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 c95f0b8..14b2f6e 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -745,6 +745,10 @@
<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>