PR target/54760
	* config/sh/sh.md (define_constants): Add UNSPECV_GBR.
	(get_thread_pointer, set_thread_pointer): New expanders.
	(load_gbr): Rename to store_gbr.  Remove GBR_REG use.
	(store_gbr): New insn.
	* config/sh/sh.c (prepare_move_operands): Use gen_store_gbr instead of
	gen_load_gbr in TLS_MODEL_LOCAL_EXEC case.
	(sh1_builtin_p): New function.
	(signature_args): Add SH_BLTIN_VP.
	(bdesc): Add __builtin_thread_pointer and __builtin_set_thread_pointer.

	PR target/54760
	* gcc.target/sh/pr54760-1.c: New.

From-SVN: r192155