gcc/testsuite/gcc.dg/vect/no-section-anchors-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 int ib[M][M][N] = {{{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  10                     {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  11                     {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45},
  12                     {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}},
  13                    {{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 int ia[M][M][N];
  26 int ic[N];
  27
  28 __attribute__ ((noinline))
  29 int main1 ()
  30 {
  31   int i, j;
  32
  33   /* Multidimensional array. Aligned. The "inner" dimensions
  34      are invariant in the inner loop. Load and store. */
  35   for (i = 0; i < M; i++)
  36     {
  37       for (j = 0; j < N; j++)
  38         {
  39            ia[i][1][j] = ib[2][i][j];
  40         }
  41     }
  42
  43   /* check results: */
  44   for (i = 0; i < M; i++)
  45     {
  46       for (j = 0; j < N; j++)
  47         {
  48            if (ia[i][1][j] != ib[2][i][j])
  49               abort();
  50         }
  51     }
  52
  53   /* Multidimensional array. Aligned. The "inner" dimensions
  54      are invariant in the inner loop. Load. */
  55   for (i = 0; i < M; i++)
  56     {
  57       for (j = 0; j < N; j++)
  58         {
  59            ic[j] = ib[2][i][j];
  60         }
  61     }
  62
  63   /* check results: */
  64   for (i = 0; i < M; i++)
  65     {
  66       for (j = 0; j < N; j++)
  67         {
  68            if (ic[j] != ib[2][i][j])
  69               abort();
  70         }
  71     }
  72
  73   return 0;
  74 }
  75
  76 int main (void)
  77 {
  78   check_vect ();
  79
  80   return main1 ();
  81 }
  82
  83 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
  84 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  85 /* { dg-final { cleanup-tree-dump "vect" } } */