Index: src/platform.h
==================================================================
--- src/platform.h
+++ src/platform.h
@@ -101,10 +101,12 @@
 # define OF_S390X
 #elif defined(__s390__)
 # define OF_S390
 #elif defined(__e2k__)
 # define OF_ELBRUS_2000
+#elif defined(__loongarch64)
+# define OF_LOONGARCH64
 #endif
 
 #if defined(__APPLE__)
 # include <TargetConditionals.h>
 # if (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) || \