diff --git a/vl.c b/vl.c
index 46a36ad..40c0c0a 100644
--- a/vl.c
+++ b/vl.c
@@ -519,6 +519,15 @@
     return val;
 }
 
+#elif defined(__ia64)
+
+int64_t cpu_get_real_ticks(void)
+{
+	int64_t val;
+	asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory");
+	return val;
+}
+
 #else
 #error unsupported CPU
 #endif