1// Copyright 2012 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --noenable-sse4-1 --allow-natives-syntax 29 30function test1() { 31 // Trigger overflow when converting/truncating double to integer. 32 // Divide by 10 to avoid overflow when smi-tagging at the end. 33 return Math.floor(-100000000000.5) / 10; 34} 35 36function test2() { 37 // Trigger no overflow. 38 return Math.floor(-100.2); 39} 40 41function test3() { 42 // Trigger overflow when compensating by subtracting after compare. 43 // Divide by 10 to avoid overflow when smi-tagging at the end. 44 return Math.floor(-2147483648.1) / 10; 45} 46 47test1(); 48test1(); 49%OptimizeFunctionOnNextCall(test1); 50test2(); 51test2(); 52%OptimizeFunctionOnNextCall(test2); 53test3(); 54test3(); 55%OptimizeFunctionOnNextCall(test3); 56 57assertEquals(-10000000000.1, test1()); 58assertEquals(-101, test2()); 59assertEquals(-214748364.9, test3()); 60