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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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