[vectorIntrinsics] RFR: 8265196: Add LoadShuffle nodes implementation for Arm SVE [v2]

[Xiaohong Gong]

On Thu, 15 Apr 2021 04:37:09 GMT, Wang Huang <whuang at openjdk.org> wrote:

>> * Add VectorLoadShuffle nodes implementation for Arm SVE, like loadshuffleB/S/I/L
>
> Wang Huang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix style

src/hotspot/cpu/aarch64/aarch64_sve.ad line 3986:

> 3984:   ins_encode %{
> 3985:     __ sve_orr(as_FloatRegister($dst$$reg), as_FloatRegister($src$$reg), as_FloatRegister($src$$reg));
> 3986:   %}

No need to emit the move if dst and src are the same register?

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PR: https://git.openjdk.java.net/panama-vector/pull/67