[PATCH][AArch64] Add ARMv8.3 javascript floating-point conversion instruction

[Nick Clifton]

Hi Szabolcs,

> opcodes/
> 2016-11-07  Szabolcs Nagy  <szabolcs.nagy@arm.com>
> 
> 	* aarch64-tbl.h (arch64_opcode_table): Add fjcvtzs.
> 	(QL_FP2INT_W_D, aarch64_feature_fp_v8_3, FP_V8_3): Define.
> 	* aarch64-asm-2.c: Regenerate.
> 	* aarch64-dis-2.c: Regenerate.
> 	* aarch64-opc-2.c: Regenerate.
> 
> gas/testsuite/
> 2016-11-07  Szabolcs Nagy  <szabolcs.nagy@arm.com>
> 
> 	* gas/aarch64/fp-armv8_3.s: Add fjcvtzs test.
> 	* gas/aarch64/fp-armv8_3.d: Likewise.
> 	* gas/aarch64/illegal-fjcvtzs.s: Likewise.
> 	* gas/aarch64/illegal-fjcvtzs.d: Likewise.
> 	* gas/aarch64/illegal-fjcvtzs.l: Likewise.
> 	* gas/aarch64/illegal-nofp-armv8_3.s: Likewise.
> 	* gas/aarch64/illegal-nofp-armv8_3.d: Likewise.
> 	* gas/aarch64/illegal-nofp-armv8_3.l: Likewise.

Approved - please apply.

Cheers
  Nick