Fix 'Cannot implement CAS_full on this architecture' build error (nios2)

* src/atomic_ops.h [__GNUC__ && !AO_USE_PTHREAD_DEFS
&& !__INTEL_COMPILER && __nios2__] (AO_CAN_EMUL_CAS): Define macro.

diff --git a/src/atomic_ops.h b/src/atomic_ops.h
index d7fec6be3a670c489a40d7c9ba10a4316f66a43a..d7a70f4b85468bc69f16eb0b0fbd79faa074f7e3 100644 (file)
--- a/src/atomic_ops.h
+++ b/src/atomic_ops.h
@@ -330,11 +330,14 @@
 #   include "atomic_ops/sysdeps/gcc/avr32.h"
 # elif defined(__hexagon__)
 #   include "atomic_ops/sysdeps/gcc/hexagon.h"
+# elif defined(__nios2__)
+#   include "atomic_ops/sysdeps/gcc/generic.h"
+#   define AO_CAN_EMUL_CAS
 # elif defined(__riscv)
 #   include "atomic_ops/sysdeps/gcc/riscv.h"
 # elif defined(__tile__)
 #   include "atomic_ops/sysdeps/gcc/tile.h"
-# else /* __nios2__, etc. */
+# else /* etc. */
 #   include "atomic_ops/sysdeps/gcc/generic.h"
 # endif
 #endif /* __GNUC__ && !AO_USE_PTHREAD_DEFS */