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Issue 4654002: Move common static helpers from codegen to the macro-assembler files. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 10 years, 1 month ago
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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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