[AArch64] Missed vectorization opportunity in cactusADM

[Ramana Radhakrishnan]

>> yes, that '50' should be a parameter somewhere in loop_vec_info.
>
> I see the broken code is still in aarch64.c - can someone please test
> & apply the above
> patch?

I believe this is on Alan's todo list.

Ramana

>
> Thanks,
> Richard.
>
>> Richard.
>>
>>> Thanks,
>>> James
>>>
>>> ---
>>> [1]: Cortex-57 Software Optimisation Guide
>>>   http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.uan0015a/index.html
>>>