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require_vector_vs;
P_LOOP(32, {
int64_t mres = (int64_t) ps1 * (int64_t) ps2;
int32_t round = (((mres >> 31) + 1) >> 1);
bool sat = false;
pd = (sat_sub<int32_t, uint32_t>(pd, round, sat));
P_SET_OV(sat);
})
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