gcc/testsuite/gcc.dg/vect/vect-119.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3
   4 #define OUTER 32
   5 #define INNER 40
   6
   7 static unsigned int
   8 bar (const unsigned int x[INNER][2], unsigned int sum)
   9 {
  10   int i;
  11
  12   for (i = 0; i < INNER; i++)
  13     sum += x[i][0] * x[i][0] + x[i][1] * x[i][1];
  14   return sum;
  15 }
  16
  17 unsigned int foo (const unsigned int x[OUTER][INNER][2])
  18 {
  19   int i;
  20   unsigned int sum;
  21
  22   sum = 0.0f;
  23   for (i = 0; i < OUTER; i++)
  24     sum = bar (x[i], sum);
  25   return sum;
  26 }
  27
  28 /* { dg-final { scan-tree-dump-times "Detected interleaving load of size 2" 1 "vect" } } */