gcc/testsuite/gcc.dg/vect/vect-67.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7
   8 __attribute__ ((noinline))
   9 int main1 (int a, int b)
  10 {
  11   int i, j;
  12   int ia[N][4][N+8];
  13
  14   /* Multidimensional array. Aligned. The "inner" dimensions
  15      are invariant in the inner loop. Store.
  16      Not vectorizable: unsupported operation. */
  17   for (i = 0; i < N; i++)
  18     {
  19       for (j = 0; j < N; j++)
  20         {
  21            ia[i][1][j+8] = (a == b);
  22         }
  23     }
  24
  25   /* check results: */
  26   for (i = 0; i < N; i++)
  27     {
  28       for (j = 0; j < N; j++)
  29         {
  30            if (ia[i][1][j+8] != (a == b))
  31               abort();
  32         }
  33     }
  34
  35   return 0;
  36 }
  37
  38 int main (void)
  39 {
  40   check_vect ();
  41
  42   return main1 (2 ,7);
  43 }
  44
  45 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
  46 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  47 /* { dg-final { cleanup-tree-dump "vect" } } */