on 2022/1/14 下午9:53, David Edelsohn wrote:
> On Fri, Jan 14, 2022 at 5:42 AM Kewen.Lin <li...@linux.ibm.com> wrote:
>>
>> on 2022/1/13 下午11:15, David Edelsohn wrote:
>>> On Thu, Jan 13, 2022 at 7:40 AM Kewen.Lin <li...@linux.ibm.com> wrote:
>>>>
>>>> Hi David,
>>>>
>>>> on 2022/1/13 上午11:12, David Edelsohn wrote:
>>>>> On Wed, Jan 12, 2022 at 8:56 PM Kewen.Lin <li...@linux.ibm.com> wrote:
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> This patch is to clean up some codes with GET_MODE_UNIT_SIZE or
>>>>>> GET_MODE_NUNITS, which can use known constant instead.
>>>>>
>>>>> I'll let Segher decide, but often the additional code is useful
>>>>> self-documentation instead of magic constants.  Or at least the change
>>>>> requires comments documenting the derivation of the constants
>>>>> currently described by the code itself.
>>>>>
>>>>
>>>> Thanks for the comments, I added some comments as suggested, also removed
>>>> the whole "altivec_vreveti2" since I noticed it's useless, it's not used
>>>> by any built-in functions and even unused in the commit db042e1603db50573.
>>>>
>>>> The updated version has been tested as before.
>>>
>>> As we have discussed offline, the comments need to be clarified and 
>>> expanded.
>>>
>>> And the removal of altivec_vreveti2 should be confirmed with Carl
>>> Love, who added the pattern less than a year ago. There may be another
>>> patch planning to use it.
>>>
>>
>> Thanks for the suggestions David!  The comments have been updated, and Carl
>> also helped to confirm the altivec_vreveti2 pattern is not planned for any
>> future work and looks reasonable to remove.
>>
>> Does this updated version look good to you?
> 
> The revised patch is okay.

Thanks!  Committed as r12-6621.

BR,
Kewen

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