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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Flags: --allow-natives-syntax | 5 // Flags: --allow-natives-syntax |
6 | 6 |
7 function loader(dst, src, i) { | |
8 dst[i] = src[i]; | |
9 } | |
10 | |
11 var ab = new ArrayBuffer(8); | 7 var ab = new ArrayBuffer(8); |
12 var i_view = new Int32Array(ab); | 8 var i_view = new Int32Array(ab); |
13 i_view[0] = 0xFFF7FFFF; | 9 i_view[0] = 0xFFF7FFFF; |
14 i_view[1] = 0xFFF7FFFF; | 10 i_view[1] = 0xFFF7FFFF; |
15 var f_view = new Float64Array(ab); | 11 var f_view = new Float64Array(ab); |
16 | 12 |
17 var fixed_double_elements = new Float64Array(1); | 13 var fixed_double_elements = new Float64Array(1); |
18 fixed_double_elements[0] = f_view[0]; | 14 fixed_double_elements[0] = f_view[0]; |
19 | 15 |
| 16 function A(src) { this.x = src[0]; } |
| 17 |
| 18 new A(fixed_double_elements); |
| 19 new A(fixed_double_elements); |
| 20 |
| 21 %OptimizeFunctionOnNextCall(A); |
| 22 |
| 23 var obj = new A(fixed_double_elements); |
| 24 |
| 25 function move_x(dst, obj) { dst[0] = obj.x; } |
| 26 |
20 var doubles = [0.5]; | 27 var doubles = [0.5]; |
21 loader(doubles, fixed_double_elements, 0); | 28 move_x(doubles, obj); |
22 loader(doubles, fixed_double_elements, 0); | 29 move_x(doubles, obj); |
23 %OptimizeFunctionOnNextCall(loader); | 30 %OptimizeFunctionOnNextCall(move_x); |
24 loader(doubles, fixed_double_elements, 0); | 31 move_x(doubles, obj); |
25 assertTrue(doubles[0] !== undefined); | 32 assertTrue(doubles[0] !== undefined); |
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