kit

kit
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builtin_12_atomic_fetch_or.c (177B)

      1 int test_main(void) {
      2   int x = 0x20; /* 0010 0000 */
      3   int prior = __atomic_fetch_or(&x, 0x0A, __ATOMIC_ACQUIRE);
      4   /* prior=0x20=32, x=0x2A=42 */
      5   (void)prior;
      6   return x;
      7 }