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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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136 #endif | 136 #endif |
137 | 137 |
138 // a1: Callee's JS function. | 138 // a1: Callee's JS function. |
139 // cp: Callee's context. | 139 // cp: Callee's context. |
140 // fp: Caller's frame pointer. | 140 // fp: Caller's frame pointer. |
141 // lr: Caller's pc. | 141 // lr: Caller's pc. |
142 | 142 |
143 // Sloppy mode functions and builtins need to replace the receiver with the | 143 // Sloppy mode functions and builtins need to replace the receiver with the |
144 // global proxy when called as functions (without an explicit receiver | 144 // global proxy when called as functions (without an explicit receiver |
145 // object). | 145 // object). |
146 if (info_->this_has_uses() && is_sloppy(info_->language_mode()) && | 146 if (graph()->this_has_uses() && is_sloppy(info_->language_mode()) && |
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::kGlobalProxyOffset)); | 155 __ lw(a2, FieldMemOperand(a2, GlobalObject::kGlobalProxyOffset)); |
156 | 156 |
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5988 __ li(at, scope_info); | 5988 __ li(at, scope_info); |
5989 __ Push(at, ToRegister(instr->function())); | 5989 __ Push(at, ToRegister(instr->function())); |
5990 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 5990 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
5991 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5991 RecordSafepoint(Safepoint::kNoLazyDeopt); |
5992 } | 5992 } |
5993 | 5993 |
5994 | 5994 |
5995 #undef __ | 5995 #undef __ |
5996 | 5996 |
5997 } } // namespace v8::internal | 5997 } } // namespace v8::internal |
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