| /* Test atomic exchange instruction is disabled with -mno-v3-atomics. */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-mno-v3-atomics -O2" } */ | |
| int foo (int *p, int *new) | |
| { | |
| int old; | |
| __atomic_exchange (p, new, &old, __ATOMIC_RELAXED); | |
| return old; | |
| } | |
| int foo64 (long *p, long *new) | |
| { | |
| long old; | |
| __atomic_exchange (p, new, &old, __ATOMIC_SEQ_CST); | |
| return old; | |
| } | |
| /* { dg-final { scan-assembler-not "axchg\t.*" } } */ | |
| /* { dg-final { scan-assembler-not "axchg32\t.*" } } */ |