LRA has been merged into trunk.

[David Miller]

From: Vladimir Makarov <vmakarov@redhat.com>
Date: Tue, 23 Oct 2012 11:46:34 -0400

>   Hi, I was going to merge LRA into trunk last Sunday.  It did not
>   happen.  LRA was actively changed last 4 weeks by implementing
>   reviewer's proposals which resulted in a lot of new LRA regressions on
>   GCC testsuite in comparison with reload.  Finally, they were fixed and
>   everything looks ok to me.
> 
>   So I've committed the patch into trunk as rev. 192719. The final patch
>   is in the attachment.

Thanks for doing this work Vlad.

Just as a heads up I started playing with LRA on Sparc.