gcc/testsuite/gcc.dg/vect/vect-65.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7 #define M 4
   8
   9 __attribute__ ((noinline))
  10 int main1 ()
  11 {
  12   int i, j;
  13   int ib[M][M][N] = {{{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  14                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  15                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  16                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}},
  17                      {{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  18                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  19                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  20                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}},
  21                      {{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  22                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  23                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  24                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}},
  25                      {{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  26                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  27                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  28                       {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}}};
  29   int ia[M][M][N];
  30   int ic[N];
  31
  32   /* Multidimensional array. Aligned. The "inner" dimensions
  33      are invariant in the inner loop. Load and store. */
  34   for (i = 0; i < M; i++)
  35     {
  36       for (j = 0; j < N; j++)
  37         {
  38            ia[i][1][j] = ib[2][i][j];
  39         }
  40     }
  41
  42   /* check results: */
  43   for (i = 0; i < M; i++)
  44     {
  45       for (j = 0; j < N; j++)
  46         {
  47            if (ia[i][1][j] != ib[2][i][j])
  48               abort();
  49         }
  50     }
  51
  52   /* Multidimensional array. Aligned. The "inner" dimensions
  53      are invariant in the inner loop. Load. */
  54   for (i = 0; i < M; i++)
  55     {
  56       for (j = 0; j < N; j++)
  57         {
  58            ic[j] = ib[2][i][j];
  59         }
  60     }
  61
  62   /* check results: */
  63   for (i = 0; i < M; i++)
  64     {
  65       for (j = 0; j < N; j++)
  66         {
  67            if (ic[j] != ib[2][i][j])
  68               abort();
  69         }
  70     }
  71
  72   return 0;
  73 }
  74
  75 int main (void)
  76 {
  77   check_vect ();
  78
  79   return main1 ();
  80 }
  81
  82 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
  83 /* { dg-final { cleanup-tree-dump "vect" } } */