Port SIMD types from dart:scalarlist to dart:typeddata.

runtime/vm/constants_x64.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_CONSTANTS_X64_H_
 #define VM_CONSTANTS_X64_H_
 
 namespace dart {
 
 enum Register {
@@ skipping 90 matching lines @@
 // Dart stack frame layout.
 static const int kLastParamSlotIndex = 2;
 static const int kFirstLocalSlotIndex = -2;
 
 
 enum ScaleFactor {
   TIMES_1 = 0,
   TIMES_2 = 1,
   TIMES_4 = 2,
   TIMES_8 = 3,
+  TIMES_16 = 4,
   TIMES_HALF_WORD_SIZE = kWordSizeLog2 - 1
 };
 
 
 enum Condition {
   OVERFLOW      =  0,
   NO_OVERFLOW   =  1,
   BELOW         =  2,
   ABOVE_EQUAL   =  3,
   EQUAL         =  4,
@@ skipping 43 matching lines @@
 };
 
 
 // The largest multibyte nop we will emit.  This could go up to 15 if it
 // becomes important to us.
 const int MAX_NOP_SIZE = 8;
 
 }  // namespace dart
 
 #endif  // VM_CONSTANTS_X64_H_