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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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM | 7 #if V8_TARGET_ARCH_ARM |
8 | 8 |
9 #include "src/ic/call-optimization.h" | 9 #include "src/ic/call-optimization.h" |
10 #include "src/ic/handler-compiler.h" | 10 #include "src/ic/handler-compiler.h" |
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133 | 133 |
134 | 134 |
135 NameDictionaryLookupStub::GenerateNegativeLookup( | 135 NameDictionaryLookupStub::GenerateNegativeLookup( |
136 masm, miss_label, &done, receiver, properties, name, scratch1); | 136 masm, miss_label, &done, receiver, properties, name, scratch1); |
137 __ bind(&done); | 137 __ bind(&done); |
138 __ DecrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1); | 138 __ DecrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1); |
139 } | 139 } |
140 | 140 |
141 | 141 |
142 void NamedLoadHandlerCompiler::GenerateDirectLoadGlobalFunctionPrototype( | 142 void NamedLoadHandlerCompiler::GenerateDirectLoadGlobalFunctionPrototype( |
143 MacroAssembler* masm, int index, Register prototype, Label* miss) { | 143 MacroAssembler* masm, int index, Register prototype, Register scratch, |
| 144 Label* miss) { |
144 Isolate* isolate = masm->isolate(); | 145 Isolate* isolate = masm->isolate(); |
145 // Get the global function with the given index. | 146 // Get the global function with the given index. |
146 Handle<JSFunction> function( | 147 Handle<JSFunction> jsfunction( |
147 JSFunction::cast(isolate->native_context()->get(index))); | 148 JSFunction::cast(isolate->native_context()->get(index))); |
148 | 149 Handle<WeakCell> cell = isolate->factory()->NewWeakCell(jsfunction); |
149 // Check we're still in the same context. | 150 // Check we're still in the same context. |
150 Register scratch = prototype; | 151 Register function = prototype; |
151 const int offset = Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX); | 152 const int offset = Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX); |
152 __ ldr(scratch, MemOperand(cp, offset)); | 153 __ ldr(scratch, MemOperand(cp, offset)); |
153 __ ldr(scratch, FieldMemOperand(scratch, GlobalObject::kNativeContextOffset)); | 154 __ ldr(scratch, FieldMemOperand(scratch, GlobalObject::kNativeContextOffset)); |
154 __ ldr(scratch, MemOperand(scratch, Context::SlotOffset(index))); | 155 __ ldr(function, MemOperand(scratch, Context::SlotOffset(index))); |
155 __ Move(ip, function); | 156 __ CmpWeakValue(function, cell, scratch); |
156 __ cmp(ip, scratch); | |
157 __ b(ne, miss); | 157 __ b(ne, miss); |
158 | |
159 // Load its initial map. The global functions all have initial maps. | 158 // Load its initial map. The global functions all have initial maps. |
160 __ Move(prototype, Handle<Map>(function->initial_map())); | 159 __ ldr(scratch, |
| 160 FieldMemOperand(function, JSFunction::kPrototypeOrInitialMapOffset)); |
161 // Load the prototype from the initial map. | 161 // Load the prototype from the initial map. |
162 __ ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset)); | 162 __ ldr(prototype, FieldMemOperand(scratch, Map::kPrototypeOffset)); |
163 } | 163 } |
164 | 164 |
165 | 165 |
166 void NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype( | 166 void NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype( |
167 MacroAssembler* masm, Register receiver, Register scratch1, | 167 MacroAssembler* masm, Register receiver, Register scratch1, |
168 Register scratch2, Label* miss_label) { | 168 Register scratch2, Label* miss_label) { |
169 __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); | 169 __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
170 __ mov(r0, scratch1); | 170 __ mov(r0, scratch1); |
171 __ Ret(); | 171 __ Ret(); |
172 } | 172 } |
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682 // Return the generated code. | 682 // Return the generated code. |
683 return GetCode(kind(), Code::NORMAL, name); | 683 return GetCode(kind(), Code::NORMAL, name); |
684 } | 684 } |
685 | 685 |
686 | 686 |
687 #undef __ | 687 #undef __ |
688 } | 688 } |
689 } // namespace v8::internal | 689 } // namespace v8::internal |
690 | 690 |
691 #endif // V8_TARGET_ARCH_ARM | 691 #endif // V8_TARGET_ARCH_ARM |
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