2004-01-12 Kazu Hirata <kazu@cs.umass.edu>

        PR optimization/12508.
        * combine.c (try_combine): Remove a dead set in a parallel
        even if its destination is a subreg.

        Revert:
        2003-06-03  Kazu Hirata  <kazu@cs.umass.edu>
        * combine.c (simplify_set): Don't move a subreg in SET_SRC to
        SET_DEST if WORD_REGISTER_OPERATIONS is not defined.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@75747 138bc75d-0d04-0410-961f-82ee72b054a4