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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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