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 function Module(stdlib, foreign, heap) { 6 "use asm"; 7 var MEM32 = new stdlib.Float32Array(heap); 8 function load(i) { 9 i = i|0; 10 i = +MEM32[i >> 2]; 11 return i; 12 } 13 function store(i, v) { 14 i = i|0; 15 v = +v; 16 MEM32[i >> 2] = v; 17 } 18 return { load: load, store: store }; 19 } 20 21 var m = Module(this, {}, new ArrayBuffer(4)); 22 23 m.store(0, 42.0); 24 for (var i = 1; i < 64; ++i) { 25 m.store(i * 4 * 32 * 1024, i); 26 } 27 assertEquals(42.0, m.load(0)); 28 for (var i = 1; i < 64; ++i) { 29 assertEquals(NaN, m.load(i * 4 * 32 * 1024)); 30 } 31
