diff --git a/include/asm-ppc64/bug.h b/include/asm-ppc64/bug.h
index 169868fa307defa30c7782cea4b96b2ab278ac54..1601782788610748de11a46dd6cfa288f3dc7a5e 100644
--- a/include/asm-ppc64/bug.h
+++ b/include/asm-ppc64/bug.h
@@ -43,8 +43,8 @@ struct bug_entry *find_bug(unsigned long bugaddr);
 		".section __bug_table,\"a\"\n\t"		\
 		"	.llong 1b,%1,%2,%3\n"			\
 		".previous"					\
-		: : "r" (x), "i" (__LINE__), "i" (__FILE__),	\
-		    "i" (__FUNCTION__));			\
+		: : "r" ((long long)(x)), "i" (__LINE__),	\
+		    "i" (__FILE__), "i" (__FUNCTION__));	\
 } while (0)
 
 #define WARN_ON(x) do {						\
@@ -53,7 +53,8 @@ struct bug_entry *find_bug(unsigned long bugaddr);
 		".section __bug_table,\"a\"\n\t"		\
 		"	.llong 1b,%1,%2,%3\n"			\
 		".previous"					\
-		: : "r" (x), "i" (__LINE__ + BUG_WARNING_TRAP),	\
+		: : "r" ((long long)(x)),			\
+		    "i" (__LINE__ + BUG_WARNING_TRAP),		\
 		    "i" (__FILE__), "i" (__FUNCTION__));	\
 } while (0)