1  /* { dg-require-effective-target vect_float } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  #define N 16
       7  
       8  float fa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
       9  float fb[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};
      10  float fc[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};
      11  
      12  /* Like vect-80.c but the pointers are not annotated as restricted,
      13     and therefore can't be antialiased.  */
      14  
      15  __attribute__ ((noinline)) int
      16  main1 (float *pa, float *pb, float *pc)
      17  {
      18    int i;
      19    float *q = pb + 4;
      20  
      21    for (i = 0; i < N; i++)
      22      {
      23        pa[i] = q[i] * pc[i];
      24      }
      25  
      26    for (i = 0; i < N; i++)
      27      {
      28        if (pa[i] != q[i] * pc[i])
      29  	abort();
      30      }
      31    
      32    return 0;
      33  }
      34  
      35  
      36  int main (void)
      37  { 
      38    check_vect ();
      39  
      40    main1 (fa, fb, fc);
      41  
      42    return 0;	
      43  }
      44  
      45  /* Currently the loops fail to vectorize due to aliasing problems.
      46    If/when the aliasing problems are resolved, unalignment may
      47    prevent vectorization on some targets.  */
      48  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { xfail *-*-* } } } */
      49  /* { dg-final { scan-tree-dump-times "can't determine dependence" 1 "vect" { target { ! vect_multiple_sizes } } } } */
      50  /* { dg-final { scan-tree-dump "can't determine dependence" "vect" { target vect_multiple_sizes } } } */