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OMRILOps.hpp
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OMRILOps.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_ILOPS_INCL
#define OMR_ILOPS_INCL
#include <stdint.h>
#include "il/DataTypes.hpp"
#include "il/ILHelpers.hpp"
#include "il/ILOpCodes.hpp"
#include "il/ILProps.hpp"
#include "infra/Assert.hpp"
#include "infra/Flags.hpp"
class TR_DebugExt;
namespace TR { class SymbolReference; }
namespace OMR
{
/**
* Opcode properties.
*/
struct OpCodeProperties
{
TR::ILOpCodes opcode; ///< Enum value. In the _opCodeProperties table, every entry
///< must be in the same position as its enum entry value.
char const * name; ///< Opcode Name
/**
* Opcode properties
*/
uint32_t properties1; // These should be flags32_t, but gcc becomes too slow
uint32_t properties2; // at compiling the big table in IlOps.cpp trying to inline
uint32_t properties3; // all those trivial flags32_t constructor calls
uint32_t properties4;
TR::DataType dataType;
uint32_t typeProperties;
TR::ILChildPropType childTypes;
TR::ILOpCodes swapChildrenOpCode;
TR::ILOpCodes reverseBranchOpCode;
TR::ILOpCodes booleanCompareOpCode;
TR::ILOpCodes ifCompareOpCode;
};
/**
* ILOpCode largely consists of a query interface to
* ask questions about TR IL Opcodes.
*/
class ILOpCode
{
public:
// Deprecate?
ILOpCode()
: _opCode(TR::BadILOp)
{}
ILOpCode(TR::ILOpCodes opCode)
: _opCode(opCode)
{
TR_ASSERT(opCode <= TR::LastTROp, "assertion failure");
}
TR::ILOpCodes getOpCodeValue() const { return (TR::ILOpCodes)_opCode; }
TR::ILOpCodes setOpCodeValue(TR::ILOpCodes op) { TR_ASSERT(op <= TR::LastTROp, "assertion failure"); return (TR::ILOpCodes) (_opCode = op); }
/// Get the opcode to be used if the children of this opcode are swapped.
/// e.g. ificmplt --> ificmpgt
TR::ILOpCodes getOpCodeForSwapChildren() const
{ return _opCodeProperties[_opCode].swapChildrenOpCode; }
/// Get the opcode to be used if the sense of this (compare) opcode is reversed.
/// e.g. ificmplt --> ificmpge
TR::ILOpCodes getOpCodeForReverseBranch() const
{ return _opCodeProperties[_opCode].reverseBranchOpCode; }
/// Get the boolean compare opcode that corresponds to this compare-and-branch
/// opcode.
/// e.g. ificmplt --> icmplt
TR::ILOpCodes convertIfCmpToCmp()
{ return _opCodeProperties[_opCode].booleanCompareOpCode; }
/// Get the compare-and-branch opcode that corresponds to this boolean compare
///e.g. icmplt --> ificmplt
TR::ILOpCodes convertCmpToIfCmp()
{ return _opCodeProperties[_opCode].ifCompareOpCode; }
TR::DataType getDataType() const { return _opCodeProperties[_opCode].dataType; }
static TR::DataType getDataType(TR::ILOpCodes op) { return _opCodeProperties[op].dataType; }
TR::DataType getType() const { return _opCodeProperties[_opCode].dataType; }
static TR::DataType getType(TR::ILOpCodes op) { return _opCodeProperties[op].dataType; }
const char *getName() const { return _opCodeProperties[_opCode].name; }
// Query Functions
uint32_t getSize() const { return typeProperties().getValue(ILTypeProp::Size_Mask); }
static uint32_t getSize(TR::ILOpCodes op) { return ILOpCode(op).getSize(); }
/**
* ILTypeProp
*/
bool isVoid() const { return typeProperties().getValue() == 0; }
bool isByte() const { return (typeProperties().testAny(ILTypeProp::Integer | ILTypeProp::Unsigned) && typeProperties().testAll(ILTypeProp::Size_1)); }
bool isShort() const { return (typeProperties().testAny(ILTypeProp::Integer | ILTypeProp::Unsigned) && typeProperties().testAll(ILTypeProp::Size_2)); }
bool isInt() const { return (typeProperties().testAny(ILTypeProp::Integer | ILTypeProp::Unsigned) && typeProperties().testAll(ILTypeProp::Size_4)); }
bool isLong() const { return (typeProperties().testAny(ILTypeProp::Integer | ILTypeProp::Unsigned) && typeProperties().testAll(ILTypeProp::Size_8)); }
bool isRef() const { return typeProperties().testAny(ILTypeProp::Address); }
bool isFloat() const { return typeProperties().testAll(ILTypeProp::Floating_Point | ILTypeProp::Size_4); }
bool isDouble() const { return typeProperties().testAll(ILTypeProp::Floating_Point | ILTypeProp::Size_8); }
bool isInteger() const { return typeProperties().testAny(ILTypeProp::Integer); }
bool isUnsigned() const { return typeProperties().testAny(ILTypeProp::Unsigned); }
bool isUnsignedConversion() const { return isUnsigned() && isConversion(); }
bool isFloatingPoint() const { return typeProperties().testAny(ILTypeProp::Floating_Point); }
bool isVector() const { return typeProperties().testAny(ILTypeProp::Vector); }
bool isIntegerOrAddress() const { return typeProperties().testAny(ILTypeProp::Integer | ILTypeProp::Address); }
bool is1Byte() const { return typeProperties().testAny(ILTypeProp::Size_1); }
bool is2Byte() const { return typeProperties().testAny(ILTypeProp::Size_2); }
bool is4Byte() const { return typeProperties().testAny(ILTypeProp::Size_4); }
bool is8Byte() const { return typeProperties().testAny(ILTypeProp::Size_8); }
bool is16Byte() const { return typeProperties().testAny(ILTypeProp::Size_16); }
bool is32Byte() const { return typeProperties().testAny(ILTypeProp::Size_32); }
/**
* Opcode does not explicitly encode datatype in the property. Nodes with
* this flag must determine datatype from other means such as children,
* symrefs, etc.
*/
bool hasNoDataType() const { return typeProperties().testAny(ILTypeProp::HasNoDataType); }
/**
* ILChildProp
*/
uint32_t expectedChildCount() const { return GET_CHILD_COUNT(childProperties()); }
TR::DataTypes expectedChildType(uint32_t childIndex) const { return GET_CHILD_TYPE(childIndex, childProperties()); }
bool canHaveGlRegDeps() const { return getOpCodeValue() == TR::BBStart || getOpCodeValue() == TR::BBEnd || isCall() || isBranch(); }
/**
* ILProp1
*/
bool isCommutative() const { return properties1().testAny(ILProp1::Commutative); }
bool isAssociative() const { return properties1().testAny(ILProp1::Associative); }
bool isConversion() const { return properties1().testAny(ILProp1::Conversion); }
bool isAdd() const { return properties1().testAny(ILProp1::Add); }
bool isSub() const { return properties1().testAny(ILProp1::Sub); }
bool isMul() const { return properties1().testAny(ILProp1::Mul); }
bool isDiv() const { return properties1().testAny(ILProp1::Div); }
bool isRem() const { return properties1().testAny(ILProp1::Rem); }
bool isLeftShift() const { return properties1().testAny(ILProp1::LeftShift); }
bool isRightShift() const { return properties1().testAny(ILProp1::RightShift); }
bool isShift() const { return properties1().testAny(ILProp1::LeftShift | ILProp1::RightShift); }
bool isShiftLogical() const { return properties1().testAny(ILProp1::ShiftLogical); }
bool isBooleanCompare() const { return properties1().testAny(ILProp1::BooleanCompare); }
bool isBranch() const { return properties1().testAny(ILProp1::Branch); }
bool isCompBranchOnly() const { return properties1().testAny(ILProp1::CompBranchOnly); }
bool isIf() const { return properties1().testAll(ILProp1::BooleanCompare | ILProp1::Branch) && !isCompBranchOnly(); }
bool isGoto() const { return properties1().testAll(ILProp1::Branch | ILProp1::TreeTop) && !isCompBranchOnly() && !isIf(); }
bool isIndirect() const { return properties1().testAny(ILProp1::Indirect); }
bool isLoadVar() const { return properties1().testAny(ILProp1::LoadVar); }
bool isLoadConst() const { return properties1().testAny(ILProp1::LoadConst); }
bool isLoad() const { return properties1().testAny(ILProp1::Load); }
bool isLoadVarDirect() const { return properties1().testValue(ILProp1::Indirect | ILProp1::LoadVar, ILProp1::LoadVar); }
bool isLoadDirect() const { return isLoad() && !isIndirect(); }
bool isLoadIndirect() const { return properties1().testAll(ILProp1::Indirect | ILProp1::LoadVar); }
bool isStore() const { return properties1().testAny(ILProp1::Store); }
bool isStoreDirect() const { return properties1().testValue(ILProp1::Indirect | ILProp1::Store, ILProp1::Store); }
bool isStoreIndirect() const { return properties1().testAll(ILProp1::Indirect | ILProp1::Store); }
bool isLoadVarOrStore() const { return properties1().testAny((ILProp1::Store | ILProp1::LoadVar)); }
bool isLoadReg() const { return properties1().testAny(ILProp1::LoadReg); }
bool isStoreReg() const { return properties1().testAny(ILProp1::StoreReg); }
bool isLoadDirectOrReg() const { return isLoadDirect() || isLoadReg(); }
bool isStoreDirectOrReg() const { return isStoreDirect() || isStoreReg(); }
bool isIntegralLoadVar() const { return isLoadVar() && getType().isIntegral(); }
bool isIntegralConst() const { return isLoadConst() && getType().isIntegral(); }
bool isAnd() const { return properties1().testAny(ILProp1::And); }
bool isOr() const { return properties1().testAny(ILProp1::Or); }
bool isXor() const { return properties1().testAny(ILProp1::Xor); }
bool isNeg() const { return properties1().testAny(ILProp1::Neg); }
bool isBitwiseLogical() const { return isAnd() || isXor() || isOr(); }
bool isReturn() const { return properties1().testAny(ILProp1::Return); }
bool isCall() const { return properties1().testAny(ILProp1::Call); }
bool isCallDirect() const { return properties1().testValue(ILProp1::Indirect | ILProp1::Call, ILProp1::Call); }
bool isCallIndirect() const { return properties1().testAll(ILProp1::Call | ILProp1::Indirect); }
/**
* @brief This query must return true for any opcode that may appear at the
* top of a tree (i.e., any node that a `TR::TreeTop` points to). For
* example, a store opcode would return true because it may appear under
* a TR::TreeTop, even though it might also appear as a child of a NULLCHK
* node in another circumstance.
*/
bool isTreeTop() const { return properties1().testAny(ILProp1::TreeTop); }
bool hasSymbolReference() const { return properties1().testAny(ILProp1::HasSymbolRef); }
bool isMemoryReference() const { return properties1().testAll(ILProp1::HasSymbolRef | ILProp1::LoadVar); }
bool isSwitch() const { return properties1().testAny(ILProp1::Switch); }
/**
* ILProp2
*/
bool mustBeLowered() const { return properties2().testAny(ILProp2::MustBeLowered); }
bool canShareValueNumber() const { return properties2().testAny(ILProp2::ValueNumberShare); }
bool isWrtBar() const { return properties2().testAny(ILProp2::WriteBarrierStore); }
bool isReadBar() const { return properties2().testAny(ILProp2::ReadBarrierLoad); }
bool canRaiseException() const { return properties2().testAny(ILProp2::CanRaiseException); }
bool isCheck() const { return properties2().testAny(ILProp2::Check); }
bool isNullCheck() const { return properties2().testAny(ILProp2::NullCheck); }
bool isResolveCheck() const { return properties2().testAny(ILProp2::ResolveCheck); }
bool isResolveOrNullCheck() const { return properties2().testAny(ILProp2::ResolveCheck | ILProp2::NullCheck); }
bool isBndCheck() const { return properties2().testAny(ILProp2::BndCheck); }
bool isCheckCast() const { return properties2().testAny(ILProp2::CheckCast); }
bool isCheckCastOrNullCheck() const { return properties2().testAny(ILProp2::CheckCast | ILProp2::NullCheck); }
bool mayUseSystemStack() const { return properties2().testAny(ILProp2::MayUseSystemStack); }
bool isSupportedForPRE() const { return properties2().testAny(ILProp2::SupportedForPRE); }
bool isLeftRotate() const { return properties2().testAny(ILProp2::LeftRotate); }
bool isRotate() const { return properties2().testAny(ILProp2::LeftRotate); }
bool isUnsignedCompare() const { return properties2().testAny(ILProp2::UnsignedCompare); }
bool isOverflowCompare() const { return properties2().testAny(ILProp2::OverflowCompare); }
bool isSelect() const { return properties2().testAny(ILProp2::Select); }
bool isSelectAdd() const { return properties2().testAny(ILProp2::SelectAdd); }
bool isSelectSub() const { return properties2().testAny(ILProp2::SelectSub); }
bool isArithmetic() const { return isAdd() || isSub() || isMul() || isDiv() || isRem() || isLeftShift() || isRightShift() || isShiftLogical() || isAnd() || isXor() || isOr() || isNeg() || isSelectAdd() || isSelectSub(); }
bool isCondCodeComputation() const { return properties2().testAny(ILProp2::CondCodeComputation); }
bool isJumpWithMultipleTargets() const { return properties2().testAny(ILProp2::JumpWithMultipleTargets); } // Transactional Memory uses this
bool isLoadAddr() const { return properties2().testAny(ILProp2::LoadAddress); }
bool isMax() const { return properties2().testAny(ILProp2::Max); }
bool isMin() const { return properties2().testAny(ILProp2::Min); }
bool isNew() const { return properties2().testAny(ILProp2::New); }
bool isZeroExtension() const { return properties2().testAny(ILProp2::ZeroExtension); }
bool isSignExtension() const { return properties2().testAny(ILProp2::SignExtension); }
/**
* ILProp3
*/
bool isFence() const { return properties3().testAny(ILProp3::Fence); }
bool isExceptionRangeFence() const { return properties3().testAny(ILProp3::ExceptionRangeFence); }
bool isLikeUse() const { return properties3().testAny(ILProp3::LikeUse); }
bool isLikeDef() const { return properties3().testAny(ILProp3::LikeDef); }
bool isSpineCheck() const { return properties3().testAny(ILProp3::SpineCheck); }
bool isArrayLength() const { return properties3().testAny(ILProp3::ArrayLength); }
bool isSignedExponentiation() const { return properties3().testAny(ILProp3::SignedExponentiation); } // denotes the power (not the base) is signed
bool isUnsignedExponentiation() const { return properties3().testAny(ILProp3::UnsignedExponentiation); } // denotes the power (not the base) is unsigned
bool isExponentiation() const { return isSignedExponentiation() || isUnsignedExponentiation(); }
bool isCompareTrueIfLess() const { return properties3().testAny(ILProp3::CompareTrueIfLess); }
bool isCompareTrueIfGreater() const { return properties3().testAny(ILProp3::CompareTrueIfGreater); }
bool isCompareTrueIfEqual() const { return properties3().testAny(ILProp3::CompareTrueIfEqual); }
bool isCompareTrueIfUnordered() const { return properties3().testAny(ILProp3::CompareTrueIfUnordered); }
bool isCompareForEquality() const { return isBooleanCompare() && (isCompareTrueIfLess() == isCompareTrueIfGreater()); }
bool isCompareForOrder() const { return isBooleanCompare() && (isCompareTrueIfLess() != isCompareTrueIfGreater()); }
bool hasBranchChildren() const { return properties3().testAny(ILProp3::HasBranchChild); }
bool skipDynamicLitPoolOnInts() const { return properties3().testAny(ILProp3::SkipDynamicLitPoolOnInts); }
bool isAbs() const { return properties3().testAny(ILProp3::Abs); }
bool isVectorReduction() const { return properties3().testAny(ILProp3::VectorReduction); }
bool isSignum() const { return properties3().testAny(ILProp3::Signum); }
bool isArrayRef() const { return (isAdd() && isCommutative() && isAssociative() && isRef()); } // returns true if TR::aiadd or TR::aladd
bool isTwoChildrenAddress() const { return isArrayRef(); }
bool isCase() const { return getOpCodeValue() == TR::Case; }
bool isAnchor() const { return getOpCodeValue() == TR::compressedRefs; }
bool isOverflowCheck() const { return (getOpCodeValue() == TR::OverflowCHK) ||
(getOpCodeValue() == TR::UnsignedOverflowCHK);
}
bool hasPinningArrayPointer()
{
return (getOpCodeValue() == TR::aiadd) ||
(getOpCodeValue() == TR::aladd);
}
bool isLongCompare() const
{
return (getOpCodeValue() == TR::lcmp) ||
(getOpCodeValue() == TR::lcmpeq) ||
(getOpCodeValue() == TR::lcmpne) ||
(getOpCodeValue() == TR::lcmplt) ||
(getOpCodeValue() == TR::lcmpge) ||
(getOpCodeValue() == TR::lcmpgt) ||
(getOpCodeValue() == TR::lcmple) ||
(getOpCodeValue() == TR::lucmp) ||
(getOpCodeValue() == TR::lucmplt) ||
(getOpCodeValue() == TR::lucmpge) ||
(getOpCodeValue() == TR::lucmpgt) ||
(getOpCodeValue() == TR::lucmple);
}
bool isFunctionCall() const
{
return isCall() &&
getOpCodeValue() != TR::arraycopy &&
getOpCodeValue() != TR::arrayset &&
getOpCodeValue() != TR::bitOpMem &&
getOpCodeValue() != TR::bitOpMemND &&
getOpCodeValue() != TR::arraycmp &&
getOpCodeValue() != TR::arraycmpWithPad;
}
bool isCompareDouble()
{
switch (_opCode)
{
case TR::ifdcmpeq:
case TR::ifdcmpne:
case TR::ifdcmpge:
case TR::ifdcmpgt:
case TR::ifdcmple:
case TR::ifdcmplt:
case TR::ifdcmpequ:
case TR::ifdcmpneu:
case TR::ifdcmpgeu:
case TR::ifdcmpleu:
case TR::ifdcmpgtu:
case TR::ifdcmpltu:
case TR::dcmpeq:
case TR::dcmpne:
case TR::dcmpge:
case TR::dcmpgt:
case TR::dcmple:
case TR::dcmplt:
case TR::dcmpequ:
case TR::dcmpneu:
case TR::dcmpgeu:
case TR::dcmpleu:
case TR::dcmpgtu:
case TR::dcmpltu:
return true;
default:
return false;
}
return false;
}
bool canUseBranchOnCount()
{
return getOpCodeValue() == TR::ificmpgt ||
getOpCodeValue() == TR::iflcmpgt ||
getOpCodeValue() == TR::ifiucmpgt ||
getOpCodeValue() == TR::ifacmpgt ||
getOpCodeValue() == TR::iflucmpgt ||
getOpCodeValue() == TR::iadd ||
getOpCodeValue() == TR::ladd ||
getOpCodeValue() == TR::iuaddc ||
getOpCodeValue() == TR::aiadd ||
getOpCodeValue() == TR::luaddc ||
getOpCodeValue() == TR::aladd ||
getOpCodeValue() == TR::isub ||
getOpCodeValue() == TR::lsub ||
getOpCodeValue() == TR::iusubb ||
getOpCodeValue() == TR::asub ||
getOpCodeValue() == TR::lusubb;
}
bool isStrictWidenConversion()
{
return getOpCodeValue() == TR::f2d ||
getOpCodeValue() == TR::b2i ||
getOpCodeValue() == TR::s2i ||
getOpCodeValue() == TR::b2l ||
getOpCodeValue() == TR::bu2i ||
getOpCodeValue() == TR::bu2l ||
getOpCodeValue() == TR::s2l ||
getOpCodeValue() == TR::su2i ||
getOpCodeValue() == TR::su2l ||
getOpCodeValue() == TR::i2l;
}
bool isMemToMemOp()
{
return getOpCodeValue() == TR::bitOpMem ||
getOpCodeValue() == TR::arrayset ||
getOpCodeValue() == TR::arraycmp ||
getOpCodeValue() == TR::arraycopy;
}
static TR::ILOpCodes getProperConversion(TR::DataType sourceDataType, TR::DataType targetDataType, bool needUnsignedConversion)
{
TR::ILOpCodes op = TR::DataType::getDataTypeConversion(sourceDataType, targetDataType);
if (!needUnsignedConversion) return op;
//FIXME: maybe its better to come up with two conversionMap tables rather
// than having a big switch here
switch (op)
{
case TR::b2s: return TR::bu2s;
case TR::b2i: return TR::bu2i;
case TR::b2l: return TR::bu2l;
case TR::b2a: return TR::bu2a;// do we care about this?
case TR::b2f: return TR::bu2f;
case TR::b2d: return TR::bu2d;
case TR::s2i: return TR::su2i;
case TR::s2l: return TR::su2l;
case TR::s2a: return TR::su2a;
case TR::s2f: return TR::su2f;
case TR::s2d: return TR::su2d;
case TR::i2l: return TR::iu2l;
case TR::i2a: return TR::iu2a;
case TR::i2f: return TR::iu2f;
case TR::i2d: return TR::iu2d;
case TR::l2a: return TR::lu2a;
case TR::l2f: return TR::lu2f;
case TR::l2d: return TR::lu2d;
case TR::f2i: return TR::f2iu;
case TR::f2l: return TR::f2lu;
case TR::f2b: return TR::f2bu;
case TR::f2s: return TR::f2s;
case TR::d2i: return TR::d2iu;
case TR::d2l: return TR::d2lu;
case TR::d2b: return TR::d2bu;
case TR::d2s: return TR::d2s;
default: return op;
}
}
static TR::ILOpCodes convertSignedCmpToUnsignedCmp(TR::ILOpCodes op)
{
switch (op)
{
case TR::icmpeq:
return TR::icmpeq;
case TR::icmpne:
return TR::icmpne;
case TR::icmplt:
return TR::iucmplt;
case TR::icmpge:
return TR::iucmpge;
case TR::icmpgt:
return TR::iucmpgt;
case TR::icmple:
return TR::iucmple;
case TR::ificmpeq:
return TR::ificmpeq;
case TR::ificmpne:
return TR::ificmpne;
case TR::ificmplt:
return TR::ifiucmplt;
case TR::ificmpge:
return TR::ifiucmpge;
case TR::ificmpgt:
return TR::ifiucmpgt;
case TR::ificmple:
return TR::ifiucmple;
case TR::lcmpeq:
return TR::lcmpeq;
case TR::lcmpne:
return TR::lcmpne;
case TR::lcmplt:
return TR::lucmplt;
case TR::lcmpge:
return TR::lucmpge;
case TR::lcmpgt:
return TR::lucmpgt;
case TR::lcmple:
return TR::lucmple;
case TR::iflcmpeq:
return TR::iflcmpeq;
case TR::iflcmpne:
return TR::iflcmpne;
case TR::iflcmplt:
return TR::iflucmplt;
case TR::iflcmpge:
return TR::iflucmpge;
case TR::iflcmpgt:
return TR::iflucmpgt;
case TR::iflcmple:
return TR::iflucmple;
default:
return TR::BadILOp;
}
}
static TR::ILOpCodes compareOpCode(TR::DataType dt, enum TR_ComparisonTypes ct, bool unsignedCompare = false);
static TR_ComparisonTypes getCompareType(TR::ILOpCodes op);
static bool isStrictlyLessThanCmp(TR::ILOpCodes op)
{
switch (op)
{
case TR::ificmplt:
case TR::ifiucmplt:
case TR::iflcmplt:
case TR::iflucmplt:
case TR::ifbcmplt:
case TR::ifscmplt:
case TR::ifsucmplt:
case TR::iffcmplt:
case TR::iffcmpltu:
case TR::ifdcmplt:
case TR::ifdcmpltu:
return true;
default:
return false;
}
}
static bool isStrictlyGreaterThanCmp(TR::ILOpCodes op)
{
switch (op)
{
case TR::ificmpgt:
case TR::ifiucmpgt:
case TR::iflcmpgt:
case TR::iflucmpgt:
case TR::ifbcmpgt:
case TR::ifscmpgt:
case TR::ifsucmpgt:
case TR::iffcmpgt:
case TR::iffcmpgtu:
case TR::ifdcmpgt:
case TR::ifdcmpgtu:
return true;
default:
return false;
}
}
static bool isLessCmp(TR::ILOpCodes op)
{
switch (op)
{
case TR::ificmplt:
case TR::ifiucmplt:
case TR::iflcmplt:
case TR::iflucmplt:
case TR::ifbcmplt:
case TR::ifscmplt:
case TR::ifsucmplt:
case TR::iffcmplt:
case TR::iffcmpltu:
case TR::ifdcmplt:
case TR::ifdcmpltu:
case TR::ificmple:
case TR::ifiucmple:
case TR::iflcmple:
case TR::iflucmple:
case TR::ifbcmple:
case TR::ifscmple:
case TR::ifsucmple:
case TR::iffcmple:
case TR::iffcmpleu:
case TR::ifdcmple:
case TR::ifdcmpleu:
return true;
default:
return false;
}
}
static bool isGreaterCmp(TR::ILOpCodes op)
{
switch (op)
{
case TR::ificmpgt:
case TR::ifiucmpgt:
case TR::iflcmpgt:
case TR::iflucmpgt:
case TR::ifbcmpgt:
case TR::ifscmpgt:
case TR::ifsucmpgt:
case TR::iffcmpgt:
case TR::iffcmpgtu:
case TR::ifdcmpgt:
case TR::ifdcmpgtu:
case TR::ificmpge:
case TR::ifiucmpge:
case TR::iflcmpge:
case TR::iflucmpge:
case TR::ifbcmpge:
case TR::ifscmpge:
case TR::ifsucmpge:
case TR::iffcmpge:
case TR::iffcmpgeu:
case TR::ifdcmpge:
case TR::ifdcmpgeu:
return true;
default:
return false;
}
}
static bool isEqualCmp(TR::ILOpCodes op)
{
switch (op)
{
case TR::ificmpeq:
case TR::iflcmpeq:
case TR::ifacmpeq:
case TR::ifbcmpeq:
case TR::ifscmpeq:
case TR::iffcmpeq:
case TR::ifdcmpeq:
return true;
default:
return false;
}
}
static bool isNotEqualCmp(TR::ILOpCodes op)
{
switch (op)
{
case TR::ificmpne:
case TR::iflcmpne:
case TR::ifacmpne:
case TR::ifbcmpne:
case TR::ifscmpne:
case TR::iffcmpne:
case TR::ifdcmpne:
return true;
default:
return false;
}
}
static TR::ILOpCodes indirectLoadOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int8: return TR::bloadi;
case TR::Int16: return TR::sloadi;
case TR::Int32: return TR::iloadi;
case TR::Int64: return TR::lloadi;
case TR::Address: return TR::aloadi;
case TR::Float: return TR::floadi;
case TR::Double: return TR::dloadi;
default: TR_ASSERT(0, "no load opcode for this datatype");
}
return TR::BadILOp;
}
static TR::ILOpCodes absOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int32: return TR::iabs;
case TR::Int64: return TR::labs;
case TR::Float: return TR::fabs;
case TR::Double: return TR::dabs;
default: TR_ASSERT(false, "no abs opcode for this datatype %s",type.toString());
}
return TR::BadILOp;
}
static TR::ILOpCodes addOpCode(TR::DataType type, bool is64Bit)
{
switch(type)
{
case TR::Int8: return TR::badd;
case TR::Int16: return TR::sadd;
case TR::Int32: return TR::iadd;
case TR::Int64: return TR::ladd;
case TR::Address: return (is64Bit) ? TR::aladd : TR::aiadd;
case TR::Float: return TR::fadd;
case TR::Double: return TR::dadd;
case TR::VectorInt8: return TR::vadd;
case TR::VectorInt16: return TR::vadd;
case TR::VectorInt32: return TR::vadd;
case TR::VectorInt64: return TR::vadd;
case TR::VectorFloat: return TR::vadd;
case TR::VectorDouble: return TR::vadd;
default: TR_ASSERT(0, "no add opcode for this datatype");
}
return TR::BadILOp;
}
static TR::ILOpCodes unsignedAddOpCode(TR::DataType type, bool is64Bit)
{
switch(type)
{
case TR::Int8: return TR::badd;
case TR::Int16: return TR::sadd;
case TR::Int32: return TR::iadd;
case TR::Int64: return TR::ladd;
case TR::Address: return (is64Bit) ? TR::aladd : TR::aiadd;
default: TR_ASSERT(0, "no add opcode for this datatype");
}
return TR::BadILOp;
}
static TR::ILOpCodes subtractOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int8: return TR::bsub;
case TR::Int16: return TR::ssub;
case TR::Int32: return TR::isub;
case TR::Int64: return TR::lsub;
case TR::Float: return TR::fsub;
case TR::Double: return TR::dsub;
case TR::VectorInt8: return TR::vsub;
case TR::VectorInt16: return TR::vsub;
case TR::VectorInt32: return TR::vsub;
case TR::VectorInt64: return TR::vsub;
case TR::VectorFloat: return TR::vsub;
case TR::VectorDouble: return TR::vsub;
default: TR_ASSERT(0, "no sub opcode for this datatype");
}
return TR::BadILOp;
}
static TR::ILOpCodes unsignedSubtractOpCode(TR::DataType type)
{
switch(type)
{
default: TR_ASSERT(0, "no unsigned sub opcode for this datatype");
}
TR_ASSERT_FATAL(0, "all unsigned subtract opcode has been deprecated. (eclipse/omr#2657)");
return TR::BadILOp;
}
static TR::ILOpCodes multiplyOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int8: return TR::bmul;
case TR::Int16: return TR::smul;
case TR::Int32: return TR::imul;
case TR::Int64: return TR::lmul;
case TR::Float: return TR::fmul;
case TR::Double: return TR::dmul;
case TR::VectorInt8: return TR::vmul;
case TR::VectorInt16: return TR::vmul;
case TR::VectorInt32: return TR::vmul;
case TR::VectorInt64: return TR::vmul;
case TR::VectorFloat: return TR::vmul;
case TR::VectorDouble: return TR::vmul;
default: TR_ASSERT(0, "no mul opcode for this datatype");
}
return TR::BadILOp;
}
static TR::ILOpCodes divideOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int8: return TR::bdiv;
case TR::Int16: return TR::sdiv;
case TR::Int32: return TR::idiv;
case TR::Int64: return TR::ldiv;
case TR::Float: return TR::fdiv;
case TR::Double: return TR::ddiv;
case TR::VectorInt8: return TR::vdiv;
case TR::VectorInt16: return TR::vdiv;
case TR::VectorInt32: return TR::vdiv;
case TR::VectorInt64: return TR::vdiv;
case TR::VectorFloat: return TR::vdiv;
case TR::VectorDouble: return TR::vdiv;
default: TR_ASSERT(0, "no div opcode for this datatype");
}
return TR::BadILOp;
}
static TR::ILOpCodes unsignedDivideOpCode(TR::DataType type)
{
switch (type)
{
case TR::Int32: return TR::iudiv;
case TR::Int64: return TR::ludiv;
default: TR_ASSERT(0, "no unsigned div opcode for this datatype");
}
return TR::BadILOp;
}
static TR::ILOpCodes remainderOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int8: return TR::brem;
case TR::Int16: return TR::srem;
case TR::Int32: return TR::irem;
case TR::Int64: return TR::lrem;
case TR::Float: return TR::frem;
case TR::Double: return TR::drem;
default: TR_ASSERT(0, "no div opcode for this datatype");
}
return TR::BadILOp;
}
static TR::ILOpCodes andOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int8: return TR::band;
case TR::Int16: return TR::sand;
case TR::Int32: return TR::iand;
case TR::Int64: return TR::land;
default: TR_ASSERT(false, "no and opcode for datatype %s",type.toString());
}
return TR::BadILOp;
}
static TR::ILOpCodes orOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int8: return TR::bor;
case TR::Int16: return TR::sor;
case TR::Int32: return TR::ior;
case TR::Int64: return TR::lor;
default: TR_ASSERT(false, "no or opcode for datatype %s",type.toString());
}
return TR::BadILOp;
}
static TR::ILOpCodes xorOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int8: return TR::bxor;
case TR::Int16: return TR::sxor;
case TR::Int32: return TR::ixor;
case TR::Int64: return TR::lxor;
default: TR_ASSERT(false, "no xor opcode for datatype %s",type.toString());
}
return TR::BadILOp;
}
static TR::ILOpCodes shiftLeftOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int8: return TR::bshl;
case TR::Int16: return TR::sshl;
case TR::Int32: return TR::ishl;
case TR::Int64: return TR::lshl;
default: TR_ASSERT(false, "no shl opcode for datatype %s",type.toString());
}
return TR::BadILOp;
}
static TR::ILOpCodes shiftRightOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int8: return TR::bshr;
case TR::Int16: return TR::sshr;
case TR::Int32: return TR::ishr;
case TR::Int64: return TR::lshr;
default: TR_ASSERT(false, "no shr opcode for datatype %s",type.toString());
}
return TR::BadILOp;
}
static TR::ILOpCodes unsignedShiftRightOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int32: return TR::iushr;
case TR::Int64: return TR::lushr;
default: TR_ASSERT(false, "no ushr opcode for datatype %s",type.toString());
}
return TR::BadILOp;
}
static TR::ILOpCodes negateOpCode(TR::DataType type)
{
switch(type)
{
case TR::Int8: return TR::bneg;
case TR::Int16: return TR::sneg;
case TR::Int32: return TR::ineg;
case TR::Int64: return TR::lneg;
case TR::Float: return TR::fneg;
case TR::Double: return TR::dneg;
default: TR_ASSERT(0, "no negate opcode for this datatype");
}
return TR::BadILOp;
}
static TR::ILOpCodes integerOpForLongOp(TR::ILOpCodes longOp)
{
switch (longOp)
{
case TR::ladd: return TR::iadd;
case TR::lsub: return TR::isub;
case TR::lmul: return TR::imul;
case TR::ldiv: return TR::idiv;
case TR::lrem: return TR::irem;
case TR::labs: return TR::iabs;
case TR::lneg: return TR::ineg;
case TR::lshr: return TR::ishr;
case TR::lushr: return TR::iushr;
case TR::lshl: return TR::ishl;
default: TR_ASSERT(0,"unexpected long arithmetic op\n");
}
return TR::BadILOp;
}
static bool isOpCodeAnImplicitNoOp(ILOpCode &opCode)
{
if (opCode.isConversion())
{
TR::ILOpCodes opCodeValue = opCode.getOpCodeValue();
switch (opCodeValue)
{
case TR::i2l:
case TR::i2f:
case TR::i2d:
case TR::l2f:
case TR::l2d:
case TR::f2i:
case TR::f2l:
case TR::f2b:
case TR::f2s:
case TR::f2c:
case TR::d2i:
case TR::d2l:
case TR::d2b:
case TR::d2s:
case TR::d2c:
case TR::b2l:
case TR::b2f:
case TR::b2d:
case TR::s2l:
case TR::s2f:
case TR::s2d:
case TR::su2l:
case TR::su2f:
case TR::su2d:
return false;
default:
{
return true;
}
}
}
return false;
}
static TR::ILOpCodes ifcmpgeOpCode(TR::DataType type, bool isUnsigned)
{
switch(type)
{
case TR::Int8: return isUnsigned ? TR::ifbucmpge : TR::ifbcmpge;
case TR::Int16: return isUnsigned ? TR::ifsucmpge : TR::ifscmpge;
case TR::Int32: return isUnsigned ? TR::ifiucmpge : TR::ificmpge;
case TR::Int64: return isUnsigned ? TR::iflucmpge : TR::iflcmpge;
case TR::Address: return TR::ifacmpge;
case TR::Float: return TR::iffcmpge;
case TR::Double: return TR::ifdcmpge;
default: TR_ASSERT(0, "no ifcmpge opcode for this datatype");
}
return TR::BadILOp;
}
static TR::ILOpCodes ifcmpleOpCode(TR::DataType type, bool isUnsigned)
{
switch(type)
{
case TR::Int8: return isUnsigned ? TR::ifbucmple : TR::ifbcmple;
case TR::Int16: return isUnsigned ? TR::ifsucmple : TR::ifscmple;
case TR::Int32: return isUnsigned ? TR::ifiucmple : TR::ificmple;
case TR::Int64: return isUnsigned ? TR::iflucmple : TR::iflcmple;
case TR::Address: return TR::ifacmple;
case TR::Float: return TR::iffcmple;
case TR::Double: return TR::ifdcmple;
default: TR_ASSERT(0, "no ifcmple opcode for this datatype");
}
return TR::BadILOp;
}
static TR::ILOpCodes ifcmpgtOpCode(TR::DataType type, bool isUnsigned)
{
switch(type)