2172          png_uint_32 sumhi, sumlo;  in png_write_find_filter()  local
2175          sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK; /* Gives us some footroom */  in png_write_find_filter()
2184                sumhi = (sumhi * png_ptr->filter_weights[j]) >>  in png_write_find_filter()
2195          sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_NONE]) >>  in png_write_find_filter()
2198          if (sumhi > PNG_HIMASK)  in png_write_find_filter()
2201             sum = (sumhi << PNG_HISHIFT) + sumlo;  in png_write_find_filter()
2290          png_uint_32 sumhi, sumlo;  in png_write_find_filter()  local
2292          sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK;  in png_write_find_filter()
2300                sumhi = (sumhi * png_ptr->inv_filter_weights[j]) >>  in png_write_find_filter()
2307          sumhi = (sumhi * png_ptr->inv_filter_costs[PNG_FILTER_VALUE_SUB]) >>  in png_write_find_filter()
2310          if (sumhi > PNG_HIMASK)  in png_write_find_filter()
2313             sum = (sumhi << PNG_HISHIFT) + sumlo;  in png_write_find_filter()
2393          png_uint_32 sumhi, sumlo;  in png_write_find_filter()  local
2395          sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK;  in png_write_find_filter()
2403                sumhi = (sumhi * png_ptr->filter_weights[j]) >>  in png_write_find_filter()
2410          sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_UP]) >>  in png_write_find_filter()
2413          if (sumhi > PNG_HIMASK)  in png_write_find_filter()
2416             sum = (sumhi << PNG_HISHIFT) + sumlo;  in png_write_find_filter()
2505          png_uint_32 sumhi, sumlo;  in png_write_find_filter()  local
2507          sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK;  in png_write_find_filter()
2515                sumhi = (sumhi * png_ptr->filter_weights[j]) >>  in png_write_find_filter()
2522          sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_AVG]) >>  in png_write_find_filter()
2525          if (sumhi > PNG_HIMASK)  in png_write_find_filter()
2528             sum = (sumhi << PNG_HISHIFT) + sumlo;  in png_write_find_filter()
2670          png_uint_32 sumhi, sumlo;  in png_write_find_filter()  local
2672          sumhi = (sum >> PNG_HISHIFT) & PNG_HIMASK;  in png_write_find_filter()
2680                sumhi = (sumhi * png_ptr->filter_weights[j]) >>  in png_write_find_filter()
2687          sumhi = (sumhi * png_ptr->filter_costs[PNG_FILTER_VALUE_PAETH]) >>  in png_write_find_filter()
2690          if (sumhi > PNG_HIMASK)  in png_write_find_filter()
2693             sum = (sumhi << PNG_HISHIFT) + sumlo;  in png_write_find_filter()