[vector] [Byte|Short]Vector: No intrinsics for shift*

[Yang Zhang (Arm Technology China)]

Hi Shravya

Thanks for your work on these missing intrinsics. I'm working on shifts in aarch64 backend. Looking forward to your patch.

Regards
Yang

> Hi Vladimir,
> I'm currently working on the shifts for byte and short and will be sending it out for review shortly. As for the rotate and elemental shifts, we have a plan to intrinsify them as well, maybe by the end of this month.
>
> Thanks,
> Shravya.
>
> -----Original Message-----
> From: panama-dev [mailto:panama-dev-bounces at openjdk.java.net] On
> Behalf Of Vladimir Ivanov
> Sent: Thursday, November 1, 2018 3:47 PM
> To: panama-dev at openjdk.java.net
> Subject: [vector] [Byte|Short]Vector: No intrinsics for shift*
>
> Hi,
>
> I stumbled upon a missing intrinsics for shiftL/shiftR/aShiftR on byte/short vectors [1].
>
> Just curious what's the plan?
>
> PS: while browsing other concrete classes, found that IntVector.[rotate|shift][EL|ER] [2] aren't intrinsified as well. Same question.
>
> Best regards,
> Vladimir Ivanov
>
> [1]
> http://hg.openjdk.java.net/panama/dev/file/aa68196d5ef3/src/jdk.incuba
> tor.vector/share/classes/jdk/incubator/vector/Short256Vector.java#l468
>
> [2]
> http://hg.openjdk.java.net/panama/dev/file/aa68196d5ef3/src/jdk.incuba
> tor.vector/share/classes/jdk/incubator/vector/Int256Vector.java#l872
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