665f0e4020
Properly deoptimize if the left hand side of a CheckedInt32Mod is negative and the result of the operation is zero. R=jarin@chromium.org BUG=v8:5286 Review-Url: https://codereview.chromium.org/2243803002 Cr-Commit-Position: refs/heads/master@{#38615}
42 lines
986 B
JavaScript
42 lines
986 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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(function() {
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function foo(x, y) { return x % y; }
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assertEquals(0, foo(2, 2));
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assertEquals(0, foo(4, 4));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(-0, foo(-8, 8));
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})();
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(function() {
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function foo(x, y) { return x % y; }
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assertEquals(0, foo(1, 1));
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assertEquals(0, foo(2, 2));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(-0, foo(-3, 3));
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})();
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(function() {
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function foo(x, y) { return x % y; }
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assertEquals(0, foo(1, 1));
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assertEquals(0, foo(2, 2));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(-0, foo(-2147483648, -1));
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})();
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(function() {
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function foo(x, y) { return x % y; }
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assertEquals(0, foo(1, 1));
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assertEquals(0, foo(2, 2));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(-0, foo(-2147483648, -2147483648));
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})();
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