[yocto] [PATCH 1/1] beagleboard: enable hard floating point abi

[Tom Rini]

On Tue, Aug 23, 2011 at 11:55 AM, Darren Hart <dvhart at linux.intel.com> wrote:
> On 08/23/2011 08:34 AM, Tom Rini wrote:
>> On Tue, Aug 23, 2011 at 8:31 AM, Darren Hart <dvhart at linux.intel.com> wrote:
>>> On 08/23/2011 05:38 AM, Koen Kooi wrote:
>>>>
>>>> Op 20 aug. 2011, om 00:23 heeft Darren Hart het volgende geschreven:
>>>>
>>>>> Fixes [YOCTO #1203]
>>>>>
>>>>> Using the hard floating point abi is incompatible with some binary
>>>>> libaries and 3D support for the Beagleboard. As we do not provide
>>>>> these in poky and meta-yocto, we can take advantage of the hard
>>>>> floating point abi.
>>>>
>>>> What advantage are you talking about? So far everyone has been unable
>>>> to provide real-world numbers[1] that show hardfp making a difference
>>>> compared to a properly configured softfp. The numbers debian and
>>>> meego are showing are comparing it against completely vfpless builds,
>>>
>>>
>>> That's good reasoning to stick with softfp+neon. Unfortunately I can't
>>> find the mail threads that first got me looking into adding hardfp
>>> support. As I said, I'm not sold on the idea, but it was requested so I
>>> looked into how to address it.
>>>
>>> If nobody comes forward saying they would really like to have this, I'm
>>> going to modify the patch series to disable hardfp by default, but leave
>>> the infrastructure in place so people can enable if they like.
>>
>> Well, are there some softfp related config bits we need on the yocto
>> side that meta-ti has, in order to bring that performance back in
>> line?
>
> Are you referring to a specific performance measure?

Just the general ones that have caused people to say softfp+neon isn't
enough (outside of povray :)).

-- 
Tom