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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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| 1579 Comment cmnt(masm_, "[ ObjectLiteral"); | 1579 Comment cmnt(masm_, "[ ObjectLiteral"); |
| 1580 Handle<FixedArray> constant_properties = expr->constant_properties(); | 1580 Handle<FixedArray> constant_properties = expr->constant_properties(); |
| 1581 int flags = expr->fast_elements() | 1581 int flags = expr->fast_elements() |
| 1582 ? ObjectLiteral::kFastElements | 1582 ? ObjectLiteral::kFastElements |
| 1583 : ObjectLiteral::kNoFlags; | 1583 : ObjectLiteral::kNoFlags; |
| 1584 flags |= expr->has_function() | 1584 flags |= expr->has_function() |
| 1585 ? ObjectLiteral::kHasFunction | 1585 ? ObjectLiteral::kHasFunction |
| 1586 : ObjectLiteral::kNoFlags; | 1586 : ObjectLiteral::kNoFlags; |
| 1587 int properties_count = constant_properties->length() / 2; | 1587 int properties_count = constant_properties->length() / 2; |
| 1588 if ((FLAG_track_double_fields && expr->may_store_doubles()) || | 1588 if ((FLAG_track_double_fields && expr->may_store_doubles()) || |
| 1589 expr->depth() > 1) { | 1589 expr->depth() > 1 || Serializer::enabled() || |
| 1590 flags != ObjectLiteral::kFastElements || |
| 1591 properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) { |
| 1590 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 1592 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
| 1591 __ push(FieldOperand(edi, JSFunction::kLiteralsOffset)); | 1593 __ push(FieldOperand(edi, JSFunction::kLiteralsOffset)); |
| 1592 __ push(Immediate(Smi::FromInt(expr->literal_index()))); | 1594 __ push(Immediate(Smi::FromInt(expr->literal_index()))); |
| 1593 __ push(Immediate(constant_properties)); | 1595 __ push(Immediate(constant_properties)); |
| 1594 __ push(Immediate(Smi::FromInt(flags))); | 1596 __ push(Immediate(Smi::FromInt(flags))); |
| 1595 __ CallRuntime(Runtime::kCreateObjectLiteral, 4); | 1597 __ CallRuntime(Runtime::kCreateObjectLiteral, 4); |
| 1596 } else if (Serializer::enabled() || flags != ObjectLiteral::kFastElements || | |
| 1597 properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) { | |
| 1598 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | |
| 1599 __ push(FieldOperand(edi, JSFunction::kLiteralsOffset)); | |
| 1600 __ push(Immediate(Smi::FromInt(expr->literal_index()))); | |
| 1601 __ push(Immediate(constant_properties)); | |
| 1602 __ push(Immediate(Smi::FromInt(flags))); | |
| 1603 __ CallRuntime(Runtime::kCreateObjectLiteralShallow, 4); | |
| 1604 } else { | 1598 } else { |
| 1605 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 1599 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
| 1606 __ mov(eax, FieldOperand(edi, JSFunction::kLiteralsOffset)); | 1600 __ mov(eax, FieldOperand(edi, JSFunction::kLiteralsOffset)); |
| 1607 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); | 1601 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); |
| 1608 __ mov(ecx, Immediate(constant_properties)); | 1602 __ mov(ecx, Immediate(constant_properties)); |
| 1609 __ mov(edx, Immediate(Smi::FromInt(flags))); | 1603 __ mov(edx, Immediate(Smi::FromInt(flags))); |
| 1610 FastCloneShallowObjectStub stub(properties_count); | 1604 FastCloneShallowObjectStub stub(properties_count); |
| 1611 __ CallStub(&stub); | 1605 __ CallStub(&stub); |
| 1612 } | 1606 } |
| 1613 | 1607 |
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| 4893 *stack_depth = 0; | 4887 *stack_depth = 0; |
| 4894 *context_length = 0; | 4888 *context_length = 0; |
| 4895 return previous_; | 4889 return previous_; |
| 4896 } | 4890 } |
| 4897 | 4891 |
| 4898 #undef __ | 4892 #undef __ |
| 4899 | 4893 |
| 4900 } } // namespace v8::internal | 4894 } } // namespace v8::internal |
| 4901 | 4895 |
| 4902 #endif // V8_TARGET_ARCH_IA32 | 4896 #endif // V8_TARGET_ARCH_IA32 |
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