[lworld+vector] RFR: 8307715: Integrate VectorMask/Shuffle with value/primitive classes [v2]

[Xiaohong Gong]

On Thu, 18 May 2023 10:31:20 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>>> > > I am seeing some new regression failures with -XX:TieredStopAtLevel=3 and -XX:-TieredCompilation. Can you kindly check. Relevant test : Float256VectorTest.java.
>>> > 
>>> > 
>>> > Sure, I will run this test. Thanks!
>>> 
>>> There are some failures that are related to the `larval` state check, and deoptimization issue for a multifield, which I think is not related this patch. And I have created a local fix to the multifield deoptimization issue and will push it in future. Besides, did you see any other known failures before? Thanks!
>> 
>> 
>> 
>>> > > I am seeing some new regression failures with -XX:TieredStopAtLevel=3 and -XX:-TieredCompilation. Can you kindly check. Relevant test : Float256VectorTest.java.
>>> > 
>>> > 
>>> > Sure, I will run this test. Thanks!
>>> 
>>> There are some failures that are related to the `larval` state check, and deoptimization issue for a multifield, which I think is not related this patch. And I have created a local fix to the multifield deoptimization issue and will push it in future. Besides, did you see any other known failures before? Thanks!
>> 
>> I saw some failures with -XX:TieredStopAtLevel=3 which is C1 compilation, I am not sure if they are related to de-optimization. 
>> Attaching relevant hs_err log.
>> [hs_err_pid717512.log](https://github.com/openjdk/valhalla/files/11506800/hs_err_pid717512.log)
>
>> > > I am seeing some new regression failures with -XX:TieredStopAtLevel=3 and -XX:-TieredCompilation. Can you kindly check. Relevant test : Float256VectorTest.java.
>> > 
>> > 
>> > Sure, I will run this test. Thanks!
>> 
>> There are some failures that are related to the `larval` state check, and deoptimization issue for a multifield, which I think is not related this patch. And I have created a local fix to the multifield deoptimization issue and will push it in future. Besides, did you see any other known failures before? Thanks!
> 
> With -XX:-TieredCompilation I see following crash right at the start for the regression run, looks like we need to handle [mask type value during rematerialization.](https://github.com/openjdk/valhalla/blob/lworld%2Bvector/src/hotspot/share/runtime/deoptimization.cpp#L1144)
> 
> [hs_err_pid718455.log](https://github.com/openjdk/valhalla/files/11506850/hs_err_pid718455.log)

Hi @jatin-bhateja , could you please help to run and test whether the issue you met is fixed with the latest commit? I met other regressions and am working in progress to see what is going on. Thanks a lot!

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PR Comment: https://git.openjdk.org/valhalla/pull/845#issuecomment-1554056248