RFR: 8287697: Limit auto vectorization to 32-byte vector on Cascade Lake [v3]

[Sandhya Viswanathan]

On Thu, 2 Jun 2022 15:37:16 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Sandhya Viswanathan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Change SuperWordMaxVectorSize to develop option
>
> src/hotspot/cpu/x86/vm_version_x86.cpp line 902:
> 
>> 900:       if (_stepping < 5) {
>> 901:         FLAG_SET_DEFAULT(UseAVX, 2);
>> 902:       }
> 
> What is this change for?

I had some changes in this area before. This is an artifact of that. I will set it back to exactly as it was.

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PR: https://git.openjdk.java.net/jdk/pull/8877