gcc/testsuite/gcc.target/s390/pr81534.c

   1 /* PR81534 This testcase used to fail because the HI/QI
   2    "atomic_fetch_<atomic><mode>" expander accepted symbolic references
   3    and emitted CAS patterns whose insn definition rejected them.  */
   4
   5 /* { dg-do compile } */
   6 /* { dg-options "-O2 -march=zEC12" } */
   7
   8 struct {
   9   short b;
  10   long c;
  11 } a = {};
  12
  13 void
  14 d ()
  15 {
  16   __atomic_fetch_add(&a.b, 0, 5);
  17 }