Re: [Qemu-ppc] [Qemu-devel] [PATCH] PPC64: Add support for ldbrx and stdbrx instructions

[David Gibson]

On Wed, Feb 08, 2012 at 10:54:21AM +0400, malc wrote:
> On Wed, 8 Feb 2012, David Gibson wrote:
> 
> > From: Thomas Huth <address@hidden>
> > 
> > These instructions for loading and storing byte-swapped 64-bit values have
> > been introduced in PowerISA 2.06.
> > 
> > Signed-off-by: Thomas Huth <address@hidden>
> > ---
> >  target-ppc/translate.c |   30 ++++++++++++++++++++++++++++++
> >  1 files changed, 30 insertions(+), 0 deletions(-)
> 
> I seem to recall that POWER5 machine i had access to didn't have 
> ld/stdbrx while CBE did have it (or was it the other way around?)
> so question is - is PPC_64B sufficient?

Ah, I think it's not.  I think I spotted that before, but then forgot
about it.  Thanks for the reminder.

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson