1  /* { dg-require-effective-target vect_float } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  #define N 256
       7  
       8  __attribute__ ((noinline))
       9  void bar (float *pd, float *pa, float *pb, float *pc) 
      10  {
      11    int i;
      12  
      13    /* check results:  */
      14    for (i = 0; i < N; i++)
      15      {
      16        if (pa[i] != (pb[i] * pc[i]))
      17  	abort ();
      18        if (pd[i] != 5.0)
      19  	abort ();
      20      }
      21  
      22    return;
      23  }
      24  
      25  
      26  __attribute__ ((noinline)) int
      27  main1 (int n, float * __restrict__ pd, float * __restrict__ pa, float * __restrict__ pb, float * __restrict__ pc)
      28  {
      29    int i;
      30  
      31    for (i = 0; i < n; i++)
      32      {
      33        pa[i] = pb[i] * pc[i];
      34        pd[i] = 5.0;
      35      }
      36  
      37    bar (pd,pa,pb,pc);
      38  
      39    return 0;
      40  }
      41  
      42  int main (void)
      43  {
      44    int i;
      45    float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
      46    float d[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
      47    float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
      48    float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
      49  
      50    check_vect ();
      51  
      52    main1 (N,&d[1],a,b,c);
      53    main1 (N-2,&d[1],a,b,c);
      54  
      55    return 0;
      56  }
      57  
      58  /* For targets that support unaligned loads we version for the two unaligned 
      59     stores and generate misaligned accesses for the loads. For targets that 
      60     don't support unaligned loads we version for all four accesses.  */
      61  
      62  /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail { vect_no_align || vect_element_align} } } }  */
      63  /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 2 "vect" { xfail { vect_no_align || vect_element_align } } } } */
      64  /*  { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */
      65  /*  { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 4 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */