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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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