diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td
index 7919559058b..6a4bdb58603 100644
--- a/lib/Target/X86/X86.td
+++ b/lib/Target/X86/X86.td
@@ -55,7 +55,8 @@ def Feature3DNowA  : SubtargetFeature<"3dnowa", "X863DNowLevel", "ThreeDNowA",
 // feature, because SSE2 can be disabled (e.g. for compiling OS kernels)
 // without disabling 64-bit mode.
 def Feature64Bit   : SubtargetFeature<"64bit", "HasX86_64", "true",
-                                      "Support 64-bit instructions">;
+                                      "Support 64-bit instructions",
+                                      [FeatureCMOV]>;
 def FeatureSlowBTMem : SubtargetFeature<"slow-bt-mem", "IsBTMemSlow", "true",
                                        "Bit testing of memory is slow">;
 def FeatureSSE4A   : SubtargetFeature<"sse4a", "HasSSE4A", "true",