- This will allow loading / storing elements from / to non-contiguous locations of a memory segments into / from a vector.
- Support should also allow gather / scatter operations over mismatched memory segments.
- Extend existing memory segment vector [masked] load-store APIs to accept a long vector holding location offsets.

Please refer to John Rose's notes for more details.
https://github.com/openjdk/panama-vector/pull/201#issuecomment-1143927843