(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
vect/
vect-75-big-array.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 120
       9  #define OFF 8
      10  
      11  /* Check handling of accesses for which the "initial condition" -
      12     the expression that represents the first location accessed - is
      13     more involved than just an ssa_name.  */
      14  
      15  int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17};
      16  
      17  __attribute__ ((noinline))
      18  int main1 (int *ib)
      19  {
      20    int i;
      21    int ia[N];
      22  
      23    for (i = OFF; i < N+OFF; i++)
      24      {
      25        ib[i] = ib[i%OFF]*(i/OFF);
      26        asm volatile ("" ::: "memory");
      27      }
      28    for (i = 0; i < N; i++)
      29      {
      30        ia[i] = ib[i+OFF];
      31      }
      32  
      33  
      34    /* check results:  */
      35    for (i = 0; i < N; i++)
      36      {
      37       if (ia[i] != ib[i+OFF])
      38          abort ();
      39      }
      40  
      41    return 0;
      42  }
      43  
      44  int main (void)
      45  {
      46    check_vect ();
      47  
      48    main1 (ib);
      49    return 0;
      50  }
      51  
      52  
      53  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
      54  /*  { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 1 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */
      55  /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { target { ! vect_align_stack_vars } xfail { ! vect_unaligned_possible } } } } */
      56  /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { target vect_align_stack_vars xfail { ! vect_unaligned_possible } } } } */