[vectorIntrinsics] RFR: 8259536: Add cast nodes between interger types implementation for Arm SVE

[Wang Huang]

On Tue, 12 Jan 2021 03:58:43 GMT, Ningsheng Jian <njian at openjdk.org> wrote:

>> This patch add cast nodes between interger types implementation for Arm SVE like  "VectorCastB2X" "VectorCastI2X " "VectorCastS2X" "VectorCastL2X".
>
> src/hotspot/share/opto/vectorIntrinsics.cpp line 335:
> 
>> 333: bool LibraryCallKit::inline_vector_shuffle_iota() {
>> 334:   // TODO shuffle is not supported on SVE
>> 335:   if (UseSVE > 0) {
> 
> This is AArch64 only option, and should not be used in shared code.

Thank you. I will wrap these codes with aarch64 macro in revised patch.

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

PR: https://git.openjdk.java.net/panama-vector/pull/31