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 5var stdlib = this; 6var buffer = new ArrayBuffer(64 * 1024); 7var foreign = {} 8 9 10var zext8 = (function Module(stdlib, foreign, heap) { 11 "use asm"; 12 function zext8(i) { 13 i = i|0; 14 return i & 0xff; 15 } 16 return { zext8: zext8 }; 17})(stdlib, foreign, buffer).zext8; 18 19assertEquals(0, zext8(0)); 20assertEquals(0, zext8(0x100)); 21assertEquals(0xff, zext8(-1)); 22assertEquals(0xff, zext8(0xff)); 23 24 25var zext16 = (function Module(stdlib, foreign, heap) { 26 "use asm"; 27 function zext16(i) { 28 i = i|0; 29 return i & 0xffff; 30 } 31 return { zext16: zext16 }; 32})(stdlib, foreign, buffer).zext16; 33 34assertEquals(0, zext16(0)); 35assertEquals(0, zext16(0x10000)); 36assertEquals(0xffff, zext16(-1)); 37assertEquals(0xffff, zext16(0xffff)); 38