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

[Matthew Wahab]

Committed: https://sourceware.org/ml/binutils-cvs/2015-11/msg00168.html

Is this ok for the 2.26 branch?
Matthew

On 24/11/15 11:52, Matthew Wahab wrote:
> Hello,
>
> ARMv8.2 adds 16-bit floating point operations as an optional
> extension. This patch adjusts the utility function expand_fp_imm to
> support 16-bit values.
>
> The function is intended to convert an 8-bit immediate representing a
> floating point value to a representation that can be passed to
> fprintf. Because of the limited use of the results, the only made to the
> function is to treat a request for a 16-bit float as a request for a
> 32-bit float.
>
> Tested the series for aarch64-none-linux gnu with cross-compiled
> check-binutils and check-gas.
>
> Ok for trunk?
> 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.
>