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bug#30020: floating point unboxing regression in 2.2.3
From: |
Thompson, David |
Subject: |
bug#30020: floating point unboxing regression in 2.2.3 |
Date: |
Mon, 28 May 2018 15:39:56 -0400 |
Hi Mark,
On Mon, May 28, 2018 at 2:21 AM, Mark H Weaver <address@hidden> 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 <address@hidden>
> 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