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1 // Copyright 2012 the V8 project authors. All rights reserved.7 | 1 // Copyright 2012 the V8 project authors. All rights reserved.7 |
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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143 // global proxy when called as functions (without an explicit receiver | 143 // global proxy when called as functions (without an explicit receiver |
144 // object). | 144 // object). |
145 if (info()->MustReplaceUndefinedReceiverWithGlobalProxy()) { | 145 if (info()->MustReplaceUndefinedReceiverWithGlobalProxy()) { |
146 Label ok; | 146 Label ok; |
147 int receiver_offset = info_->scope()->num_parameters() * kPointerSize; | 147 int receiver_offset = info_->scope()->num_parameters() * kPointerSize; |
148 __ LoadRoot(at, Heap::kUndefinedValueRootIndex); | 148 __ LoadRoot(at, Heap::kUndefinedValueRootIndex); |
149 __ lw(a2, MemOperand(sp, receiver_offset)); | 149 __ lw(a2, MemOperand(sp, receiver_offset)); |
150 __ Branch(&ok, ne, a2, Operand(at)); | 150 __ Branch(&ok, ne, a2, Operand(at)); |
151 | 151 |
152 __ lw(a2, GlobalObjectOperand()); | 152 __ lw(a2, GlobalObjectOperand()); |
153 __ lw(a2, FieldMemOperand(a2, GlobalObject::kGlobalProxyOffset)); | 153 __ lw(a2, FieldMemOperand(a2, JSGlobalObject::kGlobalProxyOffset)); |
154 | 154 |
155 __ sw(a2, MemOperand(sp, receiver_offset)); | 155 __ sw(a2, MemOperand(sp, receiver_offset)); |
156 | 156 |
157 __ bind(&ok); | 157 __ bind(&ok); |
158 } | 158 } |
159 } | 159 } |
160 | 160 |
161 info()->set_prologue_offset(masm_->pc_offset()); | 161 info()->set_prologue_offset(masm_->pc_offset()); |
162 if (NeedsEagerFrame()) { | 162 if (NeedsEagerFrame()) { |
163 if (info()->IsStub()) { | 163 if (info()->IsStub()) { |
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3254 | 3254 |
3255 __ GetObjectType(receiver, scratch, scratch); | 3255 __ GetObjectType(receiver, scratch, scratch); |
3256 DeoptimizeIf(lt, instr, Deoptimizer::kNotAJavaScriptObject, scratch, | 3256 DeoptimizeIf(lt, instr, Deoptimizer::kNotAJavaScriptObject, scratch, |
3257 Operand(FIRST_SPEC_OBJECT_TYPE)); | 3257 Operand(FIRST_SPEC_OBJECT_TYPE)); |
3258 | 3258 |
3259 __ Branch(&result_in_receiver); | 3259 __ Branch(&result_in_receiver); |
3260 __ bind(&global_object); | 3260 __ bind(&global_object); |
3261 __ lw(result, FieldMemOperand(function, JSFunction::kContextOffset)); | 3261 __ lw(result, FieldMemOperand(function, JSFunction::kContextOffset)); |
3262 __ lw(result, | 3262 __ lw(result, |
3263 ContextOperand(result, Context::GLOBAL_OBJECT_INDEX)); | 3263 ContextOperand(result, Context::GLOBAL_OBJECT_INDEX)); |
3264 __ lw(result, | 3264 __ lw(result, FieldMemOperand(result, JSGlobalObject::kGlobalProxyOffset)); |
3265 FieldMemOperand(result, GlobalObject::kGlobalProxyOffset)); | |
3266 | 3265 |
3267 if (result.is(receiver)) { | 3266 if (result.is(receiver)) { |
3268 __ bind(&result_in_receiver); | 3267 __ bind(&result_in_receiver); |
3269 } else { | 3268 } else { |
3270 Label result_ok; | 3269 Label result_ok; |
3271 __ Branch(&result_ok); | 3270 __ Branch(&result_ok); |
3272 __ bind(&result_in_receiver); | 3271 __ bind(&result_in_receiver); |
3273 __ mov(result, receiver); | 3272 __ mov(result, receiver); |
3274 __ bind(&result_ok); | 3273 __ bind(&result_ok); |
3275 } | 3274 } |
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5849 __ Push(at, ToRegister(instr->function())); | 5848 __ Push(at, ToRegister(instr->function())); |
5850 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 5849 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
5851 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5850 RecordSafepoint(Safepoint::kNoLazyDeopt); |
5852 } | 5851 } |
5853 | 5852 |
5854 | 5853 |
5855 #undef __ | 5854 #undef __ |
5856 | 5855 |
5857 } // namespace internal | 5856 } // namespace internal |
5858 } // namespace v8 | 5857 } // namespace v8 |
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