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 = this; 6 var buffer = new ArrayBuffer(64 * 1024); 7 var foreign = {} 8 9 10 var m = (function Module(stdlib, foreign, heap) { 11 "use asm"; 12 var MEM16 = new stdlib.Int16Array(heap); 13 function load(i) { 14 i = i|0; 15 i = MEM16[i >> 1]|0; 16 return i; 17 } 18 function store(i, v) { 19 i = i|0; 20 v = v|0; 21 MEM16[i >> 1] = v; 22 } 23 function load8(i) { 24 i = i|0; 25 i = MEM16[i + 8 >> 1]|0; 26 return i; 27 } 28 function store8(i, v) { 29 i = i|0; 30 v = v|0; 31 MEM16[i + 8 >> 1] = v; 32 } 33 return { load: load, store: store, load8: load8, store8: store8 }; 34 })(stdlib, foreign, buffer); 35 36 assertEquals(0, m.load(-8)); 37 assertEquals(0, m.load8(-16)); 38 m.store(0, 42); 39 assertEquals(42, m.load8(-8)); 40 m.store8(-8, 99); 41 assertEquals(99, m.load(0)); 42 assertEquals(99, m.load8(-8)); 43
