OLD | NEW |
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/code-stub-assembler.h" | 5 #include "src/code-stub-assembler.h" |
6 #include "src/code-factory.h" | 6 #include "src/code-factory.h" |
7 #include "src/frames-inl.h" | 7 #include "src/frames-inl.h" |
8 #include "src/frames.h" | 8 #include "src/frames.h" |
9 #include "src/ic/handler-configuration.h" | 9 #include "src/ic/handler-configuration.h" |
10 #include "src/ic/stub-cache.h" | 10 #include "src/ic/stub-cache.h" |
(...skipping 3976 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3987 compiler::Node* CodeStubAssembler::LoadTypeFeedbackVectorForStub() { | 3987 compiler::Node* CodeStubAssembler::LoadTypeFeedbackVectorForStub() { |
3988 Node* function = | 3988 Node* function = |
3989 LoadFromParentFrame(JavaScriptFrameConstants::kFunctionOffset); | 3989 LoadFromParentFrame(JavaScriptFrameConstants::kFunctionOffset); |
3990 Node* literals = LoadObjectField(function, JSFunction::kLiteralsOffset); | 3990 Node* literals = LoadObjectField(function, JSFunction::kLiteralsOffset); |
3991 return LoadObjectField(literals, LiteralsArray::kFeedbackVectorOffset); | 3991 return LoadObjectField(literals, LiteralsArray::kFeedbackVectorOffset); |
3992 } | 3992 } |
3993 | 3993 |
3994 void CodeStubAssembler::UpdateFeedback(compiler::Node* feedback, | 3994 void CodeStubAssembler::UpdateFeedback(compiler::Node* feedback, |
3995 compiler::Node* type_feedback_vector, | 3995 compiler::Node* type_feedback_vector, |
3996 compiler::Node* slot_id) { | 3996 compiler::Node* slot_id) { |
3997 Label combine_feedback(this), record_feedback(this), end(this); | |
3998 | |
3999 // This method is used for binary op and compare feedback. These | 3997 // This method is used for binary op and compare feedback. These |
4000 // vector nodes are initialized with a smi 0, so we can simply OR | 3998 // vector nodes are initialized with a smi 0, so we can simply OR |
4001 // our new feedback in place. | 3999 // our new feedback in place. |
| 4000 // TODO(interpreter): Consider passing the feedback as Smi already to avoid |
| 4001 // the tagging completely. |
4002 Node* previous_feedback = | 4002 Node* previous_feedback = |
4003 LoadFixedArrayElement(type_feedback_vector, slot_id); | 4003 LoadFixedArrayElement(type_feedback_vector, slot_id); |
4004 Node* untagged_previous_feedback = SmiUntag(previous_feedback); | 4004 Node* combined_feedback = SmiOr(previous_feedback, SmiFromWord32(feedback)); |
4005 Node* combined_feedback = Word32Or(untagged_previous_feedback, feedback); | 4005 StoreFixedArrayElement(type_feedback_vector, slot_id, combined_feedback, |
4006 StoreFixedArrayElement(type_feedback_vector, slot_id, | 4006 SKIP_WRITE_BARRIER); |
4007 SmiTag(combined_feedback), SKIP_WRITE_BARRIER); | |
4008 } | 4007 } |
4009 | 4008 |
4010 compiler::Node* CodeStubAssembler::LoadReceiverMap(compiler::Node* receiver) { | 4009 compiler::Node* CodeStubAssembler::LoadReceiverMap(compiler::Node* receiver) { |
4011 Variable var_receiver_map(this, MachineRepresentation::kTagged); | 4010 Variable var_receiver_map(this, MachineRepresentation::kTagged); |
4012 // TODO(ishell): defer blocks when it works. | 4011 // TODO(ishell): defer blocks when it works. |
4013 Label load_smi_map(this /*, Label::kDeferred*/), load_receiver_map(this), | 4012 Label load_smi_map(this /*, Label::kDeferred*/), load_receiver_map(this), |
4014 if_result(this); | 4013 if_result(this); |
4015 | 4014 |
4016 Branch(WordIsSmi(receiver), &load_smi_map, &load_receiver_map); | 4015 Branch(WordIsSmi(receiver), &load_smi_map, &load_receiver_map); |
4017 Bind(&load_smi_map); | 4016 Bind(&load_smi_map); |
(...skipping 1515 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
5533 Heap::kTheHoleValueRootIndex); | 5532 Heap::kTheHoleValueRootIndex); |
5534 | 5533 |
5535 // Store the WeakCell in the feedback vector. | 5534 // Store the WeakCell in the feedback vector. |
5536 StoreFixedArrayElement(feedback_vector, slot, cell, UPDATE_WRITE_BARRIER, | 5535 StoreFixedArrayElement(feedback_vector, slot, cell, UPDATE_WRITE_BARRIER, |
5537 CodeStubAssembler::SMI_PARAMETERS); | 5536 CodeStubAssembler::SMI_PARAMETERS); |
5538 return cell; | 5537 return cell; |
5539 } | 5538 } |
5540 | 5539 |
5541 } // namespace internal | 5540 } // namespace internal |
5542 } // namespace v8 | 5541 } // namespace v8 |
OLD | NEW |