Subversion Repositories openrisc_2011-10-31

/* { dg-require-effective-target vect_float } */

#include <stdarg.h>

#include "tree-vect.h"

#define N 256

__attribute__ ((noinline))

void bar (const float *pa, const float *pb, const float *pc)

{

  int i;

  /* check results:  */

  for (i = 0; i < N; i++)

    {

      if (pa[i] != (pb[i] * pc[i]))

        abort ();

    }

  return;

}

/* Unaligned pointer read accesses, aligned pointer write access.

   The loop bound is unknown.

   Can't prove that the pointers don't alias.

   vect-49.c is similar to this one with one difference:

        the loop bound is known.

   vect-52.c is similar to this one with one difference:

        aliasing is not a problem.  */

__attribute__ ((noinline)) int

main1 (int n, float *pb, float *pc)

{

  float pa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

  int i;

  for (i = 0; i < n; i++)

    {

      pa[i] = pb[i] * pc[i];

    }

  bar (pa,pb,pc);

  return 0;

}

int main (void)

{

  int i;

  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));

  float b[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};

  float c[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};

  check_vect ();

  main1 (N,&b[1],c);

  main1 (N,&b[1],&c[1]);

  return 0;

}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */

/* { dg-final { cleanup-tree-dump "vect" } } */