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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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145 if (info_->this_has_uses() && | 145 if (info_->this_has_uses() && |
146 info_->strict_mode() == SLOPPY && | 146 info_->strict_mode() == SLOPPY && |
147 !info_->is_native()) { | 147 !info_->is_native()) { |
148 Label ok; | 148 Label ok; |
149 int receiver_offset = info_->scope()->num_parameters() * kPointerSize; | 149 int receiver_offset = info_->scope()->num_parameters() * kPointerSize; |
150 __ LoadRoot(at, Heap::kUndefinedValueRootIndex); | 150 __ LoadRoot(at, Heap::kUndefinedValueRootIndex); |
151 __ lw(a2, MemOperand(sp, receiver_offset)); | 151 __ lw(a2, MemOperand(sp, receiver_offset)); |
152 __ Branch(&ok, ne, a2, Operand(at)); | 152 __ Branch(&ok, ne, a2, Operand(at)); |
153 | 153 |
154 __ lw(a2, GlobalObjectOperand()); | 154 __ lw(a2, GlobalObjectOperand()); |
155 __ lw(a2, FieldMemOperand(a2, GlobalObject::kGlobalReceiverOffset)); | 155 __ lw(a2, FieldMemOperand(a2, GlobalObject::kGlobalProxyOffset)); |
156 | 156 |
157 __ sw(a2, MemOperand(sp, receiver_offset)); | 157 __ sw(a2, MemOperand(sp, receiver_offset)); |
158 | 158 |
159 __ bind(&ok); | 159 __ bind(&ok); |
160 } | 160 } |
161 } | 161 } |
162 | 162 |
163 info()->set_prologue_offset(masm_->pc_offset()); | 163 info()->set_prologue_offset(masm_->pc_offset()); |
164 if (NeedsEagerFrame()) { | 164 if (NeedsEagerFrame()) { |
165 if (info()->IsStub()) { | 165 if (info()->IsStub()) { |
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3418 __ GetObjectType(receiver, scratch, scratch); | 3418 __ GetObjectType(receiver, scratch, scratch); |
3419 DeoptimizeIf(lt, instr->environment(), | 3419 DeoptimizeIf(lt, instr->environment(), |
3420 scratch, Operand(FIRST_SPEC_OBJECT_TYPE)); | 3420 scratch, Operand(FIRST_SPEC_OBJECT_TYPE)); |
3421 | 3421 |
3422 __ Branch(&result_in_receiver); | 3422 __ Branch(&result_in_receiver); |
3423 __ bind(&global_object); | 3423 __ bind(&global_object); |
3424 __ lw(result, FieldMemOperand(function, JSFunction::kContextOffset)); | 3424 __ lw(result, FieldMemOperand(function, JSFunction::kContextOffset)); |
3425 __ lw(result, | 3425 __ lw(result, |
3426 ContextOperand(result, Context::GLOBAL_OBJECT_INDEX)); | 3426 ContextOperand(result, Context::GLOBAL_OBJECT_INDEX)); |
3427 __ lw(result, | 3427 __ lw(result, |
3428 FieldMemOperand(result, GlobalObject::kGlobalReceiverOffset)); | 3428 FieldMemOperand(result, GlobalObject::kGlobalProxyOffset)); |
3429 | 3429 |
3430 if (result.is(receiver)) { | 3430 if (result.is(receiver)) { |
3431 __ bind(&result_in_receiver); | 3431 __ bind(&result_in_receiver); |
3432 } else { | 3432 } else { |
3433 Label result_ok; | 3433 Label result_ok; |
3434 __ Branch(&result_ok); | 3434 __ Branch(&result_ok); |
3435 __ bind(&result_in_receiver); | 3435 __ bind(&result_in_receiver); |
3436 __ mov(result, receiver); | 3436 __ mov(result, receiver); |
3437 __ bind(&result_ok); | 3437 __ bind(&result_ok); |
3438 } | 3438 } |
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5884 __ li(at, scope_info); | 5884 __ li(at, scope_info); |
5885 __ Push(at, ToRegister(instr->function())); | 5885 __ Push(at, ToRegister(instr->function())); |
5886 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 5886 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
5887 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5887 RecordSafepoint(Safepoint::kNoLazyDeopt); |
5888 } | 5888 } |
5889 | 5889 |
5890 | 5890 |
5891 #undef __ | 5891 #undef __ |
5892 | 5892 |
5893 } } // namespace v8::internal | 5893 } } // namespace v8::internal |
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