Lines Matching refs:x1
199 DATA_TYPE *x1 = x + points - 4;
204 s0 = x1[0] - x1[1]; x1[0] += x1[1];
205 s1 = x1[3] - x1[2]; x1[2] += x1[3];
206 s2 = x2[1] - x2[0]; x1[1] = x2[1] + x2[0];
207 s3 = x2[3] - x2[2]; x1[3] = x2[3] + x2[2];
210 x1-=4;
213 x1 = x + (points>>1) + (points>>2) - 4;
217 s0 = x1[0] - x1[1]; x1[0] += x1[1];
218 s1 = x1[2] - x1[3]; x1[2] += x1[3];
219 s2 = x2[0] - x2[1]; x1[1] = x2[1] + x2[0];
220 s3 = x2[3] - x2[2]; x1[3] = x2[3] + x2[2];
223 x1-=4;
