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Date: Wed, 24 Mar 2021 16:07:08 -0500
From: Segher Boessenkool <segher@kernel.crashing.org>
To: Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [RFC PATCH 6/8] powerpc/mm/book3s64/hash: drop pre 2.06 tlbiel
 for clang
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On Wed, Mar 24, 2021 at 10:51:05AM -0500, Segher Boessenkool wrote:
> The variants with fewer operands have those coded as 0 in the
> instruction.  All of this is backwards compatible.

I was reminded that this is broken in ISA 2.03.  Ouch.


Segher