RFR: 8336856: Efficient hidden class-based string concatenation strategy [v55]

[Claes Redestad]

On Tue, 13 Aug 2024 16:34:18 GMT, Shaojin Wen <duke at openjdk.org> wrote:

>> This PR implements the same algorithm as the current generateMHInlineCopy based on bytecode to improve startup performance.
>
> Shaojin Wen has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - static final
>  - code style

Sure, specialization is a great topic for future work and research. Ideally we would want something that can leverage the existing framework for profiling and customizing MHs and customize to a specialized form when it's deemed profitable.

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PR Comment: https://git.openjdk.org/jdk/pull/20273#issuecomment-2288464676