Subversion Repositories openrisc

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

#include <sys/mman.h>

#include <stdio.h>

#define COUNT 320

#define MMAP_SIZE 0x10000

#define ADDRESS 0x1122000000

#define TYPE unsigned short

#ifndef MAP_ANONYMOUS

#define MAP_ANONYMOUS MAP_ANON

#endif

void __attribute__((noinline))

foo (TYPE *__restrict a, TYPE *__restrict b)

{

  int n;

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

    a[n] = b[n * 2];

}

int

main (void)

{

  void *x;

  size_t b_offset;

  x = mmap ((void *) ADDRESS, MMAP_SIZE, PROT_READ | PROT_WRITE,

            MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);

  if (x == MAP_FAILED)

    {

      perror ("mmap");

      return 1;

    }

  b_offset = MMAP_SIZE - (2 * COUNT - 1) * sizeof (TYPE);

  foo ((unsigned short *) x,

       (unsigned short *) ((char *) x + b_offset));

  return 0;

}

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