[PR 66854 powerpc regression] Fix RTEMS powerpc build issue

[David Edelsohn]

On Tue, Jul 14, 2015 at 8:09 PM, Michael Meissner
<meissner@linux.vnet.ibm.com> wrote:
> My IEEE 128-bit floating point infrastructure patches resulted in a
> segmentation violation on RTEMS when building libgcc.  I had put a test using a
> type tree variable before the test whether it was NULL or not.
>
> This patch bootstraps on 64-bit Linux, and it also fixes the problem in
> question when building a RTEMS compiler.  Can this patch be installed if it
> causes no further regressions for RTEMS?
>
> 2015-07-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
>
>         PR target/66854
>         * config/rs6000/rs6000.c (rs6000_pass_by_reference): Move test for
>         null before IEEE 128-bit floating point support patch.

Okay.

Thanks, David