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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_X87 | 5 #if V8_TARGET_ARCH_X87 |
6 | 6 |
7 #include "src/ast/scopes.h" | 7 #include "src/ast/scopes.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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1040 | 1040 |
1041 // No need for a write barrier, we are storing a Smi in the feedback vector. | 1041 // No need for a write barrier, we are storing a Smi in the feedback vector. |
1042 __ EmitLoadTypeFeedbackVector(ebx); | 1042 __ EmitLoadTypeFeedbackVector(ebx); |
1043 int vector_index = SmiFromSlot(slot)->value(); | 1043 int vector_index = SmiFromSlot(slot)->value(); |
1044 __ mov(FieldOperand(ebx, FixedArray::OffsetOfElementAt(vector_index)), | 1044 __ mov(FieldOperand(ebx, FixedArray::OffsetOfElementAt(vector_index)), |
1045 Immediate(TypeFeedbackVector::MegamorphicSentinel(isolate()))); | 1045 Immediate(TypeFeedbackVector::MegamorphicSentinel(isolate()))); |
1046 __ push(Immediate(Smi::FromInt(1))); // Smi(1) undicates slow check | 1046 __ push(Immediate(Smi::FromInt(1))); // Smi(1) undicates slow check |
1047 __ push(eax); // Array | 1047 __ push(eax); // Array |
1048 __ mov(eax, FieldOperand(eax, FixedArray::kLengthOffset)); | 1048 __ mov(eax, FieldOperand(eax, FixedArray::kLengthOffset)); |
1049 __ push(eax); // Fixed array length (as smi). | 1049 __ push(eax); // Fixed array length (as smi). |
| 1050 PrepareForBailoutForId(stmt->PrepareId(), NO_REGISTERS); |
1050 __ push(Immediate(Smi::FromInt(0))); // Initial index. | 1051 __ push(Immediate(Smi::FromInt(0))); // Initial index. |
1051 | 1052 |
1052 // Generate code for doing the condition check. | 1053 // Generate code for doing the condition check. |
1053 __ bind(&loop); | 1054 __ bind(&loop); |
1054 SetExpressionAsStatementPosition(stmt->each()); | 1055 SetExpressionAsStatementPosition(stmt->each()); |
1055 | 1056 |
1056 __ mov(eax, Operand(esp, 0 * kPointerSize)); // Get the current index. | 1057 __ mov(eax, Operand(esp, 0 * kPointerSize)); // Get the current index. |
1057 __ cmp(eax, Operand(esp, 1 * kPointerSize)); // Compare to the array length. | 1058 __ cmp(eax, Operand(esp, 1 * kPointerSize)); // Compare to the array length. |
1058 __ j(above_equal, loop_statement.break_label()); | 1059 __ j(above_equal, loop_statement.break_label()); |
1059 | 1060 |
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4730 Assembler::target_address_at(call_target_address, | 4731 Assembler::target_address_at(call_target_address, |
4731 unoptimized_code)); | 4732 unoptimized_code)); |
4732 return OSR_AFTER_STACK_CHECK; | 4733 return OSR_AFTER_STACK_CHECK; |
4733 } | 4734 } |
4734 | 4735 |
4735 | 4736 |
4736 } // namespace internal | 4737 } // namespace internal |
4737 } // namespace v8 | 4738 } // namespace v8 |
4738 | 4739 |
4739 #endif // V8_TARGET_ARCH_X87 | 4740 #endif // V8_TARGET_ARCH_X87 |
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