On Thu, 7 May 2026 16:16:18 GMT, Markus Grönlund <[email protected]> wrote:

>> I don't have any other comments, thanks for taking this on.
>
>> I don't have any other comments, thanks for taking this on.
> 
> Many thanks for reviewing this, @AlanBateman. Cheers.

@mgronlun  how important `jdk.jfr.internal.JVM::getClassId`?

While looking on external addresses referenced in C2 intrinsics we noticed that 
JFR's `getClassId` is not generated:

1214  456    b    4       jdk.jfr.jvm.TestJFRIntrinsic::getClassIdIntrinsic (22 
bytes)
                              @ 1   jdk.jfr.internal.JVM::getClassId (0 bytes)  
 failed to inline: native method

`_getClassId` is missing in LibraryCallKit::try_to_inline() and 
C2Compiler::is_intrinsic_supported(). Even so we have 
`LibraryCallKit::inline_native_classID()`.

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

PR Comment: https://git.openjdk.org/jdk/pull/30922#issuecomment-4401043001

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