add x86-64 abi


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22035 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CompilerWriterInfo.html b/docs/CompilerWriterInfo.html
index 0b88d8c..2ac522a 100644
--- a/docs/CompilerWriterInfo.html
+++ b/docs/CompilerWriterInfo.html
@@ -165,6 +165,7 @@
 <ul>
 <li><a
 href="http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_739,00.html">AMD processor manuals</a></li>
+<li><a href="http://www.x86-64.org/documentation">X86-64 ABI</a></li>
 </ul>
 </div>