Add support for AMD Geode.

llvm-svn: 163710
diff --git a/llvm/lib/Target/X86/X86.td b/llvm/lib/Target/X86/X86.td
index d078a7b..def0f16 100644
--- a/llvm/lib/Target/X86/X86.td
+++ b/llvm/lib/Target/X86/X86.td
@@ -231,6 +231,7 @@
                                FeatureAES, FeaturePCLMUL,
                                FeatureF16C, FeatureLZCNT,
                                FeaturePOPCNT, FeatureBMI, FeatureFMA]>;
+def : Proc<"geode",           [Feature3DNowA]>;
 
 def : Proc<"winchip-c6",      [FeatureMMX]>;
 def : Proc<"winchip2",        [Feature3DNow]>;