[vectorIntrinsics] RFR: 8266720: Wrong implementation in LibraryCallKit::inline_vector_shuffle_iota

[Wang Huang]

On Fri, 14 May 2021 03:53:13 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

>>> Currently making it work well for <= 1024-bits makes sense to me. We can revisit this issue after the API issues for vector length > 1024-bits are fixed in future.
>> 
>> If so, we need at least some comments or even length check to not inline for unsupported vector lengths?
>
> Agree with @nsjian ! Thanks!

If we use `ge 1024` ,  we will add two more nodes. It is a extra cost here?

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PR: https://git.openjdk.java.net/panama-vector/pull/81