From: Stefan Israelsson Tampe <stefan.itampe@gmail.com>
To: Mark H Weaver <mhw@netris.org>
Cc: 21883@debbugs.gnu.org, Zefram <zefram@fysh.org>
Subject: bug#21883: unnecessary bit shifting range limits
Date: Mon, 15 Oct 2018 09:08:51 +0200 [thread overview]
Message-ID: <CAGua6m0iuBz3rSzYz_=NJD1a3KOEivdEQGF6VkYDq8GNaqCXKQ@mail.gmail.com> (raw)
In-Reply-To: <87a7ngtblz.fsf@netris.org>
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i think you got it. sorry for the fuzz.
Den 15 okt 2018 12:19 AM skrev "Mark H Weaver" <mhw@netris.org>:
> Stefan Israelsson Tampe <stefan.itampe@gmail.com> writes:
> > how would this slow down the code. just add the correction where you
> > throw the exception which should be in a branch outside the hot path.
>
> If you have a suggestion that's simpler than what I did in commits
> 011aec7e, 9448a078, and 1990aa91, and just as fast in the common cases,
> feel free to propose a patch. The words above are insufficient.
>
> Mark
>
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prev parent reply other threads:[~2018-10-15 7:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-12 7:07 bug#21883: unnecessary bit shifting range limits Zefram
2018-10-14 8:18 ` Mark H Weaver
[not found] ` <CAGua6m1D3Ed-T3GJntfZr5QesTvR_Gf1-JbsiAetdoxBGkce_w@mail.gmail.com>
[not found] ` <CAGua6m1CrfW2jEmQcDn_-1szGQbNcboBa45M6inEE5As6FToXw@mail.gmail.com>
2018-10-14 9:46 ` Stefan Israelsson Tampe
2018-10-14 22:19 ` Mark H Weaver
2018-10-15 7:08 ` Stefan Israelsson Tampe [this message]
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