Lower the select instruction when the operands are of vector type.

src/IceInstX8632.cpp

 //===- subzero/src/IceInstX8632.cpp - X86-32 instruction implementation ---===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements the InstX8632 and OperandX8632 classes,
@@ skipping 440 matching lines @@
 template <> const char *InstX8632Adc::Opcode = "adc";
 template <> const char *InstX8632Addss::Opcode = "addss";
 template <> const char *InstX8632Padd::Opcode = "padd";
 template <> const char *InstX8632Sub::Opcode = "sub";
 template <> const char *InstX8632Subps::Opcode = "subps";
 template <> const char *InstX8632Subss::Opcode = "subss";
 template <> const char *InstX8632Sbb::Opcode = "sbb";
 template <> const char *InstX8632Psub::Opcode = "psub";
 template <> const char *InstX8632And::Opcode = "and";
 template <> const char *InstX8632Pand::Opcode = "pand";
+template <> const char *InstX8632Pandn::Opcode = "pandn";
 template <> const char *InstX8632Or::Opcode = "or";
 template <> const char *InstX8632Por::Opcode = "por";
 template <> const char *InstX8632Xor::Opcode = "xor";
 template <> const char *InstX8632Pxor::Opcode = "pxor";
 template <> const char *InstX8632Imul::Opcode = "imul";
 template <> const char *InstX8632Mulps::Opcode = "mulps";
 template <> const char *InstX8632Mulss::Opcode = "mulss";
 template <> const char *InstX8632Pmullw::Opcode = "pmullw";
 template <> const char *InstX8632Pmuludq::Opcode = "pmuludq";
 template <> const char *InstX8632Div::Opcode = "div";
@@ skipping 895 matching lines @@
   default:
     Str << "???";
     break;
   }
   Str << "(";
   Var->dump(Func);
   Str << ")";
 }
 
 } // end of namespace Ice