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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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1383 __ CompareInstanceType(r2, r3, JS_FUNCTION_TYPE); | 1383 __ CompareInstanceType(r2, r3, JS_FUNCTION_TYPE); |
1384 __ Check(ne, "Function constructed by construct stub."); | 1384 __ Check(ne, "Function constructed by construct stub."); |
1385 #endif | 1385 #endif |
1386 | 1386 |
1387 // Now allocate the JSObject in new space. | 1387 // Now allocate the JSObject in new space. |
1388 // r0: argc | 1388 // r0: argc |
1389 // r1: constructor function | 1389 // r1: constructor function |
1390 // r2: initial map | 1390 // r2: initial map |
1391 // r7: undefined | 1391 // r7: undefined |
1392 __ ldrb(r3, FieldMemOperand(r2, Map::kInstanceSizeOffset)); | 1392 __ ldrb(r3, FieldMemOperand(r2, Map::kInstanceSizeOffset)); |
1393 __ AllocateObjectInNewSpace(r3, | 1393 __ AllocateInNewSpace(r3, |
1394 r4, | 1394 r4, |
1395 r5, | 1395 r5, |
1396 r6, | 1396 r6, |
1397 &generic_stub_call, | 1397 &generic_stub_call, |
1398 NO_ALLOCATION_FLAGS); | 1398 NO_ALLOCATION_FLAGS); |
1399 | 1399 |
1400 // Allocated the JSObject, now initialize the fields. Map is set to initial | 1400 // Allocated the JSObject, now initialize the fields. Map is set to initial |
1401 // map and properties and elements are set to empty fixed array. | 1401 // map and properties and elements are set to empty fixed array. |
1402 // r0: argc | 1402 // r0: argc |
1403 // r1: constructor function | 1403 // r1: constructor function |
1404 // r2: initial map | 1404 // r2: initial map |
1405 // r3: object size (in words) | 1405 // r3: object size (in words) |
1406 // r4: JSObject (not tagged) | 1406 // r4: JSObject (not tagged) |
1407 // r7: undefined | 1407 // r7: undefined |
1408 __ LoadRoot(r6, Heap::kEmptyFixedArrayRootIndex); | 1408 __ LoadRoot(r6, Heap::kEmptyFixedArrayRootIndex); |
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1481 __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET); | 1481 __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET); |
1482 | 1482 |
1483 // Return the generated code. | 1483 // Return the generated code. |
1484 return GetCode(); | 1484 return GetCode(); |
1485 } | 1485 } |
1486 | 1486 |
1487 | 1487 |
1488 #undef __ | 1488 #undef __ |
1489 | 1489 |
1490 } } // namespace v8::internal | 1490 } } // namespace v8::internal |
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