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PPCInstruction.hpp
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PPCInstruction.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 PPCINSTRUCTION_INCL
#define PPCINSTRUCTION_INCL
#include <stddef.h>
#include <stdint.h>
#include "codegen/CodeGenerator.hpp"
#include "codegen/InstOpCode.hpp"
#include "codegen/Instruction.hpp"
#include "codegen/MemoryReference.hpp"
#include "codegen/RealRegister.hpp"
#include "codegen/Register.hpp"
#include "codegen/RegisterConstants.hpp"
#include "codegen/RegisterDependency.hpp"
#include "codegen/RegisterDependencyStruct.hpp"
#include "codegen/Snippet.hpp"
#include "codegen/UnresolvedDataSnippet.hpp"
#include "compile/Compilation.hpp"
#include "env/Processors.hpp"
#include "env/TRMemory.hpp"
#include "env/jittypes.h"
#include "il/DataTypes.hpp"
#include "il/ILOpCodes.hpp"
#include "il/LabelSymbol.hpp"
#include "il/Node.hpp"
#include "infra/Assert.hpp"
#include "p/codegen/PPCOpsDefines.hpp"
#include "runtime/Runtime.hpp"
#include "codegen/GCStackMap.hpp"
class TR_VirtualGuardSite;
namespace TR { class SymbolReference; }
#define PPC_INSTRUCTION_LENGTH 4
namespace TR
{
class PPCAlignmentNopInstruction : public TR::Instruction
{
uint32_t _alignment;
void setAlignment(uint32_t alignment)
{
TR_ASSERT_FATAL((alignment % PPC_INSTRUCTION_LENGTH) == 0, "Alignment must be a multiple of the nop instruction length");
_alignment = alignment != 0 ? alignment : PPC_INSTRUCTION_LENGTH;
}
public:
PPCAlignmentNopInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, uint32_t alignment, TR::CodeGenerator *codeGen)
: TR::Instruction(op, n, codeGen)
{
setAlignment(alignment);
}
PPCAlignmentNopInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, uint32_t alignment, TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: TR::Instruction(op, n, precedingInstruction, codeGen)
{
setAlignment(alignment);
}
virtual Kind getKind() { return IsAlignmentNop; }
uint32_t getAlignment() { return _alignment; }
virtual uint8_t *generateBinaryEncoding();
virtual int32_t estimateBinaryLength(int32_t currentEstimate);
virtual uint8_t getBinaryLengthLowerBound();
};
class PPCImmInstruction : public TR::Instruction
{
uint32_t _sourceImmediate;
TR_ExternalRelocationTargetKind _reloKind;
TR::SymbolReference *_symbolReference;
public:
//Six variants of this constructor:
// 1. Has a specified relocation type, or it does not.
// 2. Has a symbol reference to go with relocation type, or it does not.
// 3. Has a specified preceding instruction, or it does not.
//Without relocation types here.
PPCImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, uint32_t imm, TR::CodeGenerator *codeGen, uint32_t bf = 0)
: TR::Instruction(op, n, codeGen), _sourceImmediate(imm), _reloKind(TR_NoRelocation), _symbolReference(NULL)
{
}
PPCImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, uint32_t imm,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen, uint32_t bf = 0)
: TR::Instruction(op, n, precedingInstruction, codeGen), _sourceImmediate(imm), _reloKind(TR_NoRelocation), _symbolReference(NULL)
{
}
//With relocation types here.
PPCImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, uint32_t imm, TR_ExternalRelocationTargetKind relocationKind,
TR::CodeGenerator *codeGen, uint32_t bf = 0)
: TR::Instruction(op, n, codeGen), _sourceImmediate(imm), _reloKind(relocationKind), _symbolReference(NULL)
{
setNeedsAOTRelocation(true);
}
PPCImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, uint32_t imm, TR_ExternalRelocationTargetKind relocationKind,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen, uint32_t bf = 0)
: TR::Instruction(op, n, precedingInstruction, codeGen), _sourceImmediate(imm), _reloKind(relocationKind), _symbolReference(NULL)
{
setNeedsAOTRelocation(true);
}
//With relocation types and associated symbol references here.
PPCImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, uint32_t imm, TR_ExternalRelocationTargetKind relocationKind,
TR::SymbolReference *sr, TR::CodeGenerator *codeGen, uint32_t bf = 0)
: TR::Instruction(op, n, codeGen), _sourceImmediate(imm), _reloKind(relocationKind), _symbolReference(sr)
{
setNeedsAOTRelocation(true);
}
PPCImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, uint32_t imm, TR_ExternalRelocationTargetKind relocationKind,
TR::SymbolReference *sr, TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen, uint32_t bf = 0)
: TR::Instruction(op, n, precedingInstruction, codeGen), _sourceImmediate(imm), _reloKind(relocationKind), _symbolReference(sr)
{
setNeedsAOTRelocation(true);
}
virtual Kind getKind() { return IsImm; }
uint32_t getSourceImmediate() {return _sourceImmediate;}
uint32_t setSourceImmediate(uint32_t si) {return (_sourceImmediate = si);}
void addMetaDataForCodeAddress(uint8_t *cursor);
void setReloKind(TR_ExternalRelocationTargetKind reloKind) { _reloKind = reloKind; }
TR_ExternalRelocationTargetKind getReloKind() { return _reloKind; }
TR::SymbolReference *getSymbolReference() {return _symbolReference;}
TR::SymbolReference *setSymbolReference(TR::SymbolReference *sr)
{
return (_symbolReference = sr);
}
virtual void fillBinaryEncodingFields(uint32_t *cursor);
// The following safe virtual downcast method is used under debug only
// for assertion checking
#if defined(DEBUG) || defined(PROD_WITH_ASSUMES)
virtual PPCImmInstruction *getPPCImmInstruction();
#endif
};
class PPCImm2Instruction : public PPCImmInstruction
{
uint32_t _sourceImmediate2;
public:
PPCImm2Instruction(TR::InstOpCode::Mnemonic op, TR::Node * n, uint32_t imm, uint32_t imm2, TR::CodeGenerator *codeGen)
: PPCImmInstruction(op, n, imm, codeGen), _sourceImmediate2(imm2)
{
}
PPCImm2Instruction(TR::InstOpCode::Mnemonic op, TR::Node * n, uint32_t imm, uint32_t imm2,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: PPCImmInstruction(op, n, imm, precedingInstruction, codeGen), _sourceImmediate2(imm2)
{
}
virtual Kind getKind() { return IsImm2; }
uint32_t getSourceImmediate2() {return _sourceImmediate2;}
uint32_t setSourceImmediate2(uint32_t si) {return (_sourceImmediate2 = si);}
virtual void fillBinaryEncodingFields(uint32_t *cursor);
};
class PPCSrc1Instruction : public PPCImmInstruction
{
TR::Register *_source1Register;
public:
PPCSrc1Instruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *sreg,
uint32_t imm, TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: PPCImmInstruction(op, n, imm, precedingInstruction, codeGen),
_source1Register(sreg)
{
useRegister(sreg);
}
PPCSrc1Instruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *sreg, uint32_t imm, TR::CodeGenerator *codeGen)
: PPCImmInstruction(op, n, imm, codeGen), _source1Register(sreg)
{
useRegister(sreg);
}
virtual Kind getKind() { return IsSrc1; }
TR::Register *getSource1Register() {return _source1Register;}
TR::Register *setSource1Register(TR::Register *sr) {return (_source1Register = sr);}
virtual TR::Register *getSourceRegister(uint32_t i) {if (i==0) return _source1Register; return NULL;}
virtual void fillBinaryEncodingFields(uint32_t *cursor);
virtual void assignRegisters(TR_RegisterKinds kindToBeAssigned);
virtual bool refsRegister(TR::Register *reg);
virtual bool defsRegister(TR::Register *reg);
virtual bool defsRealRegister(TR::Register *reg);
virtual bool usesRegister(TR::Register *reg);
virtual void registersGoLive(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->addVirtualRegister(getSource1Register());
}
virtual void registersGoDead(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->removeVirtualRegister(getSource1Register());
}
};
class PPCDepInstruction : public TR::Instruction
{
TR::RegisterDependencyConditions *_conditions;
public:
PPCDepInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n,
TR::RegisterDependencyConditions *cond, TR::CodeGenerator *codeGen)
: TR::Instruction(op, n, codeGen), _conditions(cond)
{
if( op != TR::InstOpCode::assocreg )
cond->bookKeepingRegisterUses(this, codeGen);
}
PPCDepInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::RegisterDependencyConditions *cond,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: TR::Instruction(op, n, precedingInstruction, codeGen), _conditions(cond)
{
if( op != TR::InstOpCode::assocreg )
cond->bookKeepingRegisterUses(this, codeGen);
}
virtual Kind getKind() { return IsDep; }
virtual TR::RegisterDependencyConditions *getDependencyConditions()
{
return _conditions;
}
TR::RegisterDependencyConditions *setDependencyConditions(TR::RegisterDependencyConditions *cond)
{
return (_conditions = cond);
}
virtual TR::Register *getTargetRegister(uint32_t i)
{
if( getOpCodeValue() == TR::InstOpCode::assocreg ) return(NULL);
return _conditions->getTargetRegister(i, cg());
}
virtual TR::Register *getSourceRegister(uint32_t i)
{
if( getOpCodeValue() == TR::InstOpCode::assocreg ) return(NULL);
return _conditions->getSourceRegister(i);
}
virtual void assignRegisters(TR_RegisterKinds kindToBeAssigned);
virtual bool refsRegister(TR::Register *reg);
virtual bool defsRegister(TR::Register *reg);
virtual bool defsRealRegister(TR::Register *reg);
virtual bool usesRegister(TR::Register *reg);
};
class PPCLabelInstruction : public TR::Instruction
{
TR::LabelSymbol *_symbol;
public:
PPCLabelInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::LabelSymbol *sym, TR::CodeGenerator *codeGen)
: TR::Instruction(op, n, codeGen), _symbol(sym)
{
if (sym!=NULL && op==TR::InstOpCode::label)
sym->setInstruction(this);
else if (sym)
sym->setDirectlyTargeted();
}
PPCLabelInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::LabelSymbol *sym,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: TR::Instruction(op, n, precedingInstruction, codeGen), _symbol(sym)
{
if (sym!=NULL && op==TR::InstOpCode::label)
sym->setInstruction(this);
else if (sym)
sym->setDirectlyTargeted();
}
virtual Kind getKind() { return IsLabel; }
virtual bool isPatchBarrier() { return getOpCodeValue() == TR::InstOpCode::label && _symbol && _symbol->isTargeted() != TR_no; }
TR::LabelSymbol *getLabelSymbol() {return _symbol;}
TR::LabelSymbol *setLabelSymbol(TR::LabelSymbol *sym)
{
_symbol = sym;
if (sym && getOpCodeValue() != TR::InstOpCode::label)
sym->setDirectlyTargeted();
return sym;
}
virtual TR::Snippet *getSnippetForGC() {return getLabelSymbol()->getSnippet();}
virtual void fillBinaryEncodingFields(uint32_t *cursor);
virtual int32_t estimateBinaryLength(int32_t currentEstimate);
virtual void assignRegisters(TR_RegisterKinds kindToBeAssigned);
};
class PPCDepLabelInstruction : public PPCLabelInstruction
{
TR::RegisterDependencyConditions *_conditions;
public:
PPCDepLabelInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::RegisterDependencyConditions *cond, TR::CodeGenerator *codeGen)
: PPCLabelInstruction(op, n, sym, codeGen), _conditions(cond)
{
cond->bookKeepingRegisterUses(this, codeGen);
}
PPCDepLabelInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::RegisterDependencyConditions *cond,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: PPCLabelInstruction(op, n, sym, precedingInstruction, codeGen),
_conditions(cond)
{
cond->bookKeepingRegisterUses(this, codeGen);
}
virtual Kind getKind() { return IsDepLabel; }
virtual TR::RegisterDependencyConditions *getDependencyConditions()
{
return _conditions;
}
TR::RegisterDependencyConditions *setDependencyConditions(TR::RegisterDependencyConditions *cond)
{
return (_conditions = cond);
}
virtual TR::Register *getTargetRegister(uint32_t i)
{
return _conditions->getTargetRegister(i, cg());
}
virtual TR::Register *getSourceRegister(uint32_t i)
{
return _conditions->getSourceRegister(i);
}
virtual void assignRegisters(TR_RegisterKinds kindToBeAssigned);
virtual bool refsRegister(TR::Register *reg);
virtual bool defsRegister(TR::Register *reg);
virtual bool defsRealRegister(TR::Register *reg);
virtual bool usesRegister(TR::Register *reg);
virtual void registersGoLive(TR::CodeGenerator::TR_RegisterPressureState *state)
{
getDependencyConditions()->registersGoLive(state);
}
virtual void registersGoDead(TR::CodeGenerator::TR_RegisterPressureState *state)
{
getDependencyConditions()->registersGoDead(state);
}
};
class PPCConditionalBranchInstruction : public PPCLabelInstruction
{
TR::Register *_conditionRegister;
int32_t _estimatedBinaryLocation;
bool _likeliness;
bool _haveHint;
bool _farRelocation;
bool _exceptBranch;
public:
PPCConditionalBranchInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::LabelSymbol *sym,
TR::Register *cr, TR::CodeGenerator *codeGen, bool likeliness)
: PPCLabelInstruction(op, n, sym, codeGen), _conditionRegister(cr),
_estimatedBinaryLocation(0), _farRelocation(false),_exceptBranch(false),
_haveHint(true), _likeliness(likeliness)
{
useRegister(cr);
}
PPCConditionalBranchInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::LabelSymbol *sym,
TR::Register *cr, TR::CodeGenerator *codeGen)
: PPCLabelInstruction(op, n, sym, codeGen), _conditionRegister(cr),
_estimatedBinaryLocation(0), _farRelocation(false),_exceptBranch(false),
_haveHint(false), _likeliness(false)
{
useRegister(cr);
}
PPCConditionalBranchInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::LabelSymbol *sym,
TR::Register *cr,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen, bool likeliness)
: PPCLabelInstruction(op, n, sym, precedingInstruction, codeGen),
_conditionRegister(cr), _estimatedBinaryLocation(0),_exceptBranch(false),
_farRelocation(false), _haveHint(true), _likeliness(likeliness)
{
useRegister(cr);
}
PPCConditionalBranchInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::LabelSymbol *sym,
TR::Register *cr,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: PPCLabelInstruction(op, n, sym, precedingInstruction, codeGen),
_conditionRegister(cr), _estimatedBinaryLocation(0),_exceptBranch(false),
_farRelocation(false), _haveHint(false), _likeliness(false)
{
useRegister(cr);
}
virtual Kind getKind() { return IsConditionalBranch; }
void expandIntoFarBranch();
TR::Register *getConditionRegister() {return _conditionRegister;}
TR::Register *setConditionRegister(TR::Register *cr) {return (_conditionRegister = cr);}
virtual TR::Register *getSourceRegister(uint32_t i) {if (i==0) return _conditionRegister; return NULL;}
int32_t getEstimatedBinaryLocation() {return _estimatedBinaryLocation;}
int32_t setEstimatedBinaryLocation(int32_t l) {return (_estimatedBinaryLocation = l);}
bool getFarRelocation() {return _farRelocation;}
bool reverseLikeliness() {return (_likeliness = !_likeliness);}
bool getLikeliness() {return _likeliness;}
bool haveHint() {return _haveHint;}
bool isExceptBranchOp() { return _exceptBranch; }
bool setExceptBranchOp() { return _exceptBranch = true; }
virtual PPCConditionalBranchInstruction *getPPCConditionalBranchInstruction();
virtual void assignRegisters(TR_RegisterKinds kindToBeAssigned);
virtual bool refsRegister(TR::Register *reg);
virtual bool defsRegister(TR::Register *reg);
virtual bool defsRealRegister(TR::Register *reg);
virtual bool usesRegister(TR::Register *reg);
virtual void fillBinaryEncodingFields(uint32_t *cursor);
virtual int32_t estimateBinaryLength(int32_t currentEstimate);
};
class PPCDepConditionalBranchInstruction : public PPCConditionalBranchInstruction
{
TR::RegisterDependencyConditions *_conditions;
public:
PPCDepConditionalBranchInstruction(
TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::Register *cr,
TR::RegisterDependencyConditions *cond, TR::CodeGenerator *codeGen, bool likeliness)
: PPCConditionalBranchInstruction(op, n, sym, cr, codeGen, likeliness), _conditions(cond)
{
cond->bookKeepingRegisterUses(this, codeGen);
}
PPCDepConditionalBranchInstruction(
TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::Register *cr,
TR::RegisterDependencyConditions *cond, TR::CodeGenerator *codeGen)
: PPCConditionalBranchInstruction(op, n, sym, cr, codeGen), _conditions(cond)
{
cond->bookKeepingRegisterUses(this, codeGen);
}
PPCDepConditionalBranchInstruction(
TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::Register *cr,
TR::RegisterDependencyConditions *cond,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen, bool likeliness)
: PPCConditionalBranchInstruction(op, n, sym, cr, precedingInstruction, codeGen, likeliness),
_conditions(cond)
{
cond->bookKeepingRegisterUses(this, codeGen);
}
PPCDepConditionalBranchInstruction(
TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::Register *cr,
TR::RegisterDependencyConditions *cond,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: PPCConditionalBranchInstruction(op, n, sym, cr, precedingInstruction, codeGen),
_conditions(cond)
{
cond->bookKeepingRegisterUses(this, codeGen);
}
virtual Kind getKind() { return IsDepConditionalBranch; }
virtual TR::RegisterDependencyConditions *getDependencyConditions()
{
return _conditions;
}
TR::RegisterDependencyConditions *setDependencyConditions(TR::RegisterDependencyConditions *cond)
{
return (_conditions = cond);
}
virtual TR::Register *getTargetRegister(uint32_t i)
{
return _conditions->getTargetRegister(i, cg());
}
virtual TR::Register *getSourceRegister(uint32_t i)
{
if (i==0) return(getConditionRegister());
return _conditions->getSourceRegister(i-1);
}
virtual void assignRegisters(TR_RegisterKinds kindToBeAssigned);
virtual bool refsRegister(TR::Register *reg);
virtual bool defsRegister(TR::Register *reg);
virtual bool defsRealRegister(TR::Register *reg);
virtual bool usesRegister(TR::Register *reg);
};
class PPCAdminInstruction : public TR::Instruction
{
TR::Node *_fenceNode;
public:
PPCAdminInstruction(TR::InstOpCode::Mnemonic op, TR::Node *n, TR::Node * fenceNode, TR::CodeGenerator *codeGen) :
TR::Instruction(op, n, codeGen), _fenceNode(fenceNode) {}
PPCAdminInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Node *fenceNode,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen) :
TR::Instruction(op, n, precedingInstruction, codeGen), _fenceNode(fenceNode) {}
virtual Kind getKind() { return IsAdmin; }
virtual TR::Instruction *expandInstruction();
virtual int32_t estimateBinaryLength(int32_t currentEstimate);
bool isDebugFence() {return (_fenceNode!=NULL && _fenceNode->getOpCodeValue() == TR::dbgFence); }
TR::Node * getFenceNode() { return _fenceNode; }
virtual void fillBinaryEncodingFields(uint32_t *cursor);
};
class PPCDepImmSymInstruction : public PPCDepInstruction
{
uintptr_t _addrImmediate;
TR::SymbolReference *_symbolReference;
TR::Snippet *_snippet;
public:
PPCDepImmSymInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
uintptr_t imm,
TR::RegisterDependencyConditions *cond,
TR::SymbolReference *sr,
TR::Snippet *s, TR::CodeGenerator *codeGen)
: PPCDepInstruction(op, n, cond, codeGen), _addrImmediate(imm), _symbolReference(sr),
_snippet(s) {}
PPCDepImmSymInstruction(
TR::InstOpCode::Mnemonic op,
TR::Node *n,
uintptr_t imm,
TR::RegisterDependencyConditions *cond,
TR::SymbolReference *sr,
TR::Snippet *s,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: PPCDepInstruction(op, n, cond, precedingInstruction, codeGen),
_addrImmediate(imm), _symbolReference(sr), _snippet(s) {}
virtual Kind getKind() { return IsDepImmSym; }
uintptr_t getAddrImmediate() {return _addrImmediate;}
TR::SymbolReference *getSymbolReference() {return _symbolReference;}
TR::SymbolReference *setSymbolReference(TR::SymbolReference *sr)
{
return (_symbolReference = sr);
}
TR::Snippet *getCallSnippet() { return _snippet;}
TR::Snippet *setCallSnippet(TR::Snippet *s) {return (_snippet = s);}
virtual TR::Snippet *getSnippetForGC() {return _snippet;}
virtual uint8_t *generateBinaryEncoding();
virtual int32_t estimateBinaryLength(int32_t currentEstimate);
};
class PPCTrg1Instruction : public TR::Instruction
{
TR::Register *_target1Register;
public:
PPCTrg1Instruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *reg, TR::CodeGenerator *codeGen)
: TR::Instruction(op, n, codeGen), _target1Register(reg)
{
useRegister(reg);
}
PPCTrg1Instruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *reg,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: TR::Instruction(op, n, precedingInstruction, codeGen), _target1Register(reg)
{
useRegister(reg);
}
virtual Kind getKind() { return IsTrg1; }
TR::Register *getTrg1Register() {return _target1Register;}
TR::Register *getTargetRegister() {return _target1Register;}
TR::Register *setTargetRegister(TR::Register *r) {return (_target1Register = r);}
TR::Register *getPrimaryTargetRegister() {return _target1Register;}
virtual TR::Register *getTargetRegister(uint32_t i) {if (i==0) return _target1Register; return NULL;}
virtual void fillBinaryEncodingFields(uint32_t *cursor);
virtual void assignRegisters(TR_RegisterKinds kindToBeAssigned);
void assignRegisters(TR_RegisterKinds kindToBeAssigned, bool excludeGPR0);
virtual bool refsRegister(TR::Register *reg);
virtual bool defsRegister(TR::Register *reg);
virtual bool defsRealRegister(TR::Register *reg);
virtual bool usesRegister(TR::Register *reg);
virtual void registersGoLive(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->addVirtualRegister(getTargetRegister());
}
virtual void registersGoDead(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->removeVirtualRegister(getTargetRegister());
}
};
class PPCTrg1ImmInstruction : public PPCTrg1Instruction
{
uint32_t _sourceImmediate;
public:
PPCTrg1ImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *treg,
uint32_t imm, TR::CodeGenerator *codeGen)
: PPCTrg1Instruction(op, n, treg, codeGen), _sourceImmediate(imm) {};
PPCTrg1ImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *treg,
uint32_t imm,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: PPCTrg1Instruction(op, n, treg, precedingInstruction, codeGen), _sourceImmediate(imm) {};
virtual Kind getKind() { return IsTrg1Imm; }
uint32_t getSourceImmediate() {return _sourceImmediate;}
uint32_t setSourceImmediate(uint32_t si) {return (_sourceImmediate = si);}
virtual void fillBinaryEncodingFields(uint32_t *cursor);
void addMetaDataForCodeAddress(uint8_t *cursor);
virtual void registersGoLive(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->addVirtualRegister(getTargetRegister());
}
virtual void registersGoDead(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->removeVirtualRegister(getTargetRegister());
}
};
class PPCSrc2Instruction : public TR::Instruction
{
TR::Register *_source1Register;
TR::Register *_source2Register;
public:
PPCSrc2Instruction(TR::InstOpCode::Mnemonic op, TR::Node *n, TR::Register *s1reg,
TR::Register *s2reg, TR::CodeGenerator *codeGen);
PPCSrc2Instruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *s1reg,
TR::Register *s2reg,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen);
virtual Kind getKind() { return IsSrc2; }
TR::Register *getSource1Register() {return _source1Register;}
TR::Register *setSource1Register(TR::Register *sr) {return (_source1Register = sr);}
TR::Register *getSource2Register() {return _source2Register;}
TR::Register *setSource2Register(TR::Register *sr) {return (_source2Register = sr);}
virtual TR::Register *getSourceRegister(uint32_t i) {if (i==0) return _source1Register;
else if (i==1) return _source2Register; return NULL;}
virtual void fillBinaryEncodingFields(uint32_t *cursor);
virtual void assignRegisters(TR_RegisterKinds kindToBeAssigned);
virtual bool refsRegister(TR::Register *reg);
virtual bool defsRegister(TR::Register *reg);
virtual bool defsRealRegister(TR::Register *reg);
virtual bool usesRegister(TR::Register *reg);
virtual void registersGoLive(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->addVirtualRegister(getSource1Register());
state->addVirtualRegister(getSource2Register());
}
virtual void registersGoDead(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->removeVirtualRegister(getSource1Register());
state->removeVirtualRegister(getSource2Register());
}
};
class PPCSrc3Instruction : public PPCSrc2Instruction
{
TR::Register *_source3Register;
public:
PPCSrc3Instruction(TR::InstOpCode::Mnemonic op, TR::Node *n, TR::Register *s1reg,
TR::Register *s2reg, TR::Register *s3reg, TR::CodeGenerator *cg)
: TR::PPCSrc2Instruction(op, n, s1reg, s2reg, cg), _source3Register(s3reg)
{
useRegister(s3reg);
}
PPCSrc3Instruction(TR::InstOpCode::Mnemonic op, TR::Node *n, TR::Register *s1reg,
TR::Register *s2reg, TR::Register *s3reg,
TR::Instruction *precedingInstruction, TR::CodeGenerator *cg)
: TR::PPCSrc2Instruction(op, n, s1reg, s2reg, precedingInstruction, cg), _source3Register(s3reg)
{
useRegister(s3reg);
}
virtual Kind getKind() { return IsSrc3; }
TR::Register *getSource3Register() { return _source3Register; }
TR::Register *setSource3Register(TR::Register *sr) { return (_source3Register = sr); }
virtual TR::Register *getSourceRegister(uint32_t i)
{
return i == 2 ? _source3Register : PPCSrc2Instruction::getSourceRegister(i);
}
virtual void fillBinaryEncodingFields(uint32_t *cursor);
virtual void assignRegisters(TR_RegisterKinds kindToBeAssigned);
virtual bool refsRegister(TR::Register *reg)
{
return reg == _source3Register || TR::PPCSrc2Instruction::refsRegister(reg);
}
virtual bool usesRegister(TR::Register *reg)
{
return reg == _source3Register || TR::PPCSrc2Instruction::usesRegister(reg);
}
virtual void registersGoLive(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->addVirtualRegister(getSource1Register());
state->addVirtualRegister(getSource2Register());
state->addVirtualRegister(getSource3Register());
}
virtual void registersGoDead(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->removeVirtualRegister(getSource1Register());
state->removeVirtualRegister(getSource2Register());
state->removeVirtualRegister(getSource3Register());
}
};
class PPCTrg1Src1Instruction : public PPCTrg1Instruction
{
TR::Register *_source1Register;
public:
PPCTrg1Src1Instruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *treg,
TR::Register *sreg, TR::CodeGenerator *codeGen);
PPCTrg1Src1Instruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *treg,
TR::Register *sreg,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen);
virtual Kind getKind() { return IsTrg1Src1; }
TR::Register *getSource1Register() {return _source1Register;}
TR::Register *setSource1Register(TR::Register *sr) {return (_source1Register = sr);}
virtual TR::Register *getSourceRegister(uint32_t i) {if (i==0) return _source1Register; return NULL;}
virtual void fillBinaryEncodingFields(uint32_t *cursor);
virtual void assignRegisters(TR_RegisterKinds kindToBeAssigned);
virtual bool refsRegister(TR::Register *reg);
virtual bool defsRegister(TR::Register *reg);
virtual bool defsRealRegister(TR::Register *reg);
virtual bool usesRegister(TR::Register *reg);
virtual void registersGoLive(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->addVirtualRegister(getTargetRegister());
state->addVirtualRegister(getSource1Register());
}
virtual void registersGoDead(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->removeVirtualRegister(getTargetRegister());
state->removeVirtualRegister(getSource1Register());
}
};
class PPCTrg1Src1ImmInstruction : public PPCTrg1Src1Instruction
{
uintptr_t _source1Immediate;
public:
PPCTrg1Src1ImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *treg,
TR::Register *sreg, uintptr_t imm, TR::CodeGenerator *codeGen)
: PPCTrg1Src1Instruction(op, n, treg, sreg, codeGen),
_source1Immediate(imm) {};
PPCTrg1Src1ImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *treg,
TR::Register *sreg, uintptr_t imm,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: PPCTrg1Src1Instruction(op, n, treg, sreg, precedingInstruction, codeGen),
_source1Immediate(imm) {};
PPCTrg1Src1ImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *treg,
TR::Register *sreg, TR::Register *cr0reg, uintptr_t imm, TR::CodeGenerator *codeGen)
: PPCTrg1Src1Instruction(op, n, treg, sreg, codeGen),
_source1Immediate(imm)
{
TR::RegisterDependencyConditions *cond = new (codeGen->trHeapMemory()) TR::RegisterDependencyConditions( 0, 1, codeGen->trMemory() );
cond->addPostCondition(cr0reg, TR::RealRegister::cr0, DefinesDependentRegister );
setDependencyConditions( cond );
cond->bookKeepingRegisterUses(this, codeGen);
}
PPCTrg1Src1ImmInstruction(TR::InstOpCode::Mnemonic op, TR::Node * n, TR::Register *treg,
TR::Register *sreg, TR::Register *cr0reg, uintptr_t imm,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: PPCTrg1Src1Instruction(op, n, treg, sreg, precedingInstruction, codeGen),
_source1Immediate(imm)
{
TR::RegisterDependencyConditions *cond = new (codeGen->trHeapMemory()) TR::RegisterDependencyConditions( 0, 1, codeGen->trMemory() );
cond->addPostCondition(cr0reg, TR::RealRegister::cr0, DefinesDependentRegister );
setDependencyConditions( cond );
cond->bookKeepingRegisterUses(this, codeGen);
}
virtual Kind getKind() { return IsTrg1Src1Imm; }
uint32_t getSourceImmediate() {return (uint32_t)_source1Immediate;}
uint32_t setSourceImmediate(uint32_t si) {return (_source1Immediate = si);}
uintptr_t getSourceImmPtr() {return _source1Immediate;}
void addMetaDataForCodeAddress(uint8_t *cursor);
virtual void fillBinaryEncodingFields(uint32_t *cursor);
virtual void registersGoLive(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->addVirtualRegister(getTargetRegister());
state->addVirtualRegister(getSource1Register());
}
virtual void registersGoDead(TR::CodeGenerator::TR_RegisterPressureState *state)
{
state->removeVirtualRegister(getTargetRegister());
state->removeVirtualRegister(getSource1Register());
}
};
class PPCTrg1Src1Imm2Instruction : public PPCTrg1Src1ImmInstruction
{
int64_t _mask;
public:
PPCTrg1Src1Imm2Instruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Register *treg,
TR::Register *sreg,
uint32_t imm,
uint64_t m,
TR::Instruction *precedingInstruction, TR::CodeGenerator *codeGen)
: PPCTrg1Src1ImmInstruction(op, n, treg, sreg, imm, precedingInstruction, codeGen),
_mask(m) {}
PPCTrg1Src1Imm2Instruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Register *treg,
TR::Register *sreg,
uint32_t imm,
uint64_t m, TR::CodeGenerator *codeGen)
: PPCTrg1Src1ImmInstruction(op, n, treg, sreg, imm, codeGen),
_mask(m) {}
PPCTrg1Src1Imm2Instruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Register *treg,
TR::Register *sreg,
TR::Register *cr0reg,
uint32_t imm,
uint64_t m, TR::CodeGenerator *codeGen)