| // |jit-test| valgrind |
| |
| /* Test the proper operation of the left shift operator. This is especially |
| * important on ARM as an explicit mask is required at the native instruction |
| * level. */ |
| |
| load(libdir + 'range.js'); |
| |
| function testShiftLeft() |
| { |
| var r = []; |
| var i = 0; |
| var j = 0; |
| |
| var shifts = [0,1,7,8,15,16,23,24,31]; |
| |
| /* Samples from the simple shift range. */ |
| for (i = 0; i < shifts.length; i++) |
| r[j++] = 1 << shifts[i]; |
| |
| /* Samples outside the normal shift range. */ |
| for (i = 0; i < shifts.length; i++) |
| r[j++] = 1 << (shifts[i] + 32); |
| |
| /* Samples far outside the normal shift range. */ |
| for (i = 0; i < shifts.length; i++) |
| r[j++] = 1 << (shifts[i] + 224); |
| for (i = 0; i < shifts.length; i++) |
| r[j++] = 1 << (shifts[i] + 256); |
| |
| return r.join(","); |
| } |
| |
| assertEq(testShiftLeft(), |
| "1,2,128,256,32768,65536,8388608,16777216,-2147483648,"+ |
| "1,2,128,256,32768,65536,8388608,16777216,-2147483648,"+ |
| "1,2,128,256,32768,65536,8388608,16777216,-2147483648,"+ |
| "1,2,128,256,32768,65536,8388608,16777216,-2147483648"); |