1 /* 2 * Copyright (C) 2016 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_MIPS_H_ 18 #define ART_COMPILER_OPTIMIZING_NODES_MIPS_H_ 19 20 namespace art { 21 22 // Compute the address of the method for MIPS Constant area support. 23 class HMipsComputeBaseMethodAddress : public HExpression<0> { 24 public: 25 // Treat the value as an int32_t, but it is really a 32 bit native pointer. HMipsComputeBaseMethodAddress()26 HMipsComputeBaseMethodAddress() 27 : HExpression(Primitive::kPrimInt, SideEffects::None(), kNoDexPc) {} 28 CanBeMoved()29 bool CanBeMoved() const OVERRIDE { return true; } 30 31 DECLARE_INSTRUCTION(MipsComputeBaseMethodAddress); 32 33 private: 34 DISALLOW_COPY_AND_ASSIGN(HMipsComputeBaseMethodAddress); 35 }; 36 37 // Mips version of HPackedSwitch that holds a pointer to the base method address. 38 class HMipsPackedSwitch FINAL : public HTemplateInstruction<2> { 39 public: HMipsPackedSwitch(int32_t start_value,int32_t num_entries,HInstruction * input,HMipsComputeBaseMethodAddress * method_base,uint32_t dex_pc)40 HMipsPackedSwitch(int32_t start_value, 41 int32_t num_entries, 42 HInstruction* input, 43 HMipsComputeBaseMethodAddress* method_base, 44 uint32_t dex_pc) 45 : HTemplateInstruction(SideEffects::None(), dex_pc), 46 start_value_(start_value), 47 num_entries_(num_entries) { 48 SetRawInputAt(0, input); 49 SetRawInputAt(1, method_base); 50 } 51 IsControlFlow()52 bool IsControlFlow() const OVERRIDE { return true; } 53 GetStartValue()54 int32_t GetStartValue() const { return start_value_; } 55 GetNumEntries()56 int32_t GetNumEntries() const { return num_entries_; } 57 GetDefaultBlock()58 HBasicBlock* GetDefaultBlock() const { 59 // Last entry is the default block. 60 return GetBlock()->GetSuccessors()[num_entries_]; 61 } 62 63 DECLARE_INSTRUCTION(MipsPackedSwitch); 64 65 private: 66 const int32_t start_value_; 67 const int32_t num_entries_; 68 69 DISALLOW_COPY_AND_ASSIGN(HMipsPackedSwitch); 70 }; 71 72 } // namespace art 73 74 #endif // ART_COMPILER_OPTIMIZING_NODES_MIPS_H_ 75