[vector-api] draft CSR for vector compress expand

[Ningsheng Jian]

On 11/17/21 8:36 AM, Viswanathan, Sandhya wrote:
> We will need help from Eric or Ningsheng for merging master into vectorIntrinsics. There is conflict in aarch64 files:
> 
>   both modified:   src/hotspot/cpu/aarch64/aarch64_sve.ad
>   both modified:   src/hotspot/cpu/aarch64/aarch64_sve_ad.m4
>   both modified:   src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
>   both modified:   src/hotspot/cpu/aarch64/register_aarch64.hpp
>   both modified:   test/hotspot/gtest/aarch64/asmtest.out.h
> 

I have created the merge PR: 
https://github.com/openjdk/panama-vector/pull/165

Thanks,
Ningsheng