1  /* { dg-require-effective-target vect_float } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  #define N 16
       7  
       8  /* Check handling of accesses for which the "initial condition" -
       9     the expression that represents the first location accessed - is
      10     more involved than just an ssa_name.  */
      11  
      12  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
      13  float b[N+4] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0}; 
      14  float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5};
      15  
      16  __attribute__ ((noinline)) int
      17  main1 (float *__restrict__  pa, float * __restrict__ pb, float * __restrict__ pc)
      18  {
      19    int i;
      20    float *q = pb + 4;
      21  
      22    for (i = 0; i < N; i++)
      23      {
      24        pa[i] = q[i] * pc[i];
      25      }
      26  
      27    for (i = 0; i < N; i++)
      28      {
      29        if (pa[i] != q[i] * pc[i])
      30  	abort();
      31      }
      32    
      33    return 0;
      34  }
      35  
      36  int main (void)
      37  { 
      38    check_vect ();
      39  
      40    main1 (a, b, c);
      41  
      42    return 0;	
      43  }
      44  
      45  /* Xfail until handling restrict is refined.  See pr29145 */
      46  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
      47  /* Uncomment when this testcase gets vectorized again:    
      48   dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 3 "vect" { target vect_no_align } } 
      49   dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail vect_no_align } } 
      50   dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail vect_no_align } }  
      51  */