Re: Why does different types of array subscript used to iterate affect auto vectorization

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On Tue, Jun 28, 2022 at 11:56 PM Alexander Monakov <amonakov@xxxxxxxxx>
wrote:

> On Tue, 28 Jun 2022, Adonis Ling via Gcc-help wrote:
>
> > For the secondary issue, could I explain that Clang chooses to ignore it?
>
> That would be a compiler bug if it ignored that case; instead, it appears
> to
> emit a test that the index would not wrap around, branching to a
> non-vectorized
> variant if it would.
>
> Alexander
>

Ok, thanks a lot for your help!

-- 
Best regards,
Adonis



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