Comment 4 for bug 1522410

On Wed, Jan 13, 2016 at 08:10:43PM -0000, bugproxy wrote:
> The toolchain is made up of the important binutils, GCC and GLIBC
> packages. Secondarily, you can add GDB to the list, but it's POWER9
> disassembler support is inherited from binutils.

> From my recollection, Ububtu 16.04 will use binutils 2.26, GCC 5.x and
> GLIBC 2.23 versions. Binutils 2.26 contains full POWER9 support, so no
> patches are required for that. GLIBC 2.23 currently has all of the POWER9
> support we'll be able to deliver in time for 16.04, so no patches are
> required for that either. The only package that requires backports if GCC
> and those are already available in out IBM GCC 5 branch which Canonical is
> already pulling from. We are only missing which patches from that branch
> has Canonical pulled and which haven't. Maybe they have pulled them all?

As far as I'm aware, we are not currently pulling any gcc patches directly
from IBM, but only using the code that is included in the upstream gcc-5
branch. Can you please point us at the revision on the IBM gcc-5 branch
that contains the necessary P9 support, so we can evaluate this for
inclusion?