TurboFan: Introduce TaggedSigned and TaggedPointer representations.

src/compiler/machine-operator.cc

 // 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.
 
 #include "src/compiler/machine-operator.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 
@@ skipping 420 matching lines @@
   V(AnyTagged)
 
 #define MACHINE_REPRESENTATION_LIST(V) \
   V(kFloat32)                          \
   V(kFloat64)                          \
   V(kSimd128)                          \
   V(kWord8)                            \
   V(kWord16)                           \
   V(kWord32)                           \
   V(kWord64)                           \
+  V(kTaggedSigned)                     \
+  V(kTaggedPointer)                    \
   V(kTagged)
 
 #define ATOMIC_TYPE_LIST(V) \
   V(Int8)                   \
   V(Uint8)                  \
   V(Int16)                  \
   V(Uint16)                 \
   V(Int32)                  \
   V(Uint32)
 
@@ skipping 343 matching lines @@
   }
   ATOMIC_REPRESENTATION_LIST(STORE)
 #undef STORE
   UNREACHABLE();
   return nullptr;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8