27 lines
662 B
JavaScript
27 lines
662 B
JavaScript
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// Copyright 2016 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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// Flags: --allow-natives-syntax
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var stdlib = this;
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var foreign = {};
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var heap = new ArrayBuffer(64 * 1024 * 1024);
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var foo = (function(stdlib, foreign, heap) {
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"use asm";
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var M16 = new Int16Array(heap);
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var M32 = new Int32Array(heap);
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function foo() {
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M32[0] = 0x12341234;
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var i = M32[0];
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return M16[0];
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}
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return foo;
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})(stdlib, foreign, heap);
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assertEquals(0x1234, foo());
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assertEquals(0x1234, foo());
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(0x1234, foo());
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