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111
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1 /* { dg-require-effective-target mmap } */
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2
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3 #include <sys/mman.h>
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4 #include <stdio.h>
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5 #include "tree-vect.h"
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6
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7 #define COUNT 320
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8 #define MMAP_SIZE 0x10000
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9 #define ADDRESS 0x1122000000
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10 #define TYPE unsigned short
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11
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12 #ifndef MAP_ANONYMOUS
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13 #define MAP_ANONYMOUS MAP_ANON
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14 #endif
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15
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16 void __attribute__((noinline))
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17 foo (TYPE *__restrict a, TYPE *__restrict b)
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18 {
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19 int n;
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20
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21 for (n = 0; n < COUNT; n++)
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22 a[n] = b[n * 2];
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23 }
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24
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25 int
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26 main (void)
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27 {
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28 void *x;
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29 size_t b_offset;
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30
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31 check_vect ();
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32
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33 x = mmap ((void *) ADDRESS, MMAP_SIZE, PROT_READ | PROT_WRITE,
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34 MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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35 if (x == MAP_FAILED)
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36 {
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37 perror ("mmap");
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38 return 1;
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39 }
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40
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41 b_offset = MMAP_SIZE - (2 * COUNT - 1) * sizeof (TYPE);
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42 foo ((unsigned short *) x,
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43 (unsigned short *) ((char *) x + b_offset));
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44 return 0;
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45 }
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46
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