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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 // 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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398 Register scratch1, | 398 Register scratch1, |
399 Register scratch2, | 399 Register scratch2, |
400 Label* miss_label) { | 400 Label* miss_label) { |
401 __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); | 401 __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
402 __ Ret(USE_DELAY_SLOT); | 402 __ Ret(USE_DELAY_SLOT); |
403 __ mov(v0, scratch1); | 403 __ mov(v0, scratch1); |
404 } | 404 } |
405 | 405 |
406 | 406 |
407 void StubCompiler::GenerateCheckPropertyCell(MacroAssembler* masm, | 407 void StubCompiler::GenerateCheckPropertyCell(MacroAssembler* masm, |
408 Handle<GlobalObject> global, | 408 Handle<JSGlobalObject> global, |
409 Handle<Name> name, | 409 Handle<Name> name, |
410 Register scratch, | 410 Register scratch, |
411 Label* miss) { | 411 Label* miss) { |
412 Handle<Cell> cell = GlobalObject::EnsurePropertyCell(global, name); | 412 Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name); |
413 ASSERT(cell->value()->IsTheHole()); | 413 ASSERT(cell->value()->IsTheHole()); |
414 __ li(scratch, Operand(cell)); | 414 __ li(scratch, Operand(cell)); |
415 __ lw(scratch, FieldMemOperand(scratch, Cell::kValueOffset)); | 415 __ lw(scratch, FieldMemOperand(scratch, Cell::kValueOffset)); |
416 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); | 416 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); |
417 __ Branch(miss, ne, scratch, Operand(at)); | 417 __ Branch(miss, ne, scratch, Operand(at)); |
418 } | 418 } |
419 | 419 |
420 | 420 |
421 void StoreStubCompiler::GenerateNegativeHolderLookup( | 421 void StoreStubCompiler::GenerateNegativeHolderLookup( |
422 MacroAssembler* masm, | 422 MacroAssembler* masm, |
423 Handle<JSObject> holder, | 423 Handle<JSObject> holder, |
424 Register holder_reg, | 424 Register holder_reg, |
425 Handle<Name> name, | 425 Handle<Name> name, |
426 Label* miss) { | 426 Label* miss) { |
427 if (holder->IsJSGlobalObject()) { | 427 if (holder->IsJSGlobalObject()) { |
428 GenerateCheckPropertyCell( | 428 GenerateCheckPropertyCell( |
429 masm, Handle<GlobalObject>::cast(holder), name, scratch1(), miss); | 429 masm, Handle<JSGlobalObject>::cast(holder), name, scratch1(), miss); |
430 } else if (!holder->HasFastProperties() && !holder->IsJSGlobalProxy()) { | 430 } else if (!holder->HasFastProperties() && !holder->IsJSGlobalProxy()) { |
431 GenerateDictionaryNegativeLookup( | 431 GenerateDictionaryNegativeLookup( |
432 masm, miss, holder_reg, name, scratch1(), scratch2()); | 432 masm, miss, holder_reg, name, scratch1(), scratch2()); |
433 } | 433 } |
434 } | 434 } |
435 | 435 |
436 | 436 |
437 // Generate StoreTransition code, value is passed in a0 register. | 437 // Generate StoreTransition code, value is passed in a0 register. |
438 // After executing generated code, the receiver_reg and name_reg | 438 // After executing generated code, the receiver_reg and name_reg |
439 // may be clobbered. | 439 // may be clobbered. |
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1143 | 1143 |
1144 | 1144 |
1145 void StubCompiler::GenerateCheckPropertyCells(MacroAssembler* masm, | 1145 void StubCompiler::GenerateCheckPropertyCells(MacroAssembler* masm, |
1146 Handle<JSObject> object, | 1146 Handle<JSObject> object, |
1147 Handle<JSObject> holder, | 1147 Handle<JSObject> holder, |
1148 Handle<Name> name, | 1148 Handle<Name> name, |
1149 Register scratch, | 1149 Register scratch, |
1150 Label* miss) { | 1150 Label* miss) { |
1151 Handle<JSObject> current = object; | 1151 Handle<JSObject> current = object; |
1152 while (!current.is_identical_to(holder)) { | 1152 while (!current.is_identical_to(holder)) { |
1153 if (current->IsGlobalObject()) { | 1153 if (current->IsJSGlobalObject()) { |
1154 GenerateCheckPropertyCell(masm, | 1154 GenerateCheckPropertyCell(masm, |
1155 Handle<GlobalObject>::cast(current), | 1155 Handle<JSGlobalObject>::cast(current), |
1156 name, | 1156 name, |
1157 scratch, | 1157 scratch, |
1158 miss); | 1158 miss); |
1159 } | 1159 } |
1160 current = Handle<JSObject>(JSObject::cast(current->GetPrototype())); | 1160 current = Handle<JSObject>(JSObject::cast(current->GetPrototype())); |
1161 } | 1161 } |
1162 } | 1162 } |
1163 | 1163 |
1164 | 1164 |
1165 void StubCompiler::GenerateTailCall(MacroAssembler* masm, Handle<Code> code) { | 1165 void StubCompiler::GenerateTailCall(MacroAssembler* masm, Handle<Code> code) { |
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2921 | 2921 |
2922 // Return the generated code. | 2922 // Return the generated code. |
2923 return GetCode(kind(), Code::INTERCEPTOR, name); | 2923 return GetCode(kind(), Code::INTERCEPTOR, name); |
2924 } | 2924 } |
2925 | 2925 |
2926 | 2926 |
2927 Handle<Code> LoadStubCompiler::CompileLoadNonexistent( | 2927 Handle<Code> LoadStubCompiler::CompileLoadNonexistent( |
2928 Handle<JSObject> object, | 2928 Handle<JSObject> object, |
2929 Handle<JSObject> last, | 2929 Handle<JSObject> last, |
2930 Handle<Name> name, | 2930 Handle<Name> name, |
2931 Handle<GlobalObject> global) { | 2931 Handle<JSGlobalObject> global) { |
2932 Label success; | 2932 Label success; |
2933 | 2933 |
2934 NonexistentHandlerFrontend(object, last, name, &success, global); | 2934 NonexistentHandlerFrontend(object, last, name, &success, global); |
2935 | 2935 |
2936 __ bind(&success); | 2936 __ bind(&success); |
2937 // Return undefined if maps of the full prototype chain is still the same. | 2937 // Return undefined if maps of the full prototype chain is still the same. |
2938 __ LoadRoot(v0, Heap::kUndefinedValueRootIndex); | 2938 __ LoadRoot(v0, Heap::kUndefinedValueRootIndex); |
2939 __ Ret(); | 2939 __ Ret(); |
2940 | 2940 |
2941 // Return the generated code. | 2941 // Return the generated code. |
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3174 // ----------------------------------- | 3174 // ----------------------------------- |
3175 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); | 3175 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); |
3176 } | 3176 } |
3177 | 3177 |
3178 | 3178 |
3179 #undef __ | 3179 #undef __ |
3180 | 3180 |
3181 } } // namespace v8::internal | 3181 } } // namespace v8::internal |
3182 | 3182 |
3183 #endif // V8_TARGET_ARCH_MIPS | 3183 #endif // V8_TARGET_ARCH_MIPS |
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