- spill = (tally->min - new_min) % (1 << tally->step_bits);
- for (i = 0; i < tally->buckets-1; i++) {
- size_t adjust = (tally->counts[i] >> tally->step_bits) * spill;
- tally->counts[i] -= adjust;
- tally->counts[i+1] += adjust;
+ if (tally->step_bits < SIZET_BITS) {
+ spill = (tally->min - new_min) % ((size_t)1 << tally->step_bits);
+ for (i = 0; i < tally->buckets-1; i++) {
+ size_t adjust = (tally->counts[i] >> tally->step_bits) * spill;
+ tally->counts[i] -= adjust;
+ tally->counts[i+1] += adjust;
+ }