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 #if VECTOR_BITS > 256
   7 #define NINTS (VECTOR_BITS / 32)
   8 #else
   9 #define NINTS 8
  10 #endif
  11
  12 #define N (NINTS * 2)
  13
  14 __attribute__ ((noinline))
  15 int main1 (int a, int b)
  16 {
  17   int i, j;
  18   int ia[N][4][N + NINTS];
  19
  20   /* Multidimensional array. Aligned. The "inner" dimensions
  21      are invariant in the inner loop. Store.
  22      Not vectorizable: unsupported operation. */
  23   for (i = 0; i < N; i++)
  24     {
  25       for (j = 0; j < N; j++)
  26         {
  27            ia[i][1][j + NINTS] = (a == b);
  28         }
  29     }
  30
  31   /* check results: */
  32   for (i = 0; i < N; i++)
  33     {
  34       for (j = 0; j < N; j++)
  35         {
  36            if (ia[i][1][j + NINTS] != (a == b))
  37               abort();
  38         }
  39     }
  40
  41   return 0;
  42 }
  43
  44 int main (void)
  45 {
  46   check_vect ();
  47
  48   return main1 (2 ,7);
  49 }
  50
  51 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
  52 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { xfail { ! vect_align_stack_vars } } } } */