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From: Michael S <already5chosen@yahoo.com>
Newsgroups: comp.arch
Subject: Re: except what, is Vax addressing sane today
Date: Tue, 24 Sep 2024 11:00:20 +0300
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On Tue, 24 Sep 2024 00:41:39 -0000 (UTC)
Lawrence D'Oliveiro <ldo@nz.invalid> wrote:

> On Sun, 22 Sep 2024 09:14:04 -0700, Lars Poulsen wrote:
>=20
> > From a programmer's perspective, VAX exception handling was very
> > nice. It may have been high overhead, though. =20
>=20
> Very high overhead. But it was also language-independent, and
> integrated into the procedure-calling convention, which also managed
> to be language- independent.
>=20
> There is an internal memo on Bitsavers somewhere, critiquing a
> proposal to adopt the MIPS architecture (which DEC did, for just one
> machine, the DECstation 3000 if I recall rightly),=20

Much more than one machine.
https://en.wikipedia.org/wiki/DECstation
4 ranges, 13 models.

DEC was quite successful both with MIPS and with x86.
I'd guess, their CPU designers didn't like it.

> and one of the
> points against MIPS was that it didn=E2=80=99t have language-independent
> exception handling. But then no other architecture, before the VAX or
> since, has been able to do that.