I think Itanium VMS Fortran can run in D-format. The real and double precision numbers have the same exponent format (and therefore range). Double precision just has an additional 32 bits of precision at the low precision end. A side effect is that you can read a single precision value from the address of a double precision variable. This was common practice and makes migration to IEEE exciting.
Gould-SEL numbers have the same characteristic but the exponent is HEX. But the Fortran is extended FORTRAN 77.