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From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Mon, 7 Mar 2022 06:09:24 -0800
Message-ID: <CAMe9rOr-ssBsdYh9wNdP08XzGeQz1YrstMfK59dX+1aeO+8rdg@mail.gmail.com>
Subject: Re: x86: IAMCU, L1OM, and K1OM
To: Jan Beulich <jbeulich@suse.com>
Cc: Binutils <binutils@sourceware.org>
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On Mon, Mar 7, 2022 at 3:04 AM Jan Beulich <jbeulich@suse.com> wrote:
>
> H.J.,
>
> may I ask what the status / purpose of these is? They were added years
> ago, but actually useful functionality has never appeared. Since I've
> noticed a couple of issues with the involved gas code, I'm now
> wondering: Should I try to make fixes, or can the logic rather be
> purged altogether? Even if the overhead isn't high, the presence of
> support for these not really usable sub-architectures is causing some
> extra cycles to be wasted on each and every gas invocation.
>
> Thanks for any insight into possible plans here,
> Jan
>

We can deprecate L1OM and K1OM.  But we should
keep IAMCU.

Thanks.

-- 
H.J.