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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
6 | 6 |
7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/debug/debug.h" | 10 #include "src/debug/debug.h" |
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1453 | 1453 |
1454 | 1454 |
1455 void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) { | 1455 void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) { |
1456 Comment cmnt(masm_, "[ ObjectLiteral"); | 1456 Comment cmnt(masm_, "[ ObjectLiteral"); |
1457 | 1457 |
1458 Handle<FixedArray> constant_properties = expr->constant_properties(); | 1458 Handle<FixedArray> constant_properties = expr->constant_properties(); |
1459 int flags = expr->ComputeFlags(); | 1459 int flags = expr->ComputeFlags(); |
1460 // If any of the keys would store to the elements array, then we shouldn't | 1460 // If any of the keys would store to the elements array, then we shouldn't |
1461 // allow it. | 1461 // allow it. |
1462 if (MustCreateObjectLiteralWithRuntime(expr)) { | 1462 if (MustCreateObjectLiteralWithRuntime(expr)) { |
1463 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 1463 __ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
1464 __ push(FieldOperand(edi, JSFunction::kLiteralsOffset)); | |
1465 __ push(Immediate(Smi::FromInt(expr->literal_index()))); | 1464 __ push(Immediate(Smi::FromInt(expr->literal_index()))); |
1466 __ push(Immediate(constant_properties)); | 1465 __ push(Immediate(constant_properties)); |
1467 __ push(Immediate(Smi::FromInt(flags))); | 1466 __ push(Immediate(Smi::FromInt(flags))); |
1468 __ CallRuntime(Runtime::kCreateObjectLiteral, 4); | 1467 __ CallRuntime(Runtime::kCreateObjectLiteral, 4); |
1469 } else { | 1468 } else { |
1470 __ mov(edi, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 1469 __ mov(eax, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
1471 __ mov(eax, FieldOperand(edi, JSFunction::kLiteralsOffset)); | |
1472 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); | 1470 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); |
1473 __ mov(ecx, Immediate(constant_properties)); | 1471 __ mov(ecx, Immediate(constant_properties)); |
1474 __ mov(edx, Immediate(Smi::FromInt(flags))); | 1472 __ mov(edx, Immediate(Smi::FromInt(flags))); |
1475 FastCloneShallowObjectStub stub(isolate(), expr->properties_count()); | 1473 FastCloneShallowObjectStub stub(isolate(), expr->properties_count()); |
1476 __ CallStub(&stub); | 1474 __ CallStub(&stub); |
1477 } | 1475 } |
1478 PrepareForBailoutForId(expr->CreateLiteralId(), TOS_REG); | 1476 PrepareForBailoutForId(expr->CreateLiteralId(), TOS_REG); |
1479 | 1477 |
1480 // If result_saved is true the result is on top of the stack. If | 1478 // If result_saved is true the result is on top of the stack. If |
1481 // result_saved is false the result is in eax. | 1479 // result_saved is false the result is in eax. |
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1650 IsFastObjectElementsKind(expr->constant_elements_kind()); | 1648 IsFastObjectElementsKind(expr->constant_elements_kind()); |
1651 | 1649 |
1652 AllocationSiteMode allocation_site_mode = TRACK_ALLOCATION_SITE; | 1650 AllocationSiteMode allocation_site_mode = TRACK_ALLOCATION_SITE; |
1653 if (has_constant_fast_elements && !FLAG_allocation_site_pretenuring) { | 1651 if (has_constant_fast_elements && !FLAG_allocation_site_pretenuring) { |
1654 // If the only customer of allocation sites is transitioning, then | 1652 // If the only customer of allocation sites is transitioning, then |
1655 // we can turn it off if we don't have anywhere else to transition to. | 1653 // we can turn it off if we don't have anywhere else to transition to. |
1656 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; | 1654 allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; |
1657 } | 1655 } |
1658 | 1656 |
1659 if (MustCreateArrayLiteralWithRuntime(expr)) { | 1657 if (MustCreateArrayLiteralWithRuntime(expr)) { |
1660 __ mov(ebx, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 1658 __ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
1661 __ push(FieldOperand(ebx, JSFunction::kLiteralsOffset)); | |
1662 __ push(Immediate(Smi::FromInt(expr->literal_index()))); | 1659 __ push(Immediate(Smi::FromInt(expr->literal_index()))); |
1663 __ push(Immediate(constant_elements)); | 1660 __ push(Immediate(constant_elements)); |
1664 __ push(Immediate(Smi::FromInt(expr->ComputeFlags()))); | 1661 __ push(Immediate(Smi::FromInt(expr->ComputeFlags()))); |
1665 __ CallRuntime(Runtime::kCreateArrayLiteral, 4); | 1662 __ CallRuntime(Runtime::kCreateArrayLiteral, 4); |
1666 } else { | 1663 } else { |
1667 __ mov(ebx, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); | 1664 __ mov(eax, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); |
1668 __ mov(eax, FieldOperand(ebx, JSFunction::kLiteralsOffset)); | |
1669 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); | 1665 __ mov(ebx, Immediate(Smi::FromInt(expr->literal_index()))); |
1670 __ mov(ecx, Immediate(constant_elements)); | 1666 __ mov(ecx, Immediate(constant_elements)); |
1671 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode); | 1667 FastCloneShallowArrayStub stub(isolate(), allocation_site_mode); |
1672 __ CallStub(&stub); | 1668 __ CallStub(&stub); |
1673 } | 1669 } |
1674 PrepareForBailoutForId(expr->CreateLiteralId(), TOS_REG); | 1670 PrepareForBailoutForId(expr->CreateLiteralId(), TOS_REG); |
1675 | 1671 |
1676 bool result_saved = false; // Is the result saved to the stack? | 1672 bool result_saved = false; // Is the result saved to the stack? |
1677 ZoneList<Expression*>* subexprs = expr->values(); | 1673 ZoneList<Expression*>* subexprs = expr->values(); |
1678 int length = subexprs->length(); | 1674 int length = subexprs->length(); |
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4916 Assembler::target_address_at(call_target_address, | 4912 Assembler::target_address_at(call_target_address, |
4917 unoptimized_code)); | 4913 unoptimized_code)); |
4918 return OSR_AFTER_STACK_CHECK; | 4914 return OSR_AFTER_STACK_CHECK; |
4919 } | 4915 } |
4920 | 4916 |
4921 | 4917 |
4922 } // namespace internal | 4918 } // namespace internal |
4923 } // namespace v8 | 4919 } // namespace v8 |
4924 | 4920 |
4925 #endif // V8_TARGET_ARCH_IA32 | 4921 #endif // V8_TARGET_ARCH_IA32 |
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