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