Simple implementations of the new double quadword functions in   access.cc for SSE[2] implementation by Stanislav.
Simple implementations of the new double quadword functions in
  access.cc for SSE[2] implementation by Stanislav.

marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet