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From: Stefan Ring <stefanrin@gmail.com>
Date: Fri, 25 Feb 2022 09:35:06 +0100
Message-ID: <CAAxjCEy5qGPpBoKFm1giapd7NWdz9agf-b2E1L4XQV3mqLgFaQ@mail.gmail.com>
Subject: Re: Libatomic 16B
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On Thu, Feb 24, 2022 at 9:39 PM Satish Vasudeva via Gcc-help
<gcc-help@gcc.gnu.org> wrote:
>
> Please let into this intel architecture manual , section 8.1.1
>
> https://cdrdv2.intel.com/v1/dl/getContent/671190
>
> I think Intel claims 16B operations are atomic , unless I am missing
> something.

Interesting. This seems to be a somewhat recent addition, and the
mailing list discussion linked to above predates it. Coincidentally, I
pulled a copy of the Intel manuals at almost exactly the same time as
this discussion, and sure enough, it does not yet contain the
paragraph about 16 byte operations.