Add mention of ARM atomic builtin support

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102103 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index c95f0b8d5ca23b71827eec1ba568aeb8c2147c3e..14b2f6e5c2173f1786aa87d10a95b98818fb1524 100644 (file)
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -745,6 +745,10 @@ href="http://blog.llvm.org/2010/04/arm-advanced-simd-neon-intrinsics-and.html">
 <li>The ARM backend now has good support for ARMv4 targets and has been tested
     on StrongARM hardware.  Previously, LLVM only supported ARMv4T and
     newer chips.</li>
+
+<li>Atomic builtins are now supported for ARMv6 and ARMv7 (__sync_synchronize,
+    __sync_fetch_and_add, etc.).</li>
+
 </ul>