prefetch is now supported.

llvm-svn: 20562

llvm/docs/ReleaseNotes.html

@@ -99,6 +99,8 @@ In this release, the following missing features were implemented:
 <ol>
    <li>LLVM can now create native shared libraries with '<tt>llvm-gcc ...
        -shared -Wl,-native</tt>' (or with <tt>-Wl,-native-cbe</tt>).</li>
+   <li>LLVM now supports a new "<a href="LangRef.html#i_prefetch">llvm.prefetch
+       </a>" intrinsic, and llvm-gcc now supports __builtin_prefetch.
 </ol>
 
 </div>
@@ -386,7 +388,8 @@ work:
          <tt>__builtin_types_compatible_p</tt>, <tt>__builtin_choose_expr</tt>,
          <tt>__builtin_constant_p</tt>, and <tt>__builtin_expect</tt>
          (currently ignored).  We also support builtins for ISO C99 floating
-         point comparison macros (e.g., <tt>__builtin_islessequal</tt>).</li>
+         point comparison macros (e.g., <tt>__builtin_islessequal</tt>), and
+         <tt>__builtin_prefetch</tt>.</li>
   </ol>
 
   <p>The following extensions <b>are</b> known to be supported:</p>