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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 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/ic/accessor-assembler.h" | 5 #include "src/ic/accessor-assembler.h" |
6 #include "src/ic/accessor-assembler-impl.h" | 6 #include "src/ic/accessor-assembler-impl.h" |
7 | 7 |
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/ic/handler-configuration.h" | 10 #include "src/ic/handler-configuration.h" |
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1360 // Try looking up the property on the receiver; if unsuccessful, look | 1360 // Try looking up the property on the receiver; if unsuccessful, look |
1361 // for a handler in the stub cache. | 1361 // for a handler in the stub cache. |
1362 Comment("DescriptorArray lookup"); | 1362 Comment("DescriptorArray lookup"); |
1363 | 1363 |
1364 // Skip linear search if there are too many descriptors. | 1364 // Skip linear search if there are too many descriptors. |
1365 // TODO(jkummerow): Consider implementing binary search. | 1365 // TODO(jkummerow): Consider implementing binary search. |
1366 // See also TryLookupProperty() which has the same limitation. | 1366 // See also TryLookupProperty() which has the same limitation. |
1367 const int32_t kMaxLinear = 210; | 1367 const int32_t kMaxLinear = 210; |
1368 Label stub_cache(this); | 1368 Label stub_cache(this); |
1369 Node* bitfield3 = LoadMapBitField3(receiver_map); | 1369 Node* bitfield3 = LoadMapBitField3(receiver_map); |
1370 Node* nof = DecodeWord32<Map::NumberOfOwnDescriptorsBits>(bitfield3); | 1370 Node* nof = |
1371 GotoIf(Uint32LessThan(Int32Constant(kMaxLinear), nof), &stub_cache); | 1371 DecodeWordFromWord32<Map::NumberOfOwnDescriptorsBits>(bitfield3); |
| 1372 GotoIf(UintPtrGreaterThan(nof, IntPtrConstant(kMaxLinear)), &stub_cache); |
1372 Node* descriptors = LoadMapDescriptors(receiver_map); | 1373 Node* descriptors = LoadMapDescriptors(receiver_map); |
1373 Variable var_name_index(this, MachineType::PointerRepresentation()); | 1374 Variable var_name_index(this, MachineType::PointerRepresentation()); |
1374 Label if_descriptor_found(this); | 1375 Label if_descriptor_found(this); |
1375 DescriptorLookupLinear(key, descriptors, nof, &if_descriptor_found, | 1376 DescriptorLookupLinear(key, descriptors, nof, &if_descriptor_found, |
1376 &var_name_index, &stub_cache); | 1377 &var_name_index, &stub_cache); |
1377 | 1378 |
1378 Bind(&if_descriptor_found); | 1379 Bind(&if_descriptor_found); |
1379 { | 1380 { |
1380 LoadPropertyFromFastObject(receiver, receiver_map, descriptors, | 1381 LoadPropertyFromFastObject(receiver, receiver_map, descriptors, |
1381 var_name_index.value(), &var_details, | 1382 var_name_index.value(), &var_details, |
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1767 void AccessorAssembler::GenerateKeyedStoreICTrampolineTF( | 1768 void AccessorAssembler::GenerateKeyedStoreICTrampolineTF( |
1768 CodeAssemblerState* state, LanguageMode language_mode) { | 1769 CodeAssemblerState* state, LanguageMode language_mode) { |
1769 AccessorAssemblerImpl assembler(state); | 1770 AccessorAssemblerImpl assembler(state); |
1770 assembler.GenerateKeyedStoreICTrampolineTF(language_mode); | 1771 assembler.GenerateKeyedStoreICTrampolineTF(language_mode); |
1771 } | 1772 } |
1772 | 1773 |
1773 #undef ACCESSOR_ASSEMBLER_PUBLIC_INTERFACE | 1774 #undef ACCESSOR_ASSEMBLER_PUBLIC_INTERFACE |
1774 | 1775 |
1775 } // namespace internal | 1776 } // namespace internal |
1776 } // namespace v8 | 1777 } // namespace v8 |
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