MIPS: Enable logical shift right and bitwise And matching to Ext, Dext.

src/compiler/mips/instruction-codes-mips.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_MIPS_INSTRUCTION_CODES_MIPS_H_
 #define V8_COMPILER_MIPS_INSTRUCTION_CODES_MIPS_H_
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 12 matching lines @@
   V(MipsDivU)                      \
   V(MipsMod)                       \
   V(MipsModU)                      \
   V(MipsAnd)                       \
   V(MipsOr)                        \
   V(MipsXor)                       \
   V(MipsClz)                       \
   V(MipsShl)                       \
   V(MipsShr)                       \
   V(MipsSar)                       \
+  V(MipsExt)                       \
   V(MipsRor)                       \
   V(MipsMov)                       \
   V(MipsTst)                       \
   V(MipsCmp)                       \
   V(MipsCmpS)                      \
   V(MipsAddS)                      \
   V(MipsSubS)                      \
   V(MipsMulS)                      \
   V(MipsDivS)                      \
   V(MipsModS)                      \
@@ skipping 62 matching lines @@
 #define TARGET_ADDRESSING_MODE_LIST(V) \
   V(MRI) /* [%r0 + K] */               \
   V(MRR) /* [%r0 + %r1] */
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_MIPS_INSTRUCTION_CODES_MIPS_H_