#ifdef COMPILER_HAVE_SHORT_MEM_OPERAND
#define MEMOP_OUT(addr) "=Q" (*(addr))
-#define MEMOP_IN "Q" (*(addr))
+#define MEMOP_IN(addr) "Q" (*(addr))
#define MEMOP_REF(op) #op /* op refer to MEMOP_IN operand */
#else /* !COMPILER_HAVE_SHORT_MEM_OPERAND */
#define MEMOP_OUT(addr) "=m" (*(addr))
-#define MEMOP_IN "a" (addr), "m" (*(addr))
+#define MEMOP_IN(addr) "a" (addr), "m" (*(addr))
#define MEMOP_REF(op) "0(" #op ")" /* op refer to MEMOP_IN operand */
#endif /* !COMPILER_HAVE_SHORT_MEM_OPERAND */