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From: imp@bsdimp.com (Warner Losh)
Subject: [TUHS] pdp-11 assembly as a hll?
Date: Wed, 14 Feb 2018 09:56:44 -0700	[thread overview]
Message-ID: <CANCZdfrBp0wcc1o_3wW4YsS_5fH+QUtJe-e0UivLWcgfK_32nA@mail.gmail.com> (raw)
In-Reply-To: <CABH=_VRbiuUBVuNHCPq2WjQkU3R5H+q8JCa0XySDDzvf59hP0Q@mail.gmail.com>

On Wed, Feb 14, 2018 at 9:03 AM, Paul Winalski <paul.winalski at gmail.com>
wrote:

> On 2/13/18, Warner Losh <imp at bsdimp.com> wrote:
> > I don't suppose anybody has written a pdp-11 assembler to C translator...
> > My google fu is insufficient for the day.
> >
> Or you could write a compiler that translates PDP-11 assembler to LLVM
> intermediate language.  That was the technique used to port VMS to the
> DEC Alpha and Intel Itanium.  A lot of VMS was in VAX assembler, so
> DEC's compiler group wrote a compiler that took in VAX assembler and
> generated IL for the GEM back end used by all of DEC's Alpha and
> Itanium compilers.
>

Yea, I was kinda hoping someone else had already done the translation for
basic. But it actually looks to be from v5, using the v5 calling
conventions and library routines now that I have had a chance to study it.

Warner
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  reply	other threads:[~2018-02-14 16:56 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-14  1:08 Warner Losh
2018-02-14  3:18 ` Dave Horsfall
2018-02-14  5:12   ` Warner Losh
2018-02-14  6:43     ` Dave Horsfall
2018-02-14  7:27     ` Bakul Shah
2018-02-14  7:28   ` Ian Zimmerman
2018-02-14 16:03 ` Paul Winalski
2018-02-14 16:56   ` Warner Losh [this message]
2018-02-14  8:41 Paul Ruizendaal
2018-02-14 13:15 Noel Chiappa

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