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From: Matt Turner <mattst88@gentoo.org>
Date: Mon, 5 May 2014 16:36:31 -0700
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Subject: Re: [gentoo-mips] Reducing the number of the MIPS supported stages
To: gentoo-mips@lists.gentoo.org
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On Mon, May 5, 2014 at 3:02 PM, Joshua Kinard <kumba@gentoo.org> wrote:
> I cannot speak for anything outside of the standard/original MIPS ISAs, but
> I thought we killed off mips1 long ago. When did that come back? Almost
> anything out there should be able to handle mips2 at a bare minimum (only
> R2000 and R3000-based systems, like certain DECStations, would need mips1).
> mips2 is also the branch point for the mips32r* ISAs, so if any of the
> original, 32-bit ISAs should be kept, that would be mips2. mips1 can go.
We've had this discussion before. If you're going to have >mips2
stages, then there's zero reason to have mips2 stages since mips2
effectively doesn't exist.
mips1 is a significantly smaller build than other stages, since
there's only one ABI. It's really not much time, relatively speaking.