1 /* { dg-do compile } */ 2 /* { dg-options "-O2 -floop-interchange -fno-tree-dce" } */ 3 int abs (int); find_sad_16x16(int * intra_mode)4int find_sad_16x16(int *intra_mode) 5 { 6 int current_intra_sad_2,best_intra_sad2; 7 int M1[16][16],M0[4][4][4][4],M3[4],M4[4][4]; 8 int i,j,k; 9 int ii,jj; 10 int up_avail, left_avail, left_up_avail; 11 for (i=0;i<17;i++) 12 if (left_up_avail) 13 { 14 for (jj=0;jj<4;jj++) 15 for (ii=0;ii<4;ii++) 16 for (j=0;j<4;j++) 17 for (i=0;i<4;i++) 18 { 19 M0[i][ii][2][jj]=M3[0]-M3[1]; 20 M0[i][ii][1][jj]=M3[2]+M3[3]; 21 current_intra_sad_2 += abs(M0[i][ii][j][jj]); 22 } 23 24 if(current_intra_sad_2 < best_intra_sad2) 25 best_intra_sad2=current_intra_sad_2; 26 } 27 return 0; 28 } 29