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org.jikesrvm.compilers.opt.ir
Class GetField

java.lang.Object
  extended by org.jikesrvm.compilers.opt.ir.InstructionFormat
      extended by org.jikesrvm.compilers.opt.ir.GetField

public final class GetField
extends InstructionFormat

The GetField 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, MIR_BinaryAcc_format, MIR_BinaryAcc_traits, MIR_Branch_format, MIR_Branch_traits, MIR_CacheOp_format, MIR_CacheOp_traits, MIR_Call_format, MIR_Call_traits, MIR_CaseLabel_format, MIR_CaseLabel_traits, MIR_Compare_format, MIR_Compare_traits, MIR_CompareExchange_format, MIR_CompareExchange_traits, MIR_CompareExchange8B_format, MIR_CompareExchange8B_traits, MIR_CondBranch_format, MIR_CondBranch_traits, MIR_CondBranch2_format, MIR_CondBranch2_traits, MIR_CondMove_format, MIR_CondMove_traits, MIR_ConvertDW2QW_format, MIR_ConvertDW2QW_traits, MIR_Divide_format, MIR_Divide_traits, MIR_DoubleShift_format, MIR_DoubleShift_traits, MIR_Empty_format, MIR_Empty_traits, MIR_FSave_format, MIR_FSave_traits, MIR_Lea_format, MIR_Lea_traits, MIR_LowTableSwitch_format, MIR_LowTableSwitch_traits, MIR_Move_format, MIR_Move_traits, MIR_Multiply_format, MIR_Multiply_traits, MIR_Nullary_format, MIR_Nullary_traits, MIR_RDTSC_format, MIR_RDTSC_traits, MIR_Return_format, MIR_Return_traits, MIR_Set_format, MIR_Set_traits, MIR_Test_format, MIR_Test_traits, MIR_Trap_format, MIR_Trap_traits, MIR_TrapIf_format, MIR_TrapIf_traits, MIR_Unary_format, MIR_Unary_traits, MIR_UnaryAcc_format, MIR_UnaryAcc_traits, MIR_UnaryNoRes_format, MIR_UnaryNoRes_traits, MIR_XChng_format, MIR_XChng_traits, 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
GetField()
           
 
Method Summary
static boolean conforms(Instruction i)
          InstructionFormat identification method for GetField.
static boolean conforms(Operator o)
          InstructionFormat identification method for GetField.
static Instruction create(Operator o, RegisterOperand Result, Operand Ref, Operand Offset, LocationOperand Location, Operand Guard)
          Create an instruction of the GetField instruction format.
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 getClearOffset(Instruction i)
          Get the operand called Offset from the argument instruction clearing its instruction pointer.
static Operand getClearRef(Instruction i)
          Get the operand called Ref 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 getOffset(Instruction i)
          Get the operand called Offset from the argument instruction.
static Operand getRef(Instruction i)
          Get the operand called Ref from the argument instruction.
static RegisterOperand getResult(Instruction i)
          Get the operand called Result from the argument instruction.
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 hasOffset(Instruction i)
          Does the argument instruction have a non-null operand named Offset?
static boolean hasRef(Instruction i)
          Does the argument instruction have a non-null operand named Ref?
static boolean hasResult(Instruction i)
          Does the argument instruction have a non-null operand named Result?
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 indexOfOffset(Instruction i)
          Return the index of the operand called Offset in the argument instruction.
static int indexOfRef(Instruction i)
          Return the index of the operand called Ref 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 Ref, Operand Offset, LocationOperand Location, Operand Guard)
          Mutate the argument instruction into an instruction of the GetField instruction format having the specified operator and operands.
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 setOffset(Instruction i, Operand Offset)
          Set the operand called Offset in the argument instruction to the argument operand.
static void setRef(Instruction i, Operand Ref)
          Set the operand called Ref 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

GetField

public GetField()
Method Detail

conforms

public static boolean conforms(Instruction i)
InstructionFormat identification method for GetField.

Parameters:
i - an instruction
Returns:
true if the InstructionFormat of the argument instruction is GetField or false if it is not.

conforms

public static boolean conforms(Operator o)
InstructionFormat identification method for GetField.

Parameters:
o - an instruction
Returns:
true if the InstructionFormat of the argument operator is GetField 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.

getRef

public static Operand getRef(Instruction i)
Get the operand called Ref 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 Ref

getClearRef

public static Operand getClearRef(Instruction i)
Get the operand called Ref 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 Ref

setRef

public static void setRef(Instruction i,
                          Operand Ref)
Set the operand called Ref 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
Ref - the operand to store

indexOfRef

public static int indexOfRef(Instruction i)
Return the index of the operand called Ref in the argument instruction.

Parameters:
i - the instruction to access.
Returns:
the index of the operand called Ref in the argument instruction

hasRef

public static boolean hasRef(Instruction i)
Does the argument instruction have a non-null operand named Ref?

Parameters:
i - the instruction to access.
Returns:
true if the instruction has an non-null operand named Ref 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.

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 Ref,
                                 Operand Offset,
                                 LocationOperand Location,
                                 Operand Guard)
Create an instruction of the GetField instruction format.

Parameters:
o - the instruction's operator
Result - the instruction's Result operand
Ref - the instruction's Ref operand
Offset - the instruction's Offset operand
Location - the instruction's Location operand
Guard - the instruction's Guard operand
Returns:
the newly created GetField instruction

mutate

public static Instruction mutate(Instruction i,
                                 Operator o,
                                 RegisterOperand Result,
                                 Operand Ref,
                                 Operand Offset,
                                 LocationOperand Location,
                                 Operand Guard)
Mutate the argument instruction into an instruction of the GetField 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
Ref - the instruction's Ref operand
Offset - the instruction's Offset operand
Location - the instruction's Location operand
Guard - the instruction's Guard operand
Returns:
the mutated instruction
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