From: "Thompson, David" <dthompson2@worcester.edu>
To: Mark H Weaver <mhw@netris.org>
Cc: 30020@debbugs.gnu.org
Subject: bug#30020: floating point unboxing regression in 2.2.3
Date: Mon, 28 May 2018 15:39:56 -0400 [thread overview]
Message-ID: <CAJ=RwfZjOLFv6XqAZ1OfvmeB-bjEzP2ci-e36fqenqLhXgT20w@mail.gmail.com> (raw)
In-Reply-To: <87lgc4xpu6.fsf@netris.org>
Hi Mark,
On Mon, May 28, 2018 at 2:21 AM, Mark H Weaver <mhw@netris.org> wrote:
> Hi David,
>
> Sorry for the long delay.
No worries!
> I did the moral equivalent of a git bisect, and found the culprit:
>
> commit d4883307ca64a7028b9a6cd072974437306c19d3
> Author: Andy Wingo <wingo@pobox.com>
> Date: Thu Nov 30 10:41:45 2017 +0100
>
> Minor CSE run-time optimization
>
> * module/language/cps/cse.scm (compute-equivalent-subexpressions): Minor
> optimization to reduce the size of equivalent expression keys, and to
> avoid some work if an expression has no key.
Thanks for taking the time to look at it. Curious to know what Andy thinks.
- Dave
next prev parent reply other threads:[~2018-05-28 19:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-08 3:16 bug#30020: floating point unboxing regression in 2.2.3 Thompson, David
2018-05-02 14:11 ` Thompson, David
2018-05-28 6:21 ` Mark H Weaver
2018-05-28 19:39 ` Thompson, David [this message]
2018-06-11 14:26 ` Mark H Weaver
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