gas/

	gas/
	* config/tc-arm.c (asm_opcode): operands type
	change.
	(BAD_PC_ADDRESSING): New macro message.
	(BAD_PC_WRITEBACK): Likewise.
	(MIX_ARM_THUMB_OPERANDS): New macro.
	(operand_parse_code): Added enum values.
	(parse_operands): Added thumb/arm distinction,
	plus new enum values handling.
	(encode_arm_addr_mode_2): Validations enhanced.
	(encode_arm_addr_mode_3): Likewise.
	(do_rm_rd_rn): Likewise.
	(encode_thumb32_addr_mode): Likewise.
	(do_t_ldrex): Likewise.
	(do_t_ldst): Likewise.
	(do_t_strex): Likewise.
	(md_assemble): Call parse_operands with
	a new parameter.
	(OPS_1): New macro.
	(OPS_2): Likewise.
	(OPS_3): Likewise.
	(OPS_4): Likewise.
	(OPS_5): Likewise.
	(OPS_6): Likewise.
	(insns): Updated insns operands.

	gas/testsuite/
	* gas/arm/sp-pc-validations-bad.d: New testcase.
	* gas/arm/sp-pc-validations-bad.l: New file.
	* gas/arm/sp-pc-validations-bad.s: New file.
	* gas/arm/sp-pc-validations-bad-t.d: New testcase.
	* gas/arm/sp-pc-validations-bad-t.l: New file.
	* gas/arm/sp-pc-validations-bad-t.s: New file.
	* gas/arm/sp-pc-usage-t.d: Removed invalid insns.
	* gas/arm/sp-pc-usage-t.s: Likewise.
	* gas/arm/unpredictable.d: Likewise.
	* gas/arm/unpredictable.s: Likewise.
	* gas/arm/thumb2_bcond.d: Added test.
	* gas/arm/thumb2_bcond.s: Likewise.