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Issue 228263005: Implement structural function and array types (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fixing Windows compilation Created 6 years, 8 months ago
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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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523 523
524 if (details.type() == CONSTANT) { 524 if (details.type() == CONSTANT) {
525 Handle<Object> constant(descriptors->GetValue(descriptor), masm->isolate()); 525 Handle<Object> constant(descriptors->GetValue(descriptor), masm->isolate());
526 __ CmpObject(value_reg, constant); 526 __ CmpObject(value_reg, constant);
527 __ j(not_equal, miss_label); 527 __ j(not_equal, miss_label);
528 } else if (representation.IsSmi()) { 528 } else if (representation.IsSmi()) {
529 __ JumpIfNotSmi(value_reg, miss_label); 529 __ JumpIfNotSmi(value_reg, miss_label);
530 } else if (representation.IsHeapObject()) { 530 } else if (representation.IsHeapObject()) {
531 HeapType* field_type = descriptors->GetFieldType(descriptor); 531 HeapType* field_type = descriptors->GetFieldType(descriptor);
532 if (field_type->IsClass()) { 532 if (field_type->IsClass()) {
533 __ CheckMap(value_reg, field_type->AsClass(), miss_label, DO_SMI_CHECK); 533 __ CheckMap(value_reg, field_type->AsClass()->Map(),
534 miss_label, DO_SMI_CHECK);
534 } else { 535 } else {
535 ASSERT(HeapType::Any()->Is(field_type)); 536 ASSERT(HeapType::Any()->Is(field_type));
536 __ JumpIfSmi(value_reg, miss_label); 537 __ JumpIfSmi(value_reg, miss_label);
537 } 538 }
538 } else if (representation.IsDouble()) { 539 } else if (representation.IsDouble()) {
539 Label do_store, heap_number; 540 Label do_store, heap_number;
540 __ AllocateHeapNumber(storage_reg, scratch1, scratch2, slow); 541 __ AllocateHeapNumber(storage_reg, scratch1, scratch2, slow);
541 542
542 __ JumpIfNotSmi(value_reg, &heap_number); 543 __ JumpIfNotSmi(value_reg, &heap_number);
543 __ SmiUntag(value_reg); 544 __ SmiUntag(value_reg);
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699 // object and the number of in-object properties is not going to change. 700 // object and the number of in-object properties is not going to change.
700 index -= object->map()->inobject_properties(); 701 index -= object->map()->inobject_properties();
701 702
702 Representation representation = lookup->representation(); 703 Representation representation = lookup->representation();
703 ASSERT(!representation.IsNone()); 704 ASSERT(!representation.IsNone());
704 if (representation.IsSmi()) { 705 if (representation.IsSmi()) {
705 __ JumpIfNotSmi(value_reg, miss_label); 706 __ JumpIfNotSmi(value_reg, miss_label);
706 } else if (representation.IsHeapObject()) { 707 } else if (representation.IsHeapObject()) {
707 HeapType* field_type = lookup->GetFieldType(); 708 HeapType* field_type = lookup->GetFieldType();
708 if (field_type->IsClass()) { 709 if (field_type->IsClass()) {
709 __ CheckMap(value_reg, field_type->AsClass(), miss_label, DO_SMI_CHECK); 710 __ CheckMap(value_reg, field_type->AsClass()->Map(),
711 miss_label, DO_SMI_CHECK);
710 } else { 712 } else {
711 ASSERT(HeapType::Any()->Is(field_type)); 713 ASSERT(HeapType::Any()->Is(field_type));
712 __ JumpIfSmi(value_reg, miss_label); 714 __ JumpIfSmi(value_reg, miss_label);
713 } 715 }
714 } else if (representation.IsDouble()) { 716 } else if (representation.IsDouble()) {
715 // Load the double storage. 717 // Load the double storage.
716 if (index < 0) { 718 if (index < 0) {
717 int offset = object->map()->instance_size() + (index * kPointerSize); 719 int offset = object->map()->instance_size() + (index * kPointerSize);
718 __ mov(scratch1, FieldOperand(receiver_reg, offset)); 720 __ mov(scratch1, FieldOperand(receiver_reg, offset));
719 } else { 721 } else {
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829 // Make sure there's no overlap between holder and object registers. 831 // Make sure there's no overlap between holder and object registers.
830 ASSERT(!scratch1.is(object_reg) && !scratch1.is(holder_reg)); 832 ASSERT(!scratch1.is(object_reg) && !scratch1.is(holder_reg));
831 ASSERT(!scratch2.is(object_reg) && !scratch2.is(holder_reg) 833 ASSERT(!scratch2.is(object_reg) && !scratch2.is(holder_reg)
832 && !scratch2.is(scratch1)); 834 && !scratch2.is(scratch1));
833 835
834 // Keep track of the current object in register reg. 836 // Keep track of the current object in register reg.
835 Register reg = object_reg; 837 Register reg = object_reg;
836 int depth = 0; 838 int depth = 0;
837 839
838 Handle<JSObject> current = Handle<JSObject>::null(); 840 Handle<JSObject> current = Handle<JSObject>::null();
839 if (type->IsConstant()) current = Handle<JSObject>::cast(type->AsConstant()); 841 if (type->IsConstant()) current =
842 Handle<JSObject>::cast(type->AsConstant()->Value());
840 Handle<JSObject> prototype = Handle<JSObject>::null(); 843 Handle<JSObject> prototype = Handle<JSObject>::null();
841 Handle<Map> current_map = receiver_map; 844 Handle<Map> current_map = receiver_map;
842 Handle<Map> holder_map(holder->map()); 845 Handle<Map> holder_map(holder->map());
843 // Traverse the prototype chain and check the maps in the prototype chain for 846 // Traverse the prototype chain and check the maps in the prototype chain for
844 // fast and global objects or do negative lookup for normal objects. 847 // fast and global objects or do negative lookup for normal objects.
845 while (!current_map.is_identical_to(holder_map)) { 848 while (!current_map.is_identical_to(holder_map)) {
846 ++depth; 849 ++depth;
847 850
848 // Only global objects and objects that do not require access 851 // Only global objects and objects that do not require access
849 // checks are allowed in stubs. 852 // checks are allowed in stubs.
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1547 // ----------------------------------- 1550 // -----------------------------------
1548 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); 1551 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
1549 } 1552 }
1550 1553
1551 1554
1552 #undef __ 1555 #undef __
1553 1556
1554 } } // namespace v8::internal 1557 } } // namespace v8::internal
1555 1558
1556 #endif // V8_TARGET_ARCH_IA32 1559 #endif // V8_TARGET_ARCH_IA32
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