-#define ALIGN_32U(x) (((x)+31U ) & ~(31U))
-#define ALIGN_1024U(x) (((x)+1023U) & ~(1023U))
-#define ALIGN_4096U(x) (((x)+4095U) & ~(4095U))
+#define ALIGN_32U(x) (((x)+(unsigned)31 ) & ~((unsigned)31))
+#define ALIGN_1024U(x) (((x)+(unsigned)1023) & ~((unsigned)1023))
+#define ALIGN_4096U(x) (((x)+(unsigned)4095) & ~((unsigned)4095))