[RS6000] Fix PR53038, cfa_restore out of order

[David Edelsohn]

On Thu, Apr 26, 2012 at 1:00 AM, Alan Modra <amodra@gmail.com> wrote:

>        PR target/53038
>        * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
>        load_cr_save, add_crlr_cfa_restore): New functions.
>        (rs6000_restore_saved_cr): Rename to..
>        (restore_saved_cr): ..this.  Add cfa_restore notes for cr.
>        (rs6000_emit_epilogue): Use new functions.  Adjust condition
>        for emitting lr and cr cfa_restore.  Emit cfa_restores for fp
>        regs when using out-of-line restore only when shrink wrapping.

Okay.

Thanks, David