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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/compiler/raw-machine-assembler.h" | 5 #include "src/compiler/raw-machine-assembler.h" |
| 6 | 6 |
| 7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
| 8 #include "src/compiler/node-properties.h" | 8 #include "src/compiler/node-properties.h" |
| 9 #include "src/compiler/pipeline.h" | 9 #include "src/compiler/pipeline.h" |
| 10 #include "src/compiler/scheduler.h" | 10 #include "src/compiler/scheduler.h" |
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| 78 | 78 |
| 79 | 79 |
| 80 void RawMachineAssembler::Branch(Node* condition, RawMachineLabel* true_val, | 80 void RawMachineAssembler::Branch(Node* condition, RawMachineLabel* true_val, |
| 81 RawMachineLabel* false_val) { | 81 RawMachineLabel* false_val) { |
| 82 DCHECK(current_block_ != schedule()->end()); | 82 DCHECK(current_block_ != schedule()->end()); |
| 83 Node* branch = MakeNode(common()->Branch(), 1, &condition); | 83 Node* branch = MakeNode(common()->Branch(), 1, &condition); |
| 84 schedule()->AddBranch(CurrentBlock(), branch, Use(true_val), Use(false_val)); | 84 schedule()->AddBranch(CurrentBlock(), branch, Use(true_val), Use(false_val)); |
| 85 current_block_ = nullptr; | 85 current_block_ = nullptr; |
| 86 } | 86 } |
| 87 | 87 |
| 88 |
| 88 void RawMachineAssembler::Switch(Node* index, RawMachineLabel* default_label, | 89 void RawMachineAssembler::Switch(Node* index, RawMachineLabel* default_label, |
| 89 const int32_t* case_values, | 90 int32_t* case_values, |
| 90 RawMachineLabel** case_labels, | 91 RawMachineLabel** case_labels, |
| 91 size_t case_count) { | 92 size_t case_count) { |
| 92 DCHECK_NE(schedule()->end(), current_block_); | 93 DCHECK_NE(schedule()->end(), current_block_); |
| 93 size_t succ_count = case_count + 1; | 94 size_t succ_count = case_count + 1; |
| 94 Node* switch_node = AddNode(common()->Switch(succ_count), index); | 95 Node* switch_node = AddNode(common()->Switch(succ_count), index); |
| 95 BasicBlock** succ_blocks = zone()->NewArray<BasicBlock*>(succ_count); | 96 BasicBlock** succ_blocks = zone()->NewArray<BasicBlock*>(succ_count); |
| 96 for (size_t index = 0; index < case_count; ++index) { | 97 for (size_t index = 0; index < case_count; ++index) { |
| 97 int32_t case_value = case_values[index]; | 98 int32_t case_value = case_values[index]; |
| 98 BasicBlock* case_block = schedule()->NewBasicBlock(); | 99 BasicBlock* case_block = schedule()->NewBasicBlock(); |
| 99 Node* case_node = | 100 Node* case_node = |
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| 512 // The raw machine assembler nodes do not have effect and control inputs, | 513 // The raw machine assembler nodes do not have effect and control inputs, |
| 513 // so we disable checking input counts here. | 514 // so we disable checking input counts here. |
| 514 return graph()->NewNodeUnchecked(op, input_count, inputs); | 515 return graph()->NewNodeUnchecked(op, input_count, inputs); |
| 515 } | 516 } |
| 516 | 517 |
| 517 RawMachineLabel::~RawMachineLabel() { DCHECK(bound_ || !used_); } | 518 RawMachineLabel::~RawMachineLabel() { DCHECK(bound_ || !used_); } |
| 518 | 519 |
| 519 } // namespace compiler | 520 } // namespace compiler |
| 520 } // namespace internal | 521 } // namespace internal |
| 521 } // namespace v8 | 522 } // namespace v8 |
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