X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fuatomic%2Fppc.h;h=0e672f57260529679b7c15d31304f57767328bb9;hp=31807505c271fc0a1e6eea5400a529585ea8935a;hb=67ecffc0f530a7b5c4dd5111ea7dd3213da8eb91;hpb=14b2b8b8b23d8bf89411ed532cbf9011041981c6

diff --git a/urcu/uatomic/ppc.h b/urcu/uatomic/ppc.h
index 3180750..0e672f5 100644
--- a/urcu/uatomic/ppc.h
+++ b/urcu/uatomic/ppc.h
@@ -1,7 +1,7 @@
 #ifndef _URCU_ARCH_UATOMIC_PPC_H
 #define _URCU_ARCH_UATOMIC_PPC_H
 
-/* 
+/*
  * Copyright (c) 1991-1994 by Xerox Corporation.  All rights reserved.
  * Copyright (c) 1996-1999 by Silicon Graphics.  All rights reserved.
  * Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P.
@@ -25,7 +25,7 @@
 
 #ifdef __cplusplus
 extern "C" {
-#endif 
+#endif
 
 #define ILLEGAL_INSTR	".long	0xd00d00"
 
@@ -93,14 +93,17 @@ unsigned long _uatomic_exchange(void *addr, unsigned long val, int len)
 	}
 #endif
 	}
-	/* generate an illegal instruction. Cannot catch this with linker tricks
-	 * when optimizations are disabled. */
+	/*
+	 * generate an illegal instruction. Cannot catch this with
+	 * linker tricks when optimizations are disabled.
+	 */
 	__asm__ __volatile__(ILLEGAL_INSTR);
 	return 0;
 }
 
 #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 */
 
@@ -152,16 +155,19 @@ unsigned long _uatomic_cmpxchg(void *addr, unsigned long old,
 	}
 #endif
 	}
-	/* generate an illegal instruction. Cannot catch this with linker tricks
-	 * when optimizations are disabled. */
+	/*
+	 * generate an illegal instruction. Cannot catch this with
+	 * linker tricks when optimizations are disabled.
+	 */
 	__asm__ __volatile__(ILLEGAL_INSTR);
 	return 0;
 }
 
 
-#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 */
@@ -208,19 +214,21 @@ unsigned long _uatomic_add_return(void *addr, unsigned long val,
 	}
 #endif
 	}
-	/* generate an illegal instruction. Cannot catch this with linker tricks
-	 * when optimizations are disabled. */
+	/*
+	 * generate an illegal instruction. Cannot catch this with
+	 * linker tricks when optimizations are disabled.
+	 */
 	__asm__ __volatile__(ILLEGAL_INSTR);
 	return 0;
 }
 
 
-#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 
+#ifdef __cplusplus
 }
 #endif