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Issue 208503007: Revert "This implements allocating small typed arrays in heap." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 9 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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93 %_TypedArrayInitialize(obj, ARRAY_ID, buffer, offset, newByteLength); 93 %_TypedArrayInitialize(obj, ARRAY_ID, buffer, offset, newByteLength);
94 } 94 }
95 95
96 function NAMEConstructByLength(obj, length) { 96 function NAMEConstructByLength(obj, length) {
97 var l = IS_UNDEFINED(length) ? 97 var l = IS_UNDEFINED(length) ?
98 0 : ToPositiveInteger(length, "invalid_typed_array_length"); 98 0 : ToPositiveInteger(length, "invalid_typed_array_length");
99 if (l > %_MaxSmi()) { 99 if (l > %_MaxSmi()) {
100 throw MakeRangeError("invalid_typed_array_length"); 100 throw MakeRangeError("invalid_typed_array_length");
101 } 101 }
102 var byteLength = l * ELEMENT_SIZE; 102 var byteLength = l * ELEMENT_SIZE;
103 if (byteLength > %_TypedArrayMaxSizeInHeap()) { 103 var buffer = new $ArrayBuffer(byteLength);
104 var buffer = new $ArrayBuffer(byteLength); 104 %_TypedArrayInitialize(obj, ARRAY_ID, buffer, 0, byteLength);
105 %_TypedArrayInitialize(obj, ARRAY_ID, buffer, 0, byteLength);
106 } else {
107 %_TypedArrayInitialize(obj, ARRAY_ID, null, 0, byteLength);
108 }
109 } 105 }
110 106
111 function NAMEConstructByArrayLike(obj, arrayLike) { 107 function NAMEConstructByArrayLike(obj, arrayLike) {
112 var length = arrayLike.length; 108 var length = arrayLike.length;
113 var l = ToPositiveInteger(length, "invalid_typed_array_length"); 109 var l = ToPositiveInteger(length, "invalid_typed_array_length");
114 110
115 if (l > %_MaxSmi()) { 111 if (l > %_MaxSmi()) {
116 throw MakeRangeError("invalid_typed_array_length"); 112 throw MakeRangeError("invalid_typed_array_length");
117 } 113 }
118 if(!%TypedArrayInitializeFromArrayLike(obj, ARRAY_ID, arrayLike, l)) { 114 if(!%TypedArrayInitializeFromArrayLike(obj, ARRAY_ID, arrayLike, l)) {
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466 462
467 "getFloat32", DataViewGetFloat32, 463 "getFloat32", DataViewGetFloat32,
468 "setFloat32", DataViewSetFloat32, 464 "setFloat32", DataViewSetFloat32,
469 465
470 "getFloat64", DataViewGetFloat64, 466 "getFloat64", DataViewGetFloat64,
471 "setFloat64", DataViewSetFloat64 467 "setFloat64", DataViewSetFloat64
472 )); 468 ));
473 } 469 }
474 470
475 SetupDataView(); 471 SetupDataView();
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