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000071_Philip.Blundell@pobox.com _Tue Dec 30 16:40:21 1997.msg
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To: Matthew Wilcox <willy@odie.barnet.ac.uk>
cc: linux-arm@vger.rutgers.edu
Subject: Re: new patch
In-reply-to: Your message of "Tue, 30 Dec 1997 13:02:18 GMT."
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Date: Tue, 30 Dec 1997 14:50:34 +0000
From: Philip Blundell <Philip.Blundell@pobox.com>
Message-Id: <E0xn306-0003rD-00@paddington.london.uk.eu.org>
Status: RO
>Hmm... I may be able to shed some light here. I finally got a prerelease
>of gcc 2.8 installed, recompiled it with itself, everything seemed great,
>examined some of the assembler produced and it was significantly better.
>Recompiled my kernel with it and now it hangs after it prints `Now
>booting kernel'. Naturally I have a backup kernel for this eventuality ;-)
>
>Perhaps this patch fixes this. I'm going to try it out.
The gcc 2.8 prerelease sometimes has problems with `short' values that aren't
on 32-bit boundaries. To work around this you need to add
`-mshort-load-bytes' to your compiler options. I'd be surprised if this was
causing your hangs though.
I'm not aware of anything my patch changed that would fix your problems,
I'm afraid. I've had kernels compiled with the new gcc working on my A5000
but I don't have a RiscPC to test on.
p.