RFR: 8339573: Update CodeCacheSegmentSize and CodeEntryAlignment for ARM [v3]

[Vladimir Kozlov]

On Wed, 9 Oct 2024 18:17:30 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> We pushed into OpenJDK JMH benchmark which is similar to what we use internally:
>> test/micro/org/openjdk/bench/vm/compiler/CodeCacheStress.java
>> 
>> You can try it while we are running our testing.
>
> CodeEntryAlignment=32 has the same regression as CodeEntryAlignment=12.
> And CodeEntryAlignment=64 has no regression

All runs with CodeCacheSegmentSize=64

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PR Review Comment: https://git.openjdk.org/jdk/pull/20864#discussion_r1793967494