[OE-core] armhf support in OpenEmbedded?

Leon Woestenberg sidebranch.openembedded at gmail.com
Mon Feb 6 21:40:10 UTC 2012


Hello,

On Mon, Feb 6, 2012 at 10:22 PM, Mark Hatle <mark.hatle at windriver.com>wrote:

> On 2/6/12 3:17 PM, Koen Kooi wrote:
>
>>
>> Op 6 feb. 2012, om 22:01 heeft Leon Woestenberg het volgende geschreven:
>>
>>  do we already have support for the ARM "armhf" ABI in OpenEmbedded?  (A
>>> quick search on the ML didn't get me hits).
>>> Basically,"armhf" is built with -mfloat-abi=hard, and tuned for armv7-a
>>> CPUs.
>>>
>>
>> Yes, we've had it for ages in OE-classic and Marks tune overhaul made it
>> easy to use in OE-core as well. Also note that armhf has practically no
>> adavantage over softfp in real world applications. The only things getting
>> a decent speedup in proper benchmarks was povray.
>>
>
> I strongly discourage people from using it.  If you don't care about ABI
> compatibility it might be a few cycles faster.. but it does limit your
> ability to draw from existing EABI software.  (Be it commercial or open
> source.)
>

Can someone please lift that large rock I have been under for ages?

Thanks!

Leon


/me climbing back into the OE trenches
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