[vectorIntrinsics] RFR: 8264469: Add Insert float nodes implementation for Arm SVE [v5]

[Ningsheng Jian]

On Tue, 6 Apr 2021 03:20:46 GMT, Wang Huang <whuang at openjdk.org> wrote:

>> * Add Insert float nodes implementation for Arm SVE, like insertD & insertF
>> * add fast path by using `cmpeq `(SVE compare vector with immediate). For the range limit of `imm5` is [-16, 15], I shift the index range from [0, 31] to [-16, 15].
>
> Wang Huang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   rename macro

Marked as reviewed by njian (Committer).

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PR: https://git.openjdk.java.net/panama-vector/pull/56