/* Test __atomic routines for existence and proper execution on 8 byte values with each valid memory model. */ /* { dg-do run } */ /* { dg-require-effective-target sync_long_long_runtime } */ /* { dg-options "" } */ /* { dg-options "-march=pentium" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */ /* Test the execution of the __atomic_store_n builtin for a long long. */ extern void abort(void); long long v, count; int main () { v = 0; count = 0; __atomic_store_n (&v, count + 1, __ATOMIC_RELAXED); if (v != ++count) abort (); __atomic_store_n (&v, count + 1, __ATOMIC_RELEASE); if (v != ++count) abort (); __atomic_store_n (&v, count + 1, __ATOMIC_SEQ_CST); if (v != ++count) abort (); /* Now test the generic variant. */ count++; __atomic_store (&v, &count, __ATOMIC_RELAXED); if (v != count++) abort (); __atomic_store (&v, &count, __ATOMIC_RELEASE); if (v != count++) abort (); __atomic_store (&v, &count, __ATOMIC_SEQ_CST); if (v != count) abort (); return 0; }