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Date:      Fri, 20 May 2022 11:44:30 +0200
From:      "Floyd, Paul" <pjfloyd@wanadoo.fr>
To:        toolchain@freebsd.org
Subject:   Re: locked instruction testcase failure
Message-ID:  <9d8e2c0d-c49d-4c84-7ee0-7a06c41f1009@wanadoo.fr>
In-Reply-To: <bd187623-bfa4-f4b0-4878-cc7ecbf3dbfd@wanadoo.fr>
References:  <bd187623-bfa4-f4b0-4878-cc7ecbf3dbfd@wanadoo.fr>

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> Any suggestions what can be done? It looks like an issue with the 
> compiler.
>

I've worked around the problem by making one of the functions attribute 
noinline.

Some more details here

https://discourse.llvm.org/t/code-generation-change-between-llvm-11-and-12-amd64/62573/3

Still looks like a compiler bug to me.


A+

Paul




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