On Fri, 10 Apr 2026 07:26:22 GMT, Jatin Bhateja <[email protected]> wrote:

>> ROL, ROR, LSHL, ASHR, LSHR in VectorOperators.java were declared with 
>> VO_SHIFT but missing VO_NOFP, allowing them to pass the opCode() guard on 
>> floating-point vectors (DoubleVector, FloatVector).
>> 
>> This bug fix patch adds VO_NOFP to all five declarations.
>> 
>> As a result, C2 only compiles the hot code path comprising of opCode() 
>> check, sees the illegalOperation throw an exception, cold path comprising of 
>> VectorSupport.binaryOp intrinsic not compiled and thus flow never reaches 
>> vop2ideal() which generates a fatal error if shift class operation is 
>> performed over floating point type
>> 
>> Please review and share your feedback.
>> 
>> Best Regards,
>> Jatin
>> 
>> ---------
>> - [x] I confirm that I make this contribution in accordance with the 
>> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
>
> Jatin Bhateja 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 three additional 
> commits since the last revision:
> 
>  - Review comments resolution
>  - Merge branch 'master' of http://github.com/openjdk/jdk into JDK-8381579
>  - 8381579: C2: "fatal error: LROTATE: double" when using VectorAPI

Looks good to me, thanks for making the changes.

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

Marked as reviewed by qamai (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/30642#pullrequestreview-4104656473

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