Support Bigint parameters in Int32x4 constructor

runtime/lib/simd128.cc

 // 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.
 
 #include "vm/bootstrap_natives.h"
 
 #include "vm/exceptions.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/symbols.h"
@@ skipping 388 matching lines @@
 }
 
 
 DEFINE_NATIVE_ENTRY(Int32x4_fromInts, 5) {
   ASSERT(AbstractTypeArguments::CheckedHandle(
       arguments->NativeArgAt(0)).IsNull());
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, x, arguments->NativeArgAt(1));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, y, arguments->NativeArgAt(2));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, z, arguments->NativeArgAt(3));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, w, arguments->NativeArgAt(4));
-  int32_t _x = static_cast<int32_t>(x.AsInt64Value() & 0xFFFFFFFF);
-  int32_t _y = static_cast<int32_t>(y.AsInt64Value() & 0xFFFFFFFF);
-  int32_t _z = static_cast<int32_t>(z.AsInt64Value() & 0xFFFFFFFF);
-  int32_t _w = static_cast<int32_t>(w.AsInt64Value() & 0xFFFFFFFF);
+  int32_t _x = static_cast<int32_t>(x.AsTruncatedUint32Value());
+  int32_t _y = static_cast<int32_t>(y.AsTruncatedUint32Value());
+  int32_t _z = static_cast<int32_t>(z.AsTruncatedUint32Value());
+  int32_t _w = static_cast<int32_t>(w.AsTruncatedUint32Value());
   return Int32x4::New(_x, _y, _z, _w);
 }
 
 
 DEFINE_NATIVE_ENTRY(Int32x4_fromBools, 5) {
   ASSERT(AbstractTypeArguments::CheckedHandle(
       arguments->NativeArgAt(0)).IsNull());
   GET_NON_NULL_NATIVE_ARGUMENT(Bool, x, arguments->NativeArgAt(1));
   GET_NON_NULL_NATIVE_ARGUMENT(Bool, y, arguments->NativeArgAt(2));
   GET_NON_NULL_NATIVE_ARGUMENT(Bool, z, arguments->NativeArgAt(3));
@@ skipping 279 matching lines @@
   // Perform select.
   float32_int32 tempX((_maskX & tvx.u) | (~_maskX & fvx.u));
   float32_int32 tempY((_maskY & tvy.u) | (~_maskY & fvy.u));
   float32_int32 tempZ((_maskZ & tvz.u) | (~_maskZ & fvz.u));
   float32_int32 tempW((_maskW & tvw.u) | (~_maskW & fvw.u));
   return Float32x4::New(tempX.f, tempY.f, tempZ.f, tempW.f);
 }
 
 
 }  // namespace dart