HP Fortran v 3.0 Release Notes

HP Fortran Release Notes
Tru64 Fortran features (valid for 11.23 on both Itanium-based and PA-RISC systems)
Chapter 116
-threads/-pthread options; recognized and ignored.
-norun option (alternate spelling of +_)
-[no]pad_source options (alternate spelling of +[no]padsrc)
-r8 option (same as +r8)
-fpe0 and -fpe options (maps to ‘+fp_exception -W1,+FPD’)
-fpel option (maps to +fp_exception)
Additionally, the following defaults for Tru64 mode were changed:
+U77 always on
locals on stack (+save)
+nopadsrc
-altparam
For a complete list of the Tru64 options, please refer to the f90(1) manpage.