SHM_NAME_MAX): Use this to avoid duplicating NAME_MAX
used elsewhere.
* caf/shmem/supervisor.c (get_image_num_from_envvar): Add
a fallback for HPUX. Add additional comment to explain why
the number of cores is used in lieu of GFORTRAN_NUM_IMAGES.
2026-03-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/124286
* acinclude.m4: Remove LIBGFOR_CHECK_SANE_BUILTIN_CLZL.
* caf/shmem/allocator.c (next_power_of_two): Use known sane
builtin.
* configure: Regenerate.
* configure.ac: Remove use of LIBGFOR_CHECK_SANE_BUILTIN_CLZL.
2026-02-27 Jakub Jelinek <jakub@redhat.com>
* aclocal.m4: Regenerate.
* configure: Regenerate.
* Makefile.in: Regenerate.
2026-02-27 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/88076
* caf/shmem/supervisor.c (supervisor_main_loop): Use fprintf
instead of dprintf.
2026-02-26 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/88076
* Makefile.in: Regenerate.
* aclocal.m4: Regenerate.
* config.h.in: Regenerate.
* configure: Regenerate.
2026-02-26 Andre Vehreschild <vehre@gcc.gnu.org>
* Makefile.am: Only build caf_shmem when pthreads is available.
* configure.ac: Check for pthreads availability and needed
flags.
2026-02-26 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/124080
* caf/shmem/hashmap.c (hash): Use size_t instead of
uint64.
(hmiadd): Use size_t instead of ssize_t.
(scan_inside_lookahead): Likewise.
(scan_empty): Likewise.
2026-02-26 Andre Vehreschild <vehre@gcc.gnu.org>
PR fortran/121429
* caf/shmem.c (_gfortran_caf_deregister): Add a call to
sync_team.
2026-02-26 Andre Vehreschild <vehre@gcc.gnu.org>
PR fortran/124071
* caf/shmem.c (_gfortran_caf_form_team): Take free index, when
computed one is already taken.
2026-02-26 Andre Vehreschild <vehre@gcc.gnu.org>
PR fortran/88076
* Makefile.am: Add new library.
* Makefile.in: Regenerated
* acinclude.m4: Add check for reasonable clzl.
* config.h.in: Regenerate.
* configure: Regenerate.
* configure.ac: Call clzl check.
2026-02-26 Andre Vehreschild <vehre@gcc.gnu.org>
* caf/shmem.c (_gfortran_caf_finalize): Add a sync on the
initial team on exit.
2026-02-26 Andre Vehreschild <vehre@gcc.gnu.org>
* caf/shmem.c (_gfortran_caf_finalize): Ensure all memory is
freeed.
* caf/shmem/allocator.c (allocator_shared_malloc): Just assert
that an index is within its bounds.
* caf/shmem/shared_memory.c (shared_memory_init): When shared
memory can not be placed at desired address, exit the image with
a certain code to let the supervisor restart the image.
(shared_memory_cleanup): Only the supervisor must unlink the shm
object.
* caf/shmem/supervisor.c (GFORTRAN_ENV_IMAGE_RESTARTS_LIMITS):
New environment variable.
(get_image_restarts_limit): Get the limit on image restarts
(accumulates over all) form the environment variable or default
to 4000.
(ensure_shmem_initialization): Add error handling.
(startWorker): Start a single worker/image.
(kill_all_images): Kill all images.
(supervisor_main_loop): When a worker/image reports a shared
memory issue just try to restart it.
* caf/shmem/thread_support.c (initialize_shared_mutex): Mark
mutex robust on plattforms that support it.
(initialize_shared_errorcheck_mutex): Same.
2026-02-26 Andre Vehreschild <vehre@gcc.gnu.org>
* caf/shmem.c (_gfortran_caf_init): Cleanup thread helper after
use.
(_gfortran_caf_finalize): Same.
(_gfortran_caf_register): Handle lock_t correctly on Windows.
(GEN_OP): Prevent warnings on non-initialized.
(_gfortran_caf_lock): Handle lock_t correctly on Windows.
(_gfortran_caf_unlock): Same.
(_gfortran_caf_random_init): Fix formatting.
(_gfortran_caf_form_team): Add more images to counter_barrier.
* caf/shmem/alloc.c: Use routines from thread_support.
* caf/shmem/allocator.c (allocator_lock): Same.
(allocator_unlock): Same.
* caf/shmem/allocator.h: Same.
* caf/shmem/collective_subroutine.c (get_collsub_buf): Same.
* caf/shmem/collective_subroutine.h: Same.
* caf/shmem/counter_barrier.c (lock_counter_barrier): Same.
(unlock_counter_barrier): Same.
(counter_barrier_init): Same.
(counter_barrier_wait): Same.
(change_internal_barrier_count): Same.
(counter_barrier_add): Same.
(counter_barrier_init_add): Only increase value w/o signaling.
(counter_barrier_get_count): Use routines from thread_support.
* caf/shmem/counter_barrier.h: Same.
(counter_barrier_init_add): New routine.
* caf/shmem/shared_memory.c: Use windows routines where
applicable.
(shared_memory_set_env): Same.
(shared_memory_get_master): Same.
(shared_memory_init): Same.
(shared_memory_cleanup): Same.
* caf/shmem/shared_memory.h: Use types from thread_support.
* caf/shmem/supervisor.c: Use windows routines where applicable.
(get_memory_size_from_envvar): Same.
(ensure_shmem_initialization): Same.
(supervisor_main_loop): Use windows process start on windows
without fork().
* caf/shmem/supervisor.h: Use types from thread_support.
* caf/shmem/sync.c (lock_table): Use routines from thread_support.
(unlock_table): Same.
(sync_init): Same.
(sync_init_supervisor): Same.
(sync_table): Same.
(lock_event): Same.
(unlock_event): Same.
(event_post): Same.
(event_wait): Same.
* caf/shmem/sync.h: Use types from thread_support.
* caf/shmem/teams_mgmt.c (update_teams_images): Use routines from
thread_support.
* caf/shmem/thread_support.c: Add synchronisation primitives for
windows.
(smax): Windows only: Max for size_t.
(get_handle): Windows only: Get the windows handle for a given
id or create a new one, if it does not exist.
(get_mutex): Windows only: Shortcut for getting a windows mutex
handle.
(get_condvar): Windows only: Same, but for condition variable.
(thread_support_init_supervisor): Windows only: Clear tracker of
allocated handle ids.
(caf_shmem_mutex_lock): Windows only: Implememtation of lock,
(caf_shmem_mutex_trylock): Windows only: trylock, and
(caf_shmem_mutex_unlock): Windows only: unlock for Windows.
(bm_is_set): Windows only: Check a bit is set in a mask.
(bm_clear_bit): Windows only: Clear a bit in a mask.
(bm_set_mask): Windows only: Set all bits in a mask.
(bm_is_none): Windows only: Check if all bits are cleared.
(caf_shmem_cond_wait): Windows only: Condition variable
implemenation fro wait,
(caf_shmem_cond_broadcast): Windows only: broadcast, and
(caf_shmem_cond_signal): Windows only: signal on Windows.
(caf_shmem_cond_update_count): Windows only: Need to know the
images participating in a condition variable.
(thread_support_cleanup): Windows only: Clean up the handles on
exit.
* caf/shmem/thread_support.h: Conditionally compile the types
as required for Windows and other OSes.
2026-02-26 Andre Vehreschild <vehre@gcc.gnu.org>
* caf/shmem/allocator.c (next_power_of_two): Use sane clzl
implementation or alternative.
2026-02-26 Andre Vehreschild <vehre@gcc.gnu.org>
PR fortran/88076
* caf/libcaf.h (LIBCAF_H): Remove unused header inclusions.
* caf/caf_error.c: New file.
* caf/caf_error.h: New file.
* caf/shmem.c: New file.
* caf/shmem/alloc.c: New file.
* caf/shmem/alloc.h: New file.
* caf/shmem/allocator.c: New file.
* caf/shmem/allocator.h: New file.
* caf/shmem/collective_subroutine.c: New file.
* caf/shmem/collective_subroutine.h: New file.
* caf/shmem/counter_barrier.c: New file.
* caf/shmem/counter_barrier.h: New file.
* caf/shmem/hashmap.c: New file.
* caf/shmem/hashmap.h: New file.
* caf/shmem/shared_memory.c: New file.
* caf/shmem/shared_memory.h: New file.
* caf/shmem/supervisor.c: New file.
* caf/shmem/supervisor.h: New file.
* caf/shmem/sync.c: New file.
* caf/shmem/sync.h: New file.
* caf/shmem/teams_mgmt.c: New file.
* caf/shmem/teams_mgmt.h: New file.
* caf/shmem/thread_support.c: New file.
* caf/shmem/thread_support.h: New file.
2026-02-26 Andre Vehreschild <vehre@gcc.gnu.org>
* caf/libcaf.h (_gfortran_caf_failed_images): Team attribute is
used now in some libs.
(_gfortran_caf_image_status): Same.
(_gfortran_caf_stopped_images): Same.
* caf/single.c (caf_internal_error): Use correct printf function
to handle va_list.
2026-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/123012
* io/list_read.c (read_character): Add new check after
get_string and provide better comments.
2026-01-11 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/123012
* io/list_read.c (read_character): Add new check when no
quate is provided and the character string is digits only.
2026-01-09 Thomas Koenig <tkoenig@gcc.gnu.org>
* io/io.h: Change type of self to intptr_t.
* io/async.h (LOCK_UNIT): Cast __gthread_self () to intptr_t.
(TRYLOCK_UNIT): Likewise.
(OWN_THREAD_ID): Likewise.
2026-01-08 Thomas Koenig <tkoenig@gcc.gnu.org>
* io/async.h: DEBUG_ASYNC needs gtreads support.
(LOCK_UNIT): Only lock when there is pthreads support and it is active.
Otherwise, just set unit->self to 1.
(UNLOCK_UNIT): Only unlock when there is pthreads support and it is active.
Otherwise, just set unit->self to 0.
(TRYLOCK_UNIT): Only try locking when thee is pthreads support and it is
active. Otherwise, return unit->self.
(OWN_THREAD_ID): New macro.
* io/io.h: gfc_unit's self is an int when there is no gthreads support.
* io/unit.c (check_for_recursive): Check for equality of unit which
locked to OWN_THREAD_ID.
2026-01-06 Thomas Koenig <tkoenig@gcc.gnu.org>
* io/async.h (UNLOCK_UNIT): New macro.
(TRYLOCK_UNIT): New macro.
(LOCK_UNIT): New macro.
* io/io.h: Delete prototype for unused stash_internal_unit.
(check_for_recursive): Add prototype for this new function.
* io/transfer.c (data_transfer_init): Add call to new
check_for_recursive.
* io/unit.c (delete_unit): Fix comment.
(check_for_recursive): Add new function.
(init_units): Use new macros.
(close_unit_1): Likewise.
(unlock_unit): Likewise.
* io/unix.c (flush_all_units_1): Likewise.
(flush_all_units): Likewise.
* runtime/error.c (translate_error): : Add translation for
"Recursive I/O not allowed runtime error message.
2026-01-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
Revert:
2026-01-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/119136
* io/io.h: Delete prototype for unused stash_internal_unit.
(check_for_recursive): Add prototype for this new function.
* io/transfer.c (data_transfer_init): Add call to new
check_for_recursive.
* io/unit.c (delete_unit): Fix comment.
(check_for_recursive): Add new function.
* runtime/error.c (translate_error): Add translation for
"Recursive I/O not allowed runtime error message.
2026-01-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/119136
* io/io.h: Delete prototype for unused stash_internal_unit.
(check_for_recursive): Add prototype for this new function.
* io/transfer.c (data_transfer_init): Add call to new
check_for_recursive.
* io/unit.c (delete_unit): Fix comment.
(check_for_recursive): Add new function.
* runtime/error.c (translate_error): Add translation for
"Recursive I/O not allowed runtime error message.
Copyright (C) 2026 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
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