On Tue, 9 Jan 2024 13:30:58 GMT, Adam Sotona <asot...@openjdk.org> wrote:

>> ClassFile API performance related improvements have been separated from 
>> #17121 into this PR.
>> 
>> These improvements are important to minimize performance regression of
>> 8294961: Convert java.base/java.lang.reflect.ProxyGenerator to use the 
>> Classfile API to generate proxy classes #17121
>> 
>> Please review.
>> 
>> Thanks,
>> Adam
>
> Adam Sotona has updated the pull request incrementally with three additional 
> commits since the last revision:
> 
>  - updated copyright year
>  - reverted custom method slots counting in StackCounter
>  - improved and extended GenerateStackMaps benchmarks and renamed to 
> CodeAttributeTools

src/java.base/share/classes/jdk/internal/classfile/impl/StackMapDecoder.java 
line 83:

> 81:             vtis = new VerificationTypeInfo[methodType.parameterCount()];
> 82:         }
> 83:         for(int pi = 0; pi < methodType.parameterCount(); pi++) {

Suggestion:

        for (int pi = 0; pi < methodType.parameterCount(); pi++) {

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/17306#discussion_r1452009672

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