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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_COMPILER_OPTIMIZING_NODES_X86_H_
#define ART_COMPILER_OPTIMIZING_NODES_X86_H_
namespace art {
// Compute the address of the method for X86 Constant area support.
class HX86ComputeBaseMethodAddress : public HExpression<0> {
public:
// Treat the value as an int32_t, but it is really a 32 bit native pointer.
HX86ComputeBaseMethodAddress()
: HExpression(Primitive::kPrimInt, SideEffects::None(), kNoDexPc) {}
DECLARE_INSTRUCTION(X86ComputeBaseMethodAddress);
private:
DISALLOW_COPY_AND_ASSIGN(HX86ComputeBaseMethodAddress);
};
// Load a constant value from the constant table.
class HX86LoadFromConstantTable : public HExpression<2> {
public:
HX86LoadFromConstantTable(HX86ComputeBaseMethodAddress* method_base,
HConstant* constant,
bool needs_materialization = true)
: HExpression(constant->GetType(), SideEffects::None(), kNoDexPc),
needs_materialization_(needs_materialization) {
SetRawInputAt(0, method_base);
SetRawInputAt(1, constant);
}
bool NeedsMaterialization() const { return needs_materialization_; }
HX86ComputeBaseMethodAddress* GetBaseMethodAddress() const {
return InputAt(0)->AsX86ComputeBaseMethodAddress();
}
HConstant* GetConstant() const {
return InputAt(1)->AsConstant();
}
DECLARE_INSTRUCTION(X86LoadFromConstantTable);
private:
const bool needs_materialization_;
DISALLOW_COPY_AND_ASSIGN(HX86LoadFromConstantTable);
};
} // namespace art
#endif // ART_COMPILER_OPTIMIZING_NODES_X86_H_
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