74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_COMPILER_OPTIMIZING_NODES_MIPS_H_
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#define ART_COMPILER_OPTIMIZING_NODES_MIPS_H_
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namespace art {
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// Compute the address of the method for MIPS Constant area support.
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class HMipsComputeBaseMethodAddress : public HExpression<0> {
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public:
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// Treat the value as an int32_t, but it is really a 32 bit native pointer.
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HMipsComputeBaseMethodAddress()
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: HExpression(Primitive::kPrimInt, SideEffects::None(), kNoDexPc) {}
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bool CanBeMoved() const OVERRIDE { return true; }
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DECLARE_INSTRUCTION(MipsComputeBaseMethodAddress);
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private:
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DISALLOW_COPY_AND_ASSIGN(HMipsComputeBaseMethodAddress);
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};
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// Mips version of HPackedSwitch that holds a pointer to the base method address.
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class HMipsPackedSwitch FINAL : public HTemplateInstruction<2> {
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public:
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HMipsPackedSwitch(int32_t start_value,
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int32_t num_entries,
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HInstruction* input,
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HMipsComputeBaseMethodAddress* method_base,
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uint32_t dex_pc)
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: HTemplateInstruction(SideEffects::None(), dex_pc),
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start_value_(start_value),
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num_entries_(num_entries) {
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SetRawInputAt(0, input);
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SetRawInputAt(1, method_base);
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}
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bool IsControlFlow() const OVERRIDE { return true; }
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int32_t GetStartValue() const { return start_value_; }
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int32_t GetNumEntries() const { return num_entries_; }
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HBasicBlock* GetDefaultBlock() const {
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// Last entry is the default block.
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return GetBlock()->GetSuccessors()[num_entries_];
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}
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DECLARE_INSTRUCTION(MipsPackedSwitch);
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private:
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const int32_t start_value_;
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const int32_t num_entries_;
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DISALLOW_COPY_AND_ASSIGN(HMipsPackedSwitch);
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};
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} // namespace art
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#endif // ART_COMPILER_OPTIMIZING_NODES_MIPS_H_
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