| /* 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; |
| } |
| |