Simd128Float32, Simd128Mask, and Simd128Float32List additions for dart:scalarlist

runtime/tests/vm/dart/simd128float32_array_test.dart

+import 'dart:scalarlist';
+
+testLoadStore(array) {
+  Expect.equals(8, array.length);
+  Expect.isTrue(array is List<Simd128Float32>);
+  array[0] = new Simd128Float32(1.0, 2.0, 3.0, 4.0);
+  Expect.equals(1.0, array[0].x);
+  Expect.equals(2.0, array[0].y);
+  Expect.equals(3.0, array[0].z);
+  Expect.equals(4.0, array[0].w);
+  array[1] = array[0];
+  array[0] = array[0].setX(9.0);
+  Expect.equals(9.0, array[0].x);
+  Expect.equals(2.0, array[0].y);
+  Expect.equals(3.0, array[0].z);
+  Expect.equals(4.0, array[0].w);
+  Expect.equals(1.0, array[1].x);
+  Expect.equals(2.0, array[1].y);
+  Expect.equals(3.0, array[1].z);
+  Expect.equals(4.0, array[1].w);
+}
+
+testView(array) {
+  Expect.equals(8, array.length);
+  Expect.isTrue(array is List<Simd128Float32>);
+  Expect.equals(0.0, array[0].x);
+  Expect.equals(1.0, array[0].y);
+  Expect.equals(2.0, array[0].z);
+  Expect.equals(3.0, array[0].w);
+  Expect.equals(4.0, array[1].x);
+  Expect.equals(5.0, array[1].y);
+  Expect.equals(6.0, array[1].z);
+  Expect.equals(7.0, array[1].w);
+}
+
+main() {
+  var list;
+
+  list = new Simd128Float32List(8);
+  for (int i = 0; i < 3000; i++) {
+    testLoadStore(list);
+  }
+
+  list = new Simd128Float32List.transferable(8);
+  for (int i = 0; i < 3000; i++) {
+    testLoadStore(list);
+  }
+  Float32List floatList = new Float32List(32);
+  for (int i = 0; i < floatList.length; i++) {
+    floatList[i] = i.toDouble();
+  }
+  list = new Simd128Float32List.view(floatList.asByteArray());
+  for (int i = 0; i < 3000; i++) {
+    testView(list);
+  }
+  for (int i = 0; i < 3000; i++) {
+    testLoadStore(list);
+  }
+}