The following patch is for

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61578

   The patch was bootstrapped and tested on x86 and x86-64.

   Committed as rev. 227382.

2015-09-01  Vladimir Makarov  <vmakarov@redhat.com>

         PR target/61578
         * lra-lives.c (process_bb_lives): Process move pseudos with the
         same value for copies and preferences
         * lra-constraints.c (match_reload): Create match reload pseudo
         with the same value from single dying input pseudo.