org.jikesrvm.compilers.opt.ir

Class IfCmp2

java.lang.Object

org.jikesrvm.compilers.opt.ir.InstructionFormat

org.jikesrvm.compilers.opt.ir.IfCmp2

public final class IfCmp2
extends InstructionFormat

The IfCmp2 InstructionFormat class. The header comment for Instruction contains an explanation of the role of InstructionFormats in the opt compiler's IR.

Field Summary

Fields inherited from class org.jikesrvm.compilers.opt.ir.InstructionFormat

ALoad_format, ALoad_traits, ARCH_INDEPENDENT_INSTR_FORMAT_END_format, AStore_format, AStore_traits, Athrow_format, Athrow_traits, Attempt_format, Attempt_traits, BBend_format, BBend_traits, Binary_format, Binary_traits, BooleanCmp_format, BooleanCmp_traits, BoundsCheck_format, BoundsCheck_traits, CacheOp_format, CacheOp_traits, Call_format, Call_traits, CondMove_format, CondMove_traits, Empty_format, Empty_traits, GetField_format, GetField_traits, GetStatic_format, GetStatic_traits, Goto_format, Goto_traits, GuardedBinary_format, GuardedBinary_traits, GuardedSet_format, GuardedSet_traits, GuardedUnary_format, GuardedUnary_traits, IfCmp_format, IfCmp_traits, IfCmp2_format, IfCmp2_traits, InlineGuard_format, InlineGuard_traits, InstanceOf_format, InstanceOf_traits, InstrumentedCounter_format, InstrumentedCounter_traits, Label_format, Label_traits, Load_format, Load_traits, LookupSwitch_format, LookupSwitch_traits, LowTableSwitch_format, LowTableSwitch_traits, MIN_OPERAND_ARRAY_LENGTH, MonitorOp_format, MonitorOp_traits, Move_format, Move_traits, Multianewarray_format, Multianewarray_traits, New_format, New_traits, NewArray_format, NewArray_traits, Nullary_format, Nullary_traits, NullCheck_format, NullCheck_traits, OsrBarrier_format, OsrBarrier_traits, OsrPoint_format, OsrPoint_traits, Phi_format, Phi_traits, Prepare_format, Prepare_traits, Prologue_format, Prologue_traits, PutField_format, PutField_traits, PutStatic_format, PutStatic_traits, Return_format, Return_traits, Store_format, Store_traits, StoreCheck_format, StoreCheck_traits, TableSwitch_format, TableSwitch_traits, Trap_format, Trap_traits, TrapIf_format, TrapIf_traits, TypeCheck_format, TypeCheck_traits, Unary_format, Unary_traits, Unassigned_format, ZeroCheck_format, ZeroCheck_traits

Constructor Summary

Constructors

Constructor and Description
IfCmp2()

Method Summary

Modifier and Type	Method and Description
static boolean	conforms(Instruction i) InstructionFormat identification method for IfCmp2.
static boolean	conforms(Operator o) InstructionFormat identification method for IfCmp2.
static Instruction	create(Operator o, RegisterOperand GuardResult, Operand Val1, Operand Val2, ConditionOperand Cond1, BranchOperand Target1, BranchProfileOperand BranchProfile1, ConditionOperand Cond2, BranchOperand Target2, BranchProfileOperand BranchProfile2) Create an instruction of the IfCmp2 instruction format.
static BranchProfileOperand	getBranchProfile1(Instruction i) Get the operand called BranchProfile1 from the argument instruction.
static BranchProfileOperand	getBranchProfile2(Instruction i) Get the operand called BranchProfile2 from the argument instruction.
static BranchProfileOperand	getClearBranchProfile1(Instruction i) Get the operand called BranchProfile1 from the argument instruction clearing its instruction pointer.
static BranchProfileOperand	getClearBranchProfile2(Instruction i) Get the operand called BranchProfile2 from the argument instruction clearing its instruction pointer.
static ConditionOperand	getClearCond1(Instruction i) Get the operand called Cond1 from the argument instruction clearing its instruction pointer.
static ConditionOperand	getClearCond2(Instruction i) Get the operand called Cond2 from the argument instruction clearing its instruction pointer.
static RegisterOperand	getClearGuardResult(Instruction i) Get the operand called GuardResult from the argument instruction clearing its instruction pointer.
static BranchOperand	getClearTarget1(Instruction i) Get the operand called Target1 from the argument instruction clearing its instruction pointer.
static BranchOperand	getClearTarget2(Instruction i) Get the operand called Target2 from the argument instruction clearing its instruction pointer.
static Operand	getClearVal1(Instruction i) Get the operand called Val1 from the argument instruction clearing its instruction pointer.
static Operand	getClearVal2(Instruction i) Get the operand called Val2 from the argument instruction clearing its instruction pointer.
static ConditionOperand	getCond1(Instruction i) Get the operand called Cond1 from the argument instruction.
static ConditionOperand	getCond2(Instruction i) Get the operand called Cond2 from the argument instruction.
static RegisterOperand	getGuardResult(Instruction i) Get the operand called GuardResult from the argument instruction.
static BranchOperand	getTarget1(Instruction i) Get the operand called Target1 from the argument instruction.
static BranchOperand	getTarget2(Instruction i) Get the operand called Target2 from the argument instruction.
static Operand	getVal1(Instruction i) Get the operand called Val1 from the argument instruction.
static Operand	getVal2(Instruction i) Get the operand called Val2 from the argument instruction.
static boolean	hasBranchProfile1(Instruction i) Does the argument instruction have a non-null operand named BranchProfile1?
static boolean	hasBranchProfile2(Instruction i) Does the argument instruction have a non-null operand named BranchProfile2?
static boolean	hasCond1(Instruction i) Does the argument instruction have a non-null operand named Cond1?
static boolean	hasCond2(Instruction i) Does the argument instruction have a non-null operand named Cond2?
static boolean	hasGuardResult(Instruction i) Does the argument instruction have a non-null operand named GuardResult?
static boolean	hasTarget1(Instruction i) Does the argument instruction have a non-null operand named Target1?
static boolean	hasTarget2(Instruction i) Does the argument instruction have a non-null operand named Target2?
static boolean	hasVal1(Instruction i) Does the argument instruction have a non-null operand named Val1?
static boolean	hasVal2(Instruction i) Does the argument instruction have a non-null operand named Val2?
static int	indexOfBranchProfile1(Instruction i) Return the index of the operand called BranchProfile1 in the argument instruction.
static int	indexOfBranchProfile2(Instruction i) Return the index of the operand called BranchProfile2 in the argument instruction.
static int	indexOfCond1(Instruction i) Return the index of the operand called Cond1 in the argument instruction.
static int	indexOfCond2(Instruction i) Return the index of the operand called Cond2 in the argument instruction.
static int	indexOfGuardResult(Instruction i) Return the index of the operand called GuardResult in the argument instruction.
static int	indexOfTarget1(Instruction i) Return the index of the operand called Target1 in the argument instruction.
static int	indexOfTarget2(Instruction i) Return the index of the operand called Target2 in the argument instruction.
static int	indexOfVal1(Instruction i) Return the index of the operand called Val1 in the argument instruction.
static int	indexOfVal2(Instruction i) Return the index of the operand called Val2 in the argument instruction.
static Instruction	mutate(Instruction i, Operator o, RegisterOperand GuardResult, Operand Val1, Operand Val2, ConditionOperand Cond1, BranchOperand Target1, BranchProfileOperand BranchProfile1, ConditionOperand Cond2, BranchOperand Target2, BranchProfileOperand BranchProfile2) Mutate the argument instruction into an instruction of the IfCmp2 instruction format having the specified operator and operands.
static void	setBranchProfile1(Instruction i, BranchProfileOperand BranchProfile1) Set the operand called BranchProfile1 in the argument instruction to the argument operand.
static void	setBranchProfile2(Instruction i, BranchProfileOperand BranchProfile2) Set the operand called BranchProfile2 in the argument instruction to the argument operand.
static void	setCond1(Instruction i, ConditionOperand Cond1) Set the operand called Cond1 in the argument instruction to the argument operand.
static void	setCond2(Instruction i, ConditionOperand Cond2) Set the operand called Cond2 in the argument instruction to the argument operand.
static void	setGuardResult(Instruction i, RegisterOperand GuardResult) Set the operand called GuardResult in the argument instruction to the argument operand.
static void	setTarget1(Instruction i, BranchOperand Target1) Set the operand called Target1 in the argument instruction to the argument operand.
static void	setTarget2(Instruction i, BranchOperand Target2) Set the operand called Target2 in the argument instruction to the argument operand.
static void	setVal1(Instruction i, Operand Val1) Set the operand called Val1 in the argument instruction to the argument operand.
static void	setVal2(Instruction i, Operand Val2) Set the operand called Val2 in the argument instruction to the argument operand.

Methods inherited from class org.jikesrvm.compilers.opt.ir.InstructionFormat

fail, fail

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IfCmp2

public IfCmp2()

Method Detail

conforms

public static boolean conforms(Instruction i)

InstructionFormat identification method for IfCmp2.

Parameters:

i - an instruction

Returns:

true if the InstructionFormat of the argument instruction is IfCmp2 or false if it is not.

conforms

public static boolean conforms(Operator o)

InstructionFormat identification method for IfCmp2.

Parameters:

o - an instruction

Returns:

true if the InstructionFormat of the argument operator is IfCmp2 or false if it is not.

getGuardResult

public static RegisterOperand getGuardResult(Instruction i)

Get the operand called GuardResult from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called GuardResult

getClearGuardResult

public static RegisterOperand getClearGuardResult(Instruction i)

Get the operand called GuardResult from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called GuardResult

setGuardResult

public static void setGuardResult(Instruction i,
                                  RegisterOperand GuardResult)

Set the operand called GuardResult in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:

i - the instruction in which to store the operand

GuardResult - the operand to store

indexOfGuardResult

public static int indexOfGuardResult(Instruction i)

Return the index of the operand called GuardResult in the argument instruction.

Parameters:

i - the instruction to access.

Returns:

the index of the operand called GuardResult in the argument instruction

hasGuardResult

public static boolean hasGuardResult(Instruction i)

Does the argument instruction have a non-null operand named GuardResult?

Parameters:

i - the instruction to access.

Returns:

true if the instruction has an non-null operand named GuardResult or false if it does not.

getVal1

public static Operand getVal1(Instruction i)

Get the operand called Val1 from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Val1

getClearVal1

public static Operand getClearVal1(Instruction i)

Get the operand called Val1 from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Val1

setVal1

public static void setVal1(Instruction i,
                           Operand Val1)

Set the operand called Val1 in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:

i - the instruction in which to store the operand

Val1 - the operand to store

indexOfVal1

public static int indexOfVal1(Instruction i)

Return the index of the operand called Val1 in the argument instruction.

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Val1 in the argument instruction

hasVal1

public static boolean hasVal1(Instruction i)

Does the argument instruction have a non-null operand named Val1?

Parameters:

i - the instruction to access.

Returns:

true if the instruction has an non-null operand named Val1 or false if it does not.

getVal2

public static Operand getVal2(Instruction i)

Get the operand called Val2 from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Val2

getClearVal2

public static Operand getClearVal2(Instruction i)

Get the operand called Val2 from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Val2

setVal2

public static void setVal2(Instruction i,
                           Operand Val2)

Set the operand called Val2 in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:

i - the instruction in which to store the operand

Val2 - the operand to store

indexOfVal2

public static int indexOfVal2(Instruction i)

Return the index of the operand called Val2 in the argument instruction.

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Val2 in the argument instruction

hasVal2

public static boolean hasVal2(Instruction i)

Does the argument instruction have a non-null operand named Val2?

Parameters:

i - the instruction to access.

Returns:

true if the instruction has an non-null operand named Val2 or false if it does not.

getCond1

public static ConditionOperand getCond1(Instruction i)

Get the operand called Cond1 from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Cond1

getClearCond1

public static ConditionOperand getClearCond1(Instruction i)

Get the operand called Cond1 from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Cond1

setCond1

public static void setCond1(Instruction i,
                            ConditionOperand Cond1)

Set the operand called Cond1 in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:

i - the instruction in which to store the operand

Cond1 - the operand to store

indexOfCond1

public static int indexOfCond1(Instruction i)

Return the index of the operand called Cond1 in the argument instruction.

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Cond1 in the argument instruction

hasCond1

public static boolean hasCond1(Instruction i)

Does the argument instruction have a non-null operand named Cond1?

Parameters:

i - the instruction to access.

Returns:

true if the instruction has an non-null operand named Cond1 or false if it does not.

getTarget1

public static BranchOperand getTarget1(Instruction i)

Get the operand called Target1 from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Target1

getClearTarget1

public static BranchOperand getClearTarget1(Instruction i)

Get the operand called Target1 from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Target1

setTarget1

public static void setTarget1(Instruction i,
                              BranchOperand Target1)

Set the operand called Target1 in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:

i - the instruction in which to store the operand

Target1 - the operand to store

indexOfTarget1

public static int indexOfTarget1(Instruction i)

Return the index of the operand called Target1 in the argument instruction.

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Target1 in the argument instruction

hasTarget1

public static boolean hasTarget1(Instruction i)

Does the argument instruction have a non-null operand named Target1?

Parameters:

i - the instruction to access.

Returns:

true if the instruction has an non-null operand named Target1 or false if it does not.

getBranchProfile1

public static BranchProfileOperand getBranchProfile1(Instruction i)

Get the operand called BranchProfile1 from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called BranchProfile1

getClearBranchProfile1

public static BranchProfileOperand getClearBranchProfile1(Instruction i)

Get the operand called BranchProfile1 from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called BranchProfile1

setBranchProfile1

public static void setBranchProfile1(Instruction i,
                                     BranchProfileOperand BranchProfile1)

Set the operand called BranchProfile1 in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:

i - the instruction in which to store the operand

BranchProfile1 - the operand to store

indexOfBranchProfile1

public static int indexOfBranchProfile1(Instruction i)

Return the index of the operand called BranchProfile1 in the argument instruction.

Parameters:

i - the instruction to access.

Returns:

the index of the operand called BranchProfile1 in the argument instruction

hasBranchProfile1

public static boolean hasBranchProfile1(Instruction i)

Does the argument instruction have a non-null operand named BranchProfile1?

Parameters:

i - the instruction to access.

Returns:

true if the instruction has an non-null operand named BranchProfile1 or false if it does not.

getCond2

public static ConditionOperand getCond2(Instruction i)

Get the operand called Cond2 from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Cond2

getClearCond2

public static ConditionOperand getClearCond2(Instruction i)

Get the operand called Cond2 from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Cond2

setCond2

public static void setCond2(Instruction i,
                            ConditionOperand Cond2)

Set the operand called Cond2 in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:

i - the instruction in which to store the operand

Cond2 - the operand to store

indexOfCond2

public static int indexOfCond2(Instruction i)

Return the index of the operand called Cond2 in the argument instruction.

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Cond2 in the argument instruction

hasCond2

public static boolean hasCond2(Instruction i)

Does the argument instruction have a non-null operand named Cond2?

Parameters:

i - the instruction to access.

Returns:

true if the instruction has an non-null operand named Cond2 or false if it does not.

getTarget2

public static BranchOperand getTarget2(Instruction i)

Get the operand called Target2 from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Target2

getClearTarget2

public static BranchOperand getClearTarget2(Instruction i)

Get the operand called Target2 from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called Target2

setTarget2

public static void setTarget2(Instruction i,
                              BranchOperand Target2)

Set the operand called Target2 in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:

i - the instruction in which to store the operand

Target2 - the operand to store

indexOfTarget2

public static int indexOfTarget2(Instruction i)

Return the index of the operand called Target2 in the argument instruction.

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Target2 in the argument instruction

hasTarget2

public static boolean hasTarget2(Instruction i)

Does the argument instruction have a non-null operand named Target2?

Parameters:

i - the instruction to access.

Returns:

true if the instruction has an non-null operand named Target2 or false if it does not.

getBranchProfile2

public static BranchProfileOperand getBranchProfile2(Instruction i)

Get the operand called BranchProfile2 from the argument instruction. Note that the returned operand will still point to its containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called BranchProfile2

getClearBranchProfile2

public static BranchProfileOperand getClearBranchProfile2(Instruction i)

Get the operand called BranchProfile2 from the argument instruction clearing its instruction pointer. The returned operand will not point to any containing instruction.

Parameters:

i - the instruction to fetch the operand from

Returns:

the operand called BranchProfile2

setBranchProfile2

public static void setBranchProfile2(Instruction i,
                                     BranchProfileOperand BranchProfile2)

Set the operand called BranchProfile2 in the argument instruction to the argument operand. The operand will now point to the argument instruction as its containing instruction.

Parameters:

i - the instruction in which to store the operand

BranchProfile2 - the operand to store

indexOfBranchProfile2

public static int indexOfBranchProfile2(Instruction i)

Return the index of the operand called BranchProfile2 in the argument instruction.

Parameters:

i - the instruction to access.

Returns:

the index of the operand called BranchProfile2 in the argument instruction

hasBranchProfile2

public static boolean hasBranchProfile2(Instruction i)

Does the argument instruction have a non-null operand named BranchProfile2?

Parameters:

i - the instruction to access.

Returns:

true if the instruction has an non-null operand named BranchProfile2 or false if it does not.

create

public static Instruction create(Operator o,
                                 RegisterOperand GuardResult,
                                 Operand Val1,
                                 Operand Val2,
                                 ConditionOperand Cond1,
                                 BranchOperand Target1,
                                 BranchProfileOperand BranchProfile1,
                                 ConditionOperand Cond2,
                                 BranchOperand Target2,
                                 BranchProfileOperand BranchProfile2)

Create an instruction of the IfCmp2 instruction format.

Parameters:

o - the instruction's operator

GuardResult - the instruction's GuardResult operand

Val1 - the instruction's Val1 operand

Val2 - the instruction's Val2 operand

Cond1 - the instruction's Cond1 operand

Target1 - the instruction's Target1 operand

BranchProfile1 - the instruction's BranchProfile1 operand

Cond2 - the instruction's Cond2 operand

Target2 - the instruction's Target2 operand

BranchProfile2 - the instruction's BranchProfile2 operand

Returns:

the newly created IfCmp2 instruction

mutate

public static Instruction mutate(Instruction i,
                                 Operator o,
                                 RegisterOperand GuardResult,
                                 Operand Val1,
                                 Operand Val2,
                                 ConditionOperand Cond1,
                                 BranchOperand Target1,
                                 BranchProfileOperand BranchProfile1,
                                 ConditionOperand Cond2,
                                 BranchOperand Target2,
                                 BranchProfileOperand BranchProfile2)

Mutate the argument instruction into an instruction of the IfCmp2 instruction format having the specified operator and operands.

Parameters:

i - the instruction to mutate

o - the instruction's operator

GuardResult - the instruction's GuardResult operand

Val1 - the instruction's Val1 operand

Val2 - the instruction's Val2 operand

Cond1 - the instruction's Cond1 operand

Target1 - the instruction's Target1 operand

BranchProfile1 - the instruction's BranchProfile1 operand

Cond2 - the instruction's Cond2 operand

Target2 - the instruction's Target2 operand

BranchProfile2 - the instruction's BranchProfile2 operand

Returns:

the mutated instruction