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From: Sam James <sam@gentoo.org>
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Subject: Re: master 8c81818673a 6/7: Tune volatile in read_char
Date: Sun, 18 Aug 2024 22:57:08 +0100
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Cc: Andrea Corallo <acorallo@gnu.org>,  emacs-devel@gnu.org
To: Paul Eggert <eggert@cs.ucla.edu>
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Paul Eggert <eggert@cs.ucla.edu> writes:

> On 2024-08-18 00:39, Andrea Corallo wrote:
>> Has this optimization any measurable effect?
>
> On my platform (Ubuntu 24.04 LTS, x86-64, gcc -O2) it shrinks the size
> of read_char's machine code by 5%.

Could you include that information in the commit message in future?