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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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| 679 } | 679 } |
| 680 } | 680 } |
| 681 } | 681 } |
| 682 ASSERT(has_valid_frame()); | 682 ASSERT(has_valid_frame()); |
| 683 ASSERT(frame_->height() == original_height + 1); | 683 ASSERT(frame_->height() == original_height + 1); |
| 684 } | 684 } |
| 685 | 685 |
| 686 | 686 |
| 687 void CodeGenerator::LoadGlobal() { | 687 void CodeGenerator::LoadGlobal() { |
| 688 if (in_spilled_code()) { | 688 if (in_spilled_code()) { |
| 689 frame_->EmitPush(GlobalObject()); | 689 frame_->EmitPush(GlobalObjectOperand()); |
| 690 } else { | 690 } else { |
| 691 Result temp = allocator_->Allocate(); | 691 Result temp = allocator_->Allocate(); |
| 692 __ mov(temp.reg(), GlobalObject()); | 692 __ mov(temp.reg(), GlobalObjectOperand()); |
| 693 frame_->Push(&temp); | 693 frame_->Push(&temp); |
| 694 } | 694 } |
| 695 } | 695 } |
| 696 | 696 |
| 697 | 697 |
| 698 void CodeGenerator::LoadGlobalReceiver() { | 698 void CodeGenerator::LoadGlobalReceiver() { |
| 699 Result temp = allocator_->Allocate(); | 699 Result temp = allocator_->Allocate(); |
| 700 Register reg = temp.reg(); | 700 Register reg = temp.reg(); |
| 701 __ mov(reg, GlobalObject()); | 701 __ mov(reg, GlobalObjectOperand()); |
| 702 __ mov(reg, FieldOperand(reg, GlobalObject::kGlobalReceiverOffset)); | 702 __ mov(reg, FieldOperand(reg, GlobalObject::kGlobalReceiverOffset)); |
| 703 frame_->Push(&temp); | 703 frame_->Push(&temp); |
| 704 } | 704 } |
| 705 | 705 |
| 706 | 706 |
| 707 void CodeGenerator::LoadTypeofExpression(Expression* expr) { | 707 void CodeGenerator::LoadTypeofExpression(Expression* expr) { |
| 708 // Special handling of identifiers as subexpressions of typeof. | 708 // Special handling of identifiers as subexpressions of typeof. |
| 709 Variable* variable = expr->AsVariableProxy()->AsVariable(); | 709 Variable* variable = expr->AsVariableProxy()->AsVariable(); |
| 710 if (variable != NULL && !variable->is_this() && variable->is_global()) { | 710 if (variable != NULL && !variable->is_this() && variable->is_global()) { |
| 711 // For a global variable we build the property reference | 711 // For a global variable we build the property reference |
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| 6771 // If a valueOf property is not found on the object check that it's | 6771 // If a valueOf property is not found on the object check that it's |
| 6772 // prototype is the un-modified String prototype. If not result is false. | 6772 // prototype is the un-modified String prototype. If not result is false. |
| 6773 __ mov(scratch1_, FieldOperand(map_result_, Map::kPrototypeOffset)); | 6773 __ mov(scratch1_, FieldOperand(map_result_, Map::kPrototypeOffset)); |
| 6774 __ test(scratch1_, Immediate(kSmiTagMask)); | 6774 __ test(scratch1_, Immediate(kSmiTagMask)); |
| 6775 __ j(zero, &false_result); | 6775 __ j(zero, &false_result); |
| 6776 __ mov(scratch1_, FieldOperand(scratch1_, HeapObject::kMapOffset)); | 6776 __ mov(scratch1_, FieldOperand(scratch1_, HeapObject::kMapOffset)); |
| 6777 __ mov(scratch2_, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX))); | 6777 __ mov(scratch2_, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX))); |
| 6778 __ mov(scratch2_, | 6778 __ mov(scratch2_, |
| 6779 FieldOperand(scratch2_, GlobalObject::kGlobalContextOffset)); | 6779 FieldOperand(scratch2_, GlobalObject::kGlobalContextOffset)); |
| 6780 __ cmp(scratch1_, | 6780 __ cmp(scratch1_, |
| 6781 CodeGenerator::ContextOperand( | 6781 ContextOperand(scratch2_, |
| 6782 scratch2_, Context::STRING_FUNCTION_PROTOTYPE_MAP_INDEX)); | 6782 Context::STRING_FUNCTION_PROTOTYPE_MAP_INDEX)); |
| 6783 __ j(not_equal, &false_result); | 6783 __ j(not_equal, &false_result); |
| 6784 // Set the bit in the map to indicate that it has been checked safe for | 6784 // Set the bit in the map to indicate that it has been checked safe for |
| 6785 // default valueOf and set true result. | 6785 // default valueOf and set true result. |
| 6786 __ or_(FieldOperand(map_result_, Map::kBitField2Offset), | 6786 __ or_(FieldOperand(map_result_, Map::kBitField2Offset), |
| 6787 Immediate(1 << Map::kStringWrapperSafeForDefaultValueOf)); | 6787 Immediate(1 << Map::kStringWrapperSafeForDefaultValueOf)); |
| 6788 __ Set(map_result_, Immediate(1)); | 6788 __ Set(map_result_, Immediate(1)); |
| 6789 __ jmp(exit_label()); | 6789 __ jmp(exit_label()); |
| 6790 __ bind(&false_result); | 6790 __ bind(&false_result); |
| 6791 // Set false result. | 6791 // Set false result. |
| 6792 __ Set(map_result_, Immediate(0)); | 6792 __ Set(map_result_, Immediate(0)); |
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| 7927 } | 7927 } |
| 7928 | 7928 |
| 7929 ZoneList<Expression*>* args = node->arguments(); | 7929 ZoneList<Expression*>* args = node->arguments(); |
| 7930 Comment cmnt(masm_, "[ CallRuntime"); | 7930 Comment cmnt(masm_, "[ CallRuntime"); |
| 7931 Runtime::Function* function = node->function(); | 7931 Runtime::Function* function = node->function(); |
| 7932 | 7932 |
| 7933 if (function == NULL) { | 7933 if (function == NULL) { |
| 7934 // Push the builtins object found in the current global object. | 7934 // Push the builtins object found in the current global object. |
| 7935 Result temp = allocator()->Allocate(); | 7935 Result temp = allocator()->Allocate(); |
| 7936 ASSERT(temp.is_valid()); | 7936 ASSERT(temp.is_valid()); |
| 7937 __ mov(temp.reg(), GlobalObject()); | 7937 __ mov(temp.reg(), GlobalObjectOperand()); |
| 7938 __ mov(temp.reg(), FieldOperand(temp.reg(), GlobalObject::kBuiltinsOffset)); | 7938 __ mov(temp.reg(), FieldOperand(temp.reg(), GlobalObject::kBuiltinsOffset)); |
| 7939 frame_->Push(&temp); | 7939 frame_->Push(&temp); |
| 7940 } | 7940 } |
| 7941 | 7941 |
| 7942 // Push the arguments ("left-to-right"). | 7942 // Push the arguments ("left-to-right"). |
| 7943 int arg_count = args->length(); | 7943 int arg_count = args->length(); |
| 7944 for (int i = 0; i < arg_count; i++) { | 7944 for (int i = 0; i < arg_count; i++) { |
| 7945 Load(args->at(i)); | 7945 Load(args->at(i)); |
| 7946 } | 7946 } |
| 7947 | 7947 |
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| 10071 masm.GetCode(&desc); | 10071 masm.GetCode(&desc); |
| 10072 // Call the function from C++. | 10072 // Call the function from C++. |
| 10073 return FUNCTION_CAST<MemCopyFunction>(buffer); | 10073 return FUNCTION_CAST<MemCopyFunction>(buffer); |
| 10074 } | 10074 } |
| 10075 | 10075 |
| 10076 #undef __ | 10076 #undef __ |
| 10077 | 10077 |
| 10078 } } // namespace v8::internal | 10078 } } // namespace v8::internal |
| 10079 | 10079 |
| 10080 #endif // V8_TARGET_ARCH_IA32 | 10080 #endif // V8_TARGET_ARCH_IA32 |
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