@@ -1146,10 +1146,10 @@ static uint64_t NAME(uint64_t n, uint64_t m, uint64_t a, uint8_t p, bool neg) \
uint64_t sum = 0; \
/* Apply P to N as a mask, making the inactive elements 0. */ \
n &= expand_pred_h(p); \
- sum += (NTYPE)(n >> 0) * (MTYPE)(m >> 0); \
- sum += (NTYPE)(n >> 16) * (MTYPE)(m >> 16); \
- sum += (NTYPE)(n >> 32) * (MTYPE)(m >> 32); \
- sum += (NTYPE)(n >> 48) * (MTYPE)(m >> 48); \
+ sum += (int64_t)(NTYPE)(n >> 0) * (MTYPE)(m >> 0); \
+ sum += (int64_t)(NTYPE)(n >> 16) * (MTYPE)(m >> 16); \
+ sum += (int64_t)(NTYPE)(n >> 32) * (MTYPE)(m >> 32); \
+ sum += (int64_t)(NTYPE)(n >> 48) * (MTYPE)(m >> 48); \
return neg ? a - sum : a + sum; \
}