RFR: 8367129: Move input validation checks to Java for java.lang.StringLatin1 intrinsics [v5]

[Volkan Yazici]

On Tue, 10 Feb 2026 16:36:18 GMT, Damon Fenacci <dfenacci at openjdk.org> wrote:

>> Volkan Yazici has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 16 additional commits since the last revision:
>> 
>>  - Merge remote-tracking branch 'upstream/master' into sLatin1Intr
>>  - Remove redundant checks in `indexOf0(byte[] value, byte[] str)`
>>  - More `indexOf` et al. guards and other review feedback
>>  - Use `vmIntrinsics::*` to refer to intrinsics from Java
>>  - Improve vertical alignment in `vmIntrinsics.hpp`
>>  - Apply review feedback
>>  - More doc updates
>>  - Reflect that `VerifyIntrinsicChecks` is removed
>>  - Merge remote-tracking branch 'upstream/master' into sLatin1Intr
>>  - Fix `Helper`
>>  - ... and 6 more: https://git.openjdk.org/jdk/compare/bf17641f...6eb75a06
>
> Thanks for looking into this @vy! I left a couple of comments/questions (I've mostly checked the intrinsic part).

@dafedafe, @RogerRiggs, @rgiulietti, thank you so much for your kind assistance and reviews. I needed some extra time to check the performance implications of the changes (i.e., 6eb75a06d94), but they look good. Tier 1-2 is clear too.

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PR Comment: https://git.openjdk.org/jdk/pull/28832#issuecomment-3935864428