HP Fortran Programmer's Guide (September 2007)

Porting to HP Fortran
Using porting options
Chapter 11 247
-[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) man page.