gcc/testsuite/gcc.dg/vect/no-section-anchors-vect-64.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-add-options bind_pic_locally } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #if VECTOR_BITS > 128
   8 #define NINTS (VECTOR_BITS / 32)
   9 #else
  10 #define NINTS 4
  11 #endif
  12
  13 #define N (NINTS * 4)
  14
  15 int ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  16 int ia[N][NINTS][N + 1];
  17 int ic[N][N][NINTS - 1][2 * N + 2];
  18 int id[N][N][N + NINTS];
  19
  20 __attribute__ ((noinline))
  21 int main1 ()
  22 {
  23   int i, j;
  24
  25   /* Multidimensional array. Not aligned: vectorizable. */
  26   for (i = 0; i < N; i++)
  27     {
  28       for (j = 0; j < N; j++)
  29         {
  30            ia[i][1][j] = ib[i];
  31         }
  32     }
  33
  34   /* Multidimensional array. Aligned: vectorizable. */
  35   for (i = 0; i < N; i++)
  36     {
  37       for (j = 0; j < N; j++)
  38         {
  39            ic[i][1][1][j] = ib[i];
  40         }
  41     }
  42
  43   /* Multidimensional array. Not aligned: vectorizable. */
  44   for (i = 0; i < N; i++)
  45     {
  46       for (j = 0; j < N; j++)
  47         {
  48            id[i][1][j+1] = ib[i];
  49         }
  50     }
  51
  52   /* check results: */
  53   for (i = 0; i < N; i++)
  54     {
  55       for (j = 0; j < N; j++)
  56         {
  57            if (ia[i][1][j] != ib[i])
  58               abort();
  59         }
  60     }
  61
  62   /* check results: */
  63   for (i = 0; i < N; i++)
  64     {
  65       for (j = 0; j < N; j++)
  66         {
  67            if (ic[i][1][1][j] != ib[i])
  68               abort();
  69         }
  70     }
  71
  72   /* check results: */
  73   for (i = 0; i < N; i++)
  74     {
  75       for (j = 0; j < N; j++)
  76         {
  77            if (id[i][1][j+1] != ib[i])
  78               abort();
  79         }
  80     }
  81
  82   return 0;
  83 }
  84
  85 int main (void)
  86 {
  87   check_vect ();
  88
  89   return main1 ();
  90 }
  91
  92 /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" } } */
  93 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  94 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 2 "vect" { xfail vect_element_align_preferred } } } */