RFR: 8352075: Perf regression accessing fields [v28]

[Radim Vansa]

On Tue, 10 Jun 2025 09:05:00 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

>> src/hotspot/share/utilities/packedTable.hpp line 69:
>> 
>>> 67:   // by the supplier (when Supplier::next() returns false the whole array should
>>> 68:   // be filled).
>>> 69:   void fill(u1* table, size_t table_length, Supplier &supplier) const;
>> 
>> Let the ampersand hug the type.
>
> Also seems like this can be a static method?

The class constructor calculates the sizes, masks and bitshift for the arguments.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24847#discussion_r2137482532