[cpp-threads] Brief example SPARC TSO Implementation for C/C++ MemoryModel

[Alexander Terekhov]

(cmpxchg aside for a moment)

Load Relaxed:  ld
Load Consume:  ld
Load Acquire:  ld
Load Seq_Cst:  membar #StoreLoad,ld
Store Relaxed: st
Store Release: st
Store Seq Cst: st,membar #StoreLoad
Consume Fence: <ignore>
Acquire Fence: <ignore>
Release Fence: <ignore>
Acq_Rel Fence: <ignore>
Seq_Cst Fence: membar #StoreLoad

Any objections and/or questions?

TIA.

regards,
alexander.