[PATCH], PowerPC, Add -mpower9-dform to switches turned on with -mcpu=power9

[David Edelsohn]

On Thu, Dec 31, 2015 at 3:41 PM, Michael Meissner
<meissner@linux.vnet.ibm.com> wrote:
> When I did the inital d-form support for ISA 3.0 (power9) for loading scalar
> SF/DF values into Altivec registers, I did not enable -mpower9-dform with the
> other ISA 3.0 switches when you used -mcpu=power9.  This was during the initial
> development, I had some bugs.  I fixed the bugs, but I forgot to enable the
> d-form addressing support.  This patch enables that default.
>
> I have built all of Spec 2006 with this option, and there were no failures.  I
> did not do the full bootstrap/make check right now, but I have done it in the
> past with no regressions.  Is it ok to install this patch?
>
> 2015-12-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
>
>         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
>         OPTION_MASK_P9_DFORM.
>
> (Note, at some point there will be patches to enable using d-form addressing
> with 128-bit vector types, but those patches aren't ready yet).

This is okay.

Thanks, David