RFR: 8255210: [Vector API] jdk/incubator/vector/Int256VectorTests.java crashes on AVX512 machines

[Sandhya Viswanathan]

On Thu, 22 Oct 2020 16:48:54 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> Hi all,
>> 
>> Please review the fix of an AVX512 crash for Vector API.
>> The reason is that reductionI in x86.ad didn't use legVec for code generation, which is required by Assembler::vphaddd.
>> 
>> Testing:
>>  - test/jdk/jdk/incubator/vector all passed on both AVX256 and AVX512 machines
>> 
>> Thanks.
>> Best regards,
>> Jie
>
> LGTM based on same changes made previously for short vectors.
> Good if Sandhya (@sviswa7) et. al. can review also.

The fix looks good to me as well.

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

PR: https://git.openjdk.java.net/jdk/pull/791