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Re: HAVE_FAST_UNALIGNED_ACCESS
From: |
Arsen Arsenović |
Subject: |
Re: HAVE_FAST_UNALIGNED_ACCESS |
Date: |
Fri, 31 Mar 2023 22:13:38 +0200 |
Mattias Engdegård <mattiase@acm.org> writes:
> 30 mars 2023 kl. 14.18 skrev Arsen Arsenović <arsen@aarsen.me>:
>
>> As an example, the compiler is free to, for instance, vectorize a loop,
>> emitting instructions that very much have alignment checking even on
>> x86 (the loop in question is very much parallelizable and vectorizable,
>> as it feels like a textbook example of such operations).
>
> If only. Then we wouldn't have this problem, would we.
Free to, not required to ;)
Thanks for pushing your patch. I'm still unsure if the machine specific
knowledge here helps, but this is an improvement nonetheless.
Have a lovely day.
--
Arsen Arsenović
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Re: HAVE_FAST_UNALIGNED_ACCESS, Mattias Engdegård, 2023/03/30
Re: HAVE_FAST_UNALIGNED_ACCESS, Vibhav Pant, 2023/03/30