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Subject: Re: [PATCH libatomic/arm] avoid warning on constant addresses (PR
 101379)
To: Thomas Schwinge <thomas@codesourcery.com>, Martin Sebor <msebor@gmail.com>
CC: <gcc-patches@gcc.gnu.org>, Hafiz Abid Qadeer <abidh@codesourcery.com>
References: <816ce216-bf6a-75ca-4241-4861ec43ab27@gmail.com>
 <87pmvii29w.fsf@euler.schwinge.homeip.net>
From: Andrew Stubbs <ams@codesourcery.com>
Message-ID: <2e085663-b619-5240-6a40-961420341ebd@codesourcery.com>
Date: Sat, 17 Jul 2021 23:28:45 +0100
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On 16/07/2021 18:42, Thomas Schwinge wrote:
> Of course, we may simply re-work the libgomp/GCN code -- but don't we
> first need to answer the question whether the current code is actually
> "bad"?  Aren't we going to get a lot of similar reports from
> kernel/embedded/other low-level software developers, once this is out in
> the wild?  I mean:

GCN already uses address 4 for this value because address 0 caused 
problems with null-pointer checks.

It really ought not be this hard. :-(

Andrew