js/src/jit-test/tests/ion/truncate.js@6474c204b198
js/src/jit-test/tests/ion/truncate.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 function f() {
2 var x = Math.pow(2, 31); // take it as argument if constant propagation comes in you way.
3 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 32
4 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 33
5 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 34
6 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 35
7 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 36
8 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 37
9 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 38
10 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 39
11 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 40
12 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 41
13 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 42
14 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 43
15 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 44
16 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 45
17 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 46
18 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 47
19 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 48
20 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 49
21 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 50
22 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 51
23 x = x + x; assertEq((x + 1) | 0, 1); // 2 ** 52
24 x = x + x; assertEq((x + 1) | 0, 0); // 2 ** 53
25 }
27 for (var i = 0; i <= 100000; i++)
28 f();
