gcc/testsuite/gcc.dg/tree-ssa/pr89725.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -floop-interchange -fno-tree-dce" } */
   3 int abs (int);
   4 int 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 }