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gcc/libgfortran/runtime
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Andre Vieira 1d4a51cf50 Reverting 'AsyncI/O patch committed' as it is breaking bare-metal builds. 
2018-07-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	Revert 'AsyncI/O patch committed'
	2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
		Thomas Koenig <tkoenig@gcc.gnu.org>

	PR fortran/25829
	* gfortran.texi: Add description of asynchronous I/O.
	* trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
	as volatile.
	* trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
	st_wait_async and change argument spec from ".X" to ".w".
	(gfc_trans_wait): Pass ID argument via reference.

2018-07-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	Revert 'AsyncI/O patch committed'
	2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
		Thomas Koenig <tkoenig@gcc.gnu.org>

	PR fortran/25829
	* gfortran.dg/f2003_inquire_1.f03: Add write statement.
	* gfortran.dg/f2003_io_1.f03: Add wait statement.

2018-07-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	Revert 'AsyncI/O patch committed'
	2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
		Thomas Koenig <tkoenig@gcc.gnu.org>

	PR fortran/25829
	* Makefile.am: Add async.c to gfor_io_src.
	Add async.h to gfor_io_headers.
	* Makefile.in: Regenerated.
	* gfortran.map: Add _gfortran_st_wait_async.
	* io/async.c: New file.
	* io/async.h: New file.
	* io/close.c: Include async.h.
	(st_close): Call async_wait for an asynchronous unit.
	* io/file_pos.c (st_backspace): Likewise.
	(st_endfile): Likewise.
	(st_rewind): Likewise.
	(st_flush): Likewise.
	* io/inquire.c: Add handling for asynchronous PENDING
	and ID arguments.
	* io/io.h (st_parameter_dt): Add async bit.
	(st_parameter_wait): Correct.
	(gfc_unit): Add au pointer.
	(st_wait_async): Add prototype.
	(transfer_array_inner): Likewise.
	(st_write_done_worker): Likewise.
	* io/open.c: Include async.h.
	(new_unit): Initialize asynchronous unit.
	* io/transfer.c (async_opt): New struct.
	(wrap_scalar_transfer): New function.
	(transfer_integer): Call wrap_scalar_transfer to do the work.
	(transfer_real): Likewise.
	(transfer_real_write): Likewise.
	(transfer_character): Likewise.
	(transfer_character_wide): Likewise.
	(transfer_complex): Likewise.
	(transfer_array_inner): New function.
	(transfer_array): Call transfer_array_inner.
	(transfer_derived): Call wrap_scalar_transfer.
	(data_transfer_init): Check for asynchronous I/O.
	Perform a wait operation on any pending asynchronous I/O
	if the data transfer is synchronous. Copy PDT and enqueue
	thread for data transfer.
	(st_read_done_worker): New function.
	(st_read_done): Enqueue transfer or call st_read_done_worker.
	(st_write_done_worker): New function.
	(st_write_done): Enqueue transfer or call st_read_done_worker.
	(st_wait): Document as no-op for compatibility reasons.
	(st_wait_async): New function.
	* io/unit.c (insert_unit): Use macros LOCK, UNLOCK and TRYLOCK;
	add NOTE where necessary.
	(get_gfc_unit): Likewise.
	(init_units): Likewise.
	(close_unit_1): Likewise. Call async_close if asynchronous.
	(close_unit): Use macros LOCK and UNLOCK.
	(finish_last_advance_record): Likewise.
	(newunit_alloc): Likewise.
	* io/unix.c (find_file): Likewise.
	(flush_all_units_1): Likewise.
	(flush_all_units): Likewise.
	* libgfortran.h (generate_error_common): Add prototype.
	* runtime/error.c: Include io.h and async.h.
	(generate_error_common): New function.

2018-07-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	Revert 'AsyncI/O patch committed'.
	2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
		Thomas Koenig <tkoenig@gcc.gnu.org>

	PR fortran/25829
	* testsuite/libgomp.fortran/async_io_1.f90: New test.
	* testsuite/libgomp.fortran/async_io_2.f90: New test.
	* testsuite/libgomp.fortran/async_io_3.f90: New test.
	* testsuite/libgomp.fortran/async_io_4.f90: New test.
	* testsuite/libgomp.fortran/async_io_5.f90: New test.
	* testsuite/libgomp.fortran/async_io_6.f90: New test.
	* testsuite/libgomp.fortran/async_io_7.f90: New test.

From-SVN: r263082
2018-07-31 08:42:21 +00:00
..
backtrace.c Update copyright years. 2018-01-03 11:03:58 +01:00
bounds.c Use pointer sized array indices. 2018-01-31 16:16:22 +02:00
compile_options.c Update copyright years. 2018-01-03 11:03:58 +01:00
convert_char.c Update copyright years. 2018-01-03 11:03:58 +01:00
environ.c Update copyright years. 2018-01-03 11:03:58 +01:00
error.c Reverting 'AsyncI/O patch committed' as it is breaking bare-metal builds. 2018-07-31 08:42:21 +00:00
fpu.c Update copyright years. 2018-01-03 11:03:58 +01:00
in_pack_generic.c Use pointer sized array indices. 2018-01-31 16:16:22 +02:00
in_unpack_generic.c Use pointer sized array indices. 2018-01-31 16:16:22 +02:00
main.c Update copyright years. 2018-01-03 11:03:58 +01:00
memory.c Update copyright years. 2018-01-03 11:03:58 +01:00
minimal.c PR85463 '[nvptx] "exit" in offloaded region doesn't terminate process' 2018-04-19 10:53:38 +02:00
pause.c PR 84519 Handle optional QUIET specifier for STOP and ERROR STOP 2018-02-23 11:07:24 +02:00
select_inc.c Update copyright years. 2018-01-03 11:03:58 +01:00
select.c Update copyright years. 2018-01-03 11:03:58 +01:00
stop.c PR 84519 Handle optional QUIET specifier for STOP and ERROR STOP 2018-02-23 11:07:24 +02:00
string.c Update copyright years. 2018-01-03 11:03:58 +01:00