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comparison: js/src/jit-test/tests/basic/testShiftLeft.js
js/src/jit-test/tests/basic/testShiftLeft.js
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| -1:000000000000 | 0:46bd7a5dd44d |
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| 1 // |jit-test| valgrind | |
| 2 | |
| 3 /* Test the proper operation of the left shift operator. This is especially | |
| 4 * important on ARM as an explicit mask is required at the native instruction | |
| 5 * level. */ | |
| 6 | |
| 7 load(libdir + 'range.js'); | |
| 8 | |
| 9 function testShiftLeft() | |
| 10 { | |
| 11 var r = []; | |
| 12 var i = 0; | |
| 13 var j = 0; | |
| 14 | |
| 15 var shifts = [0,1,7,8,15,16,23,24,31]; | |
| 16 | |
| 17 /* Samples from the simple shift range. */ | |
| 18 for (i = 0; i < shifts.length; i++) | |
| 19 r[j++] = 1 << shifts[i]; | |
| 20 | |
| 21 /* Samples outside the normal shift range. */ | |
| 22 for (i = 0; i < shifts.length; i++) | |
| 23 r[j++] = 1 << (shifts[i] + 32); | |
| 24 | |
| 25 /* Samples far outside the normal shift range. */ | |
| 26 for (i = 0; i < shifts.length; i++) | |
| 27 r[j++] = 1 << (shifts[i] + 224); | |
| 28 for (i = 0; i < shifts.length; i++) | |
| 29 r[j++] = 1 << (shifts[i] + 256); | |
| 30 | |
| 31 return r.join(","); | |
| 32 } | |
| 33 | |
| 34 assertEq(testShiftLeft(), | |
| 35 "1,2,128,256,32768,65536,8388608,16777216,-2147483648,"+ | |
| 36 "1,2,128,256,32768,65536,8388608,16777216,-2147483648,"+ | |
| 37 "1,2,128,256,32768,65536,8388608,16777216,-2147483648,"+ | |
| 38 "1,2,128,256,32768,65536,8388608,16777216,-2147483648"); |
