Revert isync for ILP32 to sync as per my original change that I discussed with Nathan. Leave __ATOMIC_ACQ as an isync as per Nathan.
Revert isync for ILP32 to sync as per my original change that I discussed
with Nathan. Leave __ATOMIC_ACQ as an isync as per Nathan.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase