main/gcc/testsuite/gcc.dg/pr61756.c

   1 /* PR target/61756  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-O2" } */
   5 /* { dg-options "-O2 -march=armv5" { target arm*-*-*  } } */
   6
   7 #include <stdatomic.h>
   8
   9 static volatile atomic_flag guard = ATOMIC_FLAG_INIT;
  10
  11 void
  12 try_atomic_flag_test_and_set (void)
  13 {
  14   atomic_flag_test_and_set (&guard);
  15 }