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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_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
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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403 | 403 |
404 void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label, | 404 void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label, |
405 Handle<Name> name) { | 405 Handle<Name> name) { |
406 if (!label->is_unused()) { | 406 if (!label->is_unused()) { |
407 __ bind(label); | 407 __ bind(label); |
408 __ mov(this->name(), Immediate(name)); | 408 __ mov(this->name(), Immediate(name)); |
409 } | 409 } |
410 } | 410 } |
411 | 411 |
412 | 412 |
413 void NamedStoreHandlerCompiler::GenerateNegativeHolderLookup( | |
414 Register holder_reg, Handle<Name> name, Label* miss) { | |
415 if (holder()->IsJSGlobalObject()) { | |
416 GenerateCheckPropertyCell(masm(), Handle<JSGlobalObject>::cast(holder()), | |
417 name, scratch1(), miss); | |
418 } else if (!holder()->HasFastProperties()) { | |
419 GenerateDictionaryNegativeLookup(masm(), miss, holder_reg, name, scratch1(), | |
420 scratch2()); | |
421 } | |
422 } | |
423 | |
424 | |
425 // Receiver_reg is preserved on jumps to miss_label, but may be destroyed if | 413 // Receiver_reg is preserved on jumps to miss_label, but may be destroyed if |
426 // store is successful. | 414 // store is successful. |
427 void NamedStoreHandlerCompiler::GenerateStoreTransition( | 415 void NamedStoreHandlerCompiler::GenerateStoreTransition( |
428 Handle<Map> transition, Handle<Name> name, Register receiver_reg, | 416 Handle<Map> transition, Handle<Name> name, Register receiver_reg, |
429 Register storage_reg, Register value_reg, Register scratch1, | 417 Register storage_reg, Register value_reg, Register scratch1, |
430 Register scratch2, Register unused, Label* miss_label, Label* slow) { | 418 Register scratch2, Register unused, Label* miss_label, Label* slow) { |
431 int descriptor = transition->LastAdded(); | 419 int descriptor = transition->LastAdded(); |
432 DescriptorArray* descriptors = transition->instance_descriptors(); | 420 DescriptorArray* descriptors = transition->instance_descriptors(); |
433 PropertyDetails details = descriptors->GetDetails(descriptor); | 421 PropertyDetails details = descriptors->GetDetails(descriptor); |
434 Representation representation = details.representation(); | 422 Representation representation = details.representation(); |
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1144 } | 1132 } |
1145 } | 1133 } |
1146 __ bind(&miss); | 1134 __ bind(&miss); |
1147 TailCallBuiltin(masm(), MissBuiltin(kind())); | 1135 TailCallBuiltin(masm(), MissBuiltin(kind())); |
1148 | 1136 |
1149 // Return the generated code. | 1137 // Return the generated code. |
1150 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); | 1138 return GetCode(kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); |
1151 } | 1139 } |
1152 | 1140 |
1153 | 1141 |
1154 Handle<Code> NamedLoadHandlerCompiler::CompileLoadNonexistent( | |
1155 Handle<Name> name) { | |
1156 NonexistentFrontend(name); | |
1157 | |
1158 // Return undefined if maps of the full prototype chain are still the | |
1159 // same and no global property with this name contains a value. | |
1160 __ mov(eax, isolate()->factory()->undefined_value()); | |
1161 __ ret(0); | |
1162 | |
1163 // Return the generated code. | |
1164 return GetCode(kind(), Code::FAST, name); | |
1165 } | |
1166 | |
1167 | |
1168 Register* PropertyAccessCompiler::load_calling_convention() { | 1142 Register* PropertyAccessCompiler::load_calling_convention() { |
1169 // receiver, name, scratch1, scratch2, scratch3, scratch4. | 1143 // receiver, name, scratch1, scratch2, scratch3, scratch4. |
1170 Register receiver = LoadIC::ReceiverRegister(); | 1144 Register receiver = LoadIC::ReceiverRegister(); |
1171 Register name = LoadIC::NameRegister(); | 1145 Register name = LoadIC::NameRegister(); |
1172 static Register registers[] = { receiver, name, ebx, eax, edi, no_reg }; | 1146 static Register registers[] = { receiver, name, ebx, eax, edi, no_reg }; |
1173 return registers; | 1147 return registers; |
1174 } | 1148 } |
1175 | 1149 |
1176 | 1150 |
1177 Register* PropertyAccessCompiler::store_calling_convention() { | 1151 Register* PropertyAccessCompiler::store_calling_convention() { |
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1364 // ----------------------------------- | 1338 // ----------------------------------- |
1365 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | 1339 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
1366 } | 1340 } |
1367 | 1341 |
1368 | 1342 |
1369 #undef __ | 1343 #undef __ |
1370 | 1344 |
1371 } } // namespace v8::internal | 1345 } } // namespace v8::internal |
1372 | 1346 |
1373 #endif // V8_TARGET_ARCH_IA32 | 1347 #endif // V8_TARGET_ARCH_IA32 |
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