impatomic: silence more clang warnings

[cdsspec-compiler.git] / include / impatomic.h

diff --git a/include/impatomic.h b/include/impatomic.h
index 60e5d365efffc7bc365ef197be47275d31c23ae8..1b9ce6be97f9efdb23debaaa87c820406a65ccf2 100644 (file)
--- a/include/impatomic.h
+++ b/include/impatomic.h
@@ -88,14 +88,16 @@ inline void atomic_flag::clear( memory_order __x__ ) volatile
         ({ volatile __typeof__((__a__)->__f__)* __p__ = & ((__a__)->__f__);   \
                 __typeof__(__m__) __v__ = (__m__);                            \
                 model_write_action((void *) __p__,  __x__, (uint64_t) __v__); \
-                __v__; })
+                __v__ = __v__; /* Silence clang (-Wunused-value) */           \
+         })
 
 
 #define _ATOMIC_INIT_( __a__, __m__ )                                         \
         ({ volatile __typeof__((__a__)->__f__)* __p__ = & ((__a__)->__f__);   \
                 __typeof__(__m__) __v__ = (__m__);                            \
                 model_init_action((void *) __p__,  (uint64_t) __v__);         \
-                __v__; })
+                __v__ = __v__; /* Silence clang (-Wunused-value) */           \
+         })
 
 #define _ATOMIC_MODIFY_( __a__, __o__, __m__, __x__ )                         \
         ({ volatile __typeof__((__a__)->__f__)* __p__ = & ((__a__)->__f__);   \
@@ -104,7 +106,8 @@ inline void atomic_flag::clear( memory_order __x__ ) volatile
         __typeof__((__a__)->__f__) __copy__= __old__;                         \
         __copy__ __o__ __v__;                                                 \
         model_rmw_action((void *)__p__, __x__, (uint64_t) __copy__);          \
-        __old__; })
+        __old__ = __old__; /* Silence clang (-Wunused-value) */               \
+         })
 
 /* No spurious failure for now */
 #define _ATOMIC_CMPSWP_WEAK_ _ATOMIC_CMPSWP_
@@ -3902,11 +3905,11 @@ T* atomic<T*>::fetch_sub( ptrdiff_t __v__, memory_order __x__ ) volatile
 #ifdef __cplusplus
 extern "C" {
 #endif
-inline void atomic_thread_fence(memory_order order)
+static inline void atomic_thread_fence(memory_order order)
 { _ATOMIC_FENCE_(order); }
 
 /** @todo Do we want to try to support a user's signal-handler? */
-inline void atomic_signal_fence(memory_order order)
+static inline void atomic_signal_fence(memory_order order)
 { /* No-op? */ }
 #ifdef __cplusplus
 }