[PATCH] ARM: Form paired load after stack coloring.
Quentin Colombet
qcolombet at apple.com
Thu Jun 20 16:45:49 PDT 2013
Here is the link to enhancement for the register allocator.
http://llvm.org/bugs/show_bug.cgi?id=16396
-Quentin
On Jun 20, 2013, at 4:07 PM, Renato Golin <renato.golin at linaro.org> wrote:
> Thanks Quentin!
>
> Renato
>
> On 20 Jun 2013 23:55, "Quentin Colombet" <qcolombet at apple.com> wrote:
> Thanks again for your reviews.
>
> Committed as r184492.
>
> I will send another mail with the PR number for the register allocation limitation exposed with this patch (as soon as I have filed it).
>
> Cheers,
>
> -Quentin
>
> On Jun 20, 2013, at 3:44 PM, Quentin Colombet <qcolombet at apple.com> wrote:
>
>>
>> On Jun 20, 2013, at 3:42 PM, Renato Golin <renato.golin at linaro.org> wrote:
>>
>>> On 20 June 2013 23:36, Andrew Trick <atrick at apple.com> wrote:
>>> I couldn’t see a problem with Quentin’s patch. Although we may want to add a comment to the effect that ignoring the memoperand’s value means we can’t rely on AliasAnalysis.
>>>
>>> Would that break/limit any current AA? Or just future possible implementations?
>>>
>>> I'm fine with the latter, but not so much with the former...
>> From my understanding, the latter as we do not use AA here.
>>
>> -Quentin
>>
>>>
>>> cheers,
>>> --renato
>>
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