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S390Instruction.hpp
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S390Instruction.hpp
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/*******************************************************************************
* Copyright (c) 2000, 2021 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 S390INSTRUCTION_INCL
#define S390INSTRUCTION_INCL
#include <stdint.h>
#include <string.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/RegisterPair.hpp"
#include "codegen/Snippet.hpp"
#include "codegen/UnresolvedDataSnippet.hpp"
#include "compile/Compilation.hpp"
#include "control/Options.hpp"
#include "control/Options_inlines.hpp"
#include "env/TRMemory.hpp"
#include "env/jittypes.h"
#include "il/LabelSymbol.hpp"
#include "infra/Assert.hpp"
#include "infra/Flags.hpp"
#include "ras/Debug.hpp"
#include "codegen/RegisterDependency.hpp"
class TR_AsmData;
class TR_VirtualGuardSite;
namespace TR { class Node; }
namespace TR { class RegisterDependencyConditions; }
namespace TR { class Symbol; }
namespace TR { class SymbolReference; }
////////////////////////////////////////////////////////////////////////////////
// TR::S390Instruction Class Definition
////////////////////////////////////////////////////////////////////////////////
/**
* Pseudo-safe downcast function.
*/
inline uint32_t *toS390Cursor(uint8_t *i)
{
return (uint32_t *)i;
}
namespace TR {
////////////////////////////////////////////////////////////////////////////////
// TR::S390LabeledInstruction Class Definition
////////////////////////////////////////////////////////////////////////////////
class S390LabeledInstruction : public TR::Instruction
{
TR::LabelSymbol *_symbol;
TR::Snippet *_snippet;
public:
S390LabeledInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cg), _symbol(sym), _snippet(NULL)
{
if ( !cg->comp()->getOption(TR_EnableEBBCCInfo) )
clearCCInfo();
else if (isLabel() || isCall()) //otherwise clearCCInfo for real Label instruction or call only
clearCCInfo();
}
S390LabeledInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::RegisterDependencyConditions * cond,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, cg), _symbol(sym), _snippet(NULL)
{
if ( !cg->comp()->getOption(TR_EnableEBBCCInfo) )
clearCCInfo();
else if (isLabel() || isCall()) //otherwise clearCCInfo for real Label instruction or call only
clearCCInfo();
}
S390LabeledInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, precedingInstruction, cg), _symbol(sym), _snippet(NULL)
{
if ( !cg->comp()->getOption(TR_EnableEBBCCInfo) )
clearCCInfo();
else if (isLabel() || isCall()) //otherwise clearCCInfo for real Label instruction or call only
clearCCInfo();
}
S390LabeledInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::RegisterDependencyConditions * cond,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, precedingInstruction, cg), _symbol(sym), _snippet(NULL)
{
if ( !cg->comp()->getOption(TR_EnableEBBCCInfo) )
clearCCInfo();
else if (isLabel() || isCall()) //otherwise clearCCInfo for real Label instruction or call only
clearCCInfo();
}
S390LabeledInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Snippet *s,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cg), _symbol(NULL), _snippet(s)
{
if ( !cg->comp()->getOption(TR_EnableEBBCCInfo) )
clearCCInfo();
else if (isLabel() || isCall()) //otherwise clearCCInfo for real Label instruction or call only
clearCCInfo();
}
S390LabeledInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Snippet *s,
TR::RegisterDependencyConditions * cond,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, cg), _symbol(NULL), _snippet(s)
{
if ( !cg->comp()->getOption(TR_EnableEBBCCInfo) )
clearCCInfo();
else if (isLabel() || isCall()) //otherwise clearCCInfo for real Label instruction or call only
clearCCInfo();
}
S390LabeledInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Snippet *s,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, precedingInstruction, cg), _symbol(NULL), _snippet(s)
{
if ( !cg->comp()->getOption(TR_EnableEBBCCInfo) )
clearCCInfo();
else if (isLabel() || isCall()) //otherwise clearCCInfo for real Label instruction or call only
clearCCInfo();
}
S390LabeledInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Snippet *s,
TR::RegisterDependencyConditions * cond,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, precedingInstruction, cg), _symbol(NULL), _snippet(s)
{
if ( !cg->comp()->getOption(TR_EnableEBBCCInfo) )
clearCCInfo();
else if (isLabel() || isCall()) //otherwise clearCCInfo for real Label instruction or call only
clearCCInfo();
}
TR::LabelSymbol *getLabelSymbol()
{
return _symbol;
}
TR::LabelSymbol *setLabelSymbol(TR::LabelSymbol *sym) {return _symbol = sym;}
TR::Snippet *getCallSnippet() {return _snippet;}
virtual char *description() { return "S390Instruction"; }
virtual Kind getKind()=0;
virtual uint8_t *generateBinaryEncoding()=0;
virtual int32_t estimateBinaryLength(int32_t currentEstimate)=0;
virtual bool isNopCandidate(); // Check to determine whether we should NOP to align instruction.
};
////////////////////////////////////////////////////////////////////////////////
// S390BranchInstruction Class Definition
////////////////////////////////////////////////////////////////////////////////
class S390BranchInstruction : public TR::S390LabeledInstruction
{
TR::InstOpCode::S390BranchCondition _branchCondition;
public:
S390BranchInstruction(TR::InstOpCode::Mnemonic op,
TR::InstOpCode::S390BranchCondition branchCondition,
TR::Node *n,
TR::LabelSymbol *sym,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, cg),
_branchCondition(branchCondition)
{}
S390BranchInstruction(TR::InstOpCode::Mnemonic op,
TR::InstOpCode::S390BranchCondition branchCondition,
TR::Node *n,
TR::LabelSymbol *sym,
TR::RegisterDependencyConditions * cond,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, cond, cg),
_branchCondition(branchCondition)
{}
S390BranchInstruction(TR::InstOpCode::Mnemonic op,
TR::InstOpCode::S390BranchCondition branchCondition,
TR::Node *n,
TR::LabelSymbol *sym,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, precedingInstruction, cg),
_branchCondition(branchCondition)
{}
S390BranchInstruction(TR::InstOpCode::Mnemonic op,
TR::InstOpCode::S390BranchCondition branchCondition,
TR::Node *n,
TR::LabelSymbol *sym,
TR::RegisterDependencyConditions * cond,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, cond, precedingInstruction, cg),
_branchCondition(branchCondition)
{}
S390BranchInstruction(TR::InstOpCode::Mnemonic op,
TR::InstOpCode::S390BranchCondition branchCondition,
TR::Node *n,
TR::Snippet *s,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, s, cg),
_branchCondition(branchCondition)
{}
S390BranchInstruction(TR::InstOpCode::Mnemonic op,
TR::InstOpCode::S390BranchCondition branchCondition,
TR::Node *n,
TR::Snippet *s,
TR::RegisterDependencyConditions * cond,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, s, cond, cg),
_branchCondition(branchCondition)
{}
S390BranchInstruction(TR::InstOpCode::Mnemonic op,
TR::InstOpCode::S390BranchCondition branchCondition,
TR::Node *n,
TR::Snippet *s,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, s, precedingInstruction, cg),
_branchCondition(branchCondition)
{}
S390BranchInstruction(TR::InstOpCode::Mnemonic op,
TR::InstOpCode::S390BranchCondition branchCondition,
TR::Node *n,
TR::Snippet *s,
TR::RegisterDependencyConditions * cond,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, s, cond, precedingInstruction, cg),
_branchCondition(branchCondition)
{}
virtual char *description() { return "S390Branch"; }
virtual Kind getKind() { return IsBranch; }
virtual TR::Snippet *getSnippetForGC()
{
if (getLabelSymbol() != NULL)
return getLabelSymbol()->getSnippet();
return NULL;
}
virtual uint8_t *generateBinaryEncoding();
virtual int32_t estimateBinaryLength(int32_t currentEstimate);
void assignRegistersAndDependencies(TR_RegisterKinds kindToBeAssigned);
TR::InstOpCode::S390BranchCondition getBranchCondition() {return _branchCondition;}
TR::InstOpCode::S390BranchCondition setBranchCondition(TR::InstOpCode::S390BranchCondition branchCondition) {return _branchCondition = branchCondition;}
uint8_t getMask() {return getMaskForBranchCondition(getBranchCondition()) << 4;}
};
////////////////////////////////////////////////////////////////////////////////
// For virtual guard nop instruction
////////////////////////////////////////////////////////////////////////////////
#ifdef J9_PROJECT_SPECIFIC
class S390VirtualGuardNOPInstruction : public TR::S390BranchInstruction
{
private:
TR_VirtualGuardSite *_site;
public:
S390VirtualGuardNOPInstruction(TR::Node *node,
TR_VirtualGuardSite *site,
TR::RegisterDependencyConditions *cond,
TR::LabelSymbol *label,
TR::CodeGenerator *cg)
: S390BranchInstruction(TR::InstOpCode::BRC, TR::InstOpCode::COND_VGNOP, node, label, cond, cg), _site(site) {}
S390VirtualGuardNOPInstruction(TR::Node *node,
TR_VirtualGuardSite *site,
TR::RegisterDependencyConditions *cond,
TR::LabelSymbol *label,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390BranchInstruction(TR::InstOpCode::BRC, TR::InstOpCode::COND_VGNOP, node, label, cond, precedingInstruction, cg), _site(site) {}
virtual char *description() { return "S390VirtualGuardNOP"; }
virtual Kind getKind() { return IsVirtualGuardNOP; }
void setSite(TR_VirtualGuardSite *site) { _site = site; }
TR_VirtualGuardSite * getSite() { return _site; }
virtual uint8_t *generateBinaryEncoding();
virtual bool isVirtualGuardNOPInstruction() {return true;}
};
#endif
////////////////////////////////////////////////////////////////////////////////
// S390BranchOnCountInstruction Class Definition
////////////////////////////////////////////////////////////////////////////////
class S390BranchOnCountInstruction : public TR::S390LabeledInstruction
{
#define br_targidx 0
public:
S390BranchOnCountInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Register *targetReg,
TR::LabelSymbol *sym,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, cg)
{useTargetRegister(targetReg);}
S390BranchOnCountInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Register *targetReg,
TR::RegisterDependencyConditions * cond,
TR::LabelSymbol *sym,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, cond, cg)
{useTargetRegister(targetReg); }
S390BranchOnCountInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Register *targetReg,
TR::LabelSymbol *sym,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, precedingInstruction, cg)
{useTargetRegister(targetReg); }
S390BranchOnCountInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Register *targetReg,
TR::RegisterDependencyConditions * cond,
TR::LabelSymbol *sym,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, precedingInstruction, cg)
{useTargetRegister(targetReg);}
virtual char *description() { return "S390BranchOnCount"; }
virtual Kind getKind() { return IsBranchOnCount; }
virtual uint8_t *generateBinaryEncoding();
virtual int32_t estimateBinaryLength(int32_t currentEstimate);
virtual bool refsRegister(TR::Register *reg);
};
////////////////////////////////////////////////////////////////////////////////
// S390BranchOnCountInstruction Class Definition
////////////////////////////////////////////////////////////////////////////////
class S390BranchOnIndexInstruction : public TR::S390LabeledInstruction
{
#define br_srcidx 0
#define br_targidx 0
public:
S390BranchOnIndexInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Register *sourceReg,
TR::Register *targetReg,
TR::LabelSymbol *sym,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, cg)
{useTargetRegister(targetReg); useSourceRegister(sourceReg); }
S390BranchOnIndexInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Register *sourceReg,
TR::Register *targetReg,
TR::LabelSymbol *sym,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, precedingInstruction, cg)
{useTargetRegister(targetReg); useSourceRegister(sourceReg); }
S390BranchOnIndexInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::RegisterPair *sourceReg,
TR::Register *targetReg,
TR::LabelSymbol *sym,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, cg)
{useTargetRegister(targetReg); useSourceRegister(sourceReg);}
S390BranchOnIndexInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::RegisterPair *sourceReg,
TR::Register *targetReg,
TR::LabelSymbol *sym,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, precedingInstruction, cg)
{useTargetRegister(targetReg); useSourceRegister(sourceReg);}
virtual char *description() { return "S390BranchOnIndex"; }
virtual Kind getKind() { return IsBranchOnIndex; }
virtual uint8_t *generateBinaryEncoding();
virtual int32_t estimateBinaryLength(int32_t currentEstimate);
virtual bool refsRegister(TR::Register *reg);
};
////////////////////////////////////////////////////////////////////////////////
// S390LabelInstruction Class Definition
////////////////////////////////////////////////////////////////////////////////
class S390LabelInstruction : public TR::S390LabeledInstruction
{
public:
S390LabelInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, cg), _alignment(0)
{
if (op==TR::InstOpCode::LABEL)
sym->setInstruction(this);
}
S390LabelInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::RegisterDependencyConditions * cond,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, cond, cg), _alignment(0)
{
if (op==TR::InstOpCode::LABEL)
sym->setInstruction(this);
}
S390LabelInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, precedingInstruction, cg), _alignment(0)
{
if (op==TR::InstOpCode::LABEL)
sym->setInstruction(this);
}
S390LabelInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::LabelSymbol *sym,
TR::RegisterDependencyConditions * cond,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, sym, cond, precedingInstruction, cg), _alignment(0)
{
if (op==TR::InstOpCode::LABEL)
sym->setInstruction(this);
}
S390LabelInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Snippet *s,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, s, cg), _alignment(0)
{}
S390LabelInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Snippet *s,
TR::RegisterDependencyConditions * cond,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, s, cond, cg), _alignment(0)
{}
S390LabelInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Snippet *s,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, s, precedingInstruction, cg), _alignment(0)
{}
S390LabelInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Snippet *s,
TR::RegisterDependencyConditions * cond,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390LabeledInstruction(op, n, s, cond, precedingInstruction, cg), _alignment(0)
{}
virtual char *description() { return "S390LabelInstruction"; }
virtual Kind getKind() { return IsLabel; }
virtual uint8_t *generateBinaryEncoding();
virtual int32_t estimateBinaryLength(int32_t currentEstimate);
void assignRegistersAndDependencies(TR_RegisterKinds kindToBeAssigned);
uint16_t getAlignment() {return _alignment;}
uint16_t setAlignment(uint16_t alignment) {return _alignment = alignment;}
protected:
uint16_t _alignment;
};
////////////////////////////////////////////////////////////////////////////////
// S390PseudoInstruction Class Definition
////////////////////////////////////////////////////////////////////////////////
class S390PseudoInstruction : public TR::Instruction
{
TR::Node *_fenceNode;
uint64_t _callDescValue; ///< Call Descriptor for XPLINK on zOS 31 JNI Calls.
uint8_t _padbytes;
TR::LabelSymbol *_callDescLabel;
bool _shouldBeginNewLine;
public:
S390PseudoInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Node * fenceNode,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cg),
_fenceNode(fenceNode),
_callDescValue(0),
_padbytes(0),
_callDescLabel(NULL),
_shouldBeginNewLine(false){}
S390PseudoInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Node * fenceNode,
TR::RegisterDependencyConditions * cond,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, cg),
_fenceNode(fenceNode),
_callDescValue(0),
_padbytes(0),
_callDescLabel(NULL),
_shouldBeginNewLine(false){}
S390PseudoInstruction(TR::InstOpCode::Mnemonic op,
TR::Node * n,
TR::Node *fenceNode,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, precedingInstruction, cg),
_fenceNode(fenceNode),
_callDescValue(0),
_padbytes(0),
_callDescLabel(NULL),
_shouldBeginNewLine(false){}
S390PseudoInstruction(TR::InstOpCode::Mnemonic op,
TR::Node * n,
TR::Node *fenceNode,
TR::RegisterDependencyConditions * cond,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, precedingInstruction, cg),
_fenceNode(fenceNode),
_callDescValue(0),
_padbytes(0),
_callDescLabel(NULL),
_shouldBeginNewLine(false){}
virtual char *description() { return "S390PseudoInstruction"; }
virtual Kind getKind() { return IsPseudo; }
TR::Node * getFenceNode() { return _fenceNode; }
// TR::Register *getTargetRegister() { return (_targetRegSize!=0) ? (targetRegBase())[0] : NULL;}
void setShouldBeginNewLine(bool sbnl) { _shouldBeginNewLine = sbnl; }
bool shouldBeginNewLine() { return _shouldBeginNewLine; }
virtual uint8_t *generateBinaryEncoding();
uint64_t setCallDescValue(uint64_t cdv, TR_Memory * m)
{
if (!_callDescLabel)
{
_callDescLabel = TR::LabelSymbol::create(m->trHeapMemory());
}
return _callDescValue = cdv;
}
uint64_t getCallDescValue() { return _callDescValue; }
TR::LabelSymbol * setCallDescLabel(TR::LabelSymbol * ls) { return _callDescLabel = ls; }
TR::LabelSymbol * getCallDescLabel() { return _callDescLabel; }
uint8_t getNumPadBytes() { return _padbytes; }
virtual int32_t estimateBinaryLength(int32_t currentEstimate);
};
/**
* Extends from S390PseudoInstruction to exploit the property of register assignment ignoring
* these types or treating them specially
*/
class S390DebugCounterBumpInstruction : public S390PseudoInstruction
{
private:
/** Contains address information necessary for LGRL during binary encoding */
TR::Snippet * _counterSnippet;
/** A free real register for DCB to use during binary encoding */
TR::RealRegister * _assignableReg;
/** Specifies amount to increment the counter */
int32_t _delta;
public:
S390DebugCounterBumpInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Snippet* counterSnip,
TR::CodeGenerator *cg,
int32_t delta)
: S390PseudoInstruction(op, n, NULL, cg),
_counterSnippet(counterSnip),
_assignableReg(NULL),
_delta(delta){}
S390DebugCounterBumpInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
TR::Snippet* counterSnip,
TR::CodeGenerator *cg,
int32_t delta,
TR::Instruction *precedingInstruction)
: S390PseudoInstruction(op, n, NULL, precedingInstruction, cg),
_counterSnippet(counterSnip),
_assignableReg(NULL),
_delta(delta){}
/**
* A real register must only be assigned for DCB to use if it is guaranteed to be free at the cursor position where DCB is inserted
* @param ar Real Register to be assigned
*/
void setAssignableReg(TR::RealRegister * ar){ _assignableReg = ar; }
/**
* @return Assigned Real Register
*/
TR::RealRegister * getAssignableReg(){ return _assignableReg; }
/**
* @return The snippet that holds the debugCounter's counter address in persistent memory
*/
TR::Snippet * getCounterSnippet(){ return _counterSnippet; }
/**
* @return The integer amount to increment the counter
*/
int32_t getDelta(){ return _delta; }
virtual uint8_t *generateBinaryEncoding();
};
////////////////////////////////////////////////////////////////////////////////
// S390AnnotationInstruction Class Definition
////////////////////////////////////////////////////////////////////////////////
class S390AnnotationInstruction : public TR::Instruction
{
public:
S390AnnotationInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
int16_t regionNum,
int32_t statementNum,
int32_t flags,
bool printNumber,
char * annotation,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cg),
_annotation(annotation),
_flags(flags),
_shouldPrintNumber(printNumber)
{
setRegionNumber(regionNum);
}
S390AnnotationInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
int16_t regionNum,
int32_t statementNum,
int32_t flags,
bool printNumber,
char * annotation,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, precedingInstruction, cg),
_annotation(annotation),
_flags(flags),
_shouldPrintNumber(printNumber)
{
setRegionNumber(regionNum);
}
S390AnnotationInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
int16_t regionNum,
int32_t statementNum,
int32_t flags,
bool printNumber,
char * annotation,
TR::RegisterDependencyConditions *cond,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, cg),
_annotation(annotation),
_flags(flags),
_shouldPrintNumber(printNumber)
{
setRegionNumber(regionNum);
}
S390AnnotationInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
int16_t regionNum,
int32_t statementNum,
int32_t flags,
bool printNumber,
char * annotation,
TR::RegisterDependencyConditions *cond,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, precedingInstruction, cg),
_annotation(annotation),
_flags(flags),
_shouldPrintNumber(printNumber)
{
setRegionNumber(regionNum);
}
virtual char *description() { return "S390AnnotInstruction"; }
virtual Kind getKind() { return IsAnnot; }
char *getAnnotation() { return _annotation; }
int32_t getFlags() { return _flags; }
bool shouldPrintNumber() { return _shouldPrintNumber; }
private:
char *_annotation;
int32_t _flags;
bool _shouldPrintNumber;
};
////////////////////////////////////////////////////////////////////////////////
// S390ImmInstruction Class Definition
////////////////////////////////////////////////////////////////////////////////
class S390ImmInstruction : public TR::Instruction
{
uint32_t _sourceImmediate;
public:
S390ImmInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
uint32_t imm,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cg), _sourceImmediate(imm)
{}
S390ImmInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
uint32_t imm,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, precedingInstruction, cg), _sourceImmediate(imm)
{}
S390ImmInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
uint32_t imm,
TR::RegisterDependencyConditions *cond,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, cg), _sourceImmediate(imm)
{}
S390ImmInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
uint32_t imm,
TR::RegisterDependencyConditions *cond,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, precedingInstruction, cg), _sourceImmediate(imm)
{}
virtual char *description() { return "S390ImmInstruction"; }
virtual Kind getKind() { return IsImm; }
uint32_t getSourceImmediate() {return _sourceImmediate;}
uint32_t setSourceImmediate(uint32_t si) {return _sourceImmediate = si;}
virtual uint8_t *generateBinaryEncoding();
// The following safe virtual downcast method is used under debug only
// for assertion checking
#if defined(DEBUG) || defined(PROD_WITH_ASSUMES)
virtual S390ImmInstruction *getS390ImmInstruction();
#endif
};
////////////////////////////////////////////////////////////////////////////////
// S390Imm2Instruction (2-byte) Class Definition
////////////////////////////////////////////////////////////////////////////////
class S390Imm2Instruction : public TR::Instruction
{
uint16_t _sourceImmediate;
public:
S390Imm2Instruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
uint16_t imm,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cg), _sourceImmediate(imm)
{ setEstimatedBinaryLength(2); }
S390Imm2Instruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
uint16_t imm,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, precedingInstruction, cg), _sourceImmediate(imm)
{ setEstimatedBinaryLength(2); }
S390Imm2Instruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
uint16_t imm,
TR::RegisterDependencyConditions *cond,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, cg), _sourceImmediate(imm)
{ setEstimatedBinaryLength(2); }
S390Imm2Instruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
uint16_t imm,
TR::RegisterDependencyConditions *cond,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: TR::Instruction(op, n, cond, precedingInstruction, cg), _sourceImmediate(imm)
{ setEstimatedBinaryLength(2); }
virtual char *description() { return "S390Imm2Instruction"; }
virtual Kind getKind() { return IsImm2Byte; }
uint16_t getSourceImmediate() {return _sourceImmediate;}
uint16_t setSourceImmediate(uint16_t si) {return _sourceImmediate = si;}
virtual uint8_t *generateBinaryEncoding();
};
////////////////////////////////////////////////////////////////////////////////
// S390ImmSnippetInstruction Class Definition
////////////////////////////////////////////////////////////////////////////////
class S390ImmSnippetInstruction : public TR::S390ImmInstruction
{
TR::UnresolvedDataSnippet *_unresolvedSnippet;
TR::Snippet *_snippet;
public:
S390ImmSnippetInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *n,
uint32_t imm,
TR::UnresolvedDataSnippet *us,
TR::Snippet *s,
TR::CodeGenerator *cg)
: S390ImmInstruction(op, n,imm, cg), _unresolvedSnippet(us),
_snippet(s) {}
S390ImmSnippetInstruction(
TR::InstOpCode::Mnemonic op,
TR::Node *n,
uint32_t imm,
TR::UnresolvedDataSnippet *us,
TR::Snippet *s,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390ImmInstruction(op, n, imm, precedingInstruction, cg),
_unresolvedSnippet(us), _snippet(s) {}
virtual char *description() { return "S390ImmSnippetInstruction"; }
virtual Kind getKind() { return IsImmSnippet; }
TR::UnresolvedDataSnippet *getUnresolvedSnippet() {return _unresolvedSnippet;}
TR::UnresolvedDataSnippet *setUnresolvedSnippet(TR::UnresolvedDataSnippet *us)
{
return _unresolvedSnippet = us;
}
virtual uint8_t *generateBinaryEncoding();
};
////////////////////////////////////////////////////////////////////////////////
// S390ImmSymInstruction Class Definition
////////////////////////////////////////////////////////////////////////////////
class S390ImmSymInstruction : public TR::S390ImmInstruction
{
TR::SymbolReference *_symbolReference;
public:
S390ImmSymInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *node,
uint32_t imm,
TR::SymbolReference *sr,
TR::CodeGenerator *cg)
: S390ImmInstruction(op, node, imm, cg), _symbolReference(sr)
{}
S390ImmSymInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *node,
uint32_t imm,
TR::SymbolReference *sr,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390ImmInstruction(op, node, imm, precedingInstruction, cg), _symbolReference(sr)
{}
S390ImmSymInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *node,
uint32_t imm,
TR::SymbolReference *sr,
TR::RegisterDependencyConditions *cond,
TR::CodeGenerator *cg)
: S390ImmInstruction(op, node, imm, cond, cg), _symbolReference(sr)
{}
S390ImmSymInstruction(TR::InstOpCode::Mnemonic op,
TR::Node *node,
uint32_t imm,
TR::SymbolReference *sr,
TR::RegisterDependencyConditions *cond,
TR::Instruction *precedingInstruction,
TR::CodeGenerator *cg)
: S390ImmInstruction(op, node, imm, cond, precedingInstruction, cg), _symbolReference(sr)
{}
virtual char *description() { return "S390ImmSymInstruction"; }
virtual Kind getKind() { return IsImmSym; }
TR::SymbolReference *getSymbolReference() {return _symbolReference;}
TR::SymbolReference *setSymbolReference(TR::SymbolReference *sr)
{
return _symbolReference = sr;
}
virtual uint8_t *generateBinaryEncoding();
};