libgomp/

libgomp/
	* libgomp.h (gomp_device_state): New enum.
	(struct gomp_device_descr): Replace is_initialized with state.
	(gomp_fini_device): Remove declaration.
	* oacc-host.c (host_dispatch): Use state instead of is_initialized.
	* oacc-init.c (acc_init_1): Use state instead of is_initialized.
	(acc_shutdown_1): Likewise.  Inline gomp_fini_device.
	(acc_set_device_type): Use state instead of is_initialized.
	(acc_set_device_num): Likewise.
	* target.c (resolve_device): Use state instead of is_initialized.
	Do not initialize finalized device.
	(gomp_map_vars): Do nothing if device is finalized.
	(gomp_unmap_vars): Likewise.
	(gomp_update): Likewise.
	(GOMP_offload_register_ver): Use state instead of is_initialized.
	(GOMP_offload_unregister_ver): Likewise.
	(gomp_init_device): Likewise.
	(gomp_unload_device): Likewise.
	(gomp_fini_device): Remove.
	(gomp_get_target_fn_addr): Do nothing if device is finalized.
	(GOMP_target): Go to host fallback if device is finalized.
	(GOMP_target_ext): Likewise.
	(gomp_exit_data): Do nothing if device is finalized.
	(gomp_target_task_fn): Go to host fallback if device is finalized.
	(gomp_target_fini): New static function.
	(gomp_target_init): Use state instead of is_initialized.
	Call gomp_target_fini at exit.
liboffloadmic/
	* plugin/libgomp-plugin-intelmic.cpp (unregister_main_image): Remove.
	(register_main_image): Do not call unregister_main_image at exit.
	(GOMP_OFFLOAD_fini_device): Allow for OpenMP.  Unregister main image.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@231623 138bc75d-0d04-0410-961f-82ee72b054a4