1 // Copyright 2013 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
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.
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.
28 // Flags: --track-fields --track-double-fields --allow-natives-syntax
30 function smi_field() {
34 function check_smi_repr(o, d1, d2) {
42 var test = smi_field();
43 check_smi_repr(smi_field(), 5, 3);
44 check_smi_repr(smi_field(), 6, 2);
45 %OptimizeFunctionOnNextCall(check_smi_repr);
46 var val = check_smi_repr(smi_field(), 8, 1);
47 assertTrue(%HaveSameMap(val, test));
49 function tagged_smi_field() {
50 var o = {"tag":false};
55 function check_smi_repr_from_tagged(o, o2) {
61 check_smi_repr_from_tagged(smi_field(), tagged_smi_field());
62 check_smi_repr_from_tagged(smi_field(), tagged_smi_field());
63 %OptimizeFunctionOnNextCall(check_smi_repr_from_tagged);
64 var val = check_smi_repr_from_tagged(smi_field(), tagged_smi_field());
65 assertTrue(%HaveSameMap(val, test));
66 var overflow = tagged_smi_field();
67 overflow.tag = 0x80000000;
68 var val = check_smi_repr_from_tagged(smi_field(), overflow);