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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/crankshaft/ppc/lithium-codegen-ppc.h" | 5 #include "src/crankshaft/ppc/lithium-codegen-ppc.h" |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/crankshaft/hydrogen-osr.h" | 10 #include "src/crankshaft/hydrogen-osr.h" |
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110 __ stop("stop_at"); | 110 __ stop("stop_at"); |
111 } | 111 } |
112 #endif | 112 #endif |
113 | 113 |
114 // r4: Callee's JS function. | 114 // r4: Callee's JS function. |
115 // cp: Callee's context. | 115 // cp: Callee's context. |
116 // pp: Callee's constant pool pointer (if enabled) | 116 // pp: Callee's constant pool pointer (if enabled) |
117 // fp: Caller's frame pointer. | 117 // fp: Caller's frame pointer. |
118 // lr: Caller's pc. | 118 // lr: Caller's pc. |
119 // ip: Our own function entry (required by the prologue) | 119 // ip: Our own function entry (required by the prologue) |
120 | |
121 // Sloppy mode functions and builtins need to replace the receiver with the | |
122 // global proxy when called as functions (without an explicit receiver | |
123 // object). | |
124 if (info()->MustReplaceUndefinedReceiverWithGlobalProxy()) { | |
125 Label ok; | |
126 int receiver_offset = info_->scope()->num_parameters() * kPointerSize; | |
127 __ LoadP(r5, MemOperand(sp, receiver_offset)); | |
128 __ CompareRoot(r5, Heap::kUndefinedValueRootIndex); | |
129 __ bne(&ok); | |
130 | |
131 __ LoadP(r5, GlobalObjectOperand()); | |
132 __ LoadP(r5, FieldMemOperand(r5, JSGlobalObject::kGlobalProxyOffset)); | |
133 | |
134 __ StoreP(r5, MemOperand(sp, receiver_offset)); | |
135 | |
136 __ bind(&ok); | |
137 } | |
138 } | 120 } |
139 | 121 |
140 int prologue_offset = masm_->pc_offset(); | 122 int prologue_offset = masm_->pc_offset(); |
141 | 123 |
142 if (prologue_offset) { | 124 if (prologue_offset) { |
143 // Prologue logic requires it's starting address in ip and the | 125 // Prologue logic requires it's starting address in ip and the |
144 // corresponding offset from the function entry. | 126 // corresponding offset from the function entry. |
145 prologue_offset += Instruction::kInstrSize; | 127 prologue_offset += Instruction::kInstrSize; |
146 __ addi(ip, ip, Operand(prologue_offset)); | 128 __ addi(ip, ip, Operand(prologue_offset)); |
147 } | 129 } |
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6065 __ Push(scope_info); | 6047 __ Push(scope_info); |
6066 __ push(ToRegister(instr->function())); | 6048 __ push(ToRegister(instr->function())); |
6067 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 6049 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
6068 RecordSafepoint(Safepoint::kNoLazyDeopt); | 6050 RecordSafepoint(Safepoint::kNoLazyDeopt); |
6069 } | 6051 } |
6070 | 6052 |
6071 | 6053 |
6072 #undef __ | 6054 #undef __ |
6073 } // namespace internal | 6055 } // namespace internal |
6074 } // namespace v8 | 6056 } // namespace v8 |
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