Revert of Expose SIMD.Float32x4 type to Javascript.

test/cctest/test-simd.cc

-// 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.
-
-#include "src/v8.h"
-
-#include "src/objects.h"
-#include "src/ostreams.h"
-#include "test/cctest/cctest.h"
-
-using namespace v8::internal;
-
-
-TEST(SameValue) {
-  CcTest::InitializeVM();
-  Isolate* isolate = CcTest::i_isolate();
-  Factory* factory = isolate->factory();
-
-  HandleScope sc(isolate);
-
-  float nan = std::numeric_limits<float>::quiet_NaN();
-
-  Handle<Float32x4> a = factory->NewFloat32x4(0, 0, 0, 0);
-  Handle<Float32x4> b = factory->NewFloat32x4(0, 0, 0, 0);
-  CHECK(a->SameValue(*b));
-  for (int i = 0; i < 4; i++) {
-    a->set_lane(i, nan);
-    CHECK(!a->SameValue(*b));
-    CHECK(!a->SameValueZero(*b));
-    b->set_lane(i, nan);
-    CHECK(a->SameValue(*b));
-    CHECK(a->SameValueZero(*b));
-    a->set_lane(i, -0.0);
-    CHECK(!a->SameValue(*b));
-    b->set_lane(i, 0);
-    CHECK(!a->SameValue(*b));
-    CHECK(a->SameValueZero(*b));
-    b->set_lane(i, -0.0);
-    CHECK(a->SameValue(*b));
-    CHECK(a->SameValueZero(*b));
-
-    a->set_lane(i, 0);
-    b->set_lane(i, 0);
-  }
-}