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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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2587 // Non-negative property indices are in the properties array. | 2587 // Non-negative property indices are in the properties array. |
2588 __ ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset)); | 2588 __ ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset)); |
2589 __ ldr(result, FieldMemOperand(result, offset + FixedArray::kHeaderSize)); | 2589 __ ldr(result, FieldMemOperand(result, offset + FixedArray::kHeaderSize)); |
2590 } | 2590 } |
2591 } else if (lookup.IsFound() && lookup.type() == CONSTANT_FUNCTION) { | 2591 } else if (lookup.IsFound() && lookup.type() == CONSTANT_FUNCTION) { |
2592 Handle<JSFunction> function(lookup.GetConstantFunctionFromMap(*type)); | 2592 Handle<JSFunction> function(lookup.GetConstantFunctionFromMap(*type)); |
2593 __ LoadHeapObject(result, function); | 2593 __ LoadHeapObject(result, function); |
2594 } else { | 2594 } else { |
2595 // Negative lookup. | 2595 // Negative lookup. |
2596 // Check prototypes. | 2596 // Check prototypes. |
2597 HeapObject* current = HeapObject::cast((*type)->prototype()); | 2597 Handle<HeapObject> current(HeapObject::cast((*type)->prototype())); |
2598 Heap* heap = type->GetHeap(); | 2598 Heap* heap = type->GetHeap(); |
2599 while (current != heap->null_value()) { | 2599 while (*current != heap->null_value()) { |
2600 Handle<HeapObject> link(current); | 2600 __ LoadHeapObject(result, current); |
2601 __ LoadHeapObject(result, link); | |
2602 __ ldr(result, FieldMemOperand(result, HeapObject::kMapOffset)); | 2601 __ ldr(result, FieldMemOperand(result, HeapObject::kMapOffset)); |
2603 __ cmp(result, Operand(Handle<Map>(JSObject::cast(current)->map()))); | 2602 __ cmp(result, Operand(Handle<Map>(current->map()))); |
2604 DeoptimizeIf(ne, env); | 2603 DeoptimizeIf(ne, env); |
2605 current = HeapObject::cast(current->map()->prototype()); | 2604 current = |
| 2605 Handle<HeapObject>(HeapObject::cast(current->map()->prototype())); |
2606 } | 2606 } |
2607 __ LoadRoot(result, Heap::kUndefinedValueRootIndex); | 2607 __ LoadRoot(result, Heap::kUndefinedValueRootIndex); |
2608 } | 2608 } |
2609 } | 2609 } |
2610 | 2610 |
2611 | 2611 |
2612 void LCodeGen::DoLoadNamedFieldPolymorphic(LLoadNamedFieldPolymorphic* instr) { | 2612 void LCodeGen::DoLoadNamedFieldPolymorphic(LLoadNamedFieldPolymorphic* instr) { |
2613 Register object = ToRegister(instr->object()); | 2613 Register object = ToRegister(instr->object()); |
2614 Register result = ToRegister(instr->result()); | 2614 Register result = ToRegister(instr->result()); |
2615 Register object_map = scratch0(); | 2615 Register object_map = scratch0(); |
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5397 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); | 5397 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); |
5398 __ ldr(result, FieldMemOperand(scratch, | 5398 __ ldr(result, FieldMemOperand(scratch, |
5399 FixedArray::kHeaderSize - kPointerSize)); | 5399 FixedArray::kHeaderSize - kPointerSize)); |
5400 __ bind(&done); | 5400 __ bind(&done); |
5401 } | 5401 } |
5402 | 5402 |
5403 | 5403 |
5404 #undef __ | 5404 #undef __ |
5405 | 5405 |
5406 } } // namespace v8::internal | 5406 } } // namespace v8::internal |
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