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

[Shaojin Wen]

On Sun, 16 Jun 2024 21:00:41 GMT, Claes Redestad <redestad at openjdk.org> wrote:

>> Shaojin Wen has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   code format
>
> src/java.base/share/classes/jdk/internal/math/ToDecimal.java line 171:
> 
>> 169:     /* Using the deprecated constructor enhances performance */
>> 170:     @SuppressWarnings("deprecation")
>> 171:     static String charsToString(byte[] str, int index) {
> 
> This should be named something like `asciiBytesToString` now. Perhaps `ToDecimal.LATIN1` can be renamed `ASCII`, too.

In JDK internal string processing, LATIN1 and UTF16 appear in pairs, so I think LATIN1 is better.

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PR Review Comment: https://git.openjdk.org/jdk/pull/19730#discussion_r1648846026