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Issue 6248014: Reapply change to with/arguments interaction. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge/build/ia32
Patch Set: Change test to be more consistent. Created 9 years, 11 months 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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105 __ bind(&gc); 105 __ bind(&gc);
106 __ LoadRoot(r4, Heap::kFalseValueRootIndex); 106 __ LoadRoot(r4, Heap::kFalseValueRootIndex);
107 __ Push(cp, r3, r4); 107 __ Push(cp, r3, r4);
108 __ TailCallRuntime(Runtime::kNewClosure, 3, 1); 108 __ TailCallRuntime(Runtime::kNewClosure, 3, 1);
109 } 109 }
110 110
111 111
112 void FastNewContextStub::Generate(MacroAssembler* masm) { 112 void FastNewContextStub::Generate(MacroAssembler* masm) {
113 // Try to allocate the context in new space. 113 // Try to allocate the context in new space.
114 Label gc; 114 Label gc;
115 int length = slots_ + Context::MIN_CONTEXT_SLOTS;
116 115
117 // Attempt to allocate the context in new space. 116 // Attempt to allocate the context in new space.
118 __ AllocateInNewSpace(FixedArray::SizeFor(length), 117 __ AllocateInNewSpace(FixedArray::SizeFor(slots_),
119 r0, 118 r0,
120 r1, 119 r1,
121 r2, 120 r2,
122 &gc, 121 &gc,
123 TAG_OBJECT); 122 TAG_OBJECT);
124 123
125 // Load the function from the stack. 124 // Load the function from the stack.
126 __ ldr(r3, MemOperand(sp, 0)); 125 __ ldr(r3, MemOperand(sp, 0));
127 126
128 // Setup the object header. 127 // Setup the object header.
129 __ LoadRoot(r2, Heap::kContextMapRootIndex); 128 __ LoadRoot(r2, Heap::kContextMapRootIndex);
130 __ str(r2, FieldMemOperand(r0, HeapObject::kMapOffset)); 129 __ str(r2, FieldMemOperand(r0, HeapObject::kMapOffset));
131 __ mov(r2, Operand(Smi::FromInt(length))); 130 __ mov(r2, Operand(Smi::FromInt(slots_)));
132 __ str(r2, FieldMemOperand(r0, FixedArray::kLengthOffset)); 131 __ str(r2, FieldMemOperand(r0, FixedArray::kLengthOffset));
133 132
134 // Setup the fixed slots. 133 // Setup the fixed slots.
135 __ mov(r1, Operand(Smi::FromInt(0))); 134 __ mov(r1, Operand(Smi::FromInt(0)));
136 __ str(r3, MemOperand(r0, Context::SlotOffset(Context::CLOSURE_INDEX))); 135 __ str(r3, MemOperand(r0, Context::SlotOffset(Context::CLOSURE_INDEX)));
137 __ str(r0, MemOperand(r0, Context::SlotOffset(Context::FCONTEXT_INDEX))); 136 __ str(r0, MemOperand(r0, Context::SlotOffset(Context::FCONTEXT_INDEX)));
138 __ str(r1, MemOperand(r0, Context::SlotOffset(Context::PREVIOUS_INDEX))); 137 __ str(r1, MemOperand(r0, Context::SlotOffset(Context::PREVIOUS_INDEX)));
139 __ str(r1, MemOperand(r0, Context::SlotOffset(Context::EXTENSION_INDEX))); 138 __ str(r1, MemOperand(r0, Context::SlotOffset(Context::EXTENSION_INDEX)));
140 139
141 // Copy the global object from the surrounding context. 140 // Copy the global object from the surrounding context.
142 __ ldr(r1, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); 141 __ ldr(r1, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
143 __ str(r1, MemOperand(r0, Context::SlotOffset(Context::GLOBAL_INDEX))); 142 __ str(r1, MemOperand(r0, Context::SlotOffset(Context::GLOBAL_INDEX)));
144 143
145 // Initialize the rest of the slots to undefined. 144 // Initialize the rest of the slots to undefined.
146 __ LoadRoot(r1, Heap::kUndefinedValueRootIndex); 145 __ LoadRoot(r1, Heap::kUndefinedValueRootIndex);
147 for (int i = Context::MIN_CONTEXT_SLOTS; i < length; i++) { 146 for (int i = Context::MIN_CONTEXT_SLOTS; i < slots_; i++) {
148 __ str(r1, MemOperand(r0, Context::SlotOffset(i))); 147 __ str(r1, MemOperand(r0, Context::SlotOffset(i)));
149 } 148 }
150 149
151 // Remove the on-stack argument and return. 150 // Remove the on-stack argument and return.
152 __ mov(cp, r0); 151 __ mov(cp, r0);
153 __ pop(); 152 __ pop();
154 __ Ret(); 153 __ Ret();
155 154
156 // Need to collect. Call into runtime system. 155 // Need to collect. Call into runtime system.
157 __ bind(&gc); 156 __ bind(&gc);
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5107 __ pop(r1); 5106 __ pop(r1);
5108 __ Jump(r2); 5107 __ Jump(r2);
5109 } 5108 }
5110 5109
5111 5110
5112 #undef __ 5111 #undef __
5113 5112
5114 } } // namespace v8::internal 5113 } } // namespace v8::internal
5115 5114
5116 #endif // V8_TARGET_ARCH_ARM 5115 #endif // V8_TARGET_ARCH_ARM
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