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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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| 1181 } | 1181 } |
| 1182 | 1182 |
| 1183 | 1183 |
| 1184 Handle<Code> KeyedLoadStubCompiler::CompileLoadElement( | 1184 Handle<Code> KeyedLoadStubCompiler::CompileLoadElement( |
| 1185 Handle<Map> receiver_map) { | 1185 Handle<Map> receiver_map) { |
| 1186 ElementsKind elements_kind = receiver_map->elements_kind(); | 1186 ElementsKind elements_kind = receiver_map->elements_kind(); |
| 1187 if (receiver_map->has_fast_elements() || | 1187 if (receiver_map->has_fast_elements() || |
| 1188 receiver_map->has_external_array_elements() || | 1188 receiver_map->has_external_array_elements() || |
| 1189 receiver_map->has_fixed_typed_array_elements()) { | 1189 receiver_map->has_fixed_typed_array_elements()) { |
| 1190 Handle<Code> stub = KeyedLoadFastElementStub( | 1190 Handle<Code> stub = KeyedLoadFastElementStub( |
| 1191 isolate(), |
| 1191 receiver_map->instance_type() == JS_ARRAY_TYPE, | 1192 receiver_map->instance_type() == JS_ARRAY_TYPE, |
| 1192 elements_kind).GetCode(isolate()); | 1193 elements_kind).GetCode(isolate()); |
| 1193 __ DispatchMap(receiver(), scratch1(), receiver_map, stub, DO_SMI_CHECK); | 1194 __ DispatchMap(receiver(), scratch1(), receiver_map, stub, DO_SMI_CHECK); |
| 1194 } else { | 1195 } else { |
| 1195 Handle<Code> stub = FLAG_compiled_keyed_dictionary_loads | 1196 Handle<Code> stub = FLAG_compiled_keyed_dictionary_loads |
| 1196 ? KeyedLoadDictionaryElementStub().GetCode(isolate()) | 1197 ? KeyedLoadDictionaryElementStub(isolate()).GetCode(isolate()) |
| 1197 : KeyedLoadDictionaryElementPlatformStub().GetCode(isolate()); | 1198 : KeyedLoadDictionaryElementPlatformStub(isolate()).GetCode(isolate()); |
| 1198 __ DispatchMap(receiver(), scratch1(), receiver_map, stub, DO_SMI_CHECK); | 1199 __ DispatchMap(receiver(), scratch1(), receiver_map, stub, DO_SMI_CHECK); |
| 1199 } | 1200 } |
| 1200 | 1201 |
| 1201 TailCallBuiltin(masm(), Builtins::kKeyedLoadIC_Miss); | 1202 TailCallBuiltin(masm(), Builtins::kKeyedLoadIC_Miss); |
| 1202 | 1203 |
| 1203 // Return the generated code. | 1204 // Return the generated code. |
| 1204 return GetICCode(kind(), Code::NORMAL, factory()->empty_string()); | 1205 return GetICCode(kind(), Code::NORMAL, factory()->empty_string()); |
| 1205 } | 1206 } |
| 1206 | 1207 |
| 1207 | 1208 |
| 1208 Handle<Code> KeyedStoreStubCompiler::CompileStoreElement( | 1209 Handle<Code> KeyedStoreStubCompiler::CompileStoreElement( |
| 1209 Handle<Map> receiver_map) { | 1210 Handle<Map> receiver_map) { |
| 1210 ElementsKind elements_kind = receiver_map->elements_kind(); | 1211 ElementsKind elements_kind = receiver_map->elements_kind(); |
| 1211 bool is_jsarray = receiver_map->instance_type() == JS_ARRAY_TYPE; | 1212 bool is_jsarray = receiver_map->instance_type() == JS_ARRAY_TYPE; |
| 1212 Handle<Code> stub; | 1213 Handle<Code> stub; |
| 1213 if (receiver_map->has_fast_elements() || | 1214 if (receiver_map->has_fast_elements() || |
| 1214 receiver_map->has_external_array_elements() || | 1215 receiver_map->has_external_array_elements() || |
| 1215 receiver_map->has_fixed_typed_array_elements()) { | 1216 receiver_map->has_fixed_typed_array_elements()) { |
| 1216 stub = KeyedStoreFastElementStub( | 1217 stub = KeyedStoreFastElementStub( |
| 1218 isolate(), |
| 1217 is_jsarray, | 1219 is_jsarray, |
| 1218 elements_kind, | 1220 elements_kind, |
| 1219 store_mode()).GetCode(isolate()); | 1221 store_mode()).GetCode(isolate()); |
| 1220 } else { | 1222 } else { |
| 1221 stub = KeyedStoreElementStub(is_jsarray, | 1223 stub = KeyedStoreElementStub(isolate(), |
| 1224 is_jsarray, |
| 1222 elements_kind, | 1225 elements_kind, |
| 1223 store_mode()).GetCode(isolate()); | 1226 store_mode()).GetCode(isolate()); |
| 1224 } | 1227 } |
| 1225 | 1228 |
| 1226 __ DispatchMap(receiver(), scratch1(), receiver_map, stub, DO_SMI_CHECK); | 1229 __ DispatchMap(receiver(), scratch1(), receiver_map, stub, DO_SMI_CHECK); |
| 1227 | 1230 |
| 1228 TailCallBuiltin(masm(), Builtins::kKeyedStoreIC_Miss); | 1231 TailCallBuiltin(masm(), Builtins::kKeyedStoreIC_Miss); |
| 1229 | 1232 |
| 1230 // Return the generated code. | 1233 // Return the generated code. |
| 1231 return GetICCode(kind(), Code::NORMAL, factory()->empty_string()); | 1234 return GetICCode(kind(), Code::NORMAL, factory()->empty_string()); |
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| 1307 } else if (receiver_map->instance_type() < FIRST_JS_RECEIVER_TYPE) { | 1310 } else if (receiver_map->instance_type() < FIRST_JS_RECEIVER_TYPE) { |
| 1308 cached_stub = isolate()->builtins()->KeyedLoadIC_Slow(); | 1311 cached_stub = isolate()->builtins()->KeyedLoadIC_Slow(); |
| 1309 } else { | 1312 } else { |
| 1310 bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE; | 1313 bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE; |
| 1311 ElementsKind elements_kind = receiver_map->elements_kind(); | 1314 ElementsKind elements_kind = receiver_map->elements_kind(); |
| 1312 | 1315 |
| 1313 if (IsFastElementsKind(elements_kind) || | 1316 if (IsFastElementsKind(elements_kind) || |
| 1314 IsExternalArrayElementsKind(elements_kind) || | 1317 IsExternalArrayElementsKind(elements_kind) || |
| 1315 IsFixedTypedArrayElementsKind(elements_kind)) { | 1318 IsFixedTypedArrayElementsKind(elements_kind)) { |
| 1316 cached_stub = | 1319 cached_stub = |
| 1317 KeyedLoadFastElementStub(is_js_array, | 1320 KeyedLoadFastElementStub(isolate(), |
| 1321 is_js_array, |
| 1318 elements_kind).GetCode(isolate()); | 1322 elements_kind).GetCode(isolate()); |
| 1319 } else if (elements_kind == SLOPPY_ARGUMENTS_ELEMENTS) { | 1323 } else if (elements_kind == SLOPPY_ARGUMENTS_ELEMENTS) { |
| 1320 cached_stub = isolate()->builtins()->KeyedLoadIC_SloppyArguments(); | 1324 cached_stub = isolate()->builtins()->KeyedLoadIC_SloppyArguments(); |
| 1321 } else { | 1325 } else { |
| 1322 ASSERT(elements_kind == DICTIONARY_ELEMENTS); | 1326 ASSERT(elements_kind == DICTIONARY_ELEMENTS); |
| 1323 cached_stub = KeyedLoadDictionaryElementStub().GetCode(isolate()); | 1327 cached_stub = |
| 1328 KeyedLoadDictionaryElementStub(isolate()).GetCode(isolate()); |
| 1324 } | 1329 } |
| 1325 } | 1330 } |
| 1326 | 1331 |
| 1327 handlers->Add(cached_stub); | 1332 handlers->Add(cached_stub); |
| 1328 } | 1333 } |
| 1329 } | 1334 } |
| 1330 | 1335 |
| 1331 | 1336 |
| 1332 Handle<Code> KeyedStoreStubCompiler::CompileStoreElementPolymorphic( | 1337 Handle<Code> KeyedStoreStubCompiler::CompileStoreElementPolymorphic( |
| 1333 MapHandleList* receiver_maps) { | 1338 MapHandleList* receiver_maps) { |
| 1334 // Collect MONOMORPHIC stubs for all |receiver_maps|. | 1339 // Collect MONOMORPHIC stubs for all |receiver_maps|. |
| 1335 CodeHandleList handlers(receiver_maps->length()); | 1340 CodeHandleList handlers(receiver_maps->length()); |
| 1336 MapHandleList transitioned_maps(receiver_maps->length()); | 1341 MapHandleList transitioned_maps(receiver_maps->length()); |
| 1337 for (int i = 0; i < receiver_maps->length(); ++i) { | 1342 for (int i = 0; i < receiver_maps->length(); ++i) { |
| 1338 Handle<Map> receiver_map(receiver_maps->at(i)); | 1343 Handle<Map> receiver_map(receiver_maps->at(i)); |
| 1339 Handle<Code> cached_stub; | 1344 Handle<Code> cached_stub; |
| 1340 Handle<Map> transitioned_map = | 1345 Handle<Map> transitioned_map = |
| 1341 receiver_map->FindTransitionedMap(receiver_maps); | 1346 receiver_map->FindTransitionedMap(receiver_maps); |
| 1342 | 1347 |
| 1343 // TODO(mvstanton): The code below is doing pessimistic elements | 1348 // TODO(mvstanton): The code below is doing pessimistic elements |
| 1344 // transitions. I would like to stop doing that and rely on Allocation Site | 1349 // transitions. I would like to stop doing that and rely on Allocation Site |
| 1345 // Tracking to do a better job of ensuring the data types are what they need | 1350 // Tracking to do a better job of ensuring the data types are what they need |
| 1346 // to be. Not all the elements are in place yet, pessimistic elements | 1351 // to be. Not all the elements are in place yet, pessimistic elements |
| 1347 // transitions are still important for performance. | 1352 // transitions are still important for performance. |
| 1348 bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE; | 1353 bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE; |
| 1349 ElementsKind elements_kind = receiver_map->elements_kind(); | 1354 ElementsKind elements_kind = receiver_map->elements_kind(); |
| 1350 if (!transitioned_map.is_null()) { | 1355 if (!transitioned_map.is_null()) { |
| 1351 cached_stub = ElementsTransitionAndStoreStub( | 1356 cached_stub = ElementsTransitionAndStoreStub( |
| 1357 isolate(), |
| 1352 elements_kind, | 1358 elements_kind, |
| 1353 transitioned_map->elements_kind(), | 1359 transitioned_map->elements_kind(), |
| 1354 is_js_array, | 1360 is_js_array, |
| 1355 store_mode()).GetCode(isolate()); | 1361 store_mode()).GetCode(isolate()); |
| 1356 } else if (receiver_map->instance_type() < FIRST_JS_RECEIVER_TYPE) { | 1362 } else if (receiver_map->instance_type() < FIRST_JS_RECEIVER_TYPE) { |
| 1357 cached_stub = isolate()->builtins()->KeyedStoreIC_Slow(); | 1363 cached_stub = isolate()->builtins()->KeyedStoreIC_Slow(); |
| 1358 } else { | 1364 } else { |
| 1359 if (receiver_map->has_fast_elements() || | 1365 if (receiver_map->has_fast_elements() || |
| 1360 receiver_map->has_external_array_elements() || | 1366 receiver_map->has_external_array_elements() || |
| 1361 receiver_map->has_fixed_typed_array_elements()) { | 1367 receiver_map->has_fixed_typed_array_elements()) { |
| 1362 cached_stub = KeyedStoreFastElementStub( | 1368 cached_stub = KeyedStoreFastElementStub( |
| 1369 isolate(), |
| 1363 is_js_array, | 1370 is_js_array, |
| 1364 elements_kind, | 1371 elements_kind, |
| 1365 store_mode()).GetCode(isolate()); | 1372 store_mode()).GetCode(isolate()); |
| 1366 } else { | 1373 } else { |
| 1367 cached_stub = KeyedStoreElementStub( | 1374 cached_stub = KeyedStoreElementStub( |
| 1375 isolate(), |
| 1368 is_js_array, | 1376 is_js_array, |
| 1369 elements_kind, | 1377 elements_kind, |
| 1370 store_mode()).GetCode(isolate()); | 1378 store_mode()).GetCode(isolate()); |
| 1371 } | 1379 } |
| 1372 } | 1380 } |
| 1373 ASSERT(!cached_stub.is_null()); | 1381 ASSERT(!cached_stub.is_null()); |
| 1374 handlers.Add(cached_stub); | 1382 handlers.Add(cached_stub); |
| 1375 transitioned_maps.Add(transitioned_map); | 1383 transitioned_maps.Add(transitioned_map); |
| 1376 } | 1384 } |
| 1377 Handle<Code> code = | 1385 Handle<Code> code = |
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| 1499 Handle<FunctionTemplateInfo>( | 1507 Handle<FunctionTemplateInfo>( |
| 1500 FunctionTemplateInfo::cast(signature->receiver())); | 1508 FunctionTemplateInfo::cast(signature->receiver())); |
| 1501 } | 1509 } |
| 1502 } | 1510 } |
| 1503 | 1511 |
| 1504 is_simple_api_call_ = true; | 1512 is_simple_api_call_ = true; |
| 1505 } | 1513 } |
| 1506 | 1514 |
| 1507 | 1515 |
| 1508 } } // namespace v8::internal | 1516 } } // namespace v8::internal |
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