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Date: Tue, 1 Jul 2014 18:50:36 +0100
From: Al Viro <viro@ZenIV.linux.org.uk>
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Sender: Al Viro <viro@ftp.linux.org.uk>
Subject: Re: [Qemu-devel] [RFC] alpha qemu arithmetic exceptions
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To: Richard Henderson <rth@twiddle.net>
Cc: qemu-devel@nongnu.org

On Tue, Jul 01, 2014 at 10:03:06AM -0700, Richard Henderson wrote:
> On 06/30/2014 01:56 PM, Al Viro wrote:
> > On Mon, Jun 30, 2014 at 11:39:43AM -0700, Richard Henderson wrote:
> > 
> >> Looks good.
> >>
> >> I've split it up into a couple of smaller patches, made some sylistic tweaks
> >> and pushed it to
> >>
> >>   git://github.com/rth7680/qemu.git axp-next
> >>
> >> I'm starting to do some testing now, but a glance though would be helpful.
> >> Especially to see if I didn't make some silly mistake in the process.
> 
> Hmm.  I've just gotten through glibc testing and there are quite a few failures
> of the form
> 
> Failure: nearbyint (4.5): Exception "Inexact" set
> 
> in math/test-double.out.
> 
> Any chance you can run the glibc math tests against real hardware and see if
> these pass?  I have a feeling that qemu is now signaling inexact when the
> hardware doesn't for "/SU" (but not /SUI) instructions.

Which glibc version?  Better yet, could you throw preprocessed source
my way?  UP1000 box is not in a good shape and I'd rather avoid trying to run
full glibc builds on it ;-/