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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/instruction-selector-impl.h" | 5 #include "src/compiler/instruction-selector-impl.h" |
| 6 #include "src/compiler/node-matchers.h" | 6 #include "src/compiler/node-matchers.h" |
| 7 | 7 |
| 8 namespace v8 { | 8 namespace v8 { |
| 9 namespace internal { | 9 namespace internal { |
| 10 namespace compiler { | 10 namespace compiler { |
| 11 | 11 |
| 12 enum ImmediateMode { | 12 enum ImmediateMode { |
| 13 kArithimeticImm, // 12 bit unsigned immediate shifted left 0 or 12 bits | 13 kArithimeticImm, // 12 bit unsigned immediate shifted left 0 or 12 bits |
| 14 kShift32Imm, // 0 - 31 | 14 kShift32Imm, // 0 - 31 |
| 15 kShift64Imm, // 0 -63 | 15 kShift64Imm, // 0 -63 |
| 16 kLogical32Imm, | 16 kLogical32Imm, |
| 17 kLogical64Imm, | 17 kLogical64Imm, |
| 18 kLoadStoreImm, // unsigned 9 bit or signed 7 bit | 18 kLoadStoreImm, // unsigned 9 bit or signed 7 bit |
| 19 kNoImmediate | 19 kNoImmediate |
| 20 }; | 20 }; |
| 21 | 21 |
| 22 | 22 |
| 23 // Adds Arm64-specific methods for generating operands. | 23 // Adds Arm64-specific methods for generating operands. |
| 24 class Arm64OperandGenerator V8_FINAL : public OperandGenerator { | 24 class Arm64OperandGenerator FINAL : public OperandGenerator { |
| 25 public: | 25 public: |
| 26 explicit Arm64OperandGenerator(InstructionSelector* selector) | 26 explicit Arm64OperandGenerator(InstructionSelector* selector) |
| 27 : OperandGenerator(selector) {} | 27 : OperandGenerator(selector) {} |
| 28 | 28 |
| 29 InstructionOperand* UseOperand(Node* node, ImmediateMode mode) { | 29 InstructionOperand* UseOperand(Node* node, ImmediateMode mode) { |
| 30 if (CanBeImmediate(node, mode)) { | 30 if (CanBeImmediate(node, mode)) { |
| 31 return UseImmediate(node); | 31 return UseImmediate(node); |
| 32 } | 32 } |
| 33 return UseRegister(node); | 33 return UseRegister(node); |
| 34 } | 34 } |
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| 666 // Caller clean up of stack for C-style calls. | 666 // Caller clean up of stack for C-style calls. |
| 667 if (is_c_frame && aligned_push_count > 0) { | 667 if (is_c_frame && aligned_push_count > 0) { |
| 668 DCHECK(deoptimization == NULL && continuation == NULL); | 668 DCHECK(deoptimization == NULL && continuation == NULL); |
| 669 Emit(kArchDrop | MiscField::encode(aligned_push_count), NULL); | 669 Emit(kArchDrop | MiscField::encode(aligned_push_count), NULL); |
| 670 } | 670 } |
| 671 } | 671 } |
| 672 | 672 |
| 673 } // namespace compiler | 673 } // namespace compiler |
| 674 } // namespace internal | 674 } // namespace internal |
| 675 } // namespace v8 | 675 } // namespace v8 |
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