Index: boot/generic/include/memstr.h
===================================================================
--- boot/generic/include/memstr.h	(revision 45f7449e0a82becbb9eb64d8afe4237b1bb85912)
+++ boot/generic/include/memstr.h	(revision 86d0c263cc77c028ccff0c4d9651abe25a22b5c6)
@@ -35,6 +35,8 @@
 #include <typedefs.h>
 
-extern void *memcpy(void *, const void *, size_t);
-extern void *memset(void *, int, size_t);
+extern void *memcpy(void *, const void *, size_t)
+    __attribute__ ((optimize("-fno-tree-loop-distribute-patterns")));
+extern void *memset(void *, int, size_t)
+    __attribute__ ((optimize("-fno-tree-loop-distribute-patterns")));
 extern void *memmove(void *, const void *, size_t);