Expose SIMD.Float32x4 type to Javascript.

src/code-stubs.h

 // 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.
 
 #ifndef V8_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/codegen.h"
@@ skipping 2831 matching lines @@
  public:
   enum Type {
     UNDEFINED,
     BOOLEAN,
     NULL_TYPE,
     SMI,
     SPEC_OBJECT,
     STRING,
     SYMBOL,
     HEAP_NUMBER,
+    SIMD_VALUE,
     NUMBER_OF_TYPES
   };
 
   enum ResultMode {
     RESULT_AS_SMI,             // For Smi(1) on truthy value, Smi(0) otherwise.
     RESULT_AS_ODDBALL,         // For {true} on truthy value, {false} otherwise.
     RESULT_AS_INVERSE_ODDBALL  // For {false} on truthy value, {true} otherwise.
   };
 
   // At most 16 different types can be distinguished, because the Code object
@@ skipping 220 matching lines @@
 #undef DEFINE_PLATFORM_CODE_STUB
 #undef DEFINE_HANDLER_CODE_STUB
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromType(Type* type);
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_