File: pr81778.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (48 lines) | stat: -rw-r--r-- 954 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
 
/* Minimized from for-5.c.  */

#include <stdio.h>
#include <stdlib.h>

/* Size of array we want to write.  */
#define N 32

/* Size of extra space before and after.  */
#define CANARY_SIZE (N * 32)

/* Start of array we want to write.  */
#define BASE (CANARY_SIZE)

// Total size to be allocated.
#define ALLOC_SIZE (CANARY_SIZE + N + CANARY_SIZE)

#pragma omp declare target
int a[ALLOC_SIZE];
#pragma omp end declare target

int
main (void)
{
  /* Use variable step in for loop.  */
  int s = 1;

#pragma omp target update to(a)

  /* Write a[BASE] .. a[BASE + N - 1].  */
#pragma omp target simd
  for (int i = N - 1; i > -1; i -= s)
    a[BASE + i] = 1;

#pragma omp target update from(a)

  for (int i = 0; i < ALLOC_SIZE; i++)
    {
      int expected = (BASE <= i && i < BASE + N) ? 1 : 0;
      if (a[i] == expected)
	continue;

      printf ("Expected %d, got %d at base[%d]\n", expected, a[i], i - BASE);
      abort ();
    }

  return 0;
}