whatever.  Intermediate patch to see what breaks.  Seems ok.

llvm-svn: 24260
diff --git a/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp b/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp
index ebbc444..fc9ace7 100644
--- a/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp
+++ b/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp
@@ -26,7 +26,9 @@
                                  unsigned& sourceReg,
                                  unsigned& destReg) const {
   MachineOpCode oc = MI.getOpcode();
-  if (oc == Alpha::BIS || oc == Alpha::CPYS) {  // or r1, r2, r2 // cpys r1 r2 r2
+  if (oc == Alpha::BIS || oc == Alpha::CPYSS || oc == Alpha::CPYST) {
+    // or r1, r2, r2 
+    // cpys(s|t) r1 r2 r2
     assert(MI.getNumOperands() == 3 &&
            MI.getOperand(0).isRegister() &&
            MI.getOperand(1).isRegister() &&