Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(398)

Side by Side Diff: src/ic/ic.cc

Issue 2595343002: [stubs] Port LoadFieldStub to TF (Closed)
Patch Set: Remerge Created 3 years, 12 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « src/ic/ic.h ('k') | src/interface-descriptors.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
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/ic/ic.h" 5 #include "src/ic/ic.h"
6 6
7 #include <iostream> 7 #include <iostream>
8 8
9 #include "src/accessors.h" 9 #include "src/accessors.h"
10 #include "src/api-arguments-inl.h" 10 #include "src/api-arguments-inl.h"
(...skipping 865 matching lines...) Expand 10 before | Expand all | Expand 10 after
876 // Indicate that we've handled this case. 876 // Indicate that we've handled this case.
877 DCHECK(UseVector()); 877 DCHECK(UseVector());
878 vector_set_ = true; 878 vector_set_ = true;
879 break; 879 break;
880 case GENERIC: 880 case GENERIC:
881 UNREACHABLE(); 881 UNREACHABLE();
882 break; 882 break;
883 } 883 }
884 } 884 }
885 885
886 Handle<Object> LoadIC::SimpleFieldLoad(FieldIndex index) { 886 Handle<Object> LoadIC::SimpleFieldLoad(Isolate* isolate, FieldIndex index) {
887 TRACE_HANDLER_STATS(isolate(), LoadIC_LoadFieldDH); 887 TRACE_HANDLER_STATS(isolate, LoadIC_LoadFieldDH);
888 return LoadHandler::LoadField(isolate(), index); 888 return LoadHandler::LoadField(isolate, index);
889 } 889 }
890 890
891 namespace { 891 namespace {
892 892
893 template <bool fill_array = true> 893 template <bool fill_array = true>
894 int InitPrototypeChecks(Isolate* isolate, Handle<Map> receiver_map, 894 int InitPrototypeChecks(Isolate* isolate, Handle<Map> receiver_map,
895 Handle<JSObject> holder, Handle<Name> name, 895 Handle<JSObject> holder, Handle<Name> name,
896 Handle<FixedArray> array, int first_index) { 896 Handle<FixedArray> array, int first_index) {
897 DCHECK(holder.is_null() || holder->HasFastProperties()); 897 DCHECK(holder.is_null() || holder->HasFastProperties());
898 898
(...skipping 404 matching lines...) Expand 10 before | Expand all | Expand 10 after
1303 Map::UpdateCodeCache(stub_holder_map, lookup->name(), code); 1303 Map::UpdateCodeCache(stub_holder_map, lookup->name(), code);
1304 } 1304 }
1305 return handler; 1305 return handler;
1306 } 1306 }
1307 1307
1308 Handle<Object> LoadIC::GetMapIndependentHandler(LookupIterator* lookup) { 1308 Handle<Object> LoadIC::GetMapIndependentHandler(LookupIterator* lookup) {
1309 Handle<Object> receiver = lookup->GetReceiver(); 1309 Handle<Object> receiver = lookup->GetReceiver();
1310 if (receiver->IsString() && 1310 if (receiver->IsString() &&
1311 Name::Equals(isolate()->factory()->length_string(), lookup->name())) { 1311 Name::Equals(isolate()->factory()->length_string(), lookup->name())) {
1312 FieldIndex index = FieldIndex::ForInObjectOffset(String::kLengthOffset); 1312 FieldIndex index = FieldIndex::ForInObjectOffset(String::kLengthOffset);
1313 return SimpleFieldLoad(index); 1313 return SimpleFieldLoad(isolate(), index);
1314 } 1314 }
1315 1315
1316 if (receiver->IsStringWrapper() && 1316 if (receiver->IsStringWrapper() &&
1317 Name::Equals(isolate()->factory()->length_string(), lookup->name())) { 1317 Name::Equals(isolate()->factory()->length_string(), lookup->name())) {
1318 TRACE_HANDLER_STATS(isolate(), LoadIC_StringLengthStub); 1318 TRACE_HANDLER_STATS(isolate(), LoadIC_StringLengthStub);
1319 StringLengthStub string_length_stub(isolate()); 1319 StringLengthStub string_length_stub(isolate());
1320 return string_length_stub.GetCode(); 1320 return string_length_stub.GetCode();
1321 } 1321 }
1322 1322
1323 // Use specialized code for getting prototype of functions. 1323 // Use specialized code for getting prototype of functions.
(...skipping 17 matching lines...) Expand all
1341 break; // Custom-compiled handler. 1341 break; // Custom-compiled handler.
1342 1342
1343 case LookupIterator::ACCESSOR: { 1343 case LookupIterator::ACCESSOR: {
1344 // Use simple field loads for some well-known callback properties. 1344 // Use simple field loads for some well-known callback properties.
1345 // The method will only return true for absolute truths based on the 1345 // The method will only return true for absolute truths based on the
1346 // receiver maps. 1346 // receiver maps.
1347 int object_offset; 1347 int object_offset;
1348 if (Accessors::IsJSObjectFieldAccessor(map, lookup->name(), 1348 if (Accessors::IsJSObjectFieldAccessor(map, lookup->name(),
1349 &object_offset)) { 1349 &object_offset)) {
1350 FieldIndex index = FieldIndex::ForInObjectOffset(object_offset, *map); 1350 FieldIndex index = FieldIndex::ForInObjectOffset(object_offset, *map);
1351 return SimpleFieldLoad(index); 1351 return SimpleFieldLoad(isolate(), index);
1352 } 1352 }
1353 1353
1354 if (IsCompatibleReceiver(lookup, map)) { 1354 if (IsCompatibleReceiver(lookup, map)) {
1355 Handle<Object> accessors = lookup->GetAccessors(); 1355 Handle<Object> accessors = lookup->GetAccessors();
1356 if (accessors->IsAccessorPair()) { 1356 if (accessors->IsAccessorPair()) {
1357 if (!holder->HasFastProperties()) { 1357 if (!holder->HasFastProperties()) {
1358 TRACE_HANDLER_STATS(isolate(), LoadIC_SlowStub); 1358 TRACE_HANDLER_STATS(isolate(), LoadIC_SlowStub);
1359 return slow_stub(); 1359 return slow_stub();
1360 } 1360 }
1361 // When debugging we need to go the slow path to flood the accessor. 1361 // When debugging we need to go the slow path to flood the accessor.
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after
1412 TRACE_HANDLER_STATS(isolate(), LoadIC_SlowStub); 1412 TRACE_HANDLER_STATS(isolate(), LoadIC_SlowStub);
1413 return slow_stub(); 1413 return slow_stub();
1414 } 1414 }
1415 TRACE_HANDLER_STATS(isolate(), LoadIC_LoadNormal); 1415 TRACE_HANDLER_STATS(isolate(), LoadIC_LoadNormal);
1416 return isolate()->builtins()->LoadIC_Normal(); 1416 return isolate()->builtins()->LoadIC_Normal();
1417 } 1417 }
1418 1418
1419 // -------------- Fields -------------- 1419 // -------------- Fields --------------
1420 if (lookup->property_details().type() == DATA) { 1420 if (lookup->property_details().type() == DATA) {
1421 FieldIndex field = lookup->GetFieldIndex(); 1421 FieldIndex field = lookup->GetFieldIndex();
1422 Handle<Object> smi_handler = SimpleFieldLoad(field); 1422 Handle<Object> smi_handler = SimpleFieldLoad(isolate(), field);
1423 if (receiver_is_holder) { 1423 if (receiver_is_holder) {
1424 return smi_handler; 1424 return smi_handler;
1425 } 1425 }
1426 TRACE_HANDLER_STATS(isolate(), LoadIC_LoadFieldFromPrototypeDH); 1426 TRACE_HANDLER_STATS(isolate(), LoadIC_LoadFieldFromPrototypeDH);
1427 return LoadFromPrototype(map, holder, lookup->name(), smi_handler); 1427 return LoadFromPrototype(map, holder, lookup->name(), smi_handler);
1428 } 1428 }
1429 1429
1430 // -------------- Constant properties -------------- 1430 // -------------- Constant properties --------------
1431 DCHECK(lookup->property_details().type() == DATA_CONSTANT); 1431 DCHECK(lookup->property_details().type() == DATA_CONSTANT);
1432 Handle<Object> smi_handler = 1432 Handle<Object> smi_handler =
(...skipping 1779 matching lines...) Expand 10 before | Expand all | Expand 10 after
3212 DCHECK_EQ(LookupIterator::INTERCEPTOR, it.state()); 3212 DCHECK_EQ(LookupIterator::INTERCEPTOR, it.state());
3213 it.Next(); 3213 it.Next();
3214 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, 3214 ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
3215 Object::GetProperty(&it)); 3215 Object::GetProperty(&it));
3216 } 3216 }
3217 3217
3218 return *result; 3218 return *result;
3219 } 3219 }
3220 } // namespace internal 3220 } // namespace internal
3221 } // namespace v8 3221 } // namespace v8
OLDNEW
« no previous file with comments | « src/ic/ic.h ('k') | src/interface-descriptors.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698