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Re: [Qemu-devel] SSE 'maxps' instruction bug?
From: |
Julian Seward |
Subject: |
Re: [Qemu-devel] SSE 'maxps' instruction bug? |
Date: |
Fri, 16 Mar 2007 18:10:35 +0000 |
User-agent: |
KMail/1.9.5 |
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