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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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489 | 489 |
490 if (details.type() == CONSTANT) { | 490 if (details.type() == CONSTANT) { |
491 Handle<Object> constant(descriptors->GetValue(descriptor), masm->isolate()); | 491 Handle<Object> constant(descriptors->GetValue(descriptor), masm->isolate()); |
492 __ Cmp(value_reg, constant); | 492 __ Cmp(value_reg, constant); |
493 __ j(not_equal, miss_label); | 493 __ j(not_equal, miss_label); |
494 } else if (representation.IsSmi()) { | 494 } else if (representation.IsSmi()) { |
495 __ JumpIfNotSmi(value_reg, miss_label); | 495 __ JumpIfNotSmi(value_reg, miss_label); |
496 } else if (representation.IsHeapObject()) { | 496 } else if (representation.IsHeapObject()) { |
497 HeapType* field_type = descriptors->GetFieldType(descriptor); | 497 HeapType* field_type = descriptors->GetFieldType(descriptor); |
498 if (field_type->IsClass()) { | 498 if (field_type->IsClass()) { |
499 __ CheckMap(value_reg, field_type->AsClass(), miss_label, DO_SMI_CHECK); | 499 __ CheckMap(value_reg, field_type->AsClass()->Map(), |
| 500 miss_label, DO_SMI_CHECK); |
500 } else { | 501 } else { |
501 ASSERT(HeapType::Any()->Is(field_type)); | 502 ASSERT(HeapType::Any()->Is(field_type)); |
502 __ JumpIfSmi(value_reg, miss_label); | 503 __ JumpIfSmi(value_reg, miss_label); |
503 } | 504 } |
504 } else if (representation.IsDouble()) { | 505 } else if (representation.IsDouble()) { |
505 Label do_store, heap_number; | 506 Label do_store, heap_number; |
506 __ AllocateHeapNumber(storage_reg, scratch1, slow); | 507 __ AllocateHeapNumber(storage_reg, scratch1, slow); |
507 | 508 |
508 __ JumpIfNotSmi(value_reg, &heap_number); | 509 __ JumpIfNotSmi(value_reg, &heap_number); |
509 __ SmiToInteger32(scratch1, value_reg); | 510 __ SmiToInteger32(scratch1, value_reg); |
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639 // object and the number of in-object properties is not going to change. | 640 // object and the number of in-object properties is not going to change. |
640 index -= object->map()->inobject_properties(); | 641 index -= object->map()->inobject_properties(); |
641 | 642 |
642 Representation representation = lookup->representation(); | 643 Representation representation = lookup->representation(); |
643 ASSERT(!representation.IsNone()); | 644 ASSERT(!representation.IsNone()); |
644 if (representation.IsSmi()) { | 645 if (representation.IsSmi()) { |
645 __ JumpIfNotSmi(value_reg, miss_label); | 646 __ JumpIfNotSmi(value_reg, miss_label); |
646 } else if (representation.IsHeapObject()) { | 647 } else if (representation.IsHeapObject()) { |
647 HeapType* field_type = lookup->GetFieldType(); | 648 HeapType* field_type = lookup->GetFieldType(); |
648 if (field_type->IsClass()) { | 649 if (field_type->IsClass()) { |
649 __ CheckMap(value_reg, field_type->AsClass(), miss_label, DO_SMI_CHECK); | 650 __ CheckMap(value_reg, field_type->AsClass()->Map(), |
| 651 miss_label, DO_SMI_CHECK); |
650 } else { | 652 } else { |
651 ASSERT(HeapType::Any()->Is(field_type)); | 653 ASSERT(HeapType::Any()->Is(field_type)); |
652 __ JumpIfSmi(value_reg, miss_label); | 654 __ JumpIfSmi(value_reg, miss_label); |
653 } | 655 } |
654 } else if (representation.IsDouble()) { | 656 } else if (representation.IsDouble()) { |
655 // Load the double storage. | 657 // Load the double storage. |
656 if (index < 0) { | 658 if (index < 0) { |
657 int offset = object->map()->instance_size() + (index * kPointerSize); | 659 int offset = object->map()->instance_size() + (index * kPointerSize); |
658 __ movp(scratch1, FieldOperand(receiver_reg, offset)); | 660 __ movp(scratch1, FieldOperand(receiver_reg, offset)); |
659 } else { | 661 } else { |
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746 ASSERT(!scratch2.is(object_reg) && !scratch2.is(holder_reg) | 748 ASSERT(!scratch2.is(object_reg) && !scratch2.is(holder_reg) |
747 && !scratch2.is(scratch1)); | 749 && !scratch2.is(scratch1)); |
748 | 750 |
749 // Keep track of the current object in register reg. On the first | 751 // Keep track of the current object in register reg. On the first |
750 // iteration, reg is an alias for object_reg, on later iterations, | 752 // iteration, reg is an alias for object_reg, on later iterations, |
751 // it is an alias for holder_reg. | 753 // it is an alias for holder_reg. |
752 Register reg = object_reg; | 754 Register reg = object_reg; |
753 int depth = 0; | 755 int depth = 0; |
754 | 756 |
755 Handle<JSObject> current = Handle<JSObject>::null(); | 757 Handle<JSObject> current = Handle<JSObject>::null(); |
756 if (type->IsConstant()) current = Handle<JSObject>::cast(type->AsConstant()); | 758 if (type->IsConstant()) { |
| 759 current = Handle<JSObject>::cast(type->AsConstant()->Value()); |
| 760 } |
757 Handle<JSObject> prototype = Handle<JSObject>::null(); | 761 Handle<JSObject> prototype = Handle<JSObject>::null(); |
758 Handle<Map> current_map = receiver_map; | 762 Handle<Map> current_map = receiver_map; |
759 Handle<Map> holder_map(holder->map()); | 763 Handle<Map> holder_map(holder->map()); |
760 // Traverse the prototype chain and check the maps in the prototype chain for | 764 // Traverse the prototype chain and check the maps in the prototype chain for |
761 // fast and global objects or do negative lookup for normal objects. | 765 // fast and global objects or do negative lookup for normal objects. |
762 while (!current_map.is_identical_to(holder_map)) { | 766 while (!current_map.is_identical_to(holder_map)) { |
763 ++depth; | 767 ++depth; |
764 | 768 |
765 // Only global objects and objects that do not require access | 769 // Only global objects and objects that do not require access |
766 // checks are allowed in stubs. | 770 // checks are allowed in stubs. |
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1454 // ----------------------------------- | 1458 // ----------------------------------- |
1455 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | 1459 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
1456 } | 1460 } |
1457 | 1461 |
1458 | 1462 |
1459 #undef __ | 1463 #undef __ |
1460 | 1464 |
1461 } } // namespace v8::internal | 1465 } } // namespace v8::internal |
1462 | 1466 |
1463 #endif // V8_TARGET_ARCH_X64 | 1467 #endif // V8_TARGET_ARCH_X64 |
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