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Re: [AArch64][PATCH 1/3] Support ARMv8.2 FP16 floating point instructions.
- From: Tristan Gingold <gingold at adacore dot com>
- To: Matthew Wahab <matthew dot wahab at foss dot arm dot com>
- Cc: binutils at sourceware dot org
- Date: Fri, 11 Dec 2015 09:50:22 +0100
- Subject: Re: [AArch64][PATCH 1/3] Support ARMv8.2 FP16 floating point instructions.
- Authentication-results: sourceware.org; auth=none
- References: <56544EB9 dot 9000909 at foss dot arm dot com> <56699951 dot 1040301 at foss dot arm dot com>
> On 10 Dec 2015, at 16:25, Matthew Wahab <matthew.wahab@foss.arm.com> wrote:
>
> Committed: https://sourceware.org/ml/binutils-cvs/2015-11/msg00167.html
>
> Is this ok for the 2.26 branch?
Yes, ok for the patch set (1-3).
> Matthew
>
> On 24/11/15 11:49, Matthew Wahab wrote:
>> ARMv8.2 adds 16-bit floating point operations as an optional extension
>> to the ARMv8 FP support. This patch set adds support for the 16-bit FP
>> instructions to binutils, enabling the instructions when both +fp and
>> +fp16 architecture extensions are enabled.
>>
>> The patches in this series:
>> - Add a feature macro for use by the encoding/decoding mechanism.
>> - Adjust a utility function, used when disassembling, to support 16-bit
>> floating point values.
>> - Add the new scalar floating-point instructions.
>>
>> The patches depend on
>> https://sourceware.org/ml/binutils/2015-11/msg00223.html, which adds the
>> +fp16 option.
>>
>> This patch adds the feature macro FP_F16 to the AArch64 encoding/decoding
>> mechanism, enabling it when both +fp and +fp16 are selected.
>>
>> Tested the series for aarch64-none-linux gnu with cross-compiled
>> check-binutils and check-gas.
>>
>> opcodes/
>> 2015-11-24 Matthew Wahab <matthew.wahab@arm.com>
>>
>> * aarch64-tbl.h (aarch64_feature_fp_f16): New.
>> (FP_F16): New.
>>
>