From: Julian Seward <jseward@acm.org>
To: Rob Landley <rob@landley.net>
Cc: Tim Olson <tim@io.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] SSE 'maxps' instruction bug?
Date: Fri, 16 Mar 2007 18:10:35 +0000 [thread overview]
Message-ID: <200703161810.35979.jseward@acm.org> (raw)
In-Reply-To: <200703161407.50228.rob@landley.net>
On Friday 16 March 2007 18:07, Rob Landley wrote:
> On Tuesday 13 March 2007 10:21 pm, Julian Seward wrote:
> > > 0.9.0, or that the compiler/host combination used to build the qemu
> > > binary Julian is running generated bad code for the float compares.
> >
> > I used gcc 3.4.6 bootstrapped as normal ('make bootstrap; make install')
> > on a 64-bit machine. If it is qemu generating bad code due to variations
> > in gcc behaviour, that's another argument in favour of scrapping the gcc
> > 3.X based backend and using a self contained, handwritten insn selector
> > and register allocator.
>
> Are you referring to https://nowt.dyndns.org/ or something else?
I was referring to an idea, of which the nowt thing is an implementation.
I'm not aware of any other such backends to qemu.
J
next prev parent reply other threads:[~2007-03-16 18:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-12 14:50 [Qemu-devel] SSE 'maxps' instruction bug? Julian Seward
2007-03-12 16:27 ` malc
2007-03-13 14:03 ` Julian Seward
2007-03-13 23:07 ` Tim Olson
2007-03-14 2:21 ` Julian Seward
2007-03-16 18:07 ` Rob Landley
2007-03-16 18:10 ` Julian Seward [this message]
2007-03-16 20:17 ` Rob Landley
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