// Copyright 2012 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --noenable_sse4_1 --allow-natives-syntax function test1() { // Trigger overflow when converting/truncating double to integer. // Divide by 10 to avoid overflow when smi-tagging at the end. return Math.floor(-100000000000.5) / 10; } function test2() { // Trigger no overflow. return Math.floor(-100.2); } function test3() { // Trigger overflow when compensating by subtracting after compare. // Divide by 10 to avoid overflow when smi-tagging at the end. return Math.floor(-2147483648.1) / 10; } test1(); test1(); %OptimizeFunctionOnNextCall(test1); test2(); test2(); %OptimizeFunctionOnNextCall(test2); test3(); test3(); %OptimizeFunctionOnNextCall(test3); assertEquals(-10000000000.1, test1()); assertEquals(-101, test2()); assertEquals(-214748364.9, test3());