Fix uatomic sign cast

[urcu.git] / urcu / uatomic / ppc.h

diff --git a/urcu/uatomic/ppc.h b/urcu/uatomic/ppc.h
index 31807505c271fc0a1e6eea5400a529585ea8935a..ee3c516645cbe3899fab919bbcf208c5229ffa0b 100644 (file)
--- a/urcu/uatomic/ppc.h
+++ b/urcu/uatomic/ppc.h
@@ -100,7 +100,8 @@ unsigned long _uatomic_exchange(void *addr, unsigned long val, int len)
 }
 
 #define uatomic_xchg(addr, v)                                              \
-       ((__typeof__(*(addr))) _uatomic_exchange((addr), (unsigned long)(v), \
+       ((__typeof__(*(addr))) _uatomic_exchange((addr),                    \
+                                               caa_cast_long_keep_sign(v), \
                                                sizeof(*(addr))))
 /* cmpxchg */
 
@@ -159,9 +160,10 @@ unsigned long _uatomic_cmpxchg(void *addr, unsigned long old,
 }
 
 
-#define uatomic_cmpxchg(addr, old, _new)                                   \
-       ((__typeof__(*(addr))) _uatomic_cmpxchg((addr), (unsigned long)(old),\
-                                               (unsigned long)(_new),      \
+#define uatomic_cmpxchg(addr, old, _new)                                     \
+       ((__typeof__(*(addr))) _uatomic_cmpxchg((addr),                       \
+                                               caa_cast_long_keep_sign(old), \
+                                               caa_cast_long_keep_sign(_new),\
                                                sizeof(*(addr))))
 
 /* uatomic_add_return */
@@ -215,10 +217,10 @@ unsigned long _uatomic_add_return(void *addr, unsigned long val,
 }
 
 
-#define uatomic_add_return(addr, v)                                    \
-       ((__typeof__(*(addr))) _uatomic_add_return((addr),              \
-                                                 (unsigned long)(v),   \
-                                                 sizeof(*(addr))))
+#define uatomic_add_return(addr, v)                                        \
+       ((__typeof__(*(addr))) _uatomic_add_return((addr),                  \
+                                               caa_cast_long_keep_sign(v), \
+                                               sizeof(*(addr))))
 
 #ifdef __cplusplus 
 }