Re: Alignment and dietlibc

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On 01/07/2011 11:13 PM, Gordan Bobic wrote:
> Guys, it is as I suspected:
>
> Before building dietlibc (with my patches (posted to bugzilla), without
> which it won't build at all):
>
> User:           0
> System:         1
> Skipped:        0
> Half:           0
> Word:           0
> DWord:          1
> Multi:          0
> User faults:    3 (fixup+warn)
>
>
> After building dietlibc and running it's test suite:
>
> User:           1012877
> System:         1
> Skipped:        0
> Half:           0
> Word:           0
> DWord:          1
> Multi:          0
> User faults:    3 (fixup+warn)
>
> I don't think there can be any doubt any more about where the previos
> astronomically high number of misalignments came from. This also means
> that the chances of properly running dietlibc on ARM, at least with
> decent performance without hardware alignment fixing are pretty low.

Probably, although there may be only one bug (say in memcpy) for
all we know.

Andrew.
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