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From: "David Nyström" <david.c.nystrom@gmail.com>
To: Phil Blundell <pb@pbcl.net>
Cc: Patches and discussions about the oe-core layer
	<openembedded-core@lists.openembedded.org>
Subject: Re: [PATCH] x264: SPE is not compatible with Altivec
Date: Fri, 21 Feb 2014 22:45:47 +0100	[thread overview]
Message-ID: <5307C90B.3080804@gmail.com> (raw)
In-Reply-To: <1393017641.2640.21.camel@e130.pbcl.net>


On 2014-02-21 22:20, Phil Blundell wrote:
> On Fri, 2014-02-21 at 20:40 +0100, David Nystrom wrote:
>> Perhaps you know this already, but e500v2 is a cpu arch, same as
>> armv5.
> Is that really true?  I thought e500v2 was an actual core and the
> equivalent architecture was Power v2.03 or something.

Yes, good point.
I understand Sauls concern.
>
>> For future reference, should all ppc related CPU-arch specific stuff
>> be directed to the FSL bsp ?
> Since we do ship tune-ppce500.inc in oe-core, I think it makes sense to
> also include the overrides necessary to make compilation work with SPE
> enabled.  It doesn't seem unreasonable that users would expect that the
> recipes in oe-core would work with a configuration that comes as
> standard.
>
> However, adding overrides for e500v2 specifically does seem like a bad
> plan since we will then end up having to duplicate the thing for every
> other non-altivec configuration.  Can you come up with some override
> that will apply to all SPE configurations,
Yep, will return with V2.

> or failing that a patch for
> the configure script that will disable the altivec assembler if it
> notices that ${CC} is configured for SPE?
>
> p.
>
>



  reply	other threads:[~2014-02-21 21:45 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-21 13:56 [PATCH] x264: SPE is not compatible with Altivec David Nyström
2014-02-21 18:28 ` Saul Wold
2014-02-21 19:40   ` David Nystrom
2014-02-21 21:20     ` Phil Blundell
2014-02-21 21:45       ` David Nyström [this message]
2014-02-21 21:59 ` [PATCHv2] x246: Disable Altivec asm when SPE is enabled David Nyström

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