RFR: 8365832: Optimize FloatingDecimal and DigitList with byte[] and cleanup [v4]

[Raffaello Giulietti]

On Wed, 20 Aug 2025 14:56:27 GMT, Johannes Graham <duke at openjdk.org> wrote:

>> Shaojin Wen has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   bug fix
>
> src/java.base/share/classes/jdk/internal/math/FloatingDecimal.java line 1744:
> 
>> 1742:         }
>> 1743:         byte[] buf = new byte[length];
>> 1744:         for (int i = 0; i < length; i++) {
> 
> `digits` can now be passed directly to  `new ASCIIToBinaryBuffer` without copying it first.

> `digits` can now be passed directly to `new ASCIIToBinaryBuffer` directly without copying it first.

@wenshao Do you intend to simplify this, as suggested by @j3graham?

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PR Review Comment: https://git.openjdk.org/jdk/pull/23311#discussion_r2288540871