Revert of Remove SIMD.js from V8.

src/objects-debug.cc

 // Copyright 2012 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/objects.h"
 
 #include "src/bootstrapper.h"
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/field-type.h"
@@ skipping 46 matching lines @@
     case SYMBOL_TYPE:
       Symbol::cast(this)->SymbolVerify();
       break;
     case MAP_TYPE:
       Map::cast(this)->MapVerify();
       break;
     case HEAP_NUMBER_TYPE:
     case MUTABLE_HEAP_NUMBER_TYPE:
       HeapNumber::cast(this)->HeapNumberVerify();
       break;
+    case SIMD128_VALUE_TYPE:
+      Simd128Value::cast(this)->Simd128ValueVerify();
+      break;
     case FIXED_ARRAY_TYPE:
       FixedArray::cast(this)->FixedArrayVerify();
       break;
     case FIXED_DOUBLE_ARRAY_TYPE:
       FixedDoubleArray::cast(this)->FixedDoubleArrayVerify();
       break;
     case BYTE_ARRAY_TYPE:
       ByteArray::cast(this)->ByteArrayVerify();
       break;
     case BYTECODE_ARRAY_TYPE:
@@ skipping 182 matching lines @@
   CHECK(HasHashCode());
   CHECK(Hash() > 0u);
   CHECK(name()->IsUndefined(GetIsolate()) || name()->IsString());
 }
 
 
 void HeapNumber::HeapNumberVerify() {
   CHECK(IsHeapNumber() || IsMutableHeapNumber());
 }
 
+
+void Simd128Value::Simd128ValueVerify() { CHECK(IsSimd128Value()); }
+
+
 void ByteArray::ByteArrayVerify() {
   CHECK(IsByteArray());
 }
 
 
 void BytecodeArray::BytecodeArrayVerify() {
   // TODO(oth): Walk bytecodes and immediate values to validate sanity.
   // - All bytecodes are known and well formed.
   // - Jumps must go to new instructions starts.
   // - No Illegal bytecodes.
@@ skipping 1276 matching lines @@
 
   // Both are done at the same time.
   CHECK_EQ(new_it.done(), old_it.done());
 }
 
 
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8