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From: anton@mips.complang.tuwien.ac.at (Anton Ertl)
Newsgroups: comp.arch
Subject: Re: architectural goals, Byte Addressability And Beyond
Date: Mon, 03 Jun 2024 05:47:50 GMT
Organization: Institut fuer Computersprachen, Technische Universitaet Wien
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Message-ID: <2024Jun3.074750@mips.complang.tuwien.ac.at>
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jgd@cix.co.uk (John Dallman) writes:
>In article <v3hs9o$3c8gd$1@dont-email.me>, tkoenig@netcologne.de (Thomas
>Koenig) wrote:
>
>> There are POWER8 machines on sale on E-bay, on which you can run
>> either Linux or AIX, and bigendian too, if you want.
>
>Yup. Considered that. Their trapping is not as comprehensive as zSeries,
>and I could not justify them. 

SPARCs are big-endian and trap on unaligned access (at least that was
the case when I last used one long ago), while S/370 ff. does not trap
on unaligned access.  What's wrong with SPARC?  What other trapping do
you have in mind?

- anton
-- 
'Anyone trying for "industrial quality" ISA should avoid undefined behavior.'
  Mitch Alsup, <c17fcd89-f024-40e7-a594-88a85ac10d20o@googlegroups.com>