diff --git a/wiiu/system/missing_libc_functions.c b/wiiu/system/missing_libc_functions.c
index 060785d63f..ed66918984 100644
--- a/wiiu/system/missing_libc_functions.c
+++ b/wiiu/system/missing_libc_functions.c
@@ -142,6 +142,15 @@ long sysconf(int name) {
    }
 }
 
+/**
+ * Intended to replace libgcc's __clear_cache builtin.
+ * For cores that need it, add -D__clear_cache=wiiu_clear_cache to CFLAGS.
+ */
+void wiiu_clear_cache (char *beg, char *end) {
+   DCFlushRange(beg, (uint32_t)(end - beg));
+   ICInvalidateRange(beg, (uint32_t)(end - beg));
+}
+
 /**
  * Implementation of getifaddrs() and freeifaddrs() for WiiU.
  */