[llvm] r178299 - Add ADX CPUID detection

[Michael Liao]

Author: hliao
Date: Thu Mar 28 17:29:53 2013
New Revision: 178299

URL: http://llvm.org/viewvc/llvm-project?rev=178299&view=rev
Log:
Add ADX CPUID detection


Modified:
    llvm/trunk/lib/Target/X86/X86Subtarget.cpp

Modified: llvm/trunk/lib/Target/X86/X86Subtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.cpp?rev=178299&r1=178298&r2=178299&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86Subtarget.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86Subtarget.cpp Thu Mar 28 17:29:53 2013
@@ -330,6 +330,10 @@ void X86Subtarget::AutoDetectSubtargetFe
         HasRTM = true;
         ToggleFeature(X86::FeatureRTM);
       }
+      if (IsIntel && ((EBX >> 19) & 0x1)) {
+        HasADX = true;
+        ToggleFeature(X86::FeatureADX);
+      }
     }
   }
 }