| // 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: --allow-natives-syntax |
| |
| function RunOneTruncationTest(a, b) { |
| var temp = a | 0; |
| assertEquals(b, temp); |
| }; |
| %PrepareFunctionForOptimization(RunOneTruncationTest); |
| function RunAllTruncationTests() { |
| RunOneTruncationTest(0, 0); |
| RunOneTruncationTest(0.5, 0); |
| RunOneTruncationTest(-0.5, 0); |
| RunOneTruncationTest(1.5, 1); |
| RunOneTruncationTest(-1.5, -1); |
| RunOneTruncationTest(5.5, 5); |
| RunOneTruncationTest(-5.0, -5); |
| RunOneTruncationTest(NaN, 0); |
| RunOneTruncationTest(Infinity, 0); |
| RunOneTruncationTest(-NaN, 0); |
| RunOneTruncationTest(-Infinity, 0); |
| |
| RunOneTruncationTest(4.5036e+15, 0x1635E000); |
| RunOneTruncationTest(-4.5036e+15, -372629504); |
| |
| RunOneTruncationTest(4503603922337791.0, -1); |
| RunOneTruncationTest(-4503603922337791.0, 1); |
| RunOneTruncationTest(4503601774854143.0, 2147483647); |
| RunOneTruncationTest(-4503601774854143.0, -2147483647); |
| RunOneTruncationTest(9007207844675582.0, -2); |
| RunOneTruncationTest(-9007207844675582.0, 2); |
| |
| RunOneTruncationTest(2.4178527921507624e+24, -536870912); |
| RunOneTruncationTest(-2.4178527921507624e+24, 536870912); |
| RunOneTruncationTest(2.417853945072267e+24, -536870912); |
| RunOneTruncationTest(-2.417853945072267e+24, 536870912); |
| |
| RunOneTruncationTest(4.8357055843015248e+24, -1073741824); |
| RunOneTruncationTest(-4.8357055843015248e+24, 1073741824); |
| RunOneTruncationTest(4.8357078901445341e+24, -1073741824); |
| RunOneTruncationTest(-4.8357078901445341e+24, 1073741824); |
| |
| RunOneTruncationTest(9.6714111686030497e+24, -2147483648); |
| RunOneTruncationTest(-9.6714111686030497e+24, -2147483648); |
| RunOneTruncationTest(9.6714157802890681e+24, -2147483648); |
| RunOneTruncationTest(-9.6714157802890681e+24, -2147483648); |
| } |
| |
| RunAllTruncationTests(); |
| RunAllTruncationTests(); |
| %OptimizeFunctionOnNextCall(RunOneTruncationTest); |
| RunAllTruncationTests(); |
| RunAllTruncationTests(); |
