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From: "Arsen Arsenović" <arsen@aarsen.me>
To: "Mattias Engdegård" <mattiase@acm.org>
Cc: Eli Zaretskii <eliz@gnu.org>, Robert Pluim <rpluim@gmail.com>,
	luangruo@yahoo.com, emacs-devel@gnu.org,
	Sam James <sam@gentoo.org>
Subject: Re: HAVE_FAST_UNALIGNED_ACCESS
Date: Fri, 31 Mar 2023 22:13:38 +0200	[thread overview]
Message-ID: <86r0t41xuj.fsf@aarsen.me> (raw)
In-Reply-To: <D5B4ABA7-AACC-4BEB-A227-C7F41A200014@acm.org>

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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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  reply	other threads:[~2023-03-31 20:13 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-30  9:34 HAVE_FAST_UNALIGNED_ACCESS Robert Pluim
2023-03-30 10:26 ` HAVE_FAST_UNALIGNED_ACCESS Eli Zaretskii
2023-03-30 11:09   ` HAVE_FAST_UNALIGNED_ACCESS Sam James
2023-03-30 12:18   ` HAVE_FAST_UNALIGNED_ACCESS Arsen Arsenović
     [not found]     ` <87v8ihu3t8.fsf@yahoo.com>
2023-03-31  7:15       ` HAVE_FAST_UNALIGNED_ACCESS Robert Pluim
2023-03-31  7:45       ` HAVE_FAST_UNALIGNED_ACCESS Arsen Arsenović
2023-03-31 17:29     ` HAVE_FAST_UNALIGNED_ACCESS Mattias Engdegård
2023-03-31 20:13       ` Arsen Arsenović [this message]
2023-03-30 10:28 ` HAVE_FAST_UNALIGNED_ACCESS Mattias Engdegård
2023-03-30 11:38 ` HAVE_FAST_UNALIGNED_ACCESS Vibhav Pant
2023-03-31 16:57   ` HAVE_FAST_UNALIGNED_ACCESS Mattias Engdegård
2023-03-31 17:59     ` HAVE_FAST_UNALIGNED_ACCESS Eli Zaretskii
2023-03-31 18:03       ` HAVE_FAST_UNALIGNED_ACCESS Mattias Engdegård
2023-03-31 18:12         ` HAVE_FAST_UNALIGNED_ACCESS Eli Zaretskii
2023-04-01  0:45         ` HAVE_FAST_UNALIGNED_ACCESS Po Lu
2023-04-01  5:43           ` HAVE_FAST_UNALIGNED_ACCESS Eli Zaretskii
2023-04-01  6:31             ` HAVE_FAST_UNALIGNED_ACCESS Po Lu
2023-04-01  6:39               ` HAVE_FAST_UNALIGNED_ACCESS Eli Zaretskii
2023-04-01  7:42                 ` HAVE_FAST_UNALIGNED_ACCESS Mattias Engdegård
2023-04-01  8:19                   ` HAVE_FAST_UNALIGNED_ACCESS Eli Zaretskii
2023-04-01  9:17                     ` HAVE_FAST_UNALIGNED_ACCESS Po Lu
2023-04-01 11:25                       ` HAVE_FAST_UNALIGNED_ACCESS Eli Zaretskii
2023-04-01 12:59                         ` HAVE_FAST_UNALIGNED_ACCESS Arsen Arsenović
2023-04-01 13:33                           ` HAVE_FAST_UNALIGNED_ACCESS Eli Zaretskii
2023-04-01 15:22                             ` HAVE_FAST_UNALIGNED_ACCESS Arsen Arsenović
2023-04-01 16:22                               ` HAVE_FAST_UNALIGNED_ACCESS Eli Zaretskii
2023-04-02  0:50                                 ` HAVE_FAST_UNALIGNED_ACCESS Po Lu
2023-04-02  0:48                             ` HAVE_FAST_UNALIGNED_ACCESS Po Lu

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