RFR: 8369123: Still more small Float16 refactorings [v2]

[Raffaello Giulietti]

On Tue, 7 Oct 2025 16:09:44 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>>> > For the use of regex, is it an aesthetics question or a JDK bootstrapping question?
>>> 
>>> Thanks for your consideration. This particular regex seems fine aesthetically.
>>> 
>>> Having been bitten by performance suprises in the past, it raises my eyebrows when regex-dependent String functions are used in platform, library or otherwise low-level code. This looks like an edge-case, and as you note it is pre-existing. So yes, probably fine.
>> 
>> Use of regex does merit some scrutiny, easy to write a regex that can run in exponential time.
>
>> @jddarcy To address @eirbjo concerns about using a regex, what about `s.replace("-1022", "-14")` instead? There should be no ambiguity in this specific case.
> 
> I'd prefer to do that in follow-up work that updated Float and Float16 at the same time.

@jddarcy Ah OK, I didn't note that the same "trick" is used in `Float` as well.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/27625#issuecomment-3377633036