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| 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 MEM32 = new stdlib.Float32Array(heap); |
| 13 function load(i) { |
| 14 i = i|0; |
| 15 i = +MEM32[i >> 2]; |
| 16 return i; |
| 17 } |
| 18 function store(i, v) { |
| 19 i = i|0; |
| 20 v = +v; |
| 21 MEM32[i >> 2] = v; |
| 22 } |
| 23 function load8(i) { |
| 24 i = i|0; |
| 25 i = +MEM32[i + 8 >> 2]; |
| 26 return i; |
| 27 } |
| 28 function store8(i, v) { |
| 29 i = i|0; |
| 30 v = +v; |
| 31 MEM32[i + 8 >> 2] = v; |
| 32 } |
| 33 return { load: load, store: store, load8: load8, store8: store8 }; |
| 34 })(stdlib, foreign, buffer); |
| 35 |
| 36 assertEquals(NaN, m.load(-8)); |
| 37 assertEquals(NaN, m.load8(-16)); |
| 38 m.store(0, 42.0); |
| 39 assertEquals(42.0, m.load8(-8)); |
| 40 m.store8(-8, 99.0); |
| 41 assertEquals(99.0, m.load(0)); |
| 42 assertEquals(99.0, m.load8(-8)); |
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