| // Copyright 2010 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. |
| |
| function non_int32() { |
| return 2600822924; // It's not a signed Int32. |
| } |
| |
| function hidden_smi() { |
| return 46512102; // It's a Smi |
| } |
| |
| function hidden_int32() { |
| return 1600822924; // It's a signed Int32. |
| } |
| |
| function f() { |
| var x = non_int32(); // Not a constant. |
| var y = hidden_smi(); // Not a constant. |
| var z = hidden_int32(); |
| assertEquals(46512102 & 2600822924, 46512102 & x, "1"); |
| assertEquals(1600822924 & 2600822924, 1600822924 & x, "2"); |
| assertEquals(2600822924 & 2600822924, 2600822924 & x, "3"); |
| assertEquals(46512102 & 46512102, 46512102 & y, "4"); |
| assertEquals(1600822924 & 46512102, 1600822924 & y, "5"); |
| assertEquals(2600822924 & 46512102, 2600822924 & y, "6"); |
| assertEquals(46512102 & 1600822924, 46512102 & z, "7"); |
| assertEquals(1600822924 & 1600822924, 1600822924 & z, "8"); |
| assertEquals(2600822924 & 1600822924, 2600822924 & z, "9"); |
| assertEquals(46512102 & 2600822924, y & x, "10"); |
| assertEquals(1600822924 & 2600822924, z & x, "11"); |
| |
| assertEquals(46512102 & 2600822924, x & 46512102, "1rev"); |
| assertEquals(1600822924 & 2600822924, x & 1600822924, "2rev"); |
| assertEquals(2600822924 & 2600822924, x & 2600822924, "3rev"); |
| assertEquals(46512102 & 46512102, y & 46512102, "4rev"); |
| assertEquals(1600822924 & 46512102, y & 1600822924, "5rev"); |
| assertEquals(2600822924 & 46512102, y & 2600822924, "6rev"); |
| assertEquals(46512102 & 1600822924, z & 46512102, "7rev"); |
| assertEquals(1600822924 & 1600822924, z & 1600822924, "8rev"); |
| assertEquals(2600822924 & 1600822924, z & 2600822924, "9rev"); |
| assertEquals(46512102 & 2600822924, x & y, "10rev"); |
| assertEquals(1600822924 & 2600822924, x & z, "11rev"); |
| |
| assertEquals((46512102 & -0x20123456) | 1, (y & -0x20123456) | 1, "12"); |
| assertEquals((1600822924 & -0x20123456) | 1, (z & -0x20123456) | 1, "13"); |
| assertEquals((2600822924 & -0x20123456) | 1, (x & -0x20123456) | 1, "14"); |
| assertEquals((46512102 & -0x20123456) | 1, (-0x20123456 & y) | 1, "12rev"); |
| assertEquals((1600822924 & -0x20123456) | 1, (-0x20123456 & z) | 1, "13rev"); |
| assertEquals((2600822924 & -0x20123456) | 1, (-0x20123456 & x) | 1, "14rev"); |
| |
| assertEquals(2600822924 & 2600822924, x & x, "xx"); |
| assertEquals(y, y & y, "yy"); |
| assertEquals(z, z & z, "zz"); |
| } |
| |
| |
| for (var i = 0; i < 5; i++) { |
| f(); |
| } |