* loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
        conditional.
        (loop_unroll_iter): Remove unused variable and all references.
        (loop_optimize): Always allocate and clear space for loop_unroll_factor.
        (insert_bct): Fix minor formatting problems.
        * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
        (loop_unroll_iter): Removed unused decl.
        * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
        Always record the unrolling factor.
More haifa cleanup

From-SVN: r15621