[arm, arm64] Implemented unaligned scalar float access.

tests/language/vm/unaligned_float_access_literal_index_test.dart

Index: tests/language/vm/unaligned_float_access_literal_index_test.dart
diff --git a/tests/language/vm/unaligned_float_access_literal_index_test.dart b/tests/language/vm/unaligned_float_access_literal_index_test.dart
index c224dc9c8ca5c8690cd2a2f0b54b90d77ef953fa..5efdeff03b3182807adadfee9c4e0229f2c955d7 100644
--- a/tests/language/vm/unaligned_float_access_literal_index_test.dart
+++ b/tests/language/vm/unaligned_float_access_literal_index_test.dart
@@ -8,34 +8,34 @@ import 'package:expect/expect.dart';
 
 unalignedFloat32() {
   var bytes = new ByteData(64);
-  bytes.setFloat32(0, 16.25);
-  Expect.equals(16.25, bytes.getFloat32(0));
-  bytes.setFloat32(1, 32.125);
-  Expect.equals(32.125, bytes.getFloat32(1));
-  bytes.setFloat32(2, 16.25);
-  Expect.equals(16.25, bytes.getFloat32(2));
-  bytes.setFloat32(3, 32.125);
-  Expect.equals(32.125, bytes.getFloat32(3));
+  bytes.setFloat32(0, 16.25, Endianness.HOST_ENDIAN);
+  Expect.equals(16.25, bytes.getFloat32(0, Endianness.HOST_ENDIAN));
+  bytes.setFloat32(1, 32.125, Endianness.HOST_ENDIAN);
+  Expect.equals(32.125, bytes.getFloat32(1, Endianness.HOST_ENDIAN));
+  bytes.setFloat32(2, 16.25, Endianness.HOST_ENDIAN);
+  Expect.equals(16.25, bytes.getFloat32(2, Endianness.HOST_ENDIAN));
+  bytes.setFloat32(3, 32.125, Endianness.HOST_ENDIAN);
+  Expect.equals(32.125, bytes.getFloat32(3, Endianness.HOST_ENDIAN));
 }
 
 unalignedFloat64() {
   var bytes = new ByteData(64);
-  bytes.setFloat64(0, 16.25);
-  Expect.equals(16.25, bytes.getFloat64(0));
-  bytes.setFloat64(1, 32.125);
-  Expect.equals(32.125, bytes.getFloat64(1));
-  bytes.setFloat64(2, 16.25);
-  Expect.equals(16.25, bytes.getFloat64(2));
-  bytes.setFloat64(3, 32.125);
-  Expect.equals(32.125, bytes.getFloat64(3));
-  bytes.setFloat64(4, 16.25);
-  Expect.equals(16.25, bytes.getFloat64(4));
-  bytes.setFloat64(5, 32.125);
-  Expect.equals(32.125, bytes.getFloat64(5));
-  bytes.setFloat64(6, 16.25);
-  Expect.equals(16.25, bytes.getFloat64(6));
-  bytes.setFloat64(7, 32.125);
-  Expect.equals(32.125, bytes.getFloat64(7));
+  bytes.setFloat64(0, 16.25, Endianness.HOST_ENDIAN);
+  Expect.equals(16.25, bytes.getFloat64(0, Endianness.HOST_ENDIAN));
+  bytes.setFloat64(1, 32.125, Endianness.HOST_ENDIAN);
+  Expect.equals(32.125, bytes.getFloat64(1, Endianness.HOST_ENDIAN));
+  bytes.setFloat64(2, 16.25, Endianness.HOST_ENDIAN);
+  Expect.equals(16.25, bytes.getFloat64(2, Endianness.HOST_ENDIAN));
+  bytes.setFloat64(3, 32.125, Endianness.HOST_ENDIAN);
+  Expect.equals(32.125, bytes.getFloat64(3, Endianness.HOST_ENDIAN));
+  bytes.setFloat64(4, 16.25, Endianness.HOST_ENDIAN);
+  Expect.equals(16.25, bytes.getFloat64(4, Endianness.HOST_ENDIAN));
+  bytes.setFloat64(5, 32.125, Endianness.HOST_ENDIAN);
+  Expect.equals(32.125, bytes.getFloat64(5, Endianness.HOST_ENDIAN));
+  bytes.setFloat64(6, 16.25, Endianness.HOST_ENDIAN);
+  Expect.equals(16.25, bytes.getFloat64(6, Endianness.HOST_ENDIAN));
+  bytes.setFloat64(7, 32.125, Endianness.HOST_ENDIAN);
+  Expect.equals(32.125, bytes.getFloat64(7, Endianness.HOST_ENDIAN));
 }
 
 main() {