u32 len_hdr = min(adjusted_match_len, 0xf);
u32 offset_bsr = bsr32(match_offset);
u32 sym = len_hdr | (offset_bsr << 4) | XPRESS_NUM_CHARS;
u32 len_hdr = min(adjusted_match_len, 0xf);
u32 offset_bsr = bsr32(match_offset);
u32 sym = len_hdr | (offset_bsr << 4) | XPRESS_NUM_CHARS;