org.jikesrvm.compilers.opt.ir

Class Attempt

java.lang.Object

org.jikesrvm.compilers.opt.ir.InstructionFormat

org.jikesrvm.compilers.opt.ir.Attempt

public final class Attempt
extends InstructionFormat

The Attempt 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
Attempt()

Method Summary

Modifier and Type	Method and Description
static boolean	conforms(Instruction i) InstructionFormat identification method for Attempt.
static boolean	conforms(Operator o) InstructionFormat identification method for Attempt.
static Instruction	create(Operator o, RegisterOperand Result, Operand Address, Operand Offset, Operand OldValue, Operand NewValue, LocationOperand Location) Create an instruction of the Attempt instruction format.
static Instruction	create(Operator o, RegisterOperand Result, Operand Address, Operand Offset, Operand OldValue, Operand NewValue, LocationOperand Location, Operand Guard) Create an instruction of the Attempt instruction format.
static Operand	getAddress(Instruction i) Get the operand called Address from the argument instruction.
static Operand	getClearAddress(Instruction i) Get the operand called Address from the argument instruction clearing its instruction pointer.
static Operand	getClearGuard(Instruction i) Get the operand called Guard from the argument instruction clearing its instruction pointer.
static LocationOperand	getClearLocation(Instruction i) Get the operand called Location from the argument instruction clearing its instruction pointer.
static Operand	getClearNewValue(Instruction i) Get the operand called NewValue from the argument instruction clearing its instruction pointer.
static Operand	getClearOffset(Instruction i) Get the operand called Offset from the argument instruction clearing its instruction pointer.
static Operand	getClearOldValue(Instruction i) Get the operand called OldValue from the argument instruction clearing its instruction pointer.
static RegisterOperand	getClearResult(Instruction i) Get the operand called Result from the argument instruction clearing its instruction pointer.
static Operand	getGuard(Instruction i) Get the operand called Guard from the argument instruction.
static LocationOperand	getLocation(Instruction i) Get the operand called Location from the argument instruction.
static Operand	getNewValue(Instruction i) Get the operand called NewValue from the argument instruction.
static Operand	getOffset(Instruction i) Get the operand called Offset from the argument instruction.
static Operand	getOldValue(Instruction i) Get the operand called OldValue from the argument instruction.
static RegisterOperand	getResult(Instruction i) Get the operand called Result from the argument instruction.
static boolean	hasAddress(Instruction i) Does the argument instruction have a non-null operand named Address?
static boolean	hasGuard(Instruction i) Does the argument instruction have a non-null operand named Guard?
static boolean	hasLocation(Instruction i) Does the argument instruction have a non-null operand named Location?
static boolean	hasNewValue(Instruction i) Does the argument instruction have a non-null operand named NewValue?
static boolean	hasOffset(Instruction i) Does the argument instruction have a non-null operand named Offset?
static boolean	hasOldValue(Instruction i) Does the argument instruction have a non-null operand named OldValue?
static boolean	hasResult(Instruction i) Does the argument instruction have a non-null operand named Result?
static int	indexOfAddress(Instruction i) Return the index of the operand called Address in the argument instruction.
static int	indexOfGuard(Instruction i) Return the index of the operand called Guard in the argument instruction.
static int	indexOfLocation(Instruction i) Return the index of the operand called Location in the argument instruction.
static int	indexOfNewValue(Instruction i) Return the index of the operand called NewValue in the argument instruction.
static int	indexOfOffset(Instruction i) Return the index of the operand called Offset in the argument instruction.
static int	indexOfOldValue(Instruction i) Return the index of the operand called OldValue in the argument instruction.
static int	indexOfResult(Instruction i) Return the index of the operand called Result in the argument instruction.
static Instruction	mutate(Instruction i, Operator o, RegisterOperand Result, Operand Address, Operand Offset, Operand OldValue, Operand NewValue, LocationOperand Location) Mutate the argument instruction into an instruction of the Attempt instruction format having the specified operator and operands.
static Instruction	mutate(Instruction i, Operator o, RegisterOperand Result, Operand Address, Operand Offset, Operand OldValue, Operand NewValue, LocationOperand Location, Operand Guard) Mutate the argument instruction into an instruction of the Attempt instruction format having the specified operator and operands.
static void	setAddress(Instruction i, Operand Address) Set the operand called Address in the argument instruction to the argument operand.
static void	setGuard(Instruction i, Operand Guard) Set the operand called Guard in the argument instruction to the argument operand.
static void	setLocation(Instruction i, LocationOperand Location) Set the operand called Location in the argument instruction to the argument operand.
static void	setNewValue(Instruction i, Operand NewValue) Set the operand called NewValue in the argument instruction to the argument operand.
static void	setOffset(Instruction i, Operand Offset) Set the operand called Offset in the argument instruction to the argument operand.
static void	setOldValue(Instruction i, Operand OldValue) Set the operand called OldValue in the argument instruction to the argument operand.
static void	setResult(Instruction i, RegisterOperand Result) Set the operand called Result 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

Attempt

public Attempt()

Method Detail

conforms

public static boolean conforms(Instruction i)

InstructionFormat identification method for Attempt.

Parameters:

i - an instruction

Returns:

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

conforms

public static boolean conforms(Operator o)

InstructionFormat identification method for Attempt.

Parameters:

o - an instruction

Returns:

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

getResult

public static RegisterOperand getResult(Instruction i)

Get the operand called Result 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 Result

getClearResult

public static RegisterOperand getClearResult(Instruction i)

Get the operand called Result 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 Result

setResult

public static void setResult(Instruction i,
                             RegisterOperand Result)

Set the operand called Result 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

Result - the operand to store

indexOfResult

public static int indexOfResult(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Result in the argument instruction

hasResult

public static boolean hasResult(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

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

getAddress

public static Operand getAddress(Instruction i)

Get the operand called Address 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 Address

getClearAddress

public static Operand getClearAddress(Instruction i)

Get the operand called Address 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 Address

setAddress

public static void setAddress(Instruction i,
                              Operand Address)

Set the operand called Address 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

Address - the operand to store

indexOfAddress

public static int indexOfAddress(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Address in the argument instruction

hasAddress

public static boolean hasAddress(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

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

getOffset

public static Operand getOffset(Instruction i)

Get the operand called Offset 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 Offset

getClearOffset

public static Operand getClearOffset(Instruction i)

Get the operand called Offset 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 Offset

setOffset

public static void setOffset(Instruction i,
                             Operand Offset)

Set the operand called Offset 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

Offset - the operand to store

indexOfOffset

public static int indexOfOffset(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Offset in the argument instruction

hasOffset

public static boolean hasOffset(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

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

getOldValue

public static Operand getOldValue(Instruction i)

Get the operand called OldValue 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 OldValue

getClearOldValue

public static Operand getClearOldValue(Instruction i)

Get the operand called OldValue 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 OldValue

setOldValue

public static void setOldValue(Instruction i,
                               Operand OldValue)

Set the operand called OldValue 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

OldValue - the operand to store

indexOfOldValue

public static int indexOfOldValue(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

the index of the operand called OldValue in the argument instruction

hasOldValue

public static boolean hasOldValue(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

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

getNewValue

public static Operand getNewValue(Instruction i)

Get the operand called NewValue 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 NewValue

getClearNewValue

public static Operand getClearNewValue(Instruction i)

Get the operand called NewValue 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 NewValue

setNewValue

public static void setNewValue(Instruction i,
                               Operand NewValue)

Set the operand called NewValue 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

NewValue - the operand to store

indexOfNewValue

public static int indexOfNewValue(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

the index of the operand called NewValue in the argument instruction

hasNewValue

public static boolean hasNewValue(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

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

getLocation

public static LocationOperand getLocation(Instruction i)

Get the operand called Location 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 Location

getClearLocation

public static LocationOperand getClearLocation(Instruction i)

Get the operand called Location 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 Location

setLocation

public static void setLocation(Instruction i,
                               LocationOperand Location)

Set the operand called Location 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

Location - the operand to store

indexOfLocation

public static int indexOfLocation(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Location in the argument instruction

hasLocation

public static boolean hasLocation(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

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

getGuard

public static Operand getGuard(Instruction i)

Get the operand called Guard 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 Guard

getClearGuard

public static Operand getClearGuard(Instruction i)

Get the operand called Guard 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 Guard

setGuard

public static void setGuard(Instruction i,
                            Operand Guard)

Set the operand called Guard 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

Guard - the operand to store

indexOfGuard

public static int indexOfGuard(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Guard in the argument instruction

hasGuard

public static boolean hasGuard(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

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

create

public static Instruction create(Operator o,
                                 RegisterOperand Result,
                                 Operand Address,
                                 Operand Offset,
                                 Operand OldValue,
                                 Operand NewValue,
                                 LocationOperand Location,
                                 Operand Guard)

Create an instruction of the Attempt instruction format.

Parameters:

o - the instruction's operator

Result - the instruction's Result operand

Address - the instruction's Address operand

Offset - the instruction's Offset operand

OldValue - the instruction's OldValue operand

NewValue - the instruction's NewValue operand

Location - the instruction's Location operand

Guard - the instruction's Guard operand

Returns:

the newly created Attempt instruction

mutate

public static Instruction mutate(Instruction i,
                                 Operator o,
                                 RegisterOperand Result,
                                 Operand Address,
                                 Operand Offset,
                                 Operand OldValue,
                                 Operand NewValue,
                                 LocationOperand Location,
                                 Operand Guard)

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

Parameters:

i - the instruction to mutate

o - the instruction's operator

Result - the instruction's Result operand

Address - the instruction's Address operand

Offset - the instruction's Offset operand

OldValue - the instruction's OldValue operand

NewValue - the instruction's NewValue operand

Location - the instruction's Location operand

Guard - the instruction's Guard operand

Returns:

the mutated instruction

create

public static Instruction create(Operator o,
                                 RegisterOperand Result,
                                 Operand Address,
                                 Operand Offset,
                                 Operand OldValue,
                                 Operand NewValue,
                                 LocationOperand Location)

Create an instruction of the Attempt instruction format.

Parameters:

o - the instruction's operator

Result - the instruction's Result operand

Address - the instruction's Address operand

Offset - the instruction's Offset operand

OldValue - the instruction's OldValue operand

NewValue - the instruction's NewValue operand

Location - the instruction's Location operand

Returns:

the newly created Attempt instruction

mutate

public static Instruction mutate(Instruction i,
                                 Operator o,
                                 RegisterOperand Result,
                                 Operand Address,
                                 Operand Offset,
                                 Operand OldValue,
                                 Operand NewValue,
                                 LocationOperand Location)

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

Parameters:

i - the instruction to mutate

o - the instruction's operator

Result - the instruction's Result operand

Address - the instruction's Address operand

Offset - the instruction's Offset operand

OldValue - the instruction's OldValue operand

NewValue - the instruction's NewValue operand

Location - the instruction's Location operand

Returns:

the mutated instruction