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org.jikesrvm.compilers.opt.ir
Class MIR_Set

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

public final class MIR_Set
extends InstructionFormat

The MIR_Set 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
MIR_Set()
           
 
Method Summary
static boolean conforms(Instruction i)
          InstructionFormat identification method for MIR_Set.
static boolean conforms(Operator o)
          InstructionFormat identification method for MIR_Set.
static Instruction create(Operator o, Operand Result, IA32ConditionOperand Cond)
          Create an instruction of the MIR_Set instruction format.
static IA32ConditionOperand getClearCond(Instruction i)
          Get the operand called Cond from the argument instruction clearing its instruction pointer.
static Operand getClearResult(Instruction i)
          Get the operand called Result from the argument instruction clearing its instruction pointer.
static IA32ConditionOperand getCond(Instruction i)
          Get the operand called Cond from the argument instruction.
static Operand getResult(Instruction i)
          Get the operand called Result from the argument instruction.
static boolean hasCond(Instruction i)
          Does the argument instruction have a non-null operand named Cond?
static boolean hasResult(Instruction i)
          Does the argument instruction have a non-null operand named Result?
static int indexOfCond(Instruction i)
          Return the index of the operand called Cond 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, Operand Result, IA32ConditionOperand Cond)
          Mutate the argument instruction into an instruction of the MIR_Set instruction format having the specified operator and operands.
static void setCond(Instruction i, IA32ConditionOperand Cond)
          Set the operand called Cond in the argument instruction to the argument operand.
static void setResult(Instruction i, Operand 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

MIR_Set

public MIR_Set()
Method Detail

conforms

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

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

conforms

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

Parameters:
o - an instruction
Returns:
true if the InstructionFormat of the argument operator is MIR_Set or false if it is not.

getResult

public static Operand 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 Operand 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,
                             Operand 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.

getCond

public static IA32ConditionOperand getCond(Instruction i)
Get the operand called Cond 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 Cond

getClearCond

public static IA32ConditionOperand getClearCond(Instruction i)
Get the operand called Cond 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 Cond

setCond

public static void setCond(Instruction i,
                           IA32ConditionOperand Cond)
Set the operand called Cond 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
Cond - the operand to store

indexOfCond

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

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

hasCond

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

Parameters:
i - the instruction to access.
Returns:
true if the instruction has an non-null operand named Cond or false if it does not.

create

public static Instruction create(Operator o,
                                 Operand Result,
                                 IA32ConditionOperand Cond)
Create an instruction of the MIR_Set instruction format.

Parameters:
o - the instruction's operator
Result - the instruction's Result operand
Cond - the instruction's Cond operand
Returns:
the newly created MIR_Set instruction

mutate

public static Instruction mutate(Instruction i,
                                 Operator o,
                                 Operand Result,
                                 IA32ConditionOperand Cond)
Mutate the argument instruction into an instruction of the MIR_Set 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
Cond - the instruction's Cond operand
Returns:
the mutated instruction
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