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From: "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups: comp.arch
Subject: Re: arm ldxr/stxr vs cas
Date: Sat, 7 Sep 2024 16:16:35 -0700
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On 9/7/2024 4:14 PM, Chris M. Thomasson wrote:
[...]
> When I am using CAS I don't really expect it to fail willy nilly even if 
> the comparands are still the same. Weak vs Strong. Still irks me a bit. ;^)

There are algorithms out there, usually state machines that depend on 
strong cas. When a CAS fails, it depends on it failing because the 
comparands were actually different...