1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 var stdlib = {}; 6 var foreign = {}; 7 var heap = new ArrayBuffer(64 * 1024); 8 9 var rol = (function Module(stdlib, foreign, heap) { 10 "use asm"; 11 function rol(x, y) { 12 x = x | 0; 13 y = y | 0; 14 return (x << y) | (x >>> (32 - y)); 15 } 16 return { rol: rol }; 17 })(stdlib, foreign, heap).rol; 18 19 assertEquals(10, rol(10, 0)); 20 assertEquals(2, rol(1, 1)); 21 assertEquals(0x40000000, rol(1, 30)); 22 assertEquals(-0x80000000, rol(1, 31)); 23 24 var ror = (function Module(stdlib, foreign, heap) { 25 "use asm"; 26 function ror(x, y) { 27 x = x | 0; 28 y = y | 0; 29 return (x << (32 - y)) | (x >>> y); 30 } 31 return { ror: ror }; 32 })(stdlib, foreign, heap).ror; 33 34 assertEquals(10, ror(10, 0)); 35 assertEquals(-0x80000000, ror(1, 1)); 36 assertEquals(0x40000000, ror(1, 2)); 37 assertEquals(2, ror(1, 31)); 38
