diff --git a/gcc/LITERATURE b/gcc/LITERATURE
index ac35e3a5a74..260a6259f6a 100644
--- a/gcc/LITERATURE
+++ b/gcc/LITERATURE
@@ -17,7 +17,7 @@ Collected papers/sites on standards, compilers, optimization, etc.
   x86 manuals and documentation.
 
 	http://www.goof.com/pcg/docs.html
-
+	http://www.announce.com/agner/assem/
 
 - AMD site with optimization guide for x86