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#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" } } */
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