org.jikesrvm.compilers.opt.ir.ppc

Class MIR_Condition

java.lang.Object

org.jikesrvm.compilers.opt.ir.InstructionFormat

org.jikesrvm.compilers.opt.ir.ppc.ArchInstructionFormat

org.jikesrvm.compilers.opt.ir.ppc.MIR_Condition

public final class MIR_Condition
extends ArchInstructionFormat

The MIR_Condition 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.ppc.ArchInstructionFormat

MIR_Binary_format, MIR_Binary_traits, MIR_Branch_format, MIR_Branch_traits, MIR_CacheOp_format, MIR_CacheOp_traits, MIR_Call_format, MIR_Call_traits, MIR_CondBranch_format, MIR_CondBranch_traits, MIR_CondBranch2_format, MIR_CondBranch2_traits, MIR_CondCall_format, MIR_CondCall_traits, MIR_Condition_format, MIR_Condition_traits, MIR_DataInt_format, MIR_DataInt_traits, MIR_DataLabel_format, MIR_DataLabel_traits, MIR_Empty_format, MIR_Empty_traits, MIR_Load_format, MIR_Load_traits, MIR_LoadUpdate_format, MIR_LoadUpdate_traits, MIR_LowTableSwitch_format, MIR_LowTableSwitch_traits, MIR_Move_format, MIR_Move_traits, MIR_Nullary_format, MIR_Nullary_traits, MIR_Return_format, MIR_Return_traits, MIR_RotateAndMask_format, MIR_RotateAndMask_traits, MIR_Store_format, MIR_Store_traits, MIR_StoreUpdate_format, MIR_StoreUpdate_traits, MIR_Ternary_format, MIR_Ternary_traits, MIR_Trap_format, MIR_Trap_traits, MIR_Unary_format, MIR_Unary_traits

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
MIR_Condition()

Method Summary

Modifier and Type	Method and Description
static boolean	conforms(Instruction i) InstructionFormat identification method for MIR_Condition.
static boolean	conforms(Operator o) InstructionFormat identification method for MIR_Condition.
static Instruction	create(Operator o, IntConstantOperand ResultBit, IntConstantOperand Value1Bit, IntConstantOperand Value2Bit) Create an instruction of the MIR_Condition instruction format.
static IntConstantOperand	getClearResultBit(Instruction i) Get the operand called ResultBit from the argument instruction clearing its instruction pointer.
static IntConstantOperand	getClearValue1Bit(Instruction i) Get the operand called Value1Bit from the argument instruction clearing its instruction pointer.
static IntConstantOperand	getClearValue2Bit(Instruction i) Get the operand called Value2Bit from the argument instruction clearing its instruction pointer.
static IntConstantOperand	getResultBit(Instruction i) Get the operand called ResultBit from the argument instruction.
static IntConstantOperand	getValue1Bit(Instruction i) Get the operand called Value1Bit from the argument instruction.
static IntConstantOperand	getValue2Bit(Instruction i) Get the operand called Value2Bit from the argument instruction.
static boolean	hasResultBit(Instruction i) Does the argument instruction have a non-null operand named ResultBit?
static boolean	hasValue1Bit(Instruction i) Does the argument instruction have a non-null operand named Value1Bit?
static boolean	hasValue2Bit(Instruction i) Does the argument instruction have a non-null operand named Value2Bit?
static int	indexOfResultBit(Instruction i) Return the index of the operand called ResultBit in the argument instruction.
static int	indexOfValue1Bit(Instruction i) Return the index of the operand called Value1Bit in the argument instruction.
static int	indexOfValue2Bit(Instruction i) Return the index of the operand called Value2Bit in the argument instruction.
static Instruction	mutate(Instruction i, Operator o, IntConstantOperand ResultBit, IntConstantOperand Value1Bit, IntConstantOperand Value2Bit) Mutate the argument instruction into an instruction of the MIR_Condition instruction format having the specified operator and operands.
static void	setResultBit(Instruction i, IntConstantOperand ResultBit) Set the operand called ResultBit in the argument instruction to the argument operand.
static void	setValue1Bit(Instruction i, IntConstantOperand Value1Bit) Set the operand called Value1Bit in the argument instruction to the argument operand.
static void	setValue2Bit(Instruction i, IntConstantOperand Value2Bit) Set the operand called Value2Bit 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

MIR_Condition

public MIR_Condition()

Method Detail

conforms

public static boolean conforms(Instruction i)

InstructionFormat identification method for MIR_Condition.

Parameters:

i - an instruction

Returns:

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

conforms

public static boolean conforms(Operator o)

InstructionFormat identification method for MIR_Condition.

Parameters:

o - an instruction

Returns:

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

getResultBit

public static IntConstantOperand getResultBit(Instruction i)

Get the operand called ResultBit 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 ResultBit

getClearResultBit

public static IntConstantOperand getClearResultBit(Instruction i)

Get the operand called ResultBit 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 ResultBit

setResultBit

public static void setResultBit(Instruction i,
                                IntConstantOperand ResultBit)

Set the operand called ResultBit 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

ResultBit - the operand to store

indexOfResultBit

public static int indexOfResultBit(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

the index of the operand called ResultBit in the argument instruction

hasResultBit

public static boolean hasResultBit(Instruction i)

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

Parameters:

i - the instruction to access.

Returns:

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

getValue1Bit

public static IntConstantOperand getValue1Bit(Instruction i)

Get the operand called Value1Bit 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 Value1Bit

getClearValue1Bit

public static IntConstantOperand getClearValue1Bit(Instruction i)

Get the operand called Value1Bit 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 Value1Bit

setValue1Bit

public static void setValue1Bit(Instruction i,
                                IntConstantOperand Value1Bit)

Set the operand called Value1Bit 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

Value1Bit - the operand to store

indexOfValue1Bit

public static int indexOfValue1Bit(Instruction i)

Return the index of the operand called Value1Bit in the argument instruction.

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Value1Bit in the argument instruction

hasValue1Bit

public static boolean hasValue1Bit(Instruction i)

Does the argument instruction have a non-null operand named Value1Bit?

Parameters:

i - the instruction to access.

Returns:

true if the instruction has an non-null operand named Value1Bit or false if it does not.

getValue2Bit

public static IntConstantOperand getValue2Bit(Instruction i)

Get the operand called Value2Bit 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 Value2Bit

getClearValue2Bit

public static IntConstantOperand getClearValue2Bit(Instruction i)

Get the operand called Value2Bit 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 Value2Bit

setValue2Bit

public static void setValue2Bit(Instruction i,
                                IntConstantOperand Value2Bit)

Set the operand called Value2Bit 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

Value2Bit - the operand to store

indexOfValue2Bit

public static int indexOfValue2Bit(Instruction i)

Return the index of the operand called Value2Bit in the argument instruction.

Parameters:

i - the instruction to access.

Returns:

the index of the operand called Value2Bit in the argument instruction

hasValue2Bit

public static boolean hasValue2Bit(Instruction i)

Does the argument instruction have a non-null operand named Value2Bit?

Parameters:

i - the instruction to access.

Returns:

true if the instruction has an non-null operand named Value2Bit or false if it does not.

create

public static Instruction create(Operator o,
                                 IntConstantOperand ResultBit,
                                 IntConstantOperand Value1Bit,
                                 IntConstantOperand Value2Bit)

Create an instruction of the MIR_Condition instruction format.

Parameters:

o - the instruction's operator

ResultBit - the instruction's ResultBit operand

Value1Bit - the instruction's Value1Bit operand

Value2Bit - the instruction's Value2Bit operand

Returns:

the newly created MIR_Condition instruction

mutate

public static Instruction mutate(Instruction i,
                                 Operator o,
                                 IntConstantOperand ResultBit,
                                 IntConstantOperand Value1Bit,
                                 IntConstantOperand Value2Bit)

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

Parameters:

i - the instruction to mutate

o - the instruction's operator

ResultBit - the instruction's ResultBit operand

Value1Bit - the instruction's Value1Bit operand

Value2Bit - the instruction's Value2Bit operand

Returns:

the mutated instruction