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OMRRegisterDependencyStruct.hpp
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OMRRegisterDependencyStruct.hpp
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/*******************************************************************************
* Copyright (c) 2000, 2020 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at http://eclipse.org/legal/epl-2.0
* or the Apache License, Version 2.0 which accompanies this distribution
* and is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception [1] and GNU General Public
* License, version 2 with the OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
#ifndef OMR_Z_REGISTER_DEPENDENCY_STRUCT_INCL
#define OMR_Z_REGISTER_DEPENDENCY_STRUCT_INCL
/*
* The following #define and typedef must appear before any #includes in this file
*/
#ifndef OMR_REGISTER_DEPENDENCY_STRUCT_CONNECTOR
#define OMR_REGISTER_DEPENDENCY_STRUCT_CONNECTOR
namespace OMR { namespace Z { struct RegisterDependency; } }
namespace OMR { typedef OMR::Z::RegisterDependency RegisterDependencyConnector; }
#else
#error OMR::Z::RegisterDependency expected to be a primary connector, but an OMR connector is already defined
#endif
#include "compiler/codegen/OMRRegisterDependencyStruct.hpp"
#include <stddef.h>
#include "codegen/CodeGenerator.hpp"
#include "codegen/RealRegister.hpp"
#include "codegen/Register.hpp"
#include "infra/Array.hpp"
#include "infra/Assert.hpp"
namespace OMR
{
namespace Z
{
struct RegisterDependency : OMR::RegisterDependency
{
/**
* @return Answers \c true if this register dependency represents an even/odd pair;
* \c false otherwise.
*/
bool isEvenOddPair() { return _realRegister == static_cast<TR::RealRegister::RegNum>(TR::RealRegister::EvenOddPair); }
/**
* @return Answers \c true if this register dependency requires an even register
* that is preceded by an unlocked odd register; \c false otherwise.
*/
bool isLegalEvenOfPair() { return _realRegister == static_cast<TR::RealRegister::RegNum>(TR::RealRegister::LegalEvenOfPair); }
/**
* @return Answers \c true if this register dependency requires an odd register
* that is preceded by an unlocked even register; \c false otherwise.
*/
bool isLegalOddOfPair() { return _realRegister == static_cast<TR::RealRegister::RegNum>(TR::RealRegister::LegalOddOfPair); }
/**
* @return Answers \c true if this register dependency represents an FP pair;
* \c false otherwise.
*/
bool isFPPair() { return _realRegister == static_cast<TR::RealRegister::RegNum>(TR::RealRegister::FPPair); }
/**
* @return Answers \c true if this register dependency represents the first FP
* register of a FP register pair; \c false otherwise.
*/
bool isLegalFirstOfFPPair() { return _realRegister == static_cast<TR::RealRegister::RegNum>(TR::RealRegister::LegalFirstOfFPPair); }
/**
* @return Answers \c true if this register dependency represents the second FP
* register of a FP register pair; \c false otherwise.
*/
bool isLegalSecondOfFPPair() { return _realRegister == static_cast<TR::RealRegister::RegNum>(TR::RealRegister::LegalSecondOfFPPair); }
/**
* @return Answers \c true if this register dependency could be assigned any
* available real register; \c false otherwise.
*/
bool isAssignAny() { return _realRegister == static_cast<TR::RealRegister::RegNum>(TR::RealRegister::AssignAny); }
/**
* @return Answers \c true if this register dependency represents the requirement
* to kill all volatile high registers; \c false otherwise.
*/
bool isKillVolHighRegs() { return _realRegister == static_cast<TR::RealRegister::RegNum>(TR::RealRegister::KillVolHighRegs); }
/**
* @return Answers \c true if this register dependency records a register in
* spill state; \c false otherwise.
*/
bool isSpilledReg() { return _realRegister == static_cast<TR::RealRegister::RegNum>(TR::RealRegister::SpilledReg); }
};
}
}
#endif