Viewing file:  target-link-1.c (1.14 KB) -rw-r--r--
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struct S { int s, t; };
int a = 1, b = 1;
double c[27];
struct S d = { 8888, 8888 };
#pragma omp declare target link (a) to (b) link (c, d)
int
foo (void)
{
return a++ + b++;
}
int
bar (int n)
{
int *p1 = &a;
int *p2 = &b;
c[n] += 2.0;
d.s -= 2;
d.t -= 2;
return *p1 + *p2 + d.s + d.t;
}
#pragma omp declare target (foo, bar)
int
main ()
{
a = b = 2;
d.s = 17;
d.t = 18;
int res, n = 10;
#pragma omp target map (to: a, b, c, d) map (from: res)
{
res = foo () + foo ();
c[n] = 3.0;
res += bar (n);
}
int shared_mem = 0;
#pragma omp target map (alloc: shared_mem)
shared_mem = 1;
if ((shared_mem && res != (2 + 2) + (3 + 3) + (4 + 4 + 15 + 16))
|| (!shared_mem && res != (2 + 1) + (3 + 2) + (4 + 3 + 15 + 16)))
__builtin_abort ();
#pragma omp target enter data map (to: c)
#pragma omp target update from (c)
res = (int) (c[n] + 0.5);
if ((shared_mem && res != 5) || (!shared_mem && res != 0))
__builtin_abort ();
#pragma omp target map (to: a, b) map (from: res)
res = foo ();
if ((shared_mem && res != 4 + 4) || (!shared_mem && res != 2 + 3))
__builtin_abort ();
return 0;
}
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