RFR: 8320649: C2: Optimize scoped values [v9]

[Emanuel Peter]

On Wed, 6 Mar 2024 13:48:36 GMT, Roland Westrelin <roland at openjdk.org> wrote:

>> Roland Westrelin has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   32 bit build fix
>
> I pushed a new set of changes that:
> 1) address most of your comments
> 2) fix the merge conflict.
> I didn't make the change you suggested to the comments because, for pattern matching, I use the actual java code from `ScopedValue.get()`. I think it's easier that way to see what's being pattern matched.

@rwestrel nice! I'll run our testing again, now that it is merged.

FYI: you have some whitespace issues in:
`src/hotspot/share/opto/callGenerator.cpp`

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PR Comment: https://git.openjdk.org/jdk/pull/16966#issuecomment-1982809402