Lines Matching refs:x4
921 int x4 = input[11];
934 if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8
948 s4 = x4 * cospi_9_64 + x5 * cospi_23_64;
949 s5 = x4 * cospi_23_64 - x5 * cospi_9_64;
965 x4 = dct_const_round_shift(s4 + s12);
983 s4 = x4;
1000 x4 = s0 - s4;
1018 s4 = x4 * cospi_8_64 + x5 * cospi_24_64;
1019 s5 = x4 * cospi_24_64 - x5 * cospi_8_64;
1035 x4 = dct_const_round_shift(s4 + s6);
1070 output[3] = -x4;
1185 // upper-left 4x4 area, we only need to calculate first 4 rows here.