Lines Matching refs:x_sub
68 accum -= wrk->x_sub;
92 accum -= wrk->x_sub;
115 const int x_sub = wrk->x_sub;
118 const __m128i mult0 = _mm_set1_epi16(x_sub);
125 if (wrk->num_channels != 4 || wrk->x_add > (x_sub << 7)) {
139 // To avoid overflow, we need: base * x_add / x_sub < 32768
140 // => x_add < x_sub << 7. That's a 1/128 reduction ratio limit.
142 accum -= x_sub;
151 const __m128i B0 = _mm_unpacklo_epi16(A0, A1); // sum * x_sub
152 const __m128i frow_out = _mm_sub_epi32(B0, frac); // sum * x_sub - frac
