diff --git a/gcc/LITERATURE b/gcc/LITERATURE
index 24139da39c6e..a84db4871180 100644
--- a/gcc/LITERATURE
+++ b/gcc/LITERATURE
@@ -48,3 +48,7 @@ Collected papers/sites on standards, compilers, optimization, etc.
   	http://www.almaden.ibm.com/journal/
 
 
+- System V PowerPC ABI 
+
+
+	http://www.esofta.com/softspecs.html