gcc/testsuite/gcc.target/i386/pr46051.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-vectorize -mavx -mtune=generic" } */
   3
   4 double val1[4][2], val2[4][2], chk[4][2];
   5
   6 void
   7 foo (void)
   8 {
   9   int i, j;
  10   for (i = 0; i < 4; i++)
  11     {
  12       double tmp = 0;
  13       for (j = 0; j < 2; j++)
  14        tmp += val1[i][j] * val2[i][j];
  15       for (j = 0; j < 2; j++)
  16        chk[i][j] = tmp;
  17     }
  18 }
  19
  20 float val1f[8][2], val2f[8][2], chkf[8][2];
  21
  22 void
  23 foof (void)
  24 {
  25   int i, j;
  26   for (i = 0; i < 8; i++)
  27     {
  28       float tmp = 0;
  29       for (j = 0; j < 2; j++)
  30        tmp += val1f[i][j] * val2f[i][j];
  31       for (j = 0; j < 2; j++)
  32        chkf[i][j] = tmp;
  33     }
  34 }