* config/tc-h8300.c (parse_reg): Tweak error messages.

    * config/tc-h8300.c (parse_reg): Tweak error messages.
        (build_bytes): Likewise.
        (skip_colonthing): Handle :32 suffix.
        (get_specific): Promote L_24 to L_32 if it makes a match.
        Don't always promote L_8 to L_16.
        (do_a_fix_imm): Clean up L_32 and L_24 handling.
H8/S related stuff that doesn't need to be sanitized.

start-sanitize-h8s
        * config/tc-h8300.c (Smode): New variable.
        (h8300hmode): Turn off Hmode.
        (h8300smode): New function.  Turn on Smode and Hmode.
        (md_pseudo_table): New ".h8300s" pseudo-op.
        (parse_reg): Handle "exr" register.
        (get_operand): Handle bizarre syntax for "stm.l" and "ldm.l".
        Handle "mach" and "machl" operands for ldmac.
        (get_specific): Handle "stm.l" and "ldm.l".
        (build_bytes): Handle "stm.l" and "ldm.l"; handle MACREG operands.
        * config/tc-h8300.h (COFF_MAGIC): Handle H8/S magic number.
        (Smode): Declare.
end-sanitize-h8s
Sanitized H8/S stuff until we know its status.