Well, add support for ct* for 21264 only.
21164 is broken until expand works.

llvm-svn: 21692
diff --git a/llvm/lib/Target/Alpha/AlphaAsmPrinter.cpp b/llvm/lib/Target/Alpha/AlphaAsmPrinter.cpp
index abfc16c..4bf7b56 100644
--- a/llvm/lib/Target/Alpha/AlphaAsmPrinter.cpp
+++ b/llvm/lib/Target/Alpha/AlphaAsmPrinter.cpp
@@ -31,6 +31,7 @@
 
 namespace llvm {
   extern cl::opt<bool> EnableAlphaFTOI;
+  extern cl::opt<bool> EnableAlphaCT;
 }
 
 namespace {
@@ -234,7 +235,7 @@
 bool AlphaAsmPrinter::doInitialization(Module &M)
 {
   AsmPrinter::doInitialization(M);
-  if(EnableAlphaFTOI)
+  if(EnableAlphaFTOI || EnableAlphaCT)
     O << "\t.arch ev6\n";
   else
     O << "\t.arch ev56\n";