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From: Grant Edwards <grant.b.edwards@gmail.com>
Subject: [gentoo-user] Re: update fails, but I don't see why
Date: Mon, 14 Dec 2020 23:47:39 -0000 (UTC)
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On 2020-12-14, antlists <antlists@youngman.org.uk> wrote:

> What I would do is find out whatever -march fits the oldest chip, and 
> then set that for all the machines. Especially if, as you say, they're 
> all AMD the chances are the newer chips will be a superset of the old,

FWIW, that's not always the case. Instructions sometiems go away from one
CPU generation to the next.

--
Grant