(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
vect/
vect-76.c
       1  /* { dg-require-effective-target vect_int } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  #define N 24
       7  #define OFF 4
       8  
       9  /* Check handling of accesses for which the "initial condition" -
      10     the expression that represents the first location accessed - is
      11     more involved than just an ssa_name.  */
      12  
      13  int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10};
      14  int ic[N+OFF] = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10};
      15  
      16  __attribute__ ((noinline))
      17  int main1 (int *pib)
      18  {
      19    int i;
      20    int ia[N+OFF];
      21  
      22    for (i = OFF; i < N; i++)
      23      {
      24        ia[i] = pib[i - OFF];
      25      }
      26  
      27  
      28    /* check results:  */
      29    for (i = OFF; i < N; i++)
      30      {
      31       if (ia[i] != pib[i - OFF])
      32          abort ();
      33      }
      34  
      35    for (i = 0; i < N; i++)
      36      {
      37        ia[i] = pib[i - OFF];
      38      }
      39  
      40  
      41    /* check results:  */
      42    for (i = 0; i < N; i++)
      43      {
      44       if (ia[i] != pib[i - OFF])
      45          abort ();
      46      }
      47  
      48    for (i = OFF; i < N; i++)
      49      {
      50        ia[i] = ic[i - OFF];
      51      }
      52  
      53  
      54    /* check results:  */
      55    for (i = OFF; i < N; i++)
      56      {
      57       if (ia[i] != ic[i - OFF])
      58          abort ();  
      59      }
      60  
      61    return 0;  
      62  }
      63  
      64  int main (void)
      65  {
      66    check_vect ();
      67  
      68    main1 (&ib[OFF]);
      69    return 0;
      70  }
      71  
      72  
      73  /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" } } */