4436c2642a
This adds support for the double bits intrinsics to TurboFan, and is a first step towards fast Math functions inlined into TurboFan code or even compiled by themselves with TurboFan. Review URL: https://codereview.chromium.org/974313002 Cr-Commit-Position: refs/heads/master@{#27006}
34 lines
870 B
JavaScript
34 lines
870 B
JavaScript
// 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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// 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);
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var m = (function(stdlib, foreign, heap) {
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"use asm";
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function cd1(i, j) {
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i = i|0;
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j = j|0;
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return +%_ConstructDouble(i, j);
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}
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function cd2(i) {
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i = i|0;
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return +%_ConstructDouble(0, i);
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}
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return { cd1: cd1, cd2: cd2 };
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})(stdlib, foreign, heap);
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assertEquals(0.0, m.cd1(0, 0));
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assertEquals(%ConstructDouble(0, 1), m.cd2(1));
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for (var i = -2147483648; i < 2147483648; i += 3999773) {
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assertEquals(%ConstructDouble(0, i), m.cd2(i));
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for (var j = -2147483648; j < 2147483648; j += 3999773) {
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assertEquals(%ConstructDouble(i, j), m.cd1(i, j));
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}
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}
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