Re: [Qemu-devel] [PATCH v3 2/6] Add copy and constant propagation.

[Stefan Weil]

Am 03.08.2011 22:20, schrieb Blue Swirl:
> On Wed, Aug 3, 2011 at 7:00 PM, Stefan Weil <address@hidden> wrote:
> > Am 07.07.2011 14:37, schrieb Kirill Batuzov:
> > > Make tcg_constant_folding do copy and constant propagation. It is a
> > > preparational work before actual constant folding.
> > >
> > > Signed-off-by: Kirill Batuzov<address@hidden>
> > > ---
> > >  tcg/optimize.c |  182
> > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
> > >  1 files changed, 180 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/tcg/optimize.c b/tcg/optimize.c
> > > index c7c7da9..f8afe71 100644
> > > --- a/tcg/optimize.c
> > > +++ b/tcg/optimize.c
> >
> > ...
> >
> > This patch breaks QEMU on 32 bit hosts (tested on 386 Linux
> > and w32 hosts). Simply running qemu (BIOS only) terminates
> > with abort(). As the error is easy to reproduce, I don't provide
> > a stack frame here.
>
> I can't reproduce, i386/Linux and win32 versions of i386, Sparc32 and
> Sparc64 emulators work fine.
>
> Maybe you have a stale build (bug in Makefile dependencies)?

Sorry, an important information was wrong / missing in my report.
It's not qemu, but qemu-system-x86_64 which fails to work.

I just tested it once more with a new build:

$ bin/x86_64-softmmu/qemu-system-x86_64 -L pc-bios
/qemu/tcg/tcg.c:1646: tcg fatal error
Abgebrochen

Cheers,
Stefan