gas:
	* config/tc-arm.c (struct arm_it): Add isreg field to operands.
	(THUMB_ASR, THUMB_ASL, THUMB_LSR): Delete.
	(BAD_HIREG): New canned diagnostic.
	(OP_RR_EX, OP_RL_iEX, OP_oRL_iEX): New operand parse codes.
	(parse_operands): Implement the latter two.  Use BAD_HIREG throughout.
	(po_reg_or_fail): Set isreg field as well.
	(thumb_shift): Rename do_t_shift.  Remove second argument.
	Use parse_operands.  Leave patching of immediate value to md_apply_fix3.
	(do_t_asr, do_t_lsl, do_t_lsr): Delete.
	(tinsns): Use do_t_shift for asr, lsl, lsr.
	(md_apply_fix3 <case BFD_RELOC_ARM_THUMB_SHIFT>): Handle 0 and 32
	correctly.
opcodes:
	* arm-dis.c (print_insn_thumb): New %s escape sequence.
	(thumb_opcodes): Use %s for asr and lsr.