[Development] Dropping iWMMXt?

[lars.knoll at nokia.com]

On 12/30/11 10:18 PM, "ext Thiago Macieira" <thiago.macieira at intel.com>
wrote:

>The only changes done to the file in the past almost 3 years are the
>license 
>header updates and one overall change done to all draw helpers. Even the
>MMX 
>helpers had two more changes in the period (one might be considered non-
>trivial).
>
>iWMMXt is present on Intel XScale PXA27x processors, which are ARMv5TE.
>This 
>line of processors is still being sold by Marvell. Both that one[1] and
>the 
>PXA320[2] still have iWMMXt. Also, it appears that recent Marvell ARMv7
>chips, 
>like the Armada (a.k.a. "Dove")[3], also have the technology, though I am
>not 
>sure if the technologies branded as WMMX and WMMX2 are compatible.
>
>I would guess that the technology is still relevant. That's not the point
>then.
>
>The question is: does anyone feel like maintaining this? If no one feels
>responsible, we may as well drop it. It can always be brought back later
>if 
>necessary.

I'd say we drop it unless somebody steps up to maintain the code.

Cheers,
Lars

>
>Until there's a conclusion, I will touch the iWMMXt code.
>
>FYI, it appears that not even Debian supports it.
>
>
>[1] http://www.marvell.com//application-processors/pxa-
>family/assets/pxa_27x_emts.pdf
>[2] http://www.marvell.com//application-processors/pxa-
>family/assets/PXA320_PB_R4.pdf
>[3] http://www.marvell.com/application-
>processors/armada-600/assets/armada610_pb.pdf
>
>-- 
>Thiago Macieira - thiago.macieira (AT) intel.com
>  Software Architect - Intel Open Source Technology Center
>     Intel Sweden AB - Registration Number: 556189-6027
>     Knarrarnäsgatan 15, 164 40 Kista, Stockholm, Sweden
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