merge SUPER-UX_SX-6_sxmpif90+mpi_dkrz into this optfile.
merge SUPER-UX_SX-6_sxmpif90+mpi_dkrz into this optfile.

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h