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comparison: js/src/jit-test/tests/basic/testShiftRightArithmetic.js
js/src/jit-test/tests/basic/testShiftRightArithmetic.js
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| -1:000000000000 | 0:2ec432e4e4d9 |
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| 1 /* Test the proper operation of the arithmetic right shift operator. This is | |
| 2 * especially important on ARM as an explicit mask is required at the native | |
| 3 * instruction level. */ | |
| 4 | |
| 5 load(libdir + 'range.js'); | |
| 6 | |
| 7 /* Test different combinations of literals/variables. */ | |
| 8 var s = 4; | |
| 9 var t = 100; | |
| 10 assertEq(42 >> s, 2); | |
| 11 assertEq(s >> 1, 2); | |
| 12 assertEq(23 >> 3, 2); | |
| 13 assertEq(t >> s, 6); | |
| 14 | |
| 15 | |
| 16 function testShiftRightArithmetic() | |
| 17 { | |
| 18 var r = []; | |
| 19 var i = 0; | |
| 20 var j = 0; | |
| 21 | |
| 22 var shifts = [0,1,7,8,15,16,23,24,31]; | |
| 23 | |
| 24 /* Samples from the simple shift range. */ | |
| 25 for (i = 0; i < shifts.length; i++) | |
| 26 r[j++] = -2147483648 >> shifts[i]; | |
| 27 | |
| 28 /* Samples outside the normal shift range. */ | |
| 29 for (i = 0; i < shifts.length; i++) | |
| 30 r[j++] = -2147483648 >> (shifts[i] + 32); | |
| 31 | |
| 32 /* Samples far outside the normal shift range. */ | |
| 33 for (i = 0; i < shifts.length; i++) | |
| 34 r[j++] = -2147483648 >> (shifts[i] + 224); | |
| 35 for (i = 0; i < shifts.length; i++) | |
| 36 r[j++] = -2147483648 >> (shifts[i] + 256); | |
| 37 | |
| 38 return r.join(","); | |
| 39 } | |
| 40 assertEq(testShiftRightArithmetic(), | |
| 41 "-2147483648,-1073741824,-16777216,-8388608,-65536,-32768,-256,-128,-1,"+ | |
| 42 "-2147483648,-1073741824,-16777216,-8388608,-65536,-32768,-256,-128,-1,"+ | |
| 43 "-2147483648,-1073741824,-16777216,-8388608,-65536,-32768,-256,-128,-1,"+ | |
| 44 "-2147483648,-1073741824,-16777216,-8388608,-65536,-32768,-256,-128,-1"); |
