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comparison: js/src/jit-test/tests/ion/truncate.js
js/src/jit-test/tests/ion/truncate.js
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| -1:000000000000 | 0:9bc69fb45af1 |
|---|---|
| 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 } | |
| 26 | |
| 27 for (var i = 0; i <= 100000; i++) | |
| 28 f(); |
