Version 0.8.10.4

dart/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 36 matching lines @@
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_zero, 1) {
   ASSERT(AbstractTypeArguments::CheckedHandle(
       arguments->NativeArgAt(0)).IsNull());
   return Float32x4::New(0.0f, 0.0f, 0.0f, 0.0f);
 }
 
 
-DEFINE_NATIVE_ENTRY(Float32x4_fromUint32x4Bits, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, v, arguments->NativeArgAt(1));
+DEFINE_NATIVE_ENTRY(Float32x4_fromInt32x4Bits, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, v, arguments->NativeArgAt(1));
   return Float32x4::New(v.value());
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_add, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, other, arguments->NativeArgAt(1));
   float _x = self.x() + other.x();
   float _y = self.y() + other.y();
   float _z = self.z() + other.z();
@@ skipping 46 matching lines @@
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_cmplt, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, a, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, b, arguments->NativeArgAt(1));
   uint32_t _x = a.x() < b.x() ? 0xFFFFFFFF : 0x0;
   uint32_t _y = a.y() < b.y() ? 0xFFFFFFFF : 0x0;
   uint32_t _z = a.z() < b.z() ? 0xFFFFFFFF : 0x0;
   uint32_t _w = a.w() < b.w() ? 0xFFFFFFFF : 0x0;
-  return Uint32x4::New(_x, _y, _z, _w);
+  return Int32x4::New(_x, _y, _z, _w);
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_cmplte, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, a, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, b, arguments->NativeArgAt(1));
   uint32_t _x = a.x() <= b.x() ? 0xFFFFFFFF : 0x0;
   uint32_t _y = a.y() <= b.y() ? 0xFFFFFFFF : 0x0;
   uint32_t _z = a.z() <= b.z() ? 0xFFFFFFFF : 0x0;
   uint32_t _w = a.w() <= b.w() ? 0xFFFFFFFF : 0x0;
-  return Uint32x4::New(_x, _y, _z, _w);
+  return Int32x4::New(_x, _y, _z, _w);
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_cmpgt, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, a, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, b, arguments->NativeArgAt(1));
   uint32_t _x = a.x() > b.x() ? 0xFFFFFFFF : 0x0;
   uint32_t _y = a.y() > b.y() ? 0xFFFFFFFF : 0x0;
   uint32_t _z = a.z() > b.z() ? 0xFFFFFFFF : 0x0;
   uint32_t _w = a.w() > b.w() ? 0xFFFFFFFF : 0x0;
-  return Uint32x4::New(_x, _y, _z, _w);
+  return Int32x4::New(_x, _y, _z, _w);
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_cmpgte, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, a, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, b, arguments->NativeArgAt(1));
   uint32_t _x = a.x() >= b.x() ? 0xFFFFFFFF : 0x0;
   uint32_t _y = a.y() >= b.y() ? 0xFFFFFFFF : 0x0;
   uint32_t _z = a.z() >= b.z() ? 0xFFFFFFFF : 0x0;
   uint32_t _w = a.w() >= b.w() ? 0xFFFFFFFF : 0x0;
-  return Uint32x4::New(_x, _y, _z, _w);
+  return Int32x4::New(_x, _y, _z, _w);
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_cmpequal, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, a, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, b, arguments->NativeArgAt(1));
   uint32_t _x = a.x() == b.x() ? 0xFFFFFFFF : 0x0;
   uint32_t _y = a.y() == b.y() ? 0xFFFFFFFF : 0x0;
   uint32_t _z = a.z() == b.z() ? 0xFFFFFFFF : 0x0;
   uint32_t _w = a.w() == b.w() ? 0xFFFFFFFF : 0x0;
-  return Uint32x4::New(_x, _y, _z, _w);
+  return Int32x4::New(_x, _y, _z, _w);
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_cmpnequal, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, a, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, b, arguments->NativeArgAt(1));
   uint32_t _x = a.x() != b.x() ? 0xFFFFFFFF : 0x0;
   uint32_t _y = a.y() != b.y() ? 0xFFFFFFFF : 0x0;
   uint32_t _z = a.z() != b.z() ? 0xFFFFFFFF : 0x0;
   uint32_t _w = a.w() != b.w() ? 0xFFFFFFFF : 0x0;
-  return Uint32x4::New(_x, _y, _z, _w);
+  return Int32x4::New(_x, _y, _z, _w);
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_scale, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Double, scale, arguments->NativeArgAt(1));
   float _s = static_cast<float>(scale.value());
   float _x = self.x() * _s;
   float _y = self.y() * _s;
   float _z = self.z() * _s;
@@ skipping 62 matching lines @@
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, self, arguments->NativeArgAt(0));
   uint32_t mx = (bit_cast<uint32_t>(self.x()) & 0x80000000) >> 31;
   uint32_t my = (bit_cast<uint32_t>(self.y()) & 0x80000000) >> 31;
   uint32_t mz = (bit_cast<uint32_t>(self.z()) & 0x80000000) >> 31;
   uint32_t mw = (bit_cast<uint32_t>(self.w()) & 0x80000000) >> 31;
   uint32_t value = mx | (my << 1) | (mz << 2) | (mw << 3);
   return Integer::New(value);
 }
 
 
-DEFINE_NATIVE_ENTRY(Uint32x4_getSignMask, 1) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
+DEFINE_NATIVE_ENTRY(Int32x4_getSignMask, 1) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
   uint32_t mx = (self.x() & 0x80000000) >> 31;
   uint32_t my = (self.y() & 0x80000000) >> 31;
   uint32_t mz = (self.z() & 0x80000000) >> 31;
   uint32_t mw = (self.w() & 0x80000000) >> 31;
   uint32_t value = mx | (my << 1) | (mz << 2) | (mw << 3);
   return Integer::New(value);
 }
 
 
 DEFINE_NATIVE_ENTRY(Float32x4_shuffle, 2) {
@@ skipping 117 matching lines @@
 DEFINE_NATIVE_ENTRY(Float32x4_reciprocalSqrt, 1) {
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, self, arguments->NativeArgAt(0));
   float _x = sqrtf(1.0f / self.x());
   float _y = sqrtf(1.0f / self.y());
   float _z = sqrtf(1.0f / self.z());
   float _w = sqrtf(1.0f / self.w());
   return Float32x4::New(_x, _y, _z, _w);
 }
 
 
-DEFINE_NATIVE_ENTRY(Uint32x4_fromInts, 5) {
+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));
-  uint32_t _x = static_cast<uint32_t>(x.AsInt64Value() & 0xFFFFFFFF);
-  uint32_t _y = static_cast<uint32_t>(y.AsInt64Value() & 0xFFFFFFFF);
-  uint32_t _z = static_cast<uint32_t>(z.AsInt64Value() & 0xFFFFFFFF);
-  uint32_t _w = static_cast<uint32_t>(w.AsInt64Value() & 0xFFFFFFFF);
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_fromBools, 5) {
+  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);
+  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));
   GET_NON_NULL_NATIVE_ARGUMENT(Bool, w, arguments->NativeArgAt(4));
-  uint32_t _x = x.value() ? 0xFFFFFFFF : 0x0;
-  uint32_t _y = y.value() ? 0xFFFFFFFF : 0x0;
-  uint32_t _z = z.value() ? 0xFFFFFFFF : 0x0;
-  uint32_t _w = w.value() ? 0xFFFFFFFF : 0x0;
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_fromFloat32x4Bits, 2) {
+  int32_t _x = x.value() ? 0xFFFFFFFF : 0x0;
+  int32_t _y = y.value() ? 0xFFFFFFFF : 0x0;
+  int32_t _z = z.value() ? 0xFFFFFFFF : 0x0;
+  int32_t _w = w.value() ? 0xFFFFFFFF : 0x0;
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_fromFloat32x4Bits, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, v, arguments->NativeArgAt(1));
-  return Uint32x4::New(v.value());
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_or, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, other, arguments->NativeArgAt(1));
-  uint32_t _x = self.x() | other.x();
-  uint32_t _y = self.y() | other.y();
-  uint32_t _z = self.z() | other.z();
-  uint32_t _w = self.w() | other.w();
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_and, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, other, arguments->NativeArgAt(1));
-  uint32_t _x = self.x() & other.x();
-  uint32_t _y = self.y() & other.y();
-  uint32_t _z = self.z() & other.z();
-  uint32_t _w = self.w() & other.w();
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_xor, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, other, arguments->NativeArgAt(1));
-  uint32_t _x = self.x() ^ other.x();
-  uint32_t _y = self.y() ^ other.y();
-  uint32_t _z = self.z() ^ other.z();
-  uint32_t _w = self.w() ^ other.w();
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_add, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, other, arguments->NativeArgAt(1));
-  uint32_t _x = self.x() + other.x();
-  uint32_t _y = self.y() + other.y();
-  uint32_t _z = self.z() + other.z();
-  uint32_t _w = self.w() + other.w();
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_sub, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, other, arguments->NativeArgAt(1));
-  uint32_t _x = self.x() - other.x();
-  uint32_t _y = self.y() - other.y();
-  uint32_t _z = self.z() - other.z();
-  uint32_t _w = self.w() - other.w();
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_getX, 1) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  uint32_t value = self.x();
+  return Int32x4::New(v.value());
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_or, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, other, arguments->NativeArgAt(1));
+  int32_t _x = self.x() | other.x();
+  int32_t _y = self.y() | other.y();
+  int32_t _z = self.z() | other.z();
+  int32_t _w = self.w() | other.w();
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_and, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, other, arguments->NativeArgAt(1));
+  int32_t _x = self.x() & other.x();
+  int32_t _y = self.y() & other.y();
+  int32_t _z = self.z() & other.z();
+  int32_t _w = self.w() & other.w();
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_xor, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, other, arguments->NativeArgAt(1));
+  int32_t _x = self.x() ^ other.x();
+  int32_t _y = self.y() ^ other.y();
+  int32_t _z = self.z() ^ other.z();
+  int32_t _w = self.w() ^ other.w();
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_add, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, other, arguments->NativeArgAt(1));
+  int32_t _x = self.x() + other.x();
+  int32_t _y = self.y() + other.y();
+  int32_t _z = self.z() + other.z();
+  int32_t _w = self.w() + other.w();
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_sub, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, other, arguments->NativeArgAt(1));
+  int32_t _x = self.x() - other.x();
+  int32_t _y = self.y() - other.y();
+  int32_t _z = self.z() - other.z();
+  int32_t _w = self.w() - other.w();
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_getX, 1) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  int32_t value = self.x();
   return Integer::New(value);
 }
 
 
-DEFINE_NATIVE_ENTRY(Uint32x4_getY, 1) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  uint32_t value = self.y();
+DEFINE_NATIVE_ENTRY(Int32x4_getY, 1) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  int32_t value = self.y();
   return Integer::New(value);
 }
 
 
-DEFINE_NATIVE_ENTRY(Uint32x4_getZ, 1) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  uint32_t value = self.z();
+DEFINE_NATIVE_ENTRY(Int32x4_getZ, 1) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  int32_t value = self.z();
   return Integer::New(value);
 }
 
 
-DEFINE_NATIVE_ENTRY(Uint32x4_getW, 1) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  uint32_t value = self.w();
+DEFINE_NATIVE_ENTRY(Int32x4_getW, 1) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  int32_t value = self.w();
   return Integer::New(value);
 }
 
 
-DEFINE_NATIVE_ENTRY(Uint32x4_shuffle, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
+DEFINE_NATIVE_ENTRY(Int32x4_shuffle, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, mask, arguments->NativeArgAt(1));
   int64_t m = mask.AsInt64Value();
   ThrowMaskRangeException(m);
-  uint32_t data[4] = { self.x(), self.y(), self.z(), self.w() };
-  uint32_t _x = data[m & 0x3];
-  uint32_t _y = data[(m >> 2) & 0x3];
-  uint32_t _z = data[(m >> 4) & 0x3];
-  uint32_t _w = data[(m >> 6) & 0x3];
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_shuffleMix, 3) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, zw, arguments->NativeArgAt(1));
+  int32_t data[4] = { self.x(), self.y(), self.z(), self.w() };
+  int32_t _x = data[m & 0x3];
+  int32_t _y = data[(m >> 2) & 0x3];
+  int32_t _z = data[(m >> 4) & 0x3];
+  int32_t _w = data[(m >> 6) & 0x3];
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_shuffleMix, 3) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, zw, arguments->NativeArgAt(1));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, mask, arguments->NativeArgAt(2));
   int64_t m = mask.AsInt64Value();
   ThrowMaskRangeException(m);
-  uint32_t data[4] = { self.x(), self.y(), self.z(), self.w() };
-  uint32_t zw_data[4] = { zw.x(), zw.y(), zw.z(), zw.w() };
-  uint32_t _x = data[m & 0x3];
-  uint32_t _y = data[(m >> 2) & 0x3];
-  uint32_t _z = zw_data[(m >> 4) & 0x3];
-  uint32_t _w = zw_data[(m >> 6) & 0x3];
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_setX, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
+  int32_t data[4] = { self.x(), self.y(), self.z(), self.w() };
+  int32_t zw_data[4] = { zw.x(), zw.y(), zw.z(), zw.w() };
+  int32_t _x = data[m & 0x3];
+  int32_t _y = data[(m >> 2) & 0x3];
+  int32_t _z = zw_data[(m >> 4) & 0x3];
+  int32_t _w = zw_data[(m >> 6) & 0x3];
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_setX, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, x, arguments->NativeArgAt(1));
-  uint32_t _x = static_cast<uint32_t>(x.AsInt64Value() & 0xFFFFFFFF);
-  uint32_t _y = self.y();
-  uint32_t _z = self.z();
-  uint32_t _w = self.w();
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_setY, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
+  int32_t _x = static_cast<int32_t>(x.AsInt64Value() & 0xFFFFFFFF);
+  int32_t _y = self.y();
+  int32_t _z = self.z();
+  int32_t _w = self.w();
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_setY, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, y, arguments->NativeArgAt(1));
-  uint32_t _x = self.x();
-  uint32_t _y = static_cast<uint32_t>(y.AsInt64Value() & 0xFFFFFFFF);
-  uint32_t _z = self.z();
-  uint32_t _w = self.w();
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_setZ, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
+  int32_t _x = self.x();
+  int32_t _y = static_cast<int32_t>(y.AsInt64Value() & 0xFFFFFFFF);
+  int32_t _z = self.z();
+  int32_t _w = self.w();
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_setZ, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, z, arguments->NativeArgAt(1));
-  uint32_t _x = self.x();
-  uint32_t _y = self.y();
-  uint32_t _z = static_cast<uint32_t>(z.AsInt64Value() & 0xFFFFFFFF);
-  uint32_t _w = self.w();
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_setW, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
+  int32_t _x = self.x();
+  int32_t _y = self.y();
+  int32_t _z = static_cast<int32_t>(z.AsInt64Value() & 0xFFFFFFFF);
+  int32_t _w = self.w();
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_setW, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Integer, w, arguments->NativeArgAt(1));
-  uint32_t _x = self.x();
-  uint32_t _y = self.y();
-  uint32_t _z = self.z();
-  uint32_t _w = static_cast<uint32_t>(w.AsInt64Value() & 0xFFFFFFFF);
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_getFlagX, 1) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  uint32_t value = self.x();
+  int32_t _x = self.x();
+  int32_t _y = self.y();
+  int32_t _z = self.z();
+  int32_t _w = static_cast<int32_t>(w.AsInt64Value() & 0xFFFFFFFF);
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_getFlagX, 1) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  int32_t value = self.x();
   return Bool::Get(value != 0).raw();
 }
 
 
-DEFINE_NATIVE_ENTRY(Uint32x4_getFlagY, 1) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  uint32_t value = self.y();
+DEFINE_NATIVE_ENTRY(Int32x4_getFlagY, 1) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  int32_t value = self.y();
   return Bool::Get(value != 0).raw();
 }
 
 
-DEFINE_NATIVE_ENTRY(Uint32x4_getFlagZ, 1) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  uint32_t value = self.z();
+DEFINE_NATIVE_ENTRY(Int32x4_getFlagZ, 1) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  int32_t value = self.z();
   return Bool::Get(value != 0).raw();
 }
 
 
-DEFINE_NATIVE_ENTRY(Uint32x4_getFlagW, 1) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
-  uint32_t value = self.w();
+DEFINE_NATIVE_ENTRY(Int32x4_getFlagW, 1) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
+  int32_t value = self.w();
   return Bool::Get(value != 0).raw();
 }
 
 
-DEFINE_NATIVE_ENTRY(Uint32x4_setFlagX, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
+DEFINE_NATIVE_ENTRY(Int32x4_setFlagX, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Bool, flagX, arguments->NativeArgAt(1));
-  uint32_t _x = self.x();
-  uint32_t _y = self.y();
-  uint32_t _z = self.z();
-  uint32_t _w = self.w();
+  int32_t _x = self.x();
+  int32_t _y = self.y();
+  int32_t _z = self.z();
+  int32_t _w = self.w();
   _x = flagX.raw() == Bool::True().raw() ? 0xFFFFFFFF : 0x0;
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_setFlagY, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_setFlagY, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Bool, flagY, arguments->NativeArgAt(1));
-  uint32_t _x = self.x();
-  uint32_t _y = self.y();
-  uint32_t _z = self.z();
-  uint32_t _w = self.w();
+  int32_t _x = self.x();
+  int32_t _y = self.y();
+  int32_t _z = self.z();
+  int32_t _w = self.w();
   _y = flagY.raw() == Bool::True().raw() ? 0xFFFFFFFF : 0x0;
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_setFlagZ, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_setFlagZ, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Bool, flagZ, arguments->NativeArgAt(1));
-  uint32_t _x = self.x();
-  uint32_t _y = self.y();
-  uint32_t _z = self.z();
-  uint32_t _w = self.w();
+  int32_t _x = self.x();
+  int32_t _y = self.y();
+  int32_t _z = self.z();
+  int32_t _w = self.w();
   _z = flagZ.raw() == Bool::True().raw() ? 0xFFFFFFFF : 0x0;
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-DEFINE_NATIVE_ENTRY(Uint32x4_setFlagW, 2) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+DEFINE_NATIVE_ENTRY(Int32x4_setFlagW, 2) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Bool, flagW, arguments->NativeArgAt(1));
-  uint32_t _x = self.x();
-  uint32_t _y = self.y();
-  uint32_t _z = self.z();
-  uint32_t _w = self.w();
+  int32_t _x = self.x();
+  int32_t _y = self.y();
+  int32_t _z = self.z();
+  int32_t _w = self.w();
   _w = flagW.raw() == Bool::True().raw() ? 0xFFFFFFFF : 0x0;
-  return Uint32x4::New(_x, _y, _z, _w);
-}
-
-
-// Used to convert between uint32_t and float32 without breaking strict
+  return Int32x4::New(_x, _y, _z, _w);
+}
+
+
+// Used to convert between int32_t and float32 without breaking strict
 // aliasing rules.
-union float32_uint32 {
+union float32_int32 {
   float f;
-  uint32_t u;
-  float32_uint32(float v) {
+  int32_t u;
+  float32_int32(float v) {
     f = v;
   }
-  float32_uint32(uint32_t v) {
+  float32_int32(int32_t v) {
     u = v;
   }
 };
 
 
-DEFINE_NATIVE_ENTRY(Uint32x4_select, 3) {
-  GET_NON_NULL_NATIVE_ARGUMENT(Uint32x4, self, arguments->NativeArgAt(0));
+DEFINE_NATIVE_ENTRY(Int32x4_select, 3) {
+  GET_NON_NULL_NATIVE_ARGUMENT(Int32x4, self, arguments->NativeArgAt(0));
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, tv, arguments->NativeArgAt(1));
   GET_NON_NULL_NATIVE_ARGUMENT(Float32x4, fv, arguments->NativeArgAt(2));
-  uint32_t _maskX = self.x();
-  uint32_t _maskY = self.y();
-  uint32_t _maskZ = self.z();
-  uint32_t _maskW = self.w();
+  int32_t _maskX = self.x();
+  int32_t _maskY = self.y();
+  int32_t _maskZ = self.z();
+  int32_t _maskW = self.w();
   // Extract floats and interpret them as masks.
-  float32_uint32 tvx(tv.x());
-  float32_uint32 tvy(tv.y());
-  float32_uint32 tvz(tv.z());
-  float32_uint32 tvw(tv.w());
-  float32_uint32 fvx(fv.x());
-  float32_uint32 fvy(fv.y());
-  float32_uint32 fvz(fv.z());
-  float32_uint32 fvw(fv.w());
+  float32_int32 tvx(tv.x());
+  float32_int32 tvy(tv.y());
+  float32_int32 tvz(tv.z());
+  float32_int32 tvw(tv.w());
+  float32_int32 fvx(fv.x());
+  float32_int32 fvy(fv.y());
+  float32_int32 fvz(fv.z());
+  float32_int32 fvw(fv.w());
   // Perform select.
-  float32_uint32 tempX((_maskX & tvx.u) | (~_maskX & fvx.u));
-  float32_uint32 tempY((_maskY & tvy.u) | (~_maskY & fvy.u));
-  float32_uint32 tempZ((_maskZ & tvz.u) | (~_maskZ & fvz.u));
-  float32_uint32 tempW((_maskW & tvw.u) | (~_maskW & fvw.u));
+  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