128583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// Copyright 2012 the V8 project authors. All rights reserved. 228583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// Redistribution and use in source and binary forms, with or without 328583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// modification, are permitted provided that the following conditions are 428583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// met: 528583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// 628583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// * Redistributions of source code must retain the above copyright 728583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// notice, this list of conditions and the following disclaimer. 828583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// * Redistributions in binary form must reproduce the above 928583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// copyright notice, this list of conditions and the following 1028583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// disclaimer in the documentation and/or other materials provided 1128583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// with the distribution. 1228583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// * Neither the name of Google Inc. nor the names of its 1328583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// contributors may be used to endorse or promote products derived 1428583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// from this software without specific prior written permission. 1528583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// 1628583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1728583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1828583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1928583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2028583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2128583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2228583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2328583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2428583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2528583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2628583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2728583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org 2828583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org// Flags: --allow-natives-syntax 2928583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org 3028583c92ca8f528df625800519088ac88996d504jkummerow@chromium.orgfunction test(i) { 3128583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org // Overwrite random parts of the transcendental cache. 3228583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org Math.sin(i / 1779 * Math.PI); 3328583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org // Check whether the first cache line has been accidentally overwritten 3428583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org // with incorrect key. 3528583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org assertEquals(0, Math.sin(0)); 3628583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org} 3728583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org 3828583c92ca8f528df625800519088ac88996d504jkummerow@chromium.orgfor (i = 0; i < 10000; ++i) { 3928583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org test(i); 4028583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org if (i == 0) %OptimizeFunctionOnNextCall(test); 4128583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org} 42