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Side by Side Diff: src/typedarray.js

Issue 59023003: Generate TypedArrayInitialize builtin in hydrogen. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: CR feedback Created 7 years, 1 month 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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71 if (bufferByteLength % ELEMENT_SIZE !== 0) { 71 if (bufferByteLength % ELEMENT_SIZE !== 0) {
72 throw MakeRangeError("invalid_typed_array_alignment", 72 throw MakeRangeError("invalid_typed_array_alignment",
73 "byte length", "NAME", ELEMENT_SIZE); 73 "byte length", "NAME", ELEMENT_SIZE);
74 } 74 }
75 newByteLength = bufferByteLength - offset; 75 newByteLength = bufferByteLength - offset;
76 newLength = newByteLength / ELEMENT_SIZE; 76 newLength = newByteLength / ELEMENT_SIZE;
77 } else { 77 } else {
78 var newLength = ToPositiveInteger(length, "invalid_typed_array_length"); 78 var newLength = ToPositiveInteger(length, "invalid_typed_array_length");
79 newByteLength = newLength * ELEMENT_SIZE; 79 newByteLength = newLength * ELEMENT_SIZE;
80 } 80 }
81 if (offset + newByteLength > bufferByteLength) { 81 if ((offset + newByteLength > bufferByteLength)
82 || (newLength > %MaxSmi())) {
82 throw MakeRangeError("invalid_typed_array_length"); 83 throw MakeRangeError("invalid_typed_array_length");
83 } 84 }
84 %TypedArrayInitialize(obj, ARRAY_ID, buffer, offset, newByteLength); 85 %TypedArrayInitialize(obj, ARRAY_ID, buffer, offset, newByteLength);
85 } 86 }
86 87
87 function NAMEConstructByLength(obj, length) { 88 function NAMEConstructByLength(obj, length) {
88 var l = IS_UNDEFINED(length) ? 89 var l = IS_UNDEFINED(length) ?
89 0 : ToPositiveInteger(length, "invalid_typed_array_length"); 90 0 : ToPositiveInteger(length, "invalid_typed_array_length");
90 if (l > %MaxSmi()) { 91 if (l > %MaxSmi()) {
91 throw MakeRangeError("invalid_typed_array_length"); 92 throw MakeRangeError("invalid_typed_array_length");
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432 433
433 "getFloat32", DataViewGetFloat32, 434 "getFloat32", DataViewGetFloat32,
434 "setFloat32", DataViewSetFloat32, 435 "setFloat32", DataViewSetFloat32,
435 436
436 "getFloat64", DataViewGetFloat64, 437 "getFloat64", DataViewGetFloat64,
437 "setFloat64", DataViewSetFloat64 438 "setFloat64", DataViewSetFloat64
438 )); 439 ));
439 } 440 }
440 441
441 SetupDataView(); 442 SetupDataView();
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