6113058427
This CL exposes the constructor function, defines type related information, and implements value type semantics. It also refactors test/mjsunit/samevalue.js to test SameValue and SameValueZero. TEST=test/mjsunit/harmony/simd.js, test/cctest/test-simd.cc LOG=Y BUG=v8:4124 Committed: https://crrev.com/e5ed3bee99807c502fa7d7a367ec401e16d3f773 Cr-Commit-Position: refs/heads/master@{#29689} Review URL: https://codereview.chromium.org/1219943002 Cr-Commit-Position: refs/heads/master@{#29712}
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/v8.h"
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#include "src/objects.h"
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#include "src/ostreams.h"
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#include "test/cctest/cctest.h"
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using namespace v8::internal;
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TEST(SameValue) {
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CcTest::InitializeVM();
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Isolate* isolate = CcTest::i_isolate();
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Factory* factory = isolate->factory();
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HandleScope sc(isolate);
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float nan = std::numeric_limits<float>::quiet_NaN();
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Handle<Float32x4> a = factory->NewFloat32x4(0, 0, 0, 0);
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Handle<Float32x4> b = factory->NewFloat32x4(0, 0, 0, 0);
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CHECK(a->SameValue(*b));
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for (int i = 0; i < 4; i++) {
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a->set_lane(i, nan);
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CHECK(!a->SameValue(*b));
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CHECK(!a->SameValueZero(*b));
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b->set_lane(i, nan);
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CHECK(a->SameValue(*b));
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CHECK(a->SameValueZero(*b));
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a->set_lane(i, -0.0);
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CHECK(!a->SameValue(*b));
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b->set_lane(i, 0);
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CHECK(!a->SameValue(*b));
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CHECK(a->SameValueZero(*b));
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b->set_lane(i, -0.0);
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CHECK(a->SameValue(*b));
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CHECK(a->SameValueZero(*b));
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a->set_lane(i, 0);
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b->set_lane(i, 0);
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}
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}
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