In the replacement text of the __bswapN_const() macros cast the argument

to the expected type so they work like the corresponding __bswapN_var()
functions and the compiler doesn't complain when arguments of different
width are passed.

1 files changed, 14 insertions, 12 deletions

diff --git a/sys/sparc64/include/endian.h b/sys/sparc64/include/endian.h
index 17447844ac44..2ca467e409fb 100644
--- a/sys/sparc64/include/endian.h
+++ b/sys/sparc64/include/endian.h
@@ -69,18 +69,20 @@
 #define	__is_constant(x)	0
 #endif
 
-#define	__bswap16_const(x)	((((x) >> 8) & 0xff) |			\
-	(((x) << 8) & 0xff00))
-#define	__bswap32_const(x)	((((x) >> 24) & 0xff) |			\
-	(((x) >> 8) & 0xff00) | (((x) << 8) & 0xff0000) |		\
-	(((x) << 24) & 0xff000000))
-#define	__bswap64_const(x)	((((x) >> 56) & 0xff) |			\
-	(((x) >> 40) & 0xff00) | (((x) >> 24) & 0xff0000) |		\
-	(((x) >> 8) & 0xff000000) |					\
-	(((x) << 8) & ((__uint64_t)0xff << 32)) |			\
-	(((x) << 24) & ((__uint64_t)0xff << 40)) |			\
-	(((x) << 40) & ((__uint64_t)0xff << 48)) |			\
-	(((x) << 56) & ((__uint64_t)0xff << 56)))
+#define	__bswap16_const(x)	((((__uint16_t)(x) >> 8) & 0xff) |	\
+	(((__uint16_t)(x) << 8) & 0xff00))
+#define	__bswap32_const(x)	((((__uint32_t)(x) >> 24) & 0xff) |	\
+	(((__uint32_t)(x) >> 8) & 0xff00) |				\
+	(((__uint32_t)(x)<< 8) & 0xff0000) |				\
+	(((__uint32_t)(x) << 24) & 0xff000000))
+#define	__bswap64_const(x)	((((__uint64_t)(x) >> 56) & 0xff) |	\
+	(((__uint64_t)(x) >> 40) & 0xff00) |				\
+	(((__uint64_t)(x) >> 24) & 0xff0000) |				\
+	(((__uint64_t)(x) >> 8) & 0xff000000) |				\
+	(((__uint64_t)(x) << 8) & ((__uint64_t)0xff << 32)) |		\
+	(((__uint64_t)(x) << 24) & ((__uint64_t)0xff << 40)) |		\
+	(((__uint64_t)(x) << 40) & ((__uint64_t)0xff << 48)) |		\
+	(((__uint64_t)(x) << 56) & ((__uint64_t)0xff << 56)))
 
 static __inline __uint16_t
 __bswap16_var(__uint16_t _x)