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

[Xiaohong Gong]

On Wed, 31 Mar 2021 02:50:03 GMT, Wang Huang <whuang at openjdk.org> wrote:

> Add Insert float nodes implementation for Arm SVE, like insertD & insertF

src/hotspot/cpu/aarch64/aarch64_sve.ad line 3317:

> 3315:   ins_cost(5 * SVE_COST);
> 3316:   format %{ "sve_index $tmp, S, 0, 1\n\t"
> 3317:             "sve_dup $tmp2, S, $idx\n\t"

Since there is `(F)` at the end of the format, is the type info `S` really needed here? I just think it's inconsistent with the following formats which do not have the type info inside.

-------------

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