Subversion Repositories openrisc_2011-10-31

/* { dg-require-effective-target vect_float } */
 
#include <stdarg.h>
#include <signal.h>
#include "tree-vect.h"
 
#define N 64
#define MAX 42
 
float A[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
float B[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
float C[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
float D[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
extern void abort(void); 
 
__attribute__ ((noinline))
int main1 ()
{  
  float s;
 
  int i, j;
 
  for (i = 0; i < N; i++)
    {
      s = 0;
      for (j = 0; j < N; j += 4)
	s += C[j];
      A[i] = s;
    }
 
  return 0;
}
 
int main ()
{
  int i,j;
  float s;
 
  check_vect ();
 
  for (i = 0; i < N; i++)
    {
      A[i] = i;
      B[i] = i;
      C[i] = i;
      D[i] = i;
    }
 
  main1();
 
  /* check results:  */
  for (i = 0; i < N; i++)
    {
      s = 0;
      for (j = 0; j < N; j += 4)
        s += C[j];
      if (A[i] != s)
        abort ();
    }
 
  return 0;
}
 
/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */
/* { dg-final { scan-tree-dump-times "zero step in outer loop." 1 "vect" } } */
/* { dg-final { cleanup-tree-dump "vect" } } */