[jdk21u-dev] RFR: 8328938: C2 SuperWord: disable vectorization for large stride and scale [v2]

Aleksey Shipilev shade at openjdk.org
Thu May 2 09:35:55 UTC 2024


On Thu, 18 Apr 2024 15:57:49 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Check if stride is actually con before touching iv_stride
>
> Thanks!

> Hi @shipilev, does the backport to 22 require a third version? Or would it be clean, or would the 21 version work for 22?

Yes, JDK 22 version would be a third variant. Neither JDK 23 nor JDK 21 version works there cleanly. So I would prefer to just leave JDK 22 be.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/495#issuecomment-2090017252


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