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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/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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1737 // this. It stays on the stack while we update the iterator. | 1737 // this. It stays on the stack while we update the iterator. |
1738 VisitForStackValue(expr->expression()); | 1738 VisitForStackValue(expr->expression()); |
1739 | 1739 |
1740 Label suspend, continuation, post_runtime, resume, exception; | 1740 Label suspend, continuation, post_runtime, resume, exception; |
1741 | 1741 |
1742 __ jmp(&suspend); | 1742 __ jmp(&suspend); |
1743 __ bind(&continuation); | 1743 __ bind(&continuation); |
1744 // When we arrive here, eax holds the generator object. | 1744 // When we arrive here, eax holds the generator object. |
1745 __ RecordGeneratorContinuation(); | 1745 __ RecordGeneratorContinuation(); |
1746 __ mov(ebx, FieldOperand(eax, JSGeneratorObject::kResumeModeOffset)); | 1746 __ mov(ebx, FieldOperand(eax, JSGeneratorObject::kResumeModeOffset)); |
1747 __ mov(eax, FieldOperand(eax, JSGeneratorObject::kInputOffset)); | 1747 __ mov(eax, FieldOperand(eax, JSGeneratorObject::kInputOrDebugPosOffset)); |
1748 STATIC_ASSERT(JSGeneratorObject::kNext < JSGeneratorObject::kReturn); | 1748 STATIC_ASSERT(JSGeneratorObject::kNext < JSGeneratorObject::kReturn); |
1749 STATIC_ASSERT(JSGeneratorObject::kThrow > JSGeneratorObject::kReturn); | 1749 STATIC_ASSERT(JSGeneratorObject::kThrow > JSGeneratorObject::kReturn); |
1750 __ cmp(ebx, Immediate(Smi::FromInt(JSGeneratorObject::kReturn))); | 1750 __ cmp(ebx, Immediate(Smi::FromInt(JSGeneratorObject::kReturn))); |
1751 __ j(less, &resume); | 1751 __ j(less, &resume); |
1752 __ Push(result_register()); | 1752 __ Push(result_register()); |
1753 __ j(greater, &exception); | 1753 __ j(greater, &exception); |
1754 EmitCreateIteratorResult(true); | 1754 EmitCreateIteratorResult(true); |
1755 EmitUnwindAndReturn(); | 1755 EmitUnwindAndReturn(); |
1756 | 1756 |
1757 __ bind(&exception); | 1757 __ bind(&exception); |
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3694 isolate->builtins()->OnStackReplacement()->entry(), | 3694 isolate->builtins()->OnStackReplacement()->entry(), |
3695 Assembler::target_address_at(call_target_address, unoptimized_code)); | 3695 Assembler::target_address_at(call_target_address, unoptimized_code)); |
3696 return ON_STACK_REPLACEMENT; | 3696 return ON_STACK_REPLACEMENT; |
3697 } | 3697 } |
3698 | 3698 |
3699 | 3699 |
3700 } // namespace internal | 3700 } // namespace internal |
3701 } // namespace v8 | 3701 } // namespace v8 |
3702 | 3702 |
3703 #endif // V8_TARGET_ARCH_IA32 | 3703 #endif // V8_TARGET_ARCH_IA32 |
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