* simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
        * stor-layout.c (place_field): Likewise.
        * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
        * expr.c (store_expr): Make align unsigned.
        * explow.c (plus_constant_wide): Make low words unsigned.
        * expmed.c (choose_multiplier): Likewise.
        * fold-const.c (fold):  Likewise.
        * tree.h (build_int_2): Likewise.
        * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
        * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
        (init_emit): Change cast to unsigned char*.
        * varasm.c (compare_constant_1): Add cast to char*.
        * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
        * reload1.c (reload): Likewise.

        * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).

From-SVN: r33684