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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_MIPS | 7 #if V8_TARGET_ARCH_MIPS |
8 | 8 |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/ic-inl.h" | 10 #include "src/ic-inl.h" |
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273 Register scratch, Label* miss) { | 273 Register scratch, Label* miss) { |
274 Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name); | 274 Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name); |
275 ASSERT(cell->value()->IsTheHole()); | 275 ASSERT(cell->value()->IsTheHole()); |
276 __ li(scratch, Operand(cell)); | 276 __ li(scratch, Operand(cell)); |
277 __ lw(scratch, FieldMemOperand(scratch, Cell::kValueOffset)); | 277 __ lw(scratch, FieldMemOperand(scratch, Cell::kValueOffset)); |
278 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); | 278 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); |
279 __ Branch(miss, ne, scratch, Operand(at)); | 279 __ Branch(miss, ne, scratch, Operand(at)); |
280 } | 280 } |
281 | 281 |
282 | 282 |
283 void NamedStoreHandlerCompiler::GenerateNegativeHolderLookup( | |
284 MacroAssembler* masm, Handle<JSObject> holder, Register holder_reg, | |
285 Handle<Name> name, Label* miss) { | |
286 if (holder->IsJSGlobalObject()) { | |
287 GenerateCheckPropertyCell( | |
288 masm, Handle<JSGlobalObject>::cast(holder), name, scratch1(), miss); | |
289 } else if (!holder->HasFastProperties() && !holder->IsJSGlobalProxy()) { | |
290 GenerateDictionaryNegativeLookup( | |
291 masm, miss, holder_reg, name, scratch1(), scratch2()); | |
292 } | |
293 } | |
294 | |
295 | |
296 // Generate StoreTransition code, value is passed in a0 register. | 283 // Generate StoreTransition code, value is passed in a0 register. |
297 // After executing generated code, the receiver_reg and name_reg | 284 // After executing generated code, the receiver_reg and name_reg |
298 // may be clobbered. | 285 // may be clobbered. |
299 void NamedStoreHandlerCompiler::GenerateStoreTransition( | 286 void NamedStoreHandlerCompiler::GenerateStoreTransition( |
300 MacroAssembler* masm, LookupResult* lookup, Handle<Map> transition, | 287 MacroAssembler* masm, LookupResult* lookup, Handle<Map> transition, |
301 Handle<Name> name, Register receiver_reg, Register storage_reg, | 288 Handle<Name> name, Register receiver_reg, Register storage_reg, |
302 Register value_reg, Register scratch1, Register scratch2, Register scratch3, | 289 Register value_reg, Register scratch1, Register scratch2, Register scratch3, |
303 Label* miss_label, Label* slow) { | 290 Label* miss_label, Label* slow) { |
304 // a0 : value. | 291 // a0 : value. |
305 Label exit; | 292 Label exit; |
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1123 // Do tail-call to the runtime system. | 1110 // Do tail-call to the runtime system. |
1124 ExternalReference store_ic_property = ExternalReference( | 1111 ExternalReference store_ic_property = ExternalReference( |
1125 IC_Utility(IC::kStorePropertyWithInterceptor), isolate()); | 1112 IC_Utility(IC::kStorePropertyWithInterceptor), isolate()); |
1126 __ TailCallExternalReference(store_ic_property, 3, 1); | 1113 __ TailCallExternalReference(store_ic_property, 3, 1); |
1127 | 1114 |
1128 // Return the generated code. | 1115 // Return the generated code. |
1129 return GetCode(kind(), Code::FAST, name); | 1116 return GetCode(kind(), Code::FAST, name); |
1130 } | 1117 } |
1131 | 1118 |
1132 | 1119 |
1133 Handle<Code> NamedLoadHandlerCompiler::CompileLoadNonexistent( | |
1134 Handle<Name> name) { | |
1135 NonexistentFrontend(name); | |
1136 | |
1137 // Return undefined if maps of the full prototype chain is still the same. | |
1138 __ LoadRoot(v0, Heap::kUndefinedValueRootIndex); | |
1139 __ Ret(); | |
1140 | |
1141 // Return the generated code. | |
1142 return GetCode(kind(), Code::FAST, name); | |
1143 } | |
1144 | |
1145 | |
1146 Register* PropertyAccessCompiler::load_calling_convention() { | 1120 Register* PropertyAccessCompiler::load_calling_convention() { |
1147 // receiver, name, scratch1, scratch2, scratch3, scratch4. | 1121 // receiver, name, scratch1, scratch2, scratch3, scratch4. |
1148 Register receiver = LoadIC::ReceiverRegister(); | 1122 Register receiver = LoadIC::ReceiverRegister(); |
1149 Register name = LoadIC::NameRegister(); | 1123 Register name = LoadIC::NameRegister(); |
1150 static Register registers[] = { receiver, name, a3, a0, t0, t1 }; | 1124 static Register registers[] = { receiver, name, a3, a0, t0, t1 }; |
1151 return registers; | 1125 return registers; |
1152 } | 1126 } |
1153 | 1127 |
1154 | 1128 |
1155 Register* PropertyAccessCompiler::store_calling_convention() { | 1129 Register* PropertyAccessCompiler::store_calling_convention() { |
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1369 | 1343 |
1370 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | 1344 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
1371 } | 1345 } |
1372 | 1346 |
1373 | 1347 |
1374 #undef __ | 1348 #undef __ |
1375 | 1349 |
1376 } } // namespace v8::internal | 1350 } } // namespace v8::internal |
1377 | 1351 |
1378 #endif // V8_TARGET_ARCH_MIPS | 1352 #endif // V8_TARGET_ARCH_MIPS |
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