[Info-vax] GCC for VMS, was: Re: fortran compiler roadmap?

[Johnny Billquist]

On 2013-04-23 17:16, Bob Koehler wrote:
> In article <kl3l7r$9ff$1 at Iltempo.Update.UU.SE>, Johnny Billquist <bqt at softjar.se> writes:
>>
>> Indeed. Fortran-IV-Plus had a lot of things that ended up in the F77
>> standard. F4P was pretty nice, but once F77 came out, DEC stopped the
>> F4P compiler.
>>
>
>     My first 11/780 was running VMS 1.x, and lots of things were in
>     compatability mode.  Don't know about the compiler.
>
>     My next 11/780 arrived at the time of VMS 2.2, and lots of things
>     were still in compatability mode, but DEC told us the only two
>     native compilers were Fortran and COBOL.
>
>     We started interfacing Fortran routines with Macro-32 routines right
>     away, so I don't think the compiler could have been generating
>     PDP-11 object, although it could have had heritage to a
>     cross-compiler from RSX (running in compatability mode but generating
>     VAX object).

Well, if the Fortran compiler was "native" I wouldn't expect it to have 
anything to do with the compatibility mode...

>     I just recall the day I got the last programmer off SOS and on to
>     EDT, and the CPU load went way down.  Seems SOS must have been quite
>     a compatability mode CPU hog.

I've never used SOS. Before EDT on RSX, we had EDI (ugh). :-)

	Johnny