RFR: 8351635: C2 ROR/ROL: assert failed: Long constant expected [v2]

[Tobias Hartmann]

On Tue, 3 Jun 2025 08:35:20 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> This bug fix patch relaxes the strict assertion check to allow other pattern matches for degenerated long vector ROL/ROR operations with non-constant scalar shift values.  
>> 
>> Kindly review and share feedback.
>> 
>> Best Regards,
>> Jatin
>
> Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update test/hotspot/jtreg/compiler/vectorapi/TestVectorRotateScalarCount.java
>   
>   Co-authored-by: Tobias Hartmann <tobias.hartmann at oracle.com>

Looks good to me. All tests passed.

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Marked as reviewed by thartmann (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25493#pullrequestreview-2891957732