RFR: 8346567: Make Class.getModifiers() non-native [v2]

[Chen Liang]

On Wed, 5 Feb 2025 20:23:05 GMT, Dean Long <dlong at openjdk.org> wrote:

>> Name                      Cnt  Base   Error   Test   Error  Unit  Change
>> getAppArrayModifiers       30 0.923 ± 0.004  1.260 ± 0.001 ns/op   0.73x (p = 0.000*)
>> getAppArrayModifiersFinal  30 0.922 ± 0.000  1.260 ± 0.001 ns/op   0.73x (p = 0.000*)
>> 
>> No it doesn't really help.  There's still an extra load.
>
> OK, if the extra load turns out to be a problem in the future, we could look into why the compilers are generating the load when the Class is known/constant.  If the old intrinsic was able to pull the constant out of the Klass, then surely we can do the same and pull the value from the Class field.

Does `static final` help here?

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PR Review Comment: https://git.openjdk.org/jdk/pull/22652#discussion_r1944083490