Brian, this is the bug report -
https://bugzilla.redhat.com/show_bug.cgi?id=679489

--Nysal

On Thu, Feb 24, 2011 at 3:45 AM, Barrett, Brian W <bwba...@sandia.gov>wrote:

> George -
>
> You're right, I misread the patch.  I've run into the same issue with gcc
> before, but not on x86.
>
> Jay, can you point us to the original bug report?  I couldn't figure out
> how to get from the patch to the bug in your bugzilla.
>
> Brian
>
> On 2/23/11 2:57 PM, "George Bosilca" <bosi...@eecs.utk.edu> wrote:
>
> >If I understand correctly the assembly this change is not related to
> >clobber, but to the input register. Moreover, I don't think the patch is
> >correct. More to come...
> >
> >  george.
> >
> >
> >On Feb 23, 2011, at 16:54 , brbar...@osl.iu.edu wrote:
> >
> >> Author: brbarret
> >> Date: 2011-02-23 16:54:07 EST (Wed, 23 Feb 2011)
> >> New Revision: 24449
> >> URL: https://svn.open-mpi.org/trac/ompi/changeset/24449
> >>
> >> Log:
> >> Fix register clobber list for x86 assembly.  Thanks to Jay Fenlason for
> >>the
> >> patch.
> >>
> >> Text files modified:
> >>   trunk/opal/config/opal_config_asm.m4 |     2 +-
> >>
> >>   1 files changed, 1 insertions(+), 1 deletions(-)
> >>
> >> Modified: trunk/opal/config/opal_config_asm.m4
> >>
> >>=========================================================================
> >>=====
> >> --- trunk/opal/config/opal_config_asm.m4    (original)
> >> +++ trunk/opal/config/opal_config_asm.m4    2011-02-23 16:54:07 EST
> >>(Wed, 23 Feb 2011)
> >> @@ -867,7 +867,7 @@
> >>                 ompi_cv_asm_arch="AMD64"
> >>             fi
> >>             OPAL_ASM_SUPPORT_64BIT=1
> >> -            OMPI_GCC_INLINE_ASSIGN='"xaddl %1,%0" : "=m"(ret),
> >>"+r"(negone)'
> >> +            OMPI_GCC_INLINE_ASSIGN='"xaddl %1,%0" : "=m"(ret),
> >>"+r"(negone) : "m"(ret)'
> >>             ;;
> >>
> >>         ia64-*)
> >> _______________________________________________
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> >
> >"I disapprove of what you say, but I will defend to the death your right
> >to say it"
> >  -- Evelyn Beatrice Hall
> >
> >
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>
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