| /* PR target/96176 */ | |
| /* { dg-do compile { target lp64 } } */ | |
| /* { dg-options "-O2" } */ | |
| /* { dg-final { scan-assembler-not "\tcmpb\t" } } */ | |
| _Bool | |
| foo (unsigned char *x, unsigned char y, unsigned char z) | |
| { | |
| unsigned char y_old = y; | |
| __atomic_compare_exchange_n (x, &y, z, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); | |
| return y == y_old; | |
| } |