[AArch64][PATCH 2/3] Adjust a utility function for floating point values.

[Nick Clifton]

Hi Matthew,

> opcodes/
> 2015-11-24  Matthew Wahab  <matthew.wahab@arm.com>
>
>      * aarch64-opc.c (half_conv_t): New.
>          (expand_fp_imm): Replace is_dp flag with the parameter size to
>      specify the number of bytes for the required expansion.  Treat
>      a 16-bit expansion like a 32-bit expansion.  Add check for an
>      unsupported size request.  Update comment.
>      (aarch64_print_operand): Update to support 16-bit floating point
>      values.  Update for changes to expand_fp_imm.

Approved - please apply.

Cheers
   Nick