[Patch] [gas][aarch64][SVE2] Fix pmull{t,b} requirement on SVE2-AES

[Nick Clifton]

Hi Matthew,

> gas/ChangeLog:
> 
> 2019-06-28  Matthew Malcomson  <matthew.malcomson@arm.com>
> 
> 	* testsuite/gas/aarch64/illegal-sve2-aes.d: Update tests.
> 	* testsuite/gas/aarch64/illegal-sve2.l: Update tests.
> 	* doc/c-aarch64.texi: Add special note of pmull{t,b}
> 	instructions under the sve2-aes architecture extension.
> 	* testsuite/gas/aarch64/illegal-sve2.s: Add small size
> 	pmull{t,b} instructions.
> 	* testsuite/gas/aarch64/sve2.d: Add small size pmull{t,b}
> 	disassembly.
> 	* testsuite/gas/aarch64/sve2.s: Add small size pmull{t,b}
> 	instructions.
> 
> include/ChangeLog:
> 
> 2019-06-28  Matthew Malcomson  <matthew.malcomson@arm.com>
> 
> 	* opcode/aarch64.h (enum aarch64_insn_class): sve_size_013
> 	renamed to sve_size_13.
> 
> opcodes/ChangeLog:
> 
> 2019-06-28  Matthew Malcomson  <matthew.malcomson@arm.com>
> 
> 	* aarch64-asm.c (aarch64_encode_variant_using_iclass): Use new
> 	sve_size_13 icode to account for variant behaviour of
> 	pmull{t,b}.
> 	* aarch64-dis-2.c: Regenerate.
> 	* aarch64-dis.c (aarch64_decode_variant_using_iclass): Use new
> 	sve_size_13 icode to account for variant behaviour of
> 	pmull{t,b}.
> 	* aarch64-tbl.h (OP_SVE_VVV_HD_BS): Add new qualifier.
> 	(OP_SVE_VVV_Q_D): Add new qualifier.
> 	(OP_SVE_VVV_QHD_DBS): Remove now unused qualifier.
> 	(struct aarch64_opcode): Split pmull{t,b} into those requiring
> 	AES and those not.
> 

Approved - please apply.

Cheers
  Nick