Lines Matching defs:sum
42 uint64_t sum = 0;/* Need 64-bit accumulator when nbytes > 64K */
47 sum += *hptr++;
53 sum += *(uint8_t *) hptr;
56 /* Fold 64-bit sum to 32 bits */
57 sum = (sum & 0xffffffff) + (sum >> 32);
58 sum = (sum & 0xffffffff) + (sum >> 32);
59 Assert(sum == (uint32_t) sum);
61 /* Fold 32-bit sum to 16 bits */
62 sum = (sum & 0xffff) + (sum >> 16);
63 sum = (sum & 0xffff) + (sum >> 16);
64 Assert(sum == (uint16_t) sum);
66 return (uint16_t) sum;