Eliminated the classification of control registers into %ecr_
and %rcr_, leaving just %cr_ which is what people expect.
Updated the disassembler to support this unified register set.
Added a testcase to verify that the registers continue to be
decoded correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103196 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/Disassembler/X86Disassembler.cpp b/lib/Target/X86/Disassembler/X86Disassembler.cpp
index 797fd89..8a5a630 100644
--- a/lib/Target/X86/Disassembler/X86Disassembler.cpp
+++ b/lib/Target/X86/Disassembler/X86Disassembler.cpp
@@ -420,8 +420,7 @@
   case TYPE_XMM64:
   case TYPE_XMM128:
   case TYPE_DEBUGREG:
-  case TYPE_CR32:
-  case TYPE_CR64:
+  case TYPE_CONTROLREG:
     return translateRMRegister(mcInst, insn);
   case TYPE_M:
   case TYPE_M8: