Add add and subtract operations to Uint32x4

runtime/vm/bootstrap_natives.h

 // Copyright (c) 2012, 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_BOOTSTRAP_NATIVES_H_
 #define VM_BOOTSTRAP_NATIVES_H_
 
 #include "vm/native_entry.h"
 
 // bootstrap dart natives used in the core dart library.
@@ skipping 205 matching lines @@
   V(Float32x4_max, 2)                                                          \
   V(Float32x4_sqrt, 1)                                                         \
   V(Float32x4_reciprocal, 1)                                                   \
   V(Float32x4_reciprocalSqrt, 1)                                               \
   V(Float32x4_toUint32x4, 1)                                                   \
   V(Uint32x4_fromInts, 5)                                                      \
   V(Uint32x4_fromBools, 5)                                                     \
   V(Uint32x4_or, 2)                                                            \
   V(Uint32x4_and, 2)                                                           \
   V(Uint32x4_xor, 2)                                                           \
+  V(Uint32x4_add, 2)                                                           \
+  V(Uint32x4_sub, 2)                                                           \
   V(Uint32x4_getX, 1)                                                          \
   V(Uint32x4_getY, 1)                                                          \
   V(Uint32x4_getZ, 1)                                                          \
   V(Uint32x4_getW, 1)                                                          \
   V(Uint32x4_setX, 2)                                                          \
   V(Uint32x4_setY, 2)                                                          \
   V(Uint32x4_setZ, 2)                                                          \
   V(Uint32x4_setW, 2)                                                          \
   V(Uint32x4_getFlagX, 1)                                                      \
   V(Uint32x4_getFlagY, 1)                                                      \
@@ skipping 67 matching lines @@
   static void DN_##name(Dart_NativeArguments args);
 
   BOOTSTRAP_NATIVE_LIST(DECLARE_BOOTSTRAP_NATIVE)
 
 #undef DECLARE_BOOTSTRAP_NATIVE
 };
 
 }  // namespace dart
 
 #endif  // VM_BOOTSTRAP_NATIVES_H_