* amd64-tdep.c (struct amd64_register_info): Remove.

	* amd64-tdep.c (struct amd64_register_info): Remove.
	(amd64_register_info): Remove.
	(amd64_register_names): New static variable.
	(AMD64_NUM_REGS): Use amd64_register_names instead of
	amd64_register_info.
	(amd64_register_name): Likewise.
	(amd64_register_type): Do not refer to amd64_register_info.

	* s390-tdep.c (struct s390_register_info): Remove.
	(s390_register_info): Remove.
	(s390_register_name): Do not refer to s390_register_info.
	(s390_register_type): Likewise.

	* sparc64-tdep.c (struct sparc64_register_info): Remove.
	(sparc64_register_info, sparc64_pseudo_register_info): Remove.
	(sparc64_register_names, sparc64_pseudo_register_names): New.
	(SPARC64_NUM_REGS, SPARC64_NUM_PSEUDO_REGS): Use
	sparc64_register_names and sparc64_pseudo_register_names instead of
	sparc64_register_info and sparc64_pseudo_register_info.
	(sparc64_register_name): Likewise.
	(sparc64_register_type): Do not refer to sparc64_register_info
	and sparc64_pseudo_register_info.