[PATCH 0/4] memcpy optimized with strd/ldrd

[Boojin Kim]

Nicolas Pitre wrote:

> > >
> > > Here's my version.  Lightly tested.
> > > I have no A15 hardware to run any performance comparison though.
> > >
> > I'm reviewing and testing your patch. But, My other work disturbs to reviewing it.
> > I will give you feedback soon within this week.
> > Wait a little more.
> > And, Thanks for your patches. :)
>
> FYI, it occurred to me that some corner cases might not be quite right
> with regards to alignment for the STRD instruction.  It seems that the
> hardware on which I tested it (Marvell Dove CPU) apparently copes with
> misaligned SDRD's when they're still 32-bit aligned.  So I need to run
> this code through a real validation harness on different hardware.

It's sad, but the performance result wasn't better after adapting your patch.
I think something on 1~3 patch brings performance degreasing.
Thanks :)

>
>
> Nicolas
>
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