1 /* { dg-do compile { target { lp64 } } } */
2 /* { dg-options "-march=z196 -O2" } */
3 
4 extern void bar(int *mem);
5 
foo4(int * mem)6 void foo4(int *mem)
7 {
8   int oldval = 0;
9   if (!__atomic_compare_exchange_n (mem, (void *) &oldval, 1,
10 				    1, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED))
11     {
12       bar (mem);
13     }
14 }
15 
16 /* { dg-final { scan-assembler {(?n)\n\tlt\t.*\n\tjne\t(\.L\d+)\n(.*\n)*\tcs\t.*\n\tber\t%r14\n\1:\n\tjg\tbar\n} } } */
17