rtl.h (local_alloc): Returns an integer now.

rtl.h (local_alloc): Returns an integer now.

        * rtl.h (local_alloc): Returns an integer now.
        * local-alloc.c (recorded_label_ref): New file scoped variable.
        (local_alloc): Initialize recorded_label_ref to zero.  Return its
        value when local allocation has completed.
        (update_equiv_regs); If we create an equivalence for a LABEL_REF,
        set recorded_label_ref.
        * toplev.c (rest_of_compilation): Run the loop optimizer after
        register allocation and reloading if needed.

From-SVN: r26324