x86_64 was completely missing from the target triples supported by the X86 code
generator!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73385 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CodeGenerator.html b/docs/CodeGenerator.html
index 9a28f1f..cf22826 100644
--- a/docs/CodeGenerator.html
+++ b/docs/CodeGenerator.html
@@ -1773,6 +1773,8 @@
   <li><b>i386-pc-mingw32msvc</b> &mdash; MingW crosscompiler on Linux</li>
 
   <li><b>i686-apple-darwin*</b> &mdash; Apple Darwin on X86</li>
+
+  <li><b>x86_64-unknown-linux-gnu</b> &mdash; Linux</li>
 </ul>
 
 </div>