RFR: 8334328: Reduce object allocation for FloatToDecimal and DoubleToDecimal [v8]

[Raffaello Giulietti]

On Tue, 25 Jun 2024 01:58:29 GMT, Shaojin Wen <duke at openjdk.org> wrote:

>> Just suggesting some improvements
>
> All suggestions have been fixed, can this PR be integrated? @cl4es  @liach

@wenshao Looks good, thanks for the improvements.

Let me know when you are finished with your changes.
Once approved, you should refrain from adding other commits without further approvals.

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PR Comment: https://git.openjdk.org/jdk/pull/19730#issuecomment-2191464714