* sbitmap.h: Whitespace changes and use upper-case macro args.
(struct simple_bitmap_def): All sizes now unsigned.
(EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
* sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
(sbitmap_vector_alloc): Parms and local vars now unsigned.
(sbitmap_zero): Cast bzero arg to PTR.
(sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
(sbitmap_union_of_diffs): Change loop index to unsigned and rework
loop to make structure clearer.
(sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
(sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
(sbitmap_a_and_b_or_c): Likewise.
(sbitmap_intersection_of_succs): Minor cleanups.
(sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
(sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
(debug_sbitmap): New function.
From-SVN: r33059
