[2.26 COMMITTED] powerpc: Restrict xssqrtqp operands to Vector Registers (bug 21941)

[Florian Weimer]

* Gabriel F. T. Gomes:

> On Fri, 18 Aug 2017 11:20:27 -0300
> "Gabriel F. T. Gomes" <gftg@linux.vnet.ibm.com> wrote:
>
>> diff --git a/ChangeLog b/ChangeLog
>> index 0057c0902a..6886cd9361 100644
>> --- a/ChangeLog
>> +++ b/ChangeLog
>> @@ -1,3 +1,12 @@
>> +2017-08-10  Gabriel F. T. Gomes  <gftg@linux.vnet.ibm.com>
>
> Hrm, I just noticed that I made two mistakes in this backport. :(
>
> 1. The date in the ChangeLog is the date that the patch was applied to
> master, not to the branch.

Do we really adjust the date for backports?  I've never done that
before.

> 2. I did not update the NEWS file.

I've started doing this due to popular demand.

> Is it fine to write a follow up patch to the branch just to fix these two
> problems?

Sure, that's fine.