[PATCH][GAS][2/8] aarch64: [SME] Add SME instructions

[Przemyslaw Wirkus]

Hi,

Patch is adding new SME matrix instructions. Please note additional
instructions will be added in following patches.

OK for maste?

gas/ChangeLog:

	* config/tc-aarch64.c (parse_sme_zada_operand):
	New parser.
	* config/tc-aarch64.c (parse_reg_with_qual):
	New reg parser.
	* config/tc-aarch64.c (R_ZA): New egister type.
	(parse_operands): New parser.
	* testsuite/gas/aarch64/sme-illegal.d: New test.
	* testsuite/gas/aarch64/sme-illegal.l: New test.
	* testsuite/gas/aarch64/sme-illegal.s: New test.
	* testsuite/gas/aarch64/sme.d: New test.
	* testsuite/gas/aarch64/sme.s: New test.
	* testsuite/gas/aarch64/sme-f64.d: New test.
	* testsuite/gas/aarch64/sme-f64.s: New test.
	* testsuite/gas/aarch64/sme-i64.d: New test.
	* testsuite/gas/aarch64/sme-i64.s: New test.

include/ChangeLog:

	* opcode/aarch64.h (enum aarch64_opnd): New operands
	AARCH64_OPND_SME_ZAda_2b, AARCH64_OPND_SME_ZAda_3b and
	AARCH64_OPND_SME_Pm.
	(enum aarch64_insn_class): New instruction class sme_misc.

opcodes/ChangeLog:

	* aarch64-opc.c (aarch64_print_operand):
	Print OPND_SME_ZAda_2b and OPND_SME_ZAda_3b operands.
	(verify_constraints): Handle OPND_SME_Pm.
	* aarch64-opc.h (enum aarch64_field_kind):
	New bit fields FLD_SME_ZAda_2b, FLD_SME_ZAda_3b and FLD_SME_Pm.
	* aarch64-tbl.h (OP_SME_ZADA_PN_PM_ZN_S): New qualifier set.
	(OP_SME_ZADA_PN_PM_ZN_D): New qualifier.
	(OP_SME_ZADA_PN_PM_ZN_ZM): New qualifier.
	(OP_SME_ZADA_S_PM_PM_S_S): New qualifier.
	(OP_SME_ZADA_D_PM_PM_D_D): New qualifier.
	(OP_SME_ZADA_S_PM_PM_H_H): New qualifier.
	(OP_SME_ZADA_S_PM_PM_B_B): New qualifier.
	(OP_SME_ZADA_D_PM_PM_H_H): New qualifier.
	(SME_INSN): New instruction macro.
	(SME_F64_INSN): New instruction macro.
	(SME_I64_INSN): New instruction macro.
	(SME_INSNC): New instruction macro.
	(struct aarch64_opcode): New SME instructions.
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