Add a kSimd128 machine type for Turbofan.

src/compiler/instruction.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/common-operator.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/instruction.h"
 #include "src/compiler/schedule.h"
 #include "src/compiler/state-values-utils.h"
 
@@ skipping 146 matching lines @@
           break;
         case MachineRepresentation::kWord64:
           os << "|w64";
           break;
         case MachineRepresentation::kFloat32:
           os << "|f32";
           break;
         case MachineRepresentation::kFloat64:
           os << "|f64";
           break;
+        case MachineRepresentation::kSimd128:
+          os << "|s128";
+          break;
         case MachineRepresentation::kTagged:
           os << "|t";
           break;
       }
       return os << "]";
     }
     case InstructionOperand::INVALID:
       return os << "(x)";
   }
   UNREACHABLE();
@@ skipping 560 matching lines @@
 static MachineRepresentation FilterRepresentation(MachineRepresentation rep) {
   switch (rep) {
     case MachineRepresentation::kBit:
     case MachineRepresentation::kWord8:
     case MachineRepresentation::kWord16:
       return InstructionSequence::DefaultRepresentation();
     case MachineRepresentation::kWord32:
     case MachineRepresentation::kWord64:
     case MachineRepresentation::kFloat32:
     case MachineRepresentation::kFloat64:
+    case MachineRepresentation::kSimd128:
     case MachineRepresentation::kTagged:
       return rep;
     case MachineRepresentation::kNone:
       break;
   }
   UNREACHABLE();
   return MachineRepresentation::kNone;
 }
 
 
@@ skipping 219 matching lines @@
   }
   for (int i = 0; i < code.InstructionBlockCount(); i++) {
     printable.sequence_->PrintBlock(printable.register_configuration_, i);
   }
   return os;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8