gcc/testsuite/gcc.dg/vect/no-section-anchors-vect-66.c

   1 /* Disabling epilogues until we find a better way to deal with scans.  */
   2 /* { dg-additional-options "--param vect-epilogues-nomask=0" } */
   3 /* { dg-require-effective-target vect_int } */
   4
   5 #include <stdarg.h>
   6 #include "tree-vect.h"
   7
   8 #define N 32
   9
  10 int ia[8][5][N+2];
  11 int ic[16][16][5][N+2];
  12
  13 __attribute__ ((noinline))
  14 int main1 ()
  15 {
  16   int i, j;
  17
  18   /* Multidimensional array. Aligned. */
  19   for (i = 0; i < 16; i++)
  20     {
  21       for (j = 0; j < N; j++)
  22         {
  23            ia[2][6][j] = 5;
  24         }
  25     }
  26
  27   /* check results: */
  28   for (i = 0; i < 16; i++)
  29     {
  30 #pragma GCC novector
  31       for (j = 0; j < N; j++)
  32         {
  33            if (ia[2][6][j] != 5)
  34                 abort();
  35         }
  36     }
  37   /* Multidimensional array. Aligned. */
  38   for (i = 0; i < 16; i++)
  39     {
  40       for (j = 0; j < N; j++)
  41            ia[3][6][j+2] = 5;
  42     }
  43
  44   /* check results: */
  45   for (i = 0; i < 16; i++)
  46     {
  47 #pragma GCC novector
  48       for (j = 2; j < N+2; j++)
  49         {
  50            if (ia[3][6][j] != 5)
  51                 abort();
  52         }
  53     }
  54
  55   /* Multidimensional array. Not aligned. */
  56   for (i = 0; i < 16; i++)
  57     {
  58       for (j = 0; j < N; j++)
  59         {
  60            ic[2][1][6][j+1] = 5;
  61         }
  62     }
  63
  64   /* check results: */
  65   for (i = 0; i < 16; i++)
  66     {
  67 #pragma GCC novector
  68       for (j = 0; j < N; j++)
  69         {
  70            if (ic[2][1][6][j+1] != 5)
  71                 abort();
  72         }
  73     }
  74
  75   return 0;
  76 }
  77
  78 int main (void)
  79 {
  80   check_vect ();
  81
  82   return main1 ();
  83 }
  84
  85 /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" } } */
  86 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  87 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 2 "vect" { target { {! vect_aligned_arrays} && {vect_sizes_32B_16B} } } } } */
  88 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { target { {vect_aligned_arrays} && {! vect_sizes_32B_16B} } } } } */