[lworld+vector] RFR: 8314980: [lworld+vector] consider scalarization conditions during ciMultiField creation. [v2]

[Xiaohong Gong]

On Fri, 25 Aug 2023 05:10:04 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> Patch adds a new API _ciEnv::is_multifield_scalarized_, to scalarize multifield (ciField[s]) in case target vector cannot accommodate multifield bundle size, else it creates a hierarchical structure ciMultiField and expose entire multifield bundle as one field to C2 compiler.
>> 
>> This cleans up special handling done in C2 compiler, ci field query APIs and object reconstruction handling  at SafePoint.
>> 
>> Please review and share your feedback.
>> 
>> Best Regards,
>> Jatin
>
> Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove unused function declaration.

Hi @jatin-bhateja, thanks for this refactoring! Code is much cleaner to me. So does it also need to clean the special handling for multifields in c1/interpreter (e.g. `deoptimize.cpp`) ? Thanks!

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

PR Comment: https://git.openjdk.org/valhalla/pull/918#issuecomment-1694893153