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From: Michael S <already5chosen@yahoo.com>
Newsgroups: comp.arch
Subject: Re: Byte Addressability And Beyond
Date: Sun, 5 May 2024 11:10:55 +0300
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On Sun, 5 May 2024 04:36:34 -0000 (UTC)
Lawrence D'Oliveiro <ldo@nz.invalid> wrote:

> On Sun, 5 May 2024 04:12:49 +0300, Michael S wrote:
> 
> > On Sun, 5 May 2024 00:26:49 -0000 (UTC)
> > Lawrence D'Oliveiro <ldo@nz.invalid> wrote:
> >   
> >> thought that delayed branches were a good idea, and so it remained
> >> saddled with that (mis)feature for the rest of its life.  
> > 
> > Delay slot was deprecated back in MIPSr6,  almost a decade ago.  
> 
> But that would be a backward-incompatible change, would it not?

It would not.
They added a new set of branches, but preserved an old set.
If I understand their intentions correctly, the old stuff was supposed
to be removed in the next release of the ISA. But then two things
happened simultaneously: 
1) they invented nanoMIPS, which made incompatible release of "classic"
MIPS redundant
2) their financial troubles escalated