[cfe-dev] System z vector language extensions for 3.7 branch?

[Richard Smith]

On Thu, Jul 30, 2015 at 10:03 AM, Ulrich Weigand <Ulrich.Weigand at de.ibm.com>
wrote:

> Hi Hans,
>
> thanks!   Just a quick update: it turns out the sanitizer build bots
> uncovered an uninitialized variable access.  I've now fixed this in
> r243644, and the build bot is green again.  So if this feature is
> backported, please add that revision as well.
>
> Sorry for the extra confusion ...
>
> Bye,
> Ulrich
>
> hwennborg at google.com wrote on 30.07.2015 17:02:32:
>
> > Hi Ulrich,
> >
> > I'm happy to merge if Richard gives the owner's approval.
>

It's a bit unusual to take a whole new feature at this stage in the
release, but if you're happy with it, I think it's a suitably low-risk
patch (the biggest risk is that the feature itself would not work in some
way), so go ahead.


> > Cheers,
> > Hans
> >
> > On Thu, Jul 30, 2015 at 7:24 AM, Ulrich Weigand
> > <Ulrich.Weigand at de.ibm.com> wrote:
> > >
> > > Hi Hans, hi Richard,
> > >
> > > I've just checked support for the System z vector language extensions
> (and
> > > associated intrinsics header file) into clang mainline as revisions
> r243642
> > > and r243643.
> > >
> > > This is the last missing part to complete support for the IBM z13
> mainframe
> > > architecture in LLVM and clang at a level compatible with current GCC
> > > mainline.  All the other parts (LLVM back-end support, and basic clang
> > > support for -march=z13 except for the language extension) are already
> in
> > > 3.7 since they went in before the release branched.  The language
> extension
> > > however is not in the branch.
> > >
> > > In order for LLVM 3.7 to be able to claim full z13 support, it would be
> > > really good if that last missing feature could still make it into the
> > > branch.  I'm aware that we're already quite late in the cycle -- do you
> > > still see a chance to get it in?  If there's anything I can to do help
> with
> > > this, please let me know.   Thanks!
> > >
> > >
> > > Mit freundlichen Gruessen / Best Regards
> > >
> > > Ulrich Weigand
> > >
> > > --
> > >   Dr. Ulrich Weigand | Phone: +49-7031/16-3727
> > >   STSM, GNU/Linux compilers and toolchain
> > >   IBM Deutschland Research & Development GmbH
> > >   Vorsitzende des Aufsichtsrats: Martina Koederitz | Geschäftsführung:
> Dirk
> > > Wittkopp
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> > > Stuttgart, HRB 243294
> > >
> >
>
>
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