Fixed double quadword routines to work for little or big endian hosts.
Fixed double quadword routines to work for little or big endian hosts.

dariaphoebe/bochs,dariaphoebe/bochs,dbrashear/bochs,dariaphoebe/bochs,dariaphoebe/bochs,dbrashear/bochs,dbrashear/bochs,dbrashear/bochs,dbrashear/bochs,dariaphoebe/bochs