Re: EABI and ARM context switching

[Koen Kooi <koen at dominion dot kabel dot utwente dot nl>]

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Lennert Buytenhek schreef:
> On Mon, Dec 11, 2006 at 09:31:22AM +0100, Koen Kooi wrote:
> 
>>>> No, it doesn't, it's a vanilla xscale v2 based CPU.
>>> Are you using a particular CPU tuning?  I am working with (and tuning
>>> for) an ARM926EJ-S, and will need to choose a tuning for an IXP425
>>> soon.  You need at least armv5t for EABI, right?
>> If you apply
>> http://www.openembedded.org/repo/org.openembedded.dev/packages/gcc/gcc-4.1.1/unbreak-armv4t.patch
>> to gcc 4.1.1 it magically support EABI on armv4t as well. The only (possibly eabi related)
>> bug I have reported for OE built software on armv4t/eabi is
>> http://bugs.openembedded.org/show_bug.cgi?id=1616
> 
> I have since rebuilt perl half a dozen times, both the Debian sid and
> the FC6 perl, for armv4t and armv5te, and haven't reproduced this
> miscompilation.
> 
> If you used -Os on your build,

Yes....

> you can almost certainly make the
> miscompilation go away with -O1 or -O2.

Great, thanks!

regards,

Koen

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