dc330f2bd3
Unfortunately, I was unable to produce a repro without asm.js. In normal JavaScript, the bounds check renaming saves us. I have not done anything about the index variable aliasing and handling of differently sized elements yet! BUG=chromium:639210, v8:5266 Review-Url: https://codereview.chromium.org/2270793004 Cr-Commit-Position: refs/heads/master@{#38874}
39 lines
731 B
JavaScript
39 lines
731 B
JavaScript
// 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 m = (function m() {
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"use asm"
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var i32 = new Int32Array(4);
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var f64 = new Float64Array(4);
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function init() {
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i32[0] = 1;
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f64[0] = 0.1;
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}
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function load(b) {
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return (b ? 0 : i32[0]) + i32[0];
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}
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function store(b) {
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if (b|0) {
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} else {
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f64[0] = 42;
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}
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return f64[0];
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}
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return { init : init, load : load, store : store };
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})();
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m.init();
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%OptimizeFunctionOnNextCall(m.load);
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assertEquals(2, m.load());
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%OptimizeFunctionOnNextCall(m.store);
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assertEquals(0.1, m.store(1));
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