Add XOP feature flag.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145682 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index e7bcbf8..d7fa8ca 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -273,6 +273,8 @@
       if (IsAMD && ((ECX >> 16) & 0x1)) {
         HasFMA4 = true;
         ToggleFeature(X86::FeatureFMA4);
+        HasXOP = true;
+        ToggleFeature(X86::FeatureXOP);
       }
     }
   }
@@ -317,6 +319,7 @@
   , HasCLMUL(false)
   , HasFMA3(false)
   , HasFMA4(false)
+  , HasXOP(false)
   , HasMOVBE(false)
   , HasRDRAND(false)
   , HasF16C(false)