[ARM] Add ARMv8.3 VCMLA and VCADD instructions

[Nick Clifton]

Hi Szabolcs,

> gas/
> 2016-12-05  Szabolcs Nagy  <szabolcs.nagy@arm.com>
> 
> 	* config/tc-arm.c (do_vcmla, do_vcadd): Define.
> 	(neon_scalar_for_vcmla): Define.
> 	(enum operand_parse_code): Add OP_IROT1 and OP_IROT2.
> 	(NEON_ENC_TAB): Add DDSI and QQSI variants.
> 	(insns): Add vcmla and vcadd.
> 
> opcodes/
> 2016-12-05  Szabolcs Nagy  <szabolcs.nagy@arm.com>
> 
> 	* arm-dis.c (coprocessor_opcodes): Add vcmla and vcadd.
> 	(print_insn_coprocessor): Add 'V' format for neon D or Q regs.
> 
> gas/testsuite/
> 2016-12-05  Szabolcs Nagy  <szabolcs.nagy@arm.com>
> 
> 	* gas/arm/armv8_3-a-simd.d: New.
> 	* gas/arm/armv8_3-a-simd.s: New.
> 	* gas/arm/armv8_3-a-simd-bad.d: New.
> 	* gas/arm/armv8_3-a-simd-bad.l: New.
> 	* gas/arm/armv8_3-a-simd-bad.s: New.

Approved - please apply.

Cheers
  Nick