Enhancements

The following enhancements have been made to support the addition of new Tru64 Fortran options:

•AddedCLF_TRU64 bit to command-line flags, used to distinguish migration options from ‘regular’ options.

•Added support forCLF_DETACHED_SUB_OPT bit in command-line flags, used to indicate flags with a space-delimited sub-option (-foo bar), not to be confused with flags that take a space-separated argument.

•Added TRU64DRIVERas new (pseudo-) phase in the f90 driver.

•Added/updated Compaq-mode determination code in driver. Now done early in main(), in case other driver components need to know the state of compaq_flagprior to standard options processing.

•Added support for Compaq-mode defaults to be emitted, when they differ from HP-mode.

•Added ‘-align’ option to main table; created tru64_align_flags table for sub-options.

•Made all new -align options conflict with existing +Aand +allow_unalignedoptions.

•Modifed EPC to allow for finer-grained control of alignment attributes forCOMMONs, record fields, and COMMONsderived types (previously, these could not be specified individually).

•Modified BRIDGEto allow U2unaligned record field subtypes to be emitted in 2, 4, and 8 byte record modes (previously only done for packed fields). As with packed fields, this is done for Itanium processor family systems only, since the PA-RISC backend doesn’t assert on this condition.

New options

The following Tru64 Fortran options have been added:

•-fpconstantflag (alternate spelling of -R8)

•-check_bounds(alternatefor-C)

•-[no]cppflags

•-fixed/-freeflags

•-d_lines(synonym for +dlines)

•-integer_size (163264)flag

•-i2,-i4,-i8 flags

•-1, -66, -f66, -nof77, -onetrip(alternate for +onetrip)

•-nof66(alternate for +noonetrip)

•-static, -noautomatic, -norecursiveflags (all alternate spellings of +save)

•-automaticand-recursive (alternates for +nosave)

•-show [no]code(alternate for +[no]asm)

•-[no]machine_code(alternate for +[no]extend_source)

•-col72(alternate for +noextend_source)

•-u(alternate for+implicit_none )

•-names{uppercaselowercase}(alternate for +[no]uppercase)

•-[no]altparam (-Wc, -dps)

•-what(alternate for +what)

•+[no]padsrc flag (not restricted to Tru64 mode). HP mode default is +padsrc

Porting from Tru64 to HP Fortran 149