Added MIPS release notes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58139 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index fa49e5b..446e018 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -447,7 +447,12 @@
 <li>Position Independent Code (PIC) is now supported on Linux/x86-64.</li>
 <li>@llvm.frameaddress now supports getting the frame address of stack frames
     &gt; 0 on x86/x86-64.</li>
-<li>MIPS floating point support? [BRUNO]</li>
+<li>MIPS has improved a lot since last release, the most important changes
+    are: Little endian support, floating point support, allegrex core and
+    intrinsics support. O32 ABI is improved but isn't complete. The EABI 
+    was implemented and is fully supported. We also have support for small
+    sections and gp_rel relocation for its access, a threshold in bytes can be 
+    specified through command line.</li>
 <li>The PowerPC backend now supports trampolines.</li>
 </ul>
 
@@ -700,6 +705,20 @@
 
 <!-- ======================================================================= -->
 <div class="doc_subsection">
+  <a name="mips-be">Known problems with the MIPS back-end</a>
+</div>
+
+<div class="doc_text">
+
+<ul>
+<li>The O32 ABI is not fully supported.</li>
+<li>64-bit MIPS targets are not supported yet.</li>
+</ul>
+
+</div>
+
+<!-- ======================================================================= -->
+<div class="doc_subsection">
   <a name="alpha-be">Known problems with the Alpha back-end</a>
 </div>