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 5function Module(stdlib, foreign, heap) { 6 "use asm"; 7 var MEM32 = new stdlib.Int32Array(heap); 8 function load(i) { 9 i = i|0; 10 i = MEM32[i >> 2] | 0; 11 return i; 12 } 13 function store(i, v) { 14 i = i|0; 15 v = v|0; 16 MEM32[i >> 2] = v; 17 } 18 return { load: load, store: store }; 19} 20 21var m = Module(this, {}, new ArrayBuffer(1024)); 22 23m.store(0, 0x12345678); 24m.store(4, -1); 25m.store(8, -1); 26for (var i = 0; i < 4; ++i) { 27 assertEquals(0x12345678, m.load(i)); 28} 29for (var i = 4; i < 12; ++i) { 30 assertEquals(-1, m.load(i)); 31} 32for (var j = 4; j < 8; ++j) { 33 m.store(j, 0x11223344); 34 for (var i = 0; i < 4; ++i) { 35 assertEquals(0x12345678, m.load(i)); 36 } 37 for (var i = 4; i < 8; ++i) { 38 assertEquals(0x11223344, m.load(i)); 39 } 40 for (var i = 8; i < 12; ++i) { 41 assertEquals(-1, m.load(i)); 42 } 43} 44