Add mirror debugger support for SIMD.float32x4.

test/mjsunit/harmony/mirror-simd.js

+// Copyright 2015 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --expose-debug-as debug --harmony-simd
+// Test the mirror objects for SIMD values.
+
+function testMirror(simd_name, type_name, value_as_string) {
+  // Create mirror and JSON representation.
+  var value = eval(value_as_string);
+  var mirror = debug.MakeMirror(value);
+  for (var prop in mirror)
+    print(prop, mirror[prop]);
+  var serializer = debug.MakeMirrorSerializer();
+  var json = JSON.stringify(serializer.serializeValue(mirror));
+
+  // Check the mirror hierachy.
+  assertTrue(mirror instanceof debug.Mirror);
+  assertTrue(mirror instanceof debug.ValueMirror);
+  assertTrue(mirror instanceof debug[simd_name + 'Mirror']);
+
+  // Check the mirror properties.
+  assertTrue(mirror['is' + simd_name]());
+  assertEquals(type_name, mirror.type());
+  assertTrue(mirror.isPrimitive());
+  assertSame(value, mirror.value());
+  assertEquals(value_as_string, mirror.toText());
+
+  // Parse JSON representation and check.
+  var fromJSON = eval('(' + json + ')');
+  assertEquals(simd_name, fromJSON.type);
+}
+
+testMirror('Float32x4', 'float32x4', 'SIMD.Float32x4(1.25, 2.5, 3, 4)');
+testMirror('Float32x4', 'float32x4', 'SIMD.Float32x4(0, 0, NaN, 1)');
+
+testMirror('Int32x4', 'int32x4', 'SIMD.Int32x4(1, 2, 3, 4)');
+testMirror('Int16x8', 'int16x8',
+    'SIMD.Int16x8(1, 2, 3, 4, 5, 6, 7, 8)');
+testMirror('Int8x16', 'int8x16',
+    'SIMD.Int8x16(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)');
+
+testMirror('Uint32x4', 'uint32x4', 'SIMD.Uint32x4(1, 2, 3, 4)');
+testMirror('Uint16x8', 'uint16x8',
+    'SIMD.Uint16x8(1, 2, 3, 4, 5, 6, 7, 8)');
+testMirror('Uint8x16', 'uint8x16',
+    'SIMD.Uint8x16(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)');
+
+testMirror('Bool32x4', 'bool32x4', 'SIMD.Bool32x4(true, false, true, false)');
+testMirror('Bool16x8', 'bool16x8',
+    'SIMD.Bool16x8(true, false, true, false, true, false, true, false)');
+testMirror('Bool8x16', 'bool8x16',
+    'SIMD.Bool8x16(true, false, true, false, true, false, true, false, ' +
+                   'true, false, true, false, true, false, true, false)');