nodes_shared.h revision debeb98aaa8950caf1a19df490f2ac9bf563075b 
1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ART_COMPILER_OPTIMIZING_NODES_SHARED_H_
18#define ART_COMPILER_OPTIMIZING_NODES_SHARED_H_
19
20namespace art {
21
22class HMultiplyAccumulate : public HExpression<3> {
23 public:
24  HMultiplyAccumulate(Primitive::Type type,
25                      InstructionKind op,
26                      HInstruction* accumulator,
27                      HInstruction* mul_left,
28                      HInstruction* mul_right,
29                      uint32_t dex_pc = kNoDexPc)
30      : HExpression(type, SideEffects::None(), dex_pc), op_kind_(op) {
31    SetRawInputAt(kInputAccumulatorIndex, accumulator);
32    SetRawInputAt(kInputMulLeftIndex, mul_left);
33    SetRawInputAt(kInputMulRightIndex, mul_right);
34  }
35
36  static constexpr int kInputAccumulatorIndex = 0;
37  static constexpr int kInputMulLeftIndex = 1;
38  static constexpr int kInputMulRightIndex = 2;
39
40  bool CanBeMoved() const OVERRIDE { return true; }
41  bool InstructionDataEquals(HInstruction* other) const OVERRIDE {
42    return op_kind_ == other->AsMultiplyAccumulate()->op_kind_;
43  }
44
45  InstructionKind GetOpKind() const { return op_kind_; }
46
47  DECLARE_INSTRUCTION(MultiplyAccumulate);
48
49 private:
50  // Indicates if this is a MADD or MSUB.
51  const InstructionKind op_kind_;
52
53  DISALLOW_COPY_AND_ASSIGN(HMultiplyAccumulate);
54};
55
56}  // namespace art
57
58#endif  // ART_COMPILER_OPTIMIZING_NODES_SHARED_H_
59