Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */

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

#include <stdarg.h>

#include "tree-vect.h"

#define N 256

extern int a[N];

/* The alignment of 'pa' is unknown.

   Yet we do know that both the read access and write access have

   the same alignment. Peeling to align one of the accesses will

   align the other.  */

__attribute__ ((noinline)) int

main1 (int * pa)

{

  int i;

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

    {

      pa[i] = pa[i] + 1;

    }

  return 0;

}

/* The alignment of 'a' is unknown.

   Yet we do know that both the read access and write access have

   the same alignment. Peeling to align one of the accesses will

   align the other.  */

__attribute__ ((noinline)) int

main2 ()

{

  int i;

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

    {

      a[i] = a[i] + 1;

    }

  return 0;

}

__attribute__ ((noinline)) int

main3 ()

{

  int i;

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

    {

      a[i] = a[i+20];

    }

  return 0;

}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 3 "vect" { xfail vect_no_int_add } } } */

/* { dg-final { scan-tree-dump-times "accesses have the same alignment." 3 "vect" } } */

/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 3 "vect" {target { vector_alignment_reachable } } } } */

/* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 3 "vect" {target { {! vector_alignment_reachable} && {! vect_hw_misalign} } } } } */

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