m2s              2367 src/dps8/dps8_math.c   int128 m2s = rshift_s128 (SIGNEXT72_128(m2), 8);
m2s              2372 src/dps8/dps8_math.c   int128 m3h = multiply_s128 (m1h, m2s); // hi partial product
m2s              2373 src/dps8/dps8_math.c   int128 m3l = multiply_s128 (m1l, m2s); // lo partial product
m2s              2381 src/dps8/dps8_math.c   int128 m2s = SIGNEXT72_128(m2) >> 8;
m2s              2386 src/dps8/dps8_math.c   int128 m3h = m1h * m2s; // hi partial product
m2s              2387 src/dps8/dps8_math.c   int128 m3l = m1l * m2s; // lo partial product