Retro68/gcc/libgomp/testsuite/libgomp.c/address-space-1.c
2022-10-27 20:55:19 +02:00

25 lines
483 B
C

/* Verify OMP instances of variables with address space. */
/* { dg-do run { target i?86-*-* x86_64-*-* } } */
/* { dg-require-effective-target offload_device_nonshared_as } */
#include <assert.h>
int __seg_fs a;
int
main (void)
{
// a = 123; // SIGSEGV
int b;
#pragma omp target map(alloc: a) map(from: b)
{
a = 321; // no SIGSEGV (given 'offload_device_nonshared_as')
asm volatile ("" : : "g" (&a) : "memory");
b = a;
}
assert (b == 321);
return 0;
}