RFR: 8352075: Perf regression accessing fields [v23]

[Coleen Phillimore]

On Fri, 6 Jun 2025 16:41:25 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Radim Vansa has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - Add more comments
>>  - Disable search table with dynamic CDS
>
> test/hotspot/jtreg/runtime/FieldStream/LocalFieldLookupTest.java line 30:
> 
>> 28: import static org.objectweb.asm.ClassWriter.COMPUTE_FRAMES;
>> 29: import static org.objectweb.asm.ClassWriter.COMPUTE_MAXS;
>> 30: import static org.objectweb.asm.Opcodes.*;
> 
> Sorry I just noticed this.  Is it possible to write this using the Classfile API?  I think the Classfile API is available in JDK 21 (checking) https://bugs.openjdk.org/browse/JDK-8294982

No, never mind this.  The Classfile API won't be backportable to JDK 21.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24847#discussion_r2132585135