[foreign-memaccess] Simplifying memory access var handles

[Paul Sandoz]

> On Jun 23, 2020, at 10:58 AM, Maurizio Cimadamore <maurizio.cimadamore at oracle.com> wrote:
> 
> Here's a branch with an initial stab:
> 
> https://github.com/mcimadamore/panama-foreign/tree/simpler-memory-VH
> 
> Lot less code,

A very encouraging sign.


> all benchamarks run as expected.
> 
> I had to add a minor tweak to retain the existing shortcircuiting of the alignment check of the "offset" portion of a memory access in case the VH has been constructed using a layout (in which case alignment checks on offsets are enforced eagerly, on layout construction/VH derivation).
> 

Yeah, it looks a little odd, but its never exposed publicly..

Paul.

> Other than that pretty trivial.
> 
> Maurizio