ChangeLog

2008-06-27  Jakub Jelinek  <jakub@redhat.com>

	PR debug/36617
	* testsuite/libgomp.c/debug-1.c: New test.

2008-06-19  Jakub Jelinek  <jakub@redhat.com>

	* testsuite/libgomp.c/nqueens-1.c: New test.

	PR c++/36523
	* testsuite/libgomp.c++/task-7.C: New function.

2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure: Regenerate.

2008-06-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* env.c (initialize_env): Always initialize gomp_remaining_threads_lock
	mutex when HAVE_SYNC_BUILTINS isn't defined.

2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* libgomp.texi (omp_test_lock): Fix typo.

2008-06-12  Tobias Burnus  <burnus@net-b.de>

	* omp_lib.f90.in: Add "implicit none".

2008-06-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/36506
	* testsuite/libgomp.c/reduction-5.c: New test.

2008-06-11  Jakub Jelinek  <jakub@redhat.com>

	* libgomp.h (struct gomp_task): Add in_tied_task field.
	* task.c (gomp_init_task): Initialize it.
	(GOMP_task): Likewise.  Call gomp_team_barrier_set_task_pending
	unconditionally.  Don't call gomp_team_barrier_wake if
	current task is implicit or if(0) from implicit and number of
	running tasks is equal to nthreads - 1.

	PR libgomp/36471
	* omp_lib.f90.in (omp_get_ancestor_thread_num_8,
	omp_get_team_size_8): Fix pastos.

	PR libgomp/36469
	* configure.ac: Add AC_CHECK_FUNCS (strtoull).
	* configure: Regenerated.
	* config.h.in: Regenerated.
	* env.c (strtoull): Define to strtoul if HAVE_STRTOULL is not
	defined.

2008-06-06  Andreas Tobler  <a.tobler@schweiz.org>

	PR bootstrap/36452
	* loop_ull.c (GOMP_loop_ull_static_start): Adjust API.
	(GOMP_loop_ull_dynamic_start): Likewise.
	(GOMP_loop_ull_guided_start): Likewise.
	(GOMP_loop_ull_ordered_static_start): Likewise.
	(GOMP_loop_ull_ordered_dynamic_start): Likewise.
	(GOMP_loop_ull_ordered_guided_start): Likewise.

2008-06-06  Jakub Jelinek  <jakub@redhat.com>
	    Richard Henderson  <rth@redhat.com>
	    Ulrich Drepper  <drepper@redhat.com>
	    Jakob Blomer  <jakob.blomer@ira.uka.de>

	* configure.ac (LIBGOMP_GNU_SYMBOL_VERSIONING): New AC_DEFINE.
	Substitute also OMP_*LOCK_25*.
	* configure: Regenerated.
	* config.h.in: Regenerated.
	* Makefile.am (libgomp_la_SOURCES): Add loop_ull.c, iter_ull.c,
	ptrlock.c and task.c.
	* Makefile.in: Regenerated.
	* testsuite/Makefile.in: Regenerated.
	* task.c: New file.
	* loop_ull.c: New file.
	* iter_ull.c: New file.
	* libgomp.h: Include ptrlock.h.
	(enum gomp_task_kind): New type.
	(struct gomp_team): Add task_lock, task_queue, task_count,
	task_running_count, single_count fields.  Add
	work_share_list_free_lock ifndef HAVE_SYNC_BUILTINS.
	Remove work_share_lock, generation_mask,
	oldest_live_gen, num_live_gen and init_work_shares fields, add
	work work_share_list_alloc, work_share_list_free and work_share_chunk
	fields.  Change work_shares from pointer to pointers into an array.
	Change ordered_release field into gomp_sem_t ** from flexible array
	member.  Add implicit_task and initial_work_shares fields.
	Move close to the end of the struct.
	(struct gomp_team_state): Add single_count, last_work_share,
	active_level and level fields, remove work_share_generation.
	(gomp_barrier_handle_tasks): New prototype.
	(gomp_finish_task): New inline function.
	(struct gomp_work_share): Move chunk_size, end, incr into
	transparent union/struct, add chunk_size_ull, end_ll, incr_ll and
	next_ll fields.  Reshuffle fields.  Add next_alloc,
	next_ws, next_free and inline_ordered_team_ids fields, change
	ordered_team_ids into pointer from flexible array member.
	Add mode field.  Put lock and next into a different cache line
	from most of the write-once fields.
	(gomp_iter_ull_static_next, gomp_iter_ull_dynamic_next_locked,
	gomp_iter_ull_guided_next_locked, gomp_iter_ull_dynamic_next,
	gomp_iter_ull_guided_next): New prototypes.
	(gomp_new_icv): New prototype.
	(struct gomp_thread): Add thread_pool and task fields.
	(struct gomp_thread_pool): New type.
	(gomp_new_team): New prototype.
	(gomp_team_start): Change type of last argument.
	(gomp_new_work_share): Removed.
	(gomp_init_work_share, gomp_fini_work_share): New prototypes.
	(gomp_work_share_init_done): New static inline.
	(gomp_throttled_spin_count_var, gomp_available_cpus,
	gomp_managed_threads): New extern decls.
	(gomp_init_task): New prototype.
	(gomp_spin_count_var): New extern var decl.
	(LIBGOMP_GNU_SYMBOL_VERSIONING): Undef if no visibility
	or no alias support, or if not PIC.
	(gomp_init_lock_30, gomp_destroy_lock_30, gomp_set_lock_30,
	gomp_unset_lock_30, gomp_test_lock_30, gomp_init_nest_lock_30,
	gomp_destroy_nest_lock_30, gomp_set_nest_lock_30,
	gomp_unset_nest_lock_30, gomp_test_nest_lock_30, gomp_init_lock_25,
	gomp_destroy_lock_25, gomp_set_lock_25, gomp_unset_lock_25,
	gomp_test_lock_25, gomp_init_nest_lock_25, gomp_destroy_nest_lock_25,
	gomp_set_nest_lock_25, gomp_unset_nest_lock_25,
	gomp_test_nest_lock_25): New prototypes.
	(omp_lock_symver, strong_alias): Define.
	(gomp_remaining_threads_count, gomp_remaining_threads_lock): New
	decls.
	(gomp_end_task): New.
	(struct gomp_task_icv, gomp_global_icv): New.
	(gomp_thread_limit_var, gomp_max_active_levels_var): New.
	(struct gomp_task): New.
	(gomp_nthreads_var, gomp_dyn_var, gomp_nest_var,
	gomp_run_sched_var, gomp_run_sched_chunk): Remove.
	(gomp_icv): New.
	(gomp_schedule_type): Reorder enum to match
	omp_sched_t.
	* team.c (struct gomp_thread_start_data): Add thread_pool and task
	fields.
	(gomp_thread_start): Add gomp_team_barrier_wait call.
	For non-nested case remove clearing of docked thread thr fields.
	Use pool fields instead of global gomp_* variables.  Use
	gomp_barrier_wait_last when needed.  Initialize ts.active_level.
	Create tasks for each member thread.
	(free_team): Only destroy team barrier, task_lock here and free it.
	(gomp_free_thread): Free last_team if non-NULL.
	(gomp_team_end): Call gomp_team_barrier_wait instead of
	gomp_barrier_wait.  For nested case call one extra
	gomp_barrier_wait.  Move here some destruction from free_team.
	Call free_team on pool->last_team if any, rather than freeing
	current team.  Destroy work_share_list_free_lock ifndef
	HAVE_SYNC_BUILTINS.
	(gomp_new_icv): New function.
	(gomp_threads, gomp_threads_size, gomp_threads_used,
	gomp_threads_dock): Removed.
	(gomp_thread_destructor): New variable.
	(gomp_new_thread_pool, gomp_free_pool_helper, gomp_free_thread): New
	functions.
	(gomp_team_start): Create new pool if current thread doesn't have
	one.  Use pool fields instead of global gomp_* variables. 
	Initialize thread_pool field for new threads.  Clear single_count.
	Change last argument from ws to team, don't create
	new team, set ts.work_share to &team->work_shares[0] and clear
	ts.last_work_share.  Don't clear ts.work_share_generation.
	If number of threads changed, adjust atomically gomp_managed_threads.
	Use gomp_init_task instead of gomp_new_task,
	set thr->task to the corresponding implicit_task array entry.
	Create tasks for each member thread.  Initialize ts.level.
	(initialize_team): Call pthread_key_create on
	gomp_thread_destructor.
	(team_destructor): New function.
	(new_team): Removed.
	(gomp_new_team): New function.
	(free_team): Free gomp_work_share blocks chained through next_alloc,
	instead of freeing work_shares and destroying work_share_lock.
	(gomp_team_end): Call gomp_fini_work_share.  If number of threads
	changed, adjust atomically gomp_managed_threads.  Use gomp_end_task.
	* barrier.c (GOMP_barrier): Call gomp_team_barrier_wait instead
	of gomp_barrier_wait.
	* single.c (GOMP_single_copy_start): Call gomp_team_barrier_wait
	instead of gomp_barrier_wait.  Call gomp_work_share_init_done
	if gomp_work_share_start returned true.  Don't unlock ws->lock.
	(GOMP_single_copy_end): Call gomp_team_barrier_wait instead
	of gomp_barrier_wait.
	(GOMP_single_start): Rewritten if HAVE_SYNC_BUILTINS.  Call
	gomp_work_share_init_done if gomp_work_share_start returned true.
	Don't unlock ws->lock.
	* work.c: Include stddef.h.
	(free_work_share): Use work_share_list_free_lock instead
	of atomic chaining ifndef HAVE_SYNC_BUILTINS.  Add team argument.
	Call gomp_fini_work_share and then either free ws if orphaned, or
	put it into work_share_list_free list of the current team.
	(alloc_work_share, gomp_init_work_share, gomp_fini_work_share): New
	functions.
	(gomp_work_share_start, gomp_work_share_end,
	gomp_work_share_end_nowait): Rewritten.
	* omp_lib.f90.in Change some tabs to spaces to prevent warnings.
	(openmp_version): Set to 200805.
	(omp_sched_kind, omp_sched_static, omp_sched_dynamic,
	omp_sched_guided, omp_sched_auto): New parameters.
	(omp_set_schedule, omp_get_schedule, omp_get_thread_limit,
	omp_set_max_active_levels, omp_get_max_active_levels,
	omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size,
	omp_get_active_level): New interfaces.
	* omp_lib.h.in (openmp_version): Set to 200805.
	(omp_sched_kind, omp_sched_static, omp_sched_dynamic,
	omp_sched_guided, omp_sched_auto): New parameters.
	(omp_set_schedule, omp_get_schedule, omp_get_thread_limit,
	omp_set_max_active_levels, omp_get_max_active_levels,
	omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size,
	omp_get_active_level): New externals.
	* loop.c: Include limits.h.
	(GOMP_loop_runtime_next, GOMP_loop_ordered_runtime_next): Handle
	GFS_AUTO.
	(GOMP_loop_runtime_start, GOMP_loop_ordered_runtime_start):
	Likewise.  Use gomp_icv.
	(gomp_loop_static_start, gomp_loop_dynamic_start): Clear
	ts.static_trip here.
	(gomp_loop_static_start, gomp_loop_ordered_static_start): Call
	gomp_work_share_init_done after gomp_loop_init.  Don't unlock ws->lock.
	(gomp_loop_dynamic_start, gomp_loop_guided_start): Call
	gomp_work_share_init_done after gomp_loop_init.  If HAVE_SYNC_BUILTINS,
	don't unlock ws->lock, otherwise lock it.
	(gomp_loop_ordered_dynamic_start, gomp_loop_ordered_guided_start): Call
	gomp_work_share_init_done after gomp_loop_init.  Lock ws->lock.
	(gomp_parallel_loop_start): Call gomp_new_team instead of
	gomp_new_work_share.  Call gomp_loop_init on &team->work_shares[0].
	Adjust gomp_team_start caller.  Pass 0 as second argument to
	gomp_resolve_num_threads.
	(gomp_loop_init): For GFS_DYNAMIC, multiply ws->chunk_size by incr.
	If adding ws->chunk_size nthreads + 1 times after end won't
	overflow, set ws->mode to 1.
	* libgomp_g.h (GOMP_loop_ull_static_start, GOMP_loop_ull_dynamic_start,
	GOMP_loop_ull_guided_start, GOMP_loop_ull_runtime_start,
	GOMP_loop_ull_ordered_static_start,
	GOMP_loop_ull_ordered_dynamic_start,
	GOMP_loop_ull_ordered_guided_start,
	GOMP_loop_ull_ordered_runtime_start, GOMP_loop_ull_static_next,
	GOMP_loop_ull_dynamic_next, GOMP_loop_ull_guided_next,
	GOMP_loop_ull_runtime_next, GOMP_loop_ull_ordered_static_next,
	GOMP_loop_ull_ordered_dynamic_next, GOMP_loop_ull_ordered_guided_next,
	GOMP_loop_ull_ordered_runtime_next, GOMP_task, GOMP_taskwait): New
	prototypes.
	* libgomp.map: Export lock routines also @@OMP_2.0.
	(GOMP_loop_ordered_dynamic_first,
	GOMP_loop_ordered_guided_first, GOMP_loop_ordered_runtime_first,
	GOMP_loop_ordered_static_first): Remove.
	(GOMP_loop_ull_dynamic_next, GOMP_loop_ull_dynamic_start,
	GOMP_loop_ull_guided_next, GOMP_loop_ull_guided_start,
	GOMP_loop_ull_ordered_dynamic_next,
	GOMP_loop_ull_ordered_dynamic_start,
	GOMP_loop_ull_ordered_guided_next,
	GOMP_loop_ull_ordered_guided_start,
	GOMP_loop_ull_ordered_runtime_next,
	GOMP_loop_ull_ordered_runtime_start,
	GOMP_loop_ull_ordered_static_next,
	GOMP_loop_ull_ordered_static_start,
	GOMP_loop_ull_runtime_next, GOMP_loop_ull_runtime_start,
	GOMP_loop_ull_static_next, GOMP_loop_ull_static_start,
	GOMP_task, GOMP_taskwait): Export @@GOMP_2.0.
	(omp_set_schedule, omp_get_schedule,
	omp_get_thread_limit, omp_set_max_active_levels,
	omp_get_max_active_levels, omp_get_level,
	omp_get_ancestor_thread_num, omp_get_team_size, omp_get_active_level,
	omp_set_schedule_, omp_set_schedule_8_,
	omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_,
	omp_set_max_active_levels_, omp_set_max_active_levels_8_,
	omp_get_max_active_levels_, omp_get_level_,
	omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_,
	omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_):
	New exports @@OMP_3.0.
	* omp.h.in (omp_sched_t): New type.
	(omp_set_schedule, omp_get_schedule, omp_get_thread_limit,
	omp_set_max_active_levels, omp_get_max_active_levels,
	omp_get_level, omp_get_ancestor_thread_num, omp_get_team_size,
	omp_get_active_level): New prototypes.
	* env.c (gomp_spin_count_var, gomp_throttled_spin_count_var,
	gomp_available_cpus, gomp_managed_threads, gomp_max_active_levels_var,
	gomp_thread_limit_var, gomp_remaining_threads_count,
	gomp_remaining_threads_lock): New variables.
	(parse_spincount): New function.
	(initialize_env): Call gomp_init_num_threads unconditionally.
	Initialize gomp_available_cpus.  Call parse_spincount,
	initialize gomp_{,throttled_}spin_count_var
	depending on presence and value of OMP_WAIT_POLICY and
	GOMP_SPINCOUNT env vars.  Handle GOMP_BLOCKTIME env var.
	Handle OMP_WAIT_POLICY, OMP_MAX_ACTIVE_LEVELS,
	OMP_THREAD_LIMIT, OMP_STACKSIZE env vars.  Handle unit specification
	for GOMP_STACKSIZE.  Initialize gomp_remaining_threads_count and
	gomp_remaining_threads_lock if needed.  Use gomp_global_icv.
	(gomp_nthreads_var, gomp_dyn_var, gomp_nest_var,
	gomp_run_sched_var, gomp_run_sched_chunk): Remove.
	(gomp_global_icv): New.
	(parse_schedule): Use it.  Parse "auto".
	(omp_set_num_threads): Use gomp_icv.
	(omp_set_dynamic, omp_get_dynamic, omp_set_nested, omp_get_nested):
	Likewise.
	(omp_get_max_threads): Move from parallel.c.
	(omp_set_schedule, omp_get_schedule, omp_get_thread_limit,
	omp_set_max_active_levels, omp_get_max_active_levels): New functions,
	add ialias.
	(parse_stacksize, parse_wait_policy): New functions.
	* fortran.c: Rewrite lock wrappers, if symbol versioning provide
	both wrappers for compatibility and new locks.
	(omp_set_schedule, omp_get_schedule,
	omp_get_thread_limit, omp_set_max_active_levels,
	omp_get_max_active_levels, omp_get_level,
	omp_get_ancestor_thread_num, omp_get_team_size,
	omp_get_active_level): New ialias_redirect.
	(omp_set_schedule_, omp_set_schedule_8_,
	omp_get_schedule_, omp_get_schedule_8_, omp_get_thread_limit_,
	omp_set_max_active_levels_, omp_set_max_active_levels_8_,
	omp_get_max_active_levels_, omp_get_level_,
	omp_get_ancestor_thread_num_, omp_get_ancestor_thread_num_8_,
	omp_get_team_size_, omp_get_team_size_8_, omp_get_active_level_):
	New functions.
	* parallel.c: Include limits.h.
	(gomp_resolve_num_threads): Add count argument.  Rewritten.
	(GOMP_parallel_start): Call gomp_new_team and pass that as last
	argument to gomp_team_start.  Pass 0 as second argument to
	gomp_resolve_num_threads.
	(GOMP_parallel_end): Decrease gomp_remaining_threads_count
	if gomp_thread_limit_var != ULONG_MAX.
	(omp_in_parallel): Implement using ts.active_level.
	(omp_get_max_threads): Move to env.c.
	(omp_get_level, omp_get_ancestor_thread_num,
	omp_get_team_size, omp_get_active_level): New functions,
	add ialias.
	* sections.c (GOMP_sections_start): Call gomp_work_share_init_done
	after gomp_sections_init.  If HAVE_SYNC_BUILTINS, call
	gomp_iter_dynamic_next instead of the _locked variant and don't take
	lock around it, otherwise acquire it before calling
	gomp_iter_dynamic_next_locked.
	(GOMP_sections_next): If HAVE_SYNC_BUILTINS, call
	gomp_iter_dynamic_next instead of the _locked variant and don't take
	lock around it.
	(GOMP_parallel_sections_start): Call gomp_new_team instead of
	gomp_new_work_share.  Call gomp_sections_init on &team->work_shares[0].
	Adjust gomp_team_start caller.  Pass count as second argument to
	gomp_resolve_num_threads, don't adjust num_threads after the call.
	Use gomp_icv.
	* iter.c (gomp_iter_dynamic_next_locked): Don't multiply
	ws->chunk_size by incr.
	(gomp_iter_dynamic_next): Likewise.  If ws->mode, use more efficient
	code.
	* libgomp_f.h.in (omp_lock_25_arg_t, omp_nest_lock_25_arg_t): New
	types.
	(omp_lock_25_arg, omp_nest_lock_25_arg): New macros.
	(omp_check_defines): Check even the compat defines.
	* config/linux/ptrlock.c: New file.
	* config/linux/ptrlock.h: New file.
	* config/linux/wait.h: New file.
	* config/posix/ptrlock.c: New file.
	* config/posix/ptrlock.h: New file.
	* config/linux/bar.h (gomp_team_barrier_wait,
	gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes.
	(gomp_team_barrier_set_task_pending,
	gomp_team_barrier_clear_task_pending,
	gomp_team_barrier_set_waiting_for_tasks,
	gomp_team_barrier_waiting_for_tasks,
	gomp_team_barrier_done): New inlines.
	(gomp_barrier_t): Rewritten.
	(gomp_barrier_state_t): New typedef.
	(gomp_barrier_init, gomp_barrier_reinit, gomp_barrier_destroy,
	gomp_barrier_wait_start): Rewritten.
	(gomp_barrier_wait_end): Change second argument to
	gomp_barrier_state_t.
	(gomp_barrier_last_thread, gomp_barrier_wait_last): New static
	inlines.
	* config/linux/bar.c: Include wait.h instead of libgomp.h and
	futex.h.
	(gomp_barrier_wait_end): Rewritten.
	(gomp_team_barrier_wait, gomp_team_barrier_wait_end,
	gomp_team_barrier_wake, gomp_barrier_wait_last): New functions.
	* config/posix/bar.h (gomp_barrier_t): Add generation field.
	(gomp_barrier_state_t): New typedef.
	(gomp_team_barrier_wait,
	gomp_team_barrier_wait_end, gomp_team_barrier_wake): New prototypes.
	(gomp_barrier_wait_start): Or all but low 2 bits from generation
	into the return value.  Return gomp_barrier_state_t.
	(gomp_team_barrier_set_task_pending,
	gomp_team_barrier_clear_task_pending,
	gomp_team_barrier_set_waiting_for_tasks,
	gomp_team_barrier_waiting_for_tasks,
	gomp_team_barrier_done): New inlines.
	(gomp_barrier_wait_end): Change second argument to
	gomp_barrier_state_t.
	(gomp_barrier_last_thread, gomp_barrier_wait_last): New static
	inlines.
	* config/posix/bar.c (gomp_barrier_init): Clear generation field.
	(gomp_barrier_wait_end): Change second argument to
	gomp_barrier_state_t. 
	(gomp_team_barrier_wait, gomp_team_barrier_wait_end,
	gomp_team_barrier_wake): New functions.
	* config/linux/mutex.c: Include wait.h instead of libgomp.h and
	futex.h.
	(gomp_futex_wake, gomp_futex_wait): New variables.
	(gomp_mutex_lock_slow): Call do_wait instead of futex_wait.
	* config/linux/lock.c: Rewrite to make locks task owned,
	for backwards compatibility provide the old entrypoints
	if symbol versioning.  Include wait.h instead of libgomp.h and
	futex.h.
	(gomp_set_nest_lock_25): Call do_wait instead of futex_wait.
	* config/posix95/lock.c: Rewrite to make locks task owned,
	for backwards compatibility provide the old entrypoints
	if symbol versioning.
	* config/posix/lock.c: Rewrite to make locks task owned,
	for backwards compatibility provide the old entrypoints
	if symbol versioning.
	* config/linux/proc.c (gomp_init_num_threads): Use gomp_global_icv.
	(get_num_procs, gomp_dynamic_max_threads): Use gomp_icv.
	* config/posix/proc.c, config/mingw32/proc.c: Similarly.
	* config/linux/powerpc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
	(sys_futex0): Return error code.
	(futex_wake, futex_wait): If ENOSYS was returned, clear
	FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
	(cpu_relax, atomic_write_barrier): New static inlines.
	* config/linux/alpha/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
	(futex_wake, futex_wait): If ENOSYS was returned, clear
	FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
	(cpu_relax, atomic_write_barrier): New static inlines.
	* config/linux/x86/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
	(sys_futex0): Return error code.
	(futex_wake, futex_wait): If ENOSYS was returned, clear
	FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
	(cpu_relax, atomic_write_barrier): New static inlines.
	* config/linux/s390/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
	(sys_futex0): Return error code.
	(futex_wake, futex_wait): If ENOSYS was returned, clear
	FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
	(cpu_relax, atomic_write_barrier): New static inlines.
	* config/linux/ia64/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
	(sys_futex0): Return error code.
	(futex_wake, futex_wait): If ENOSYS was returned, clear
	FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
	(cpu_relax, atomic_write_barrier): New static inlines.
	* config/linux/sparc/futex.h (FUTEX_WAIT, FUTEX_WAKE): Remove.
	(sys_futex0): Return error code.
	(futex_wake, futex_wait): If ENOSYS was returned, clear
	FUTEX_PRIVATE_FLAG in gomp_futex_wa{ke,it} and retry.
	(cpu_relax, atomic_write_barrier): New static inlines.
	* config/linux/sem.c: Include wait.h instead of libgomp.h and
	futex.h.
	(gomp_sem_wait_slow): Call do_wait instead of futex_wait.
	* config/linux/affinity.c: Assume HAVE_SYNC_BUILTINS.
	* config/linux/omp-lock.h (omp_lock_25_t, omp_nest_lock_25_t): New
	types.
	(omp_nest_lock_t): Change owner into void *, add lock field.
	* config/posix95/omp-lock.h: Include semaphore.h.
	(omp_lock_25_t, omp_nest_lock_25_t): New types.
	(omp_lock_t): Use sem_t instead of mutex if semaphores
	aren't broken.
	(omp_nest_lock_t): Likewise.  Change owner to void *.
	* config/posix/omp-lock.h: Include semaphore.h.
	(omp_lock_25_t, omp_nest_lock_25_t): New types.
	(omp_lock_t): Use sem_t instead of mutex if semaphores
	aren't broken.
	(omp_nest_lock_t): Likewise.  Add owner field.

2008-06-06  Jakub Jelinek  <jakub@redhat.com>

	* testsuite/libgomp.c/collapse-1.c: New test.
	* testsuite/libgomp.c/collapse-2.c: New test.
	* testsuite/libgomp.c/collapse-3.c: New test.
	* testsuite/libgomp.c/icv-1.c: New test.
	* testsuite/libgomp.c/icv-2.c: New test.
	* testsuite/libgomp.c/lib-2.c: New test.
	* testsuite/libgomp.c/lock-1.c: New test.
	* testsuite/libgomp.c/lock-2.c: New test.
	* testsuite/libgomp.c/lock-3.c: New test.
	* testsuite/libgomp.c/loop-4.c: New test.
	* testsuite/libgomp.c/loop-5.c: New test.
	* testsuite/libgomp.c/loop-6.c: New test.
	* testsuite/libgomp.c/loop-7.c: New test.
	* testsuite/libgomp.c/loop-8.c: New test.
	* testsuite/libgomp.c/loop-9.c: New test.
	* testsuite/libgomp.c/nested-3.c: New test.
	* testsuite/libgomp.c/nestedfn-6.c: New test.
	* testsuite/libgomp.c/sort-1.c: New test.
	* testsuite/libgomp.c/task-1.c: New test.
	* testsuite/libgomp.c/task-2.c: New test.
	* testsuite/libgomp.c/task-3.c: New test.
	* testsuite/libgomp.c/task-4.c: New test.
	* testsuite/libgomp.c++/c++.exp: Add libstdc++-v3 build includes
	to C++ testsuite default compiler options.
	* testsuite/libgomp.c++/collapse-1.C: New test.
	* testsuite/libgomp.c++/collapse-2.C: New test.
	* testsuite/libgomp.c++/ctor-10.C: New test.
	* testsuite/libgomp.c++/for-1.C: New test.
	* testsuite/libgomp.c++/for-2.C: New test.
	* testsuite/libgomp.c++/for-3.C: New test.
	* testsuite/libgomp.c++/for-4.C: New test.
	* testsuite/libgomp.c++/for-5.C: New test.
	* testsuite/libgomp.c++/loop-8.C: New test.
	* testsuite/libgomp.c++/loop-9.C: New test.
	* testsuite/libgomp.c++/loop-10.C: New test.
	* testsuite/libgomp.c++/task-1.C: New test.
	* testsuite/libgomp.c++/task-2.C: New test.
	* testsuite/libgomp.c++/task-3.C: New test.
	* testsuite/libgomp.c++/task-4.C: New test.
	* testsuite/libgomp.c++/task-5.C: New test.
	* testsuite/libgomp.c++/task-6.C: New test.
	* testsuite/libgomp.fortran/allocatable1.f90: New test.
	* testsuite/libgomp.fortran/allocatable2.f90: New test.
	* testsuite/libgomp.fortran/allocatable3.f90: New test.
	* testsuite/libgomp.fortran/allocatable4.f90: New test.
	* testsuite/libgomp.fortran/collapse1.f90: New test.
	* testsuite/libgomp.fortran/collapse2.f90: New test.
	* testsuite/libgomp.fortran/collapse3.f90: New test.
	* testsuite/libgomp.fortran/collapse4.f90: New test.
	* testsuite/libgomp.fortran/lastprivate1.f90: New test.
	* testsuite/libgomp.fortran/lastprivate2.f90: New test.
	* testsuite/libgomp.fortran/lib4.f90: New test.
	* testsuite/libgomp.fortran/lock-1.f90: New test.
	* testsuite/libgomp.fortran/lock-2.f90: New test.
	* testsuite/libgomp.fortran/nested1.f90: New test.
	* testsuite/libgomp.fortran/nestedfn4.f90: New test.
	* testsuite/libgomp.fortran/strassen.f90: New test.
	* testsuite/libgomp.fortran/tabs1.f90: New test.
	* testsuite/libgomp.fortran/tabs2.f: New test.
	* testsuite/libgomp.fortran/task1.f90: New test.
	* testsuite/libgomp.fortran/task2.f90: New test.
	* testsuite/libgomp.fortran/vla4.f90: Add dg-warning.
	* testsuite/libgomp.fortran/vla5.f90: Likewise.
	* testsuite/libgomp.c/pr26943-2.c: Likewise.
	* testsuite/libgomp.c/pr26943-3.c: Likewise.
	* testsuite/libgomp.c/pr26943-4.c: Likewise.

2008-05-23  Jakub Jelinek  <jakub@redhat.com>

	PR c++/36308
	* testsuite/libgomp.c++/ctor-11.C: New test.
	* testsuite/libgomp.c++/ctor-12.C: New test.

2008-05-15  Janis Johnson  <janis187@us.ibm.com>

	* testsuite/lib/libgomp.exp: Load torture-options.exp from gcc lib.

2008-05-07  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/36106
	* testsuite/libgomp.c/atomic-5.c: New test.
	* testsuite/libgomp.c/atomic-6.c: New test.
	* testsuite/libgomp.c/autopar-1.c: New test.

2008-04-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* acinclude.m4 (LIBGOMP_CHECK_SYNC_BUILTINS)
	(LIBGOMP_CHECK_ATTRIBUTE_VISIBILITY)
	(LIBGOMP_CHECK_ATTRIBUTE_DLLEXPORT)
	(LIBGOMP_CHECK_ATTRIBUTE_ALIAS): Fix cache variable names.
	* configure: Regenerate.
	* Makefile.in, testsuite/Makefile.in: Likewise.

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

2008-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35611
	* testsuite/libgomp.c/atomic-4.c: New test.

	PR libgomp/35625
	* iter.c (gomp_iter_guided_next_locked): If q > n, set end to ws->end.
	(gomp_iter_guided_next): Likewise.
	* testsuite/libgomp.c/pr35625.c: New test.

2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* aclocal.m4: Regenerate.
	* configure: Likewise.
	* Makefile.in: Likewise.
	* testsuite/Makefile.in: Likewise.

2008-03-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35185
	* testsuite/libgomp.c++/pr35185.C: New test.

2008-03-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35549
	* testsuite/libgomp.c/pr35549.c: New test.

2008-03-06  Jakub Jelinek  <jakub@redhat.com>

	* testsuite/libgomp.c/atomic-3.c: New test.

2008-03-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/33197
	* testsuite/libgomp.fortran/fortran.exp: Add .f08 and
	.F08 file suffixes.

2008-03-03  Peter O'Gorman  <pogma@thewrittenword.com>

	PR libgomp/33131
	* configure.ac: Add ACX_HEADER_STRING.
	* env.c: Include strings.h.
	* aclocal.m4: Regenerate.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35196
	* testsuite/libgomp.c/pr35196.c: New test.

	PR middle-end/35130
	* testsuite/libgomp.fortran/pr35130.f90: New test.
	* testsuite/libgomp.c/pr35130.c: New test.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/33880
	* testsuite/libgomp.c/pr33880.c: New test.
	* testsuite/libgomp.fortran/pr33880.f90: New test.

2008-01-24  David Edelsohn  <edelsohn@gnu.org>

	* configure: Regenerate.

2008-01-08  Jakub Jelinek  <jakub@redhat.com>

	* configure.ac: Move futex checking into ../config/futex.m4.
	* configure: Rebuilt.
	* aclocal.m4: Rebuilt.
	* Makefile.in: Rebuilt.

	* configure.tgt: Rename have_tls to gcc_cv_have_tls to match
	2007-10-15 ../config/tls.m4 change.

2007-12-19  Jakub Jelinek  <jakub@redhat.com>

	PR c++/34513
	* testsuite/libgomp.c/pr34513.c: New test.
	* testsuite/libgomp.c++/pr34513.C: New test.

2007-12-17  Jack Howarth  <howarth@bromo.med.uc.edu>

	PR target/32765
	* testsuite/libgomp.fortran/crayptr2.f90: Move dg-options for darwin.

2007-12-04  Jakub Jelinek  <jakub@redhat.com>

	* omp.h.in (__GOMP_NOTHROW): Define.  Use it on omp_* prototypes.

2007-12-03  Jakub Jelinek  <jakub@redhat.com>

	* testsuite/libgomp.c/private-1.c: New test.

2007-11-29  Andris Pavenis <andris.pavenis@iki.fi>
	    Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.am: Use space as vpath separator.  Use 'vpath %'
	instead of 'VPATH ='.
	* Makefile.in: Regenerate.

2007-11-23  Matthias Klose  <doko@ubuntu.com>

	* configure.ac: Adjust makeinfo version check.
	* configure: Regenerate.

2007-11-10  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/34020
	* testsuite/libgomp.fortran/pr34020.f90: New test.

2007-11-06  Jakub Jelinek  <jakub@redhat.com>

	PR c++/33894
	* testsuite/libgomp.c++/atomic-1.C: New test.

2007-10-25  Jakub Jelinek  <jakub@redhat.com>

	PR libgomp/33275
	* testsuite/libgomp.fortran/omp_parse3.f90 (test_threadprivate):
	Make x and y integers rather than (implicit) reals.  Add private (j)
	clause to the last omp parallel.

2007-10-15  Maciej W. Rozycki  <macro@linux-mips.org>

	* configure: Regenerate following changes to ../config/tls.m4.

2007-09-28  Jakub Jelinek  <jakub@redhat.com>

	* testsuite/libgomp.fortran/stack.f90: New test.

2007-09-10  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/mingw32/proc.c: New file.

2007-09-05  Uros Bizjak  <ubizjak@gmail.com>

	* testsuite/libgomp.c/atomic-1.c: Include cpuid.h for i386 targets.
	(main): Use __get_cpuid to get i386 target fetaures.
	* testsuite/libgomp.c/atomic-2.c: Include cpuid.h for x86_64 targets.
	(main): Use __get_cpuid to get x86_64 target fetaures.

2007-08-15  Jack Howarth  <howarth@bromo.med.uc.edu>

	PR target/32765
	* testsuite/libgomp.fortran/pr32550.f90: Use -static-libgcc on Darwin.
	* testsuite/libgomp.fortran/crayptr2.f90: Likwise.

2007-07-12  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/32550
	* testsuite/libgomp.fortran/pr32550.f90: New test.
	* testsuite/libgomp.fortran/crayptr2.f90: New test.

2007-07-05  H.J. Lu  <hongjiu.lu@intel.com>

	* aclocal.m4: Regenerated.

2007-07-05  Tobias Burnus  <burnus@net-b.de>

	PR fortran/32359
	* testsuite/libgomp.fortran/pr32359.f90: New.

2007-07-02  Jakub Jelinek  <jakub@redhat.com>

	PR libgomp/32468
	* sections.c (GOMP_parallel_sections_start): Only decrease
	number of threads to COUNT if dyn_var is true.
	* testsuite/libgomp.c/pr32468.c: New test.

2007-07-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	PR libgomp/26308
	* config/posix/lock.c (_XOPEN_SOURCE): Don't define on Tru64 UNIX.

2007-06-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/32362
	* testsuite/libgomp.c/pr32362-1.c: New test.
	* testsuite/libgomp.c/pr32362-2.c: New test.
	* testsuite/libgomp.c/pr32362-3.c: New test.

2007-06-07  Jakub Jelinek  <jakub@redhat.com>

	* team.c (gomp_team_start): Fix setting up thread_attr
	stack size.

2007-06-02  Paolo Bonzini  <bonzini@gnu.org>

	* configure: Regenerate.

2007-05-23  Steve Ellcey  <sje@cup.hp.com>

	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* aclocal.m4: Regenerate.
	* testsuite/Makefile.in: Regenerate.

2007-05-04  Jakub Jelinek  <jakub@redhat.com>

	* config/linux/proc.c: New file.

	PR libgomp/28482
	* configure.tgt: Don't link with -Wl,-z,nodlopen even on Linux.

2007-04-19  Daniel Franke  <franke.daniel@gmail.com>

	* libgomp.texi (GOMP_CPU_AFFINITY): Updated.

2007-04-16  Matthias Klose  <doko@debian.org>

	* configure.tgt (i[456]86-*-linux*): Only add ia32 specific
	flags if not building with -m64.
	* testsuite/lib/libgomp-dg.exp (libgomp_init): Don't add -march
	flag for i?86-*-* targets, if current target matches -m64.

2007-04-14  Steve Ellcey  <sje@cup.hp.com>

	* Makefile.am: Add -I .. to ACLOCAL_AMFLAGS.
	* Makefile.in: Regenerate.

2007-04-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR testsuite/31369
	* testsuite/libgomp.c++/c++.exp: Don't use concat when setting
	ld_library_path.
	* testsuite/libgomp.fortran/fortran.exp: Likewise.

2007-04-04  Jakub Jelinek  <jakub@redhat.com>

	* libgomp.h (gomp_cpu_affinity, gomp_cpu_affinity_len): New extern
	decls.
	(gomp_init_affinity, gomp_init_thread_affinity): New prototypes.
	* env.c (gomp_cpu_affinity, gomp_cpu_affinity_len): New variables.
	(parse_affinity): New function.
	(initialize_env): Call it and gomp_init_affinity.
	* team.c (gomp_team_start): If gomp_cpu_affinity != NULL,
	create new pthread_attr_t and call gomp_init_thread_affinity
	on it for each thread before passing the attribute to pthread_create.
	* config/linux/affinity.c: New file.
	* config/posix/affinity.c: New file.
	* configure.ac (HAVE_PTHREAD_AFFINITY_NP): New test.
	* configure: Rebuilt.
	* config.h.in: Rebuilt.
	* Makefile.am (libgomp_la_SOURCES): Add affinity.c.
	* Makefile.in: Rebuilt.

2007-03-23  Andreas Tobler  <a.tobler@schweiz.org>

	* testsuite/lib/libgomp.exp (libgomp_init): Add -shared-libgcc for
	*-*-darwin*.
	* testsuite/libgomp.c++/c++.exp: Look for shared libstdc++ library
	and use it if found.

2007-03-18  Uros Bizjak  <ubizjak@gmail.com>

	* testsuite/config/default.exp: New file.
	* testsuite/lib/libgomp.exp: New file.
	* testsuite/lib/libgomp.dg (load_gcc_lib, libgomp_init,
	libgomp_target_compile, libgomp_option_help, libgomp_option_proc,
	load_lib *, load_gcc_lib *): Move to libgomp.exp.
	(libgomp_load): Remove.
	* testsuite/lib/libgomp.exp (libgomp_init): Compute
	always_ld_library_path, not ld_library_path.  Set additional_flags
	to -march=i486 for ilp32 x86_64-*-* and i386-*-* targets.
	(target_compile): Do not call libgomp_init.  Append lang_library_path
	and lang_link_flags to options.
	* testsuite/libgomp.c/c.exp: Set DEFAULT_FLAGS to -O2.  Set
	ld_library_path from always_ld_library_path.  Set LD_LIBRARY_PATH
	here.
	* testsuite/libgomp.c++/c++.exp: Set ld_library_path from
	always_ld_library_path.  Set LD_LIBRARY_PATH here.
	* testsuite/libgomp.fortran/fortran.exp: Ditto.
	* testsuite/libgomp.c/atomic-1.c: Set dg-options to
	"-O2 -march=pentium" for ilp32 x86 targets. Simplify check for
	CX8 flag.
	* testsuite/libgomp.c/atomic-2.c: Set dg-options to "-O2 -mcx16" for
	lp64 x86 targets. Do not check for SSE3 bit. Do not define bit_SSE3.
	* testsuite/libgomp.c/pr29947-1.c: Remove default dg-options.
	* testsuite/libgomp.c/pr29947-1.c: Ditto.
	* testsuite/libgomp.c/atomic-10.c: Ditto.

2007-03-21  Jakub Jelinek  <jakub@redhat.com>

	* testsuite/libgomp.fortran/appendix-a/a.22.8.f90: Add
	dg-final cleanup-modules line.
	* testsuite/libgomp.fortran/appendix-a/a.40.1.f90: Likewise.
	* testsuite/libgomp.fortran/appendix-a/a.31.5.f90: Likewise.
	* testsuite/libgomp.fortran/appendix-a/a.31.4.f90: Likewise.
	* testsuite/libgomp.fortran/threadprivate2.f90: Likewise.
	* testsuite/libgomp.fortran/reduction5.f90: Likewise.
	* testsuite/libgomp.fortran/threadprivate3.f90: Likewise.
	* testsuite/libgomp.fortran/threadprivate1.f90: Likewise.

2007-03-18  Andreas Schwab  <schwab@suse.de>

	* acinclude.m4: Adjust regular expression for ld version
	extraction.
	* configure: Regenerate.

2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>

	* Makefile.am: Add install-pdf target as copied from
	automake v1.10 rules.
	* Makefile.in: Regenerate

2007-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR libgomp/28486
	* configure: Regenerate.

	PR c++/30703
	* testsuite/libgomp.c++/pr30703.C: New test.

2007-02-02  Jakub Jelinek  <jakub@redhat.com>

	Revert:
	2006-07-05  Eric Christopher  <echristo@apple.com>
	* configure.ac: Depend addition of -pthread on host OS.
	* configure: Regenerate.

2007-01-31  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* libgomp.texi: Fix spacing after abbreviations.

2007-01-31  Daniel Franke <franke.daniel@gmail.com>

	PR libgomp/30546
	* configure.ac: Add check for makeinfo
	* Makefile.am: Redefined target libgomp.info, build libgomp.info only
	if an appropiate version of makeinfo is found.
	* aclocal.m4: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
	* testsuite/Makefile.in: Regenerated.

2007-01-29  Daniel Franke <franke.daniel@gmail.com>

	PR libgomp/30540
	* libgomp.texi: More about implementation-dependent settings.

2007-01-26  Tobias Burnus  <burnus@net-b.de>

	* testsuite/libgomp.fortran/fortran.exp: Support .f03 extension.

2007-01-24  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/30494
	* testsuite/libgomp.c/pr30494.c: New test.

2007-01-15  Tom Tromey  <tromey@redhat.com>

	* configure: Rebuilt.
	* configure.ac: Fixed comment.

2007-01-14  Daniel Franke  <franke.daniel@gmail.com>

	* libgomp.texi: Document implementation specific default values of
	environment variables.

2006-12-21  Daniel Franke  <franke.daniel@gmail.com>

	PR libgomp/28209
	* libgomp.texi: New file.
	* configure.ac: Add --enable-generated-files-in-srcdir option.
	* Makefile.am: Add info, dvi, pdf, html targets. On request, copy
	files to srcdir.
	* Makefile.in: Regenerated.
	* config.h.in: Regenerated.
	* testsuite/Makefile.in: Regenerated.
	* NOTES: Removed.

2006-12-04  Daniel Franke  <franke.daniel@gmail.com>

	PR libgomp/29949
	* env.c (omp_set_num_threads): Set illegal thread count to 1.

2006-12-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* configure: Regenerate.

2006-12-04  Jakub Jelinek  <jakub@redhat.com>

	PR libgomp/29947
	* loop.c (gomp_loop_init): Make parameters signed.  Set ws->end to
	start if there shouldn't be any loop iterations.
	(gomp_loop_ordered_static_start): Remove start == end test.
	* testsuite/libgomp.c/pr29947-1.c: New test.
	* testsuite/libgomp.c/pr29947-2.c: New test.

2006-12-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* configure.tgt: Force initial-exec TLS model on Linux only.

2006-11-13  Daniel Jacobowitz  <dan@codesourcery.com>

	* configure: Regenerated.

2006-11-09  Uros Bizjak  <ubizjak@gmail.com>

	* env.c (parse_schedule): Reject out of range values.
	(parse_unsigned_long): Reject out of range, negative or zero values.

2006-10-29  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/29629
	* testsuite/libgomp.fortran/pr29629.f90: New test.

2006-10-24  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR libgomp/29494
	* configure.tgt: Use posix95 configuration for Solaris 2.5.1 and 2.6.
	* config/posix95: New directory.
	* config/posix95/omp-lock.h: New file.
	* config/posix95/lock.c: Likewise.

2006-10-14  Geoffrey Keating  <geoffk@apple.com>

	* aclocal.m4: Regenerate.
	* configure: Regenerate.

2006-10-05  Danny Smith  <dannysmith@users.sourceforge.net>

	* testsuite/libgomp.c/barrier-1.c: Change timestamp tests from
	'<' to '<='.

2006-10-05  Danny Smith  <dannysmith@users.sourceforge.net>

	* acinclude.m4 (HAVE_ATTRIBUTE_ALIAS): Remove __USER_LABEL_PREFIX__ from
	test.
	* configure: Regenerate.
	* fortran.c  (ialias_redirect): Add __USER_LABEL_PREFIX__ to alias.

2006-09-26  Jakub Jelinek  <jakub@redhat.com>