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Article <2024May30.172851@mips.complang.tuwien.ac.at>
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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: Thu, 30 May 2024 15:28:51 GMT
Organization: Institut fuer Computersprachen, Technische Universitaet Wien
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Message-ID: <2024May30.172851@mips.complang.tuwien.ac.at>
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Michael S <already5chosen@yahoo.com> writes:
>On Thu, 30 May 2024 14:08:04 GMT
>scott@slp53.sl.home (Scott Lurndal) wrote:
>> Note that the feature was introduced in Znext (2012).   That it is
>> still there must indicate that it gets some usage.
>> 
>
>Not necessarily.
>After feature was given publicly documented opcode it's very hard to
>remove it.

Even if this reason did not exist, the marketing reason for having
this instruction still exists, so why should they remove it?

>Naturally, I don't know if this particular feature got publicly
>documented opcode and don't know where too look.

These instructions have public opcodes, and I gave an URL and page
number in <2024May29.085955@mips.complang.tuwien.ac.at>.

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