[x64] supplement SSE insturctions for SIMD.js

src/globals.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_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 712 matching lines @@
 
 // DOUBLE_POINTER_ALIGN returns the value algined for double pointers.
 #define DOUBLE_POINTER_ALIGN(value) \
   (((value) + kDoubleAlignmentMask) & ~kDoubleAlignmentMask)
 
 
 // CPU feature flags.
 enum CpuFeature {
   // x86
   SSE4_1,
+  SSSE3,
   SSE3,
   SAHF,
   AVX,
   FMA3,
   BMI1,
   BMI2,
   LZCNT,
   POPCNT,
   ATOM,
   // ARM
@@ skipping 430 matching lines @@
   LIVE_EDIT_FRAME_DROPPED_IN_RETURN_CALL,
   LIVE_EDIT_CURRENTLY_SET_MODE
 };
 
 }  // namespace internal
 }  // namespace v8
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_