qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] Inquiry, speed comparison on OS X, QEMU vs Virtual PC


From: David Woodhouse
Subject: Re: [Qemu-devel] Inquiry, speed comparison on OS X, QEMU vs Virtual PC
Date: Thu, 12 Aug 2004 11:56:02 +0100

On Sat, 2004-07-10 at 15:08 +0200, J. Mayer wrote:
> Le 9 juil. 04, à 22:07, Natalia Portillo a écrit :
> > 
> > > I think that including support for the PowerPC swapping instructions 
> > > in QEMU
> > > will break compatibility with host PowerPCs before G3, so that 
> > > instructions
> > > should be used in a run-time capability detection scheme.
> > >
> 
> On Sat, 2004-07-10 at 14:47, Pierre d'Herbemont wrote:
> > Which PowerPC Implementations? According to The PowerPC Architecture 
> > Book, all the implementation 601,603,604,620 should include support for 
> > the lwbrx and stwbrx instructions.
> 
> I think all PPC include those instructions and gcc already uses them for
> endian-swapping.

I definitely think gcc could do with __attribute__((littleendian)) :)


-- 
dwmw2





reply via email to

[Prev in Thread] Current Thread [Next in Thread]