[PATCH][GAS][AArch64] Move new FP16 instructions to new flag

[Nick Clifton]

Hi Tamar,

> gas/
> 2017-11-15  Tamar Christina  <tamar.christina@arm.com>
> 
> 	* config/tc-aarch64.c (fp16fml): New.
> 	* doc/c-aarch64.texi (fp16fml): New.
> 	* testsuite/gas/aarch64/armv8_2-a-crypto-fp16.d (fp16): Make fp16fml.
> 	* testsuite/gas/aarch64/armv8_3-a-crypto-fp16.d (fp16): Make fp16fml.
> 	
> 
> include/
> 2017-11-15  Tamar Christina  <tamar.christina@arm.com>
> 
> 	* opcode/aarch64.h: (AARCH64_FEATURE_F16_FML): New.
> 	(AARCH64_ARCH_V8_4): Enable AARCH64_FEATURE_F16_FML by default.
> 
> opcodes/
> 2017-11-15  Tamar Christina  <tamar.christina@arm.com>
> 
> 	* aarch64-tbl.h (aarch64_feature_fp_16_v8_2): Require AARCH64_FEATURE_F16_FML
> 	and AARCH64_FEATURE_F16.
> 
 
Approved - please apply.

Cheers
  Nick